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1 surface barrier junction
Англо-русский металлургический словарь > surface barrier junction
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2 surface barrier junction
1) Металлургия: поверхностно-барьерный переход2) Солнечная энергия: переход с поверхностным барьеромУниверсальный англо-русский словарь > surface barrier junction
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3 surface-barrier junction
Техника: поверхностно-барьерный переходУниверсальный англо-русский словарь > surface-barrier junction
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4 surface-barrier junction
Engineering: SBJУниверсальный русско-английский словарь > surface-barrier junction
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5 surface barrier junction
изч.• повърхностно-бариерен преходEnglish-Bulgarian polytechnical dictionary > surface barrier junction
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6 surface barrier junction
English-Russian solar energy dictionary > surface barrier junction
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7 surface-barrier transistor
English-Russian big polytechnic dictionary > surface-barrier transistor
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8 surface barrier transistor
The English-Russian dictionary general scientific > surface barrier transistor
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9 junction
= jc1) соединение ( процесс); сочленение ( процесс); стыкование, стыковка; приведение в контакт; контактирование2) соединение; сочленение; стык; контакт; место контакта; граница3) пп фтт переход; область перехода ( между разнородными материалами)4) разветвление ( волноводов)5) узел ( электрической цепи)•- alloy junction
- alloyed junction
- aperture-coupled junction
- backward-baised p-njunction
- bead junction
- blooming inhibitor junction
- boron junction
- boron-diffused junction
- bottom gate junction
- circular junction
- closely-coupled junctions
- cold junction
- collector junction
- collector-to-base junction
- conversion junction
- cylindrical p-n junction
- degenerate junction
- deposited junction
- DH junction
- diffused junction
- distributed tunnel junction
- doped junction
- double-doped junction
- double-heterostructure junction
- drain junction
- E-H T-junction
- electrochemical junction
- electron-switched p-n junction
- electron-beam switched p-n junction
- emitter junction
- emitter-to-base junction
- emitting p-n junction
- epitaxial junction
- epitaxially grown junction
- E-plane T-junction
- Esaki junction
- exponential junction
- exponentially graded junction
- field-limiting junction
- flat junction
- floating junction
- formed junction
- forward-biased p-n junction
- fused junction
- fusion junction
- gate junction
- gate-channel junction
- gate-to-channel junction
- gate-drain junction
- gate-to-drain junction
- gate-source junction
- gate-to-source junction
- graded junction
- gradient junction
- graph junction
- grown junction
- grown-diffused junction
- heterogeneous junction
- high-voltage junction
- homogeneous junction
- horizontal junction
- hot junction
- H-plane T-junction
- hybrid junction
- hybrid ring junction
- hyperabrupt junction
- hysteretic Josephson junction
- ideal junction
- implanted junction
- interacting p-n junctions
- ion-bombardment junction
- ion-implanted junction
- isolation junction
- isolation-substrate junction
- Josephson junction
- laser p-n junction
- light-emitting p-n junction
- linear junction
- linearly graded junction
- low-voltage junction
- magic T-junction
- magnetic tunnel junction
- matched junction
- mesa junction
- metallurgical junction
- metal-semiconductor junction
- metal-to-semiconductor junction
- microalloy junction
- microalloyed junction
- multiplying junction
- narrow-base junction
- n-I junction
- n-n junction
- nonhysteretic Josephson junction
- nonreciprocal junction
- nonrectifying junction
- nonsymmetrical junction
- nonuniform junction
- normal metal-barrier-superconductor junction
- n-p junction
- ohmic junction
- one-sided junction
- oxide-barrier tunnel junction
- oxide-gap Josephson junction
- phase slip junction
- phosphorus junction
- phosphorus-diffused junction
- p-i-n junction
- planar junction
- plane junction
- plane cylindrical junction
- plane parallel junction
- p-n junction
- point junction
- point-contact junction
- post-alloy diffused junction
- p-p junction
- pulled junction
- rate-grown junction
- reciprocal junction
- recrystallized junction
- rectifier junction
- rectifying junction
- remelt junction
- resistance junction
- resistor-isolation junction
- resistor-substrate junction
- reverse-biased junction
- ring junction
- Schottky barrier junction
- sealed junction
- segregation junction
- semiconductor junction
- semiconductor-barrier superconductor junction
- semiconductor-barrier sandwich superconductor junction>
- series T-junction
- shallow junction
- shunted junction
- shunted Josephson junction
- shunt T-junction
- SNS junction
- solder junction
- solder blob junction
- source junction
- spin-dependent tunnel junction
- spherical p-n junction
- step junction
- substrate junction
- superconducting junction
- superconducting weak-link junction
- superconductor-normal metal-superconductor junction
- superconductor-oxide-superconductor tunnel-junction
- surface junction
- symmetrical junction
- T-junction
- tapered-ridge junction
- tee junction
