high-power density

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• High Power Impulse Magnetron Sputtering — (HIPIMS, also known as High Impact Power Magnetron Sputtering and High Power Pulsed Magnetron Sputtering, HPPMS) is a method for physical vapor deposition of thin films which is based on magnetron sputter deposition. HIPIMS utilises extremely… …   Wikipedia

• High Power Electric Propulsion — (HiPEP) is a variation of ion thruster. It was ground tested in 2003 by NASA and intended for use on the Jupiter Icy Moons Orbiter, which was canceled in 2005. Theory The HiPEP thruster differs from earlier ion thrusters because the xenon ions… …   Wikipedia

• Power semiconductor device — Power semiconductor devices are semiconductor devices used as switches or rectifiers in power electronic circuits (switch mode power supplies for example). They are also called power devices or when used in integrated circuits, called power… …   Wikipedia

• Power electronic substrate — The role of the substrate in power electronics is to provide the interconnections to form an electric circuit (like a printed circuit board), and to cool the components. Compared to materials and techniques used in lower power microelectronics,… …   Wikipedia

• High Frequency Active Auroral Research Program — HAARP is often confused with Project HARP, the High Altitude Research Project (a joint project of The Pentagon and the Canadian Department of National Defence).The High Frequency Active Auroral Research Program (HAARP) is an investigation project …   Wikipedia

• High-intensity focused ultrasound — Contents 1 Theory 2 Aiming 3 How HIFU works 4 Method of use …   Wikipedia

• High-speed rail — is a type of passenger rail transport that operates significantly faster than the normal speed of rail traffic. Specific definitions include 200 km/h (124 mph) and faster depending on whether the track is upgraded or new by the European Union,… …   Wikipedia

• Power Architecture — is a broad term to describe similar instruction sets for RISC microprocessors developed and manufactured by such companies as IBM, Freescale, AMCC, Tundra and P.A. Semi. The governing body is Power.org, comprising over 40 companies and… …   Wikipedia

• Density altitude — Computation Chart. Density altitude is the altitude in the International Standard Atmosphere at which the air density would be equal to the actual air density at the place of observation, or, in other words, the height when measured in terms of… …   Wikipedia

• High-density lipoprotein — High density lipoproteins (HDL) is one of the 5 major groups of lipoproteins (chylomicrons, VLDL, IDL, LDL, HDL) which enable lipids like cholesterol and triglycerides to be transported within the water based blood stream. In healthy individuals …   Wikipedia

• Auxiliary power unit — An auxiliary power unit (APU) is a device on a vehicle whose purpose is to provide energy for functions other than propulsion. Different types of APU are found on aircraft, as well as on some large ground vehicles.AircraftFunctions of APU The… …   Wikipedia