- thermoelectric junction
- thin junction
- through-diffused junction
- top gate junction
- tunnel junction
- tunneling junction
- two-sided junction
- unbiased junction
- unshunted Josephson junction
- vapor-deposited junction
- vertical junction
- waveguide junction
- weld junction
- welded junction
- wide junction
- wye junction
- Y-junction -
10 junction
1) соединение ( процесс); сочленение ( процесс); стыкование, стыковка; приведение в контакт; контактирование2) соединение; сочленение; стык; контакт; место контакта; граница3) тлв.; фтт. переход; область перехода ( между разнородными материалами)4) разветвление ( волноводов)5) узел ( электрической цепи)•- alloy junction
- alloyed junction
- aperture-coupled junction
- backward-biased p-n junction
- bead junction
- blooming inhibitor junction
- boron junction
- boron-diffused junction
- bottom gate junction
- circular junction
- closely-coupled junctions
- cold junction
- collector junction
- collector-to-base junction
- conversion junction
- cylindrical p-n junction
- degenerate junction
- deposited junction
- DH junction
- diffused junction
- distributed tunnel junction
- doped junction
- double-doped junction
- double-heterostructure junction
- drain junction
- E-H T junction-
- electrochemical junction
- electron switched p-n junction
- electron-beam switched p-n junction
- emitter junction
- emitter-to-base junction
- emitting p-n junction
- epitaxial junction
- epitaxially grown junction
- E-plane T-junction
- Esaki junction
- exponential junction
- exponentially graded junction
- field-limiting junction
- flat junction
- floating junction
- formed junction
- forward-biased p-n junction
- fused junction
- fusion junction
- gate junction
- gate-channel junction
- gate-drain junction
- gate-source junction
- gate-to-channel junction
- gate-to-drain junction
- gate-to-source junction
- graded junction
- gradient junction
- graph junction
- grown junction
- grown-diffused junction
- heterogeneous junction
- high-voltage junction
- homogeneous junction
- horizontal junction
- hot junction
- H-plane T-junction
- hybrid junction
- hybrid ring junction
- hyperabrupt junction
- hysteretic Josephson junction
- ideal junction
- implanted junction
- interacting p-n junctions
- ion-bombardment junction
- ion-implanted junction
- isolation junction
- isolation-substrate junction
- Josephson junction
- laser p-n junction
- light-emitting p-n junction
- linear junction
- linearly graded junction
- low-voltage junction
- magic T junction
- magnetic tunnel junction
- matched junction
- mesa junction
- metallurgical junction
- metal-semiconductor junction
- metal-to-semiconductor junction
- microalloy junction
- microalloyed junction
- multiplying junction
- narrow-base junction
- n-i junction
- n-n junction
- nonhysteretic Josephson junction
- nonreciprocal junction
- nonrectifying junction
- nonsymmetrical junction
- nonuniform junction
- normal metal-barrier-superconductor junction
- n-p junction
- ohmic junction
- one-sided junction
- oxide-barrier tunnel junction
- oxide-gap Josephson junction
- phase slip junction
- phosphorus junction
- phosphorus-diffused junction
- p-i-n junction
- planar junction
- plane cylindrical junction
- plane junction
- plane parallel junction
- p-n junction
- point junction
- point-contact junction
- post-alloy diffused junction
- p-p-junction
- pulled junction
- rate-grown junction
- reciprocal junction
- recrystallized junction
- rectifier junction
- rectifying junction
- remelt junction
- resistance junction
- resistor-isolation junction
- resistor-substrate junction
- reverse-biased junction
- ring junction
- Schottky barrier junction
- sealed junction
- segregation junction
- semiconductor junction
- semiconductor-barrier sandwich superconductor junction
- semiconductor-barrier superconductor junction
- series T-junction
- shallow junction
- shunt T-junction
- shunted Josephson junction
- shunted junction
- SNS junction
- solder blob junction
- solder junction
- source junction
- spherical p-n junction
- spin-dependent tunnel junction
- step junction
- substrate junction
- superconducting junction
- superconducting weak-link junction
- superconductor-normal metal-superconductor junction
- superconductor-oxide-superconductor tunnel junction
- surface junction
- symmetrical junction
- tapered-ridge junction
- tee junction
- thermoelectric junction
- thin junction
- through-diffused junction
- T-junction
- top gate junction
- tunnel junction
- tunneling junction
- two-sided junction
- unbiased junction
- unshunted Josephson junction
- vapor-deposited junction
- vertical junction
- waveguide junction
- weld junction
- weld-ed junction
- wide junction
- wye junction
- Y-junctionThe New English-Russian Dictionary of Radio-electronics > junction
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11 junction
1) соединение2) сочленение3) стык; спай4) пересечение, скрещение, скрещивание (напр. дорог, путей)5) хим. перенос7) точка разветвления; узел (напр. электрической цепи)8) разветвление ( волноводов)9) p-n-переход•-
abrupt junction
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active junction
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alloyed junction
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alloy junction
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asymmetric junction
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attractive junction
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avalanching junction
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backward-biased junction
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back-biased junction
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barrier junction
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base-emitter junction
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biaxial hybrid junction
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blocking junction
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bolt-on junction
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boundary Josephson junction
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cable junction
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canal junction
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cold junction
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collector-to-base junction
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collector junction
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conecylindrical shell junction
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conversion junction
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degenerate junction
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diffused junction
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doped junction
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double-beveled junction
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double-doped junction
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drain junction
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electrochemical junction
-
electron-beam addressed junction
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electron-hole junction
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emitter-to-base junction
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emitter junction
-
emitting p-n junction
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epitaxial junction
-
Esaki junction
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face junction
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flat junction
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floating junction
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flying junction
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fly-over junction
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forward-biased junction
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fused junction
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gate junction
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gate-to-channel junction
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gate-channel junction
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gate-to-drain junction
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gate-drain junction
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gate-to-source junction
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gate-source junction
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graded junction
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graph junction
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grown junction
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grown-diffused junction
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heterogeneous junction
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high-low junction
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homogeneous junction
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hot junction
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H-plane tee junction
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hybrid junction
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injector junction
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inspection junction
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ion-bombardment junction
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isolation junction
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isotype junction
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Josephson junction
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junction of channels
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laser junction
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laser processed junction
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lateral junction
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liquid junction
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low-high junction
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measuring junction
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mesa junction
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metallurgical junction
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metal-semiconductor junction
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multiple junction
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network junction
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n-n junction
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nonrectifying junction
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n-p junction
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ohmic junction
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oxide charge induced junction
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photoresponsive junction
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photovoltaic junction
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p-i-n junction
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pipe junction
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planar junction
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plug junction
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p-n junction
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radial-to-coaxial line junction
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rail junction
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rate-grown junction
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recrystallized junction
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rectifier junction
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reference junction
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remelt junction
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reverse-biased junction
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road junction
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Schottky barrier junction
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Schottky junction
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sealed junction
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semiconductor junction
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semiconductor-electrolyte junction
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shallow junction
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source junction
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step junction
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surface junction
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T junction
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thermal junction
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through-diffused junction
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transversal junction
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tunneling junction
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tunnel junction
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unbiased junction
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waveguide junction
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wavy junction
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weak-link junctions -
12 barrier
1) барьер; преграда; перегородка; экран2) горн. барьерный (пограничный) целик3) перила4) шлагбаум5) гидр. противофильтрациоиная завеса; диафрагма; ядро; мембрана6) изолирующий цилиндр, изолирующая гильза ( трансформатора)7) электрон. (потенциальный) барьер, переход; p-n-переход; слой ( в полупроводнике)•-
absorbing barrier
-
activation barrier
-
boundary fire barrier
-
chemical barrier
-
compound barrier
-
Coulomb barrier
-
crossing barrier
-
diffusion barrier
-
electron barrier
-
energy barrier
-
explosion suppression barrier
-
fire barrier
-
fish barrier
-
fission barrier
-
flash barrier
-
frit barrier
-
fusion barrier
-
hole barrier
-
hydrogen permeation resistant barrier
-
impervious barrier
-
inherent thermal barrier
-
insulating barrier
-
insulation barrier
-
interface barrier
-
interpanel barrier
-
interphase barrier
-
isolation barrier
-
isomerization barrier
-
Josephson barrier
-
junction barrier
-
language barrier
-
lifting barrier
-
metal-oxide barrier
-
metal-semiconductor barrier
-
Mott barrier
-
natural barrier
-
noise barrier
-
nuclear barrier
-
oxidation barrier
-
panel barrier
-
physical barrier
-
p-n barrier
-
pneumatic ice barrier
-
potential barrier
-
radar barrier
-
radiation barrier
-
recombination barrier
-
reflecting barrier
-
rolling barrier
-
sacrificial barrier
-
Schottky barrier
-
sliding barrier
-
snow barrier
-
species barrier
-
stable barrier
-
stop barrier
-
surface barrier
-
temperature barrier
-
tunneling barrier
-
tunnel barrier
-
vapor-proof barrier
-
vapor barrier
-
wind barrier -
13 barrier
1) (потенциальный) барьер, переход2) переход3) экран; перегородка•- compound barrier
- contact potential barrier
- Coulomb potential barrier
- defensive barrier
- diffusion barrier
- electron barrier
- energy barrier
- granular metal-semiconductor barrier
- hole barrier
- implanted barrier
- insulator barrier
- insulator-semiconductor barrier
- interface barrier
- Josephson barrier
- metal-oxide barrier
- metal-semiconductor barrier
- Mott barrier
- parabolic potential barrier
- pinning barrier
- planar-doped barrier
- p-n junction barrier
- potential barrier
- radar barrier
- recombination barrier
- reflecting barrier
- Schottky barrier
- sonic barrier
- sound barrier
- square potential barrier
- square-topped potential barrier
- surface barrier
- temperature barrier
- thermal barrier
- triangular potential barrier
- tunneling barrier -
14 barrier
1) (потенциальный) барьер, переход2) переход3) экран; перегородка•- compound barrier
- contact potential barrier
- Coulomb potential barrier
- defensive barrier
- diffusion barrier
- electron barrier
- energy barrier
- granular metal-semiconductor barrier
- hole barrier
- implanted barrier
- insulator barrier
- insulator-semiconductor barrier
- interface barrier
- Josephson barrier
- metal-oxide barrier
- metal-semiconductor barrier
- Mott barrier
- parabolic potential barrier
- pinning barrier
- planar-doped barrier
- p-n junction barrier
- potential barrier
- radar barrier
- recombination barrier
- reflecting barrier
- Schottky barrier
- sonic barrier
- sound barrier
- square potential barrier
- square-topped potential barrier
- surface barrier
- temperature barrier
- thermal barrier
- triangular potential barrier
- tunneling barrierThe New English-Russian Dictionary of Radio-electronics > barrier
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15 SBJ
surface-barrier junction - поверхностно-барьерный переход -
16 поверхностно-барьерный переход
1) Engineering: surface-barrier junction2) Metallurgy: surface barrier junctionУниверсальный русско-английский словарь > поверхностно-барьерный переход
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17 повърхностно-бариерен преход
изч.surface barrier junctionизч.surface barrier junctionsБългарски-Angleščina политехнически речник > повърхностно-бариерен преход
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18 SBJ
1) Техника: Stem Ball Joint, surface-barrier junction2) Грубое выражение: Supreme Blow Jobs3) Сокращение: Space-Based Jammer4) СМИ: Springfield Business Journal -
19 переход с поверхностным барьером
Solar energy: surface barrier junctionУниверсальный русско-английский словарь > переход с поверхностным барьером
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20 diode
1) диод•- absorber diode
- ac heated diode
- adjustable diode
- alloy diode
- alloyed-junction diode
- antireflective coated diode
- antireflective coated laser diode
- apertured diode
- avalanche diode
- avalanche breakdown diode
- avalanche injection diode
- avalanche-oscillator diode
- avalanche photosensitive diode
- avalanche transit-time diode
- back diode
- back-biased diode
- back-to-back diodes
- backward diode
- BARITT diode
- barrier diode - beam-lead diode
- bidirectional diode
- bidirectional breakdown diode
- blooming inhibitor diode
- blue light-emitting diode
- Boff diode
- bonded diode
- booster diode
- breakdown diode
- bulk diode
- bulk-barrier diode
- bulk NC diode
- bulk negative conductivity diode
- bypass diode
- catching diode
- CATT diode
- catwhisker diode
- centering diode
- ceramic package diode
- charge-storage diode
- charging diode
- chip diode
- circular laser diode
- clamping diode
- clipper diode
- coaxial diode
- cold-cathode gas diode
- collector diode
- collector-junction diode
- commutating diode
- complementary diodes
- conductivity modulated diode
- constant-current diode
- contact diode
- controlled avalanche-transit-time diode
- crystal diode
- current-regulator diode
- cylindrical diode
- damper diode
- damping diode
- dc clamp diode
- dc restorer diode
- DDR diode
- deep diode
- degenerate tunnel diode
- demodulator diode
- detector diode
- dielectric diode
- diffused diode
- diffused p-n junction diode
- discharge diode
- discrete diode
- distributed diode
- double diode
- double-base diode
- double-base junction diode
- double-diffused diode
- double-drift diode
- double-drift-region diode
- double-epitaxial diode
- double-glass seal diode
- double-injection diode
- double-saturation diode - drain diode
- drift diode
- dual diode
- dummy diode
- EBS diode
- efficiency diode
- EL diode
- electrochemical diode
- electroluminescent diode
- electron-beam semiconductor diode
- electron-bombarded semiconductor diode
- emitter diode
- emitter-junction diode
- epitaxial diode
- equivalent diode
- Esaki tunnel diode
- evaporated thin-film diode
- fast diode
- fast-recovery diode
- field-effect diode
- flangeless package diode
- flexible-lead diode - forward-biased diode
- four-layer diode
- four-region diode
- fuse diode
- gallium arsenide diode
- gallium phosphide diode
- gas diode
- gas-filled diode
- gate-controlled diode
- gate-to-channel diode
- gate-triggered diode
- gating diode
- germanium diode
- glass diode
- glass-ambient diode
- glass-sealed diode
- gold-bonded diode
- graded-junction diode
- green emitting diode
- grid-cathode diode
- grown diode
- grown-junction diode
- guard-ring diode
- Gunn diode
- Gunn-effect diode
- hard-lead diode
- heavily doped diode
- heterojunction diode - high-current diode
- high-power diode
- high-pressure gas diode
- high-pressure gas-filled diode
- high-radiance electroluminescent diode
- hold-off diode
- honeycomb diode
- hot-carrier diode
- hot-cathode gas diode
- hot-cathode gas-filled diode
- hot-cathode X-ray diode
- hot-electron diode
- hot-hole diode
- ideal noise diode
- impact avalanche transit-time diode
- impact ionization avalanche transit-time diode
- IMPATT diode
- infrared diode
- infrared-emitting diode - integrated diode
- intrinsic-barrier diode
- inversed diode
- inverted mesa diode
- ion-implanted planar mesa diode
- I2-PLASA diode
- isolating diode
- isolation diode
- isolation-substrate junction diode
- junction diode
- junction-type diode
- lambda diode
- laminar diode
- laser diode
- lasing diode - lightly doped diode
- light-proof package diode
- limited space-charge accumulation diode
- limiter diode
- limiting-velocity diode
- logarithmic diode
- long-base diode
- low-barrier diode - low-voltage diode
- LSA diode
- luminescent diode
- magnetic diode
- majority-carrier diode
- matched diodes
- mesa diode
- mesa-type diode
- metal-film semiconductor diode
- metal package diode
- metal-semiconductor diode
- metal-semiconductor barrier diode
- microglass diode
- microplasma-free diode
- microwave diode
- Miller-Ebers diode
- MIM diode
- minority-carrier diode
- MIS diode
- Misawa diode
- mixer diode
- mm-wave diode
- MNS diode
- Moll diode
- MOM diode
- monolithic diode
- MOS diode
- Mott diode
- MSM diode
- multicurrent-range diode
- multielement diode
- narrow-base diode
- negative-resistance diode - nonlinear capacitance diode
- optical diode - overcritically doped diode
- packaged diode
- packageless diode
- parallel emitter-collector junction diode
- parametric diode
- passivated metal-semiconductor diode
- phosphor-coated electroluminescent diode
- photoemissive diode
- photomixer diode
- photoparametric diode
- photosensitive diode
- pick-off diode
- pill diode
- p-i-n diode
- pinhead diode
- planar diode
- planar-doped barrier diode
- planar epitaxial passivated diode
- plasma diode
- plastic-encapsulated diode
- pneumatic diode
- p-n junction diode
- point diode
- point-contact diode
- point-junction diode
- pressure-sensitive diode
- p-semi-insulating-n diode
- pulse diode
- punch-through diode
- quenched-domain Gunn diode
- reactance diode
- Read diode
- rectifier diode
- red light-emitting diode
- reference diode
- refrigerated diode
- retarded field diode
- reverse-biased diode
- reverse-polarity silicon diode
- Riesz diode
- Riesz-type diode
- saturated diode
- Schottky diode
- Schottky-barrier diode
- Schottky power diode
- Schottky-Read diode
- SCL diode
- SDR diode
- sealed diode
- semiconducting glass diode
- semiconductor diode
- shallow diode
- Shockley diode
- short-base diode
- side-emitting laser diode
- silicon diode
- silicon-on-sapphire diode
- silver-bonded diode
- single-drift diode
- single-drift-region diode
- single-injection diode
- smoke-emitting diode
- snap-action diode
- snapback diode
- snap-off diode
- solion diode
- solion liquid diode
- SOS diode
- space-charge-limited diode - subtransit-time IMPATT diode
- superconducting diode
- superluminescent diode
- surface-barrier diode
- surface-emitting laser diode
- surface-passivated diode
- switching diode
- temperature-compensated Zener diode
- thermionic diode
- thick-film diode
- thin-film diode
- transferred-electron diode
- transit-time microwave diode - triple diode
- tube diode
- tunnel diode
- tunnel-emission diode
- twin diode
- two-base diode
- ultrafast-recovery diode
- uniformly avalanching diode
- uniplanar diode
- unitunnel diode
- vacuum diode
- vacuum-deposited diode
- varactor diode - vertical-cavity laser diode
- visible light-emitting diode
- voltage-reference diode
- voltage-regulator diode
- voltage variable-capacitance diode
- waveguide diode
- welded-junction diode
- whisker diode
- wide-base diode
- yellow emitting diode
- Zener diode
- Zener breakdown diode
См. также в других словарях:
surface barrier junction — paviršinė barjerinė sandūra statusas T sritis fizika atitikmenys: angl. surface barrier junction vok. Oberflächenrandschichtübergang, m; Randschichtübergang, m rus. поверхностно барьерный переход, m pranc. jonction à barrière de surface, f … Fizikos terminų žodynas
Surface-barrier transistor — The surface barrier transistor is a type of transistor developed by Philco in 1953 as an improvement to the alloy junction transistor and the earlier point contact transistor. Like the modern schottky transistor, it offered much higher speed than … Wikipedia
jonction à barrière de surface — paviršinė barjerinė sandūra statusas T sritis fizika atitikmenys: angl. surface barrier junction vok. Oberflächenrandschichtübergang, m; Randschichtübergang, m rus. поверхностно барьерный переход, m pranc. jonction à barrière de surface, f … Fizikos terminų žodynas
Bipolar junction transistor — BJT redirects here. For the Japanese language proficiency test, see Business Japanese Proficiency Test. PNP … Wikipedia
p-n junction — A silicon p–n junction with no applied voltage. A p–n junction is formed at the boundary between a P type and N type semiconductor created in a single crystal of semiconductor by doping, for example by ion implantation, diffusion of dopants, or… … Wikipedia
Alloy-junction transistor — The germanium alloy junction transistor, or alloy transistor, was an early type of bipolar junction transistor, developed at General Electric and RCA in 1951 as an improvement over the earlier grown junction transistor. The usual construction of… … Wikipedia
Tight junction — Diagram of Tight junction Latin junctio occludens Code TH … Wikipedia
Metal-semiconductor junction — is a type of junction in which a metal comes in close contact with a semiconductor material. Similar to a p n junction, it has rectifying properties. History The rectification property of metal semiconductor contacts was discovered by Ferdinand… … Wikipedia
Metal–semiconductor junction — In solid state physics, a metal–semiconductor junction is a type of junction in which a metal comes in close contact with a semiconductor material. Similar to a p n junction, it has rectifying properties. History The rectification property of… … Wikipedia
P-n junction — A p n junction is a junction formed by combining P type and N type semiconductors together in very close contact. The term junction refers to the region where the two regions of the semiconductor meet. It can be thought of as the border region… … Wikipedia
Blood-brain barrier — The blood brain barrier (BBB) is a metabolic or cellular structure in the central nervous system (CNS) that restricts the passage of various chemical substances and microscopic objects (e.g. bacteria) between the bloodstream and the neural tissue … Wikipedia