cavity package

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• Quad-flat no-leads package — 28 pin QFN, upside down to show contacts and thermal/ground pad Flat no leads packages such as QFN (quad flat no leads) and DFN (dual flat no leads) physically and electrically connect integrated circuits to printed circuit boards. Flat no leads …   Wikipedia

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• QFN — A QFN or Quad Flat No leads or a MLF package is an integrated circuit package which falls under Surface mount technology packages used on printed circuit boards. This kind of package is similar to the Quad Flat Package, but the leads do not… …   Wikipedia

• Blister pack — is a term for several types of pre formed plastic packaging used for small consumer goods.The two primary components of a blister pack are a pre formed plastic blister and a printed paperboard card which has a heat seal coating. Some packs use a… …   Wikipedia

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• Common Tunnel — Grønland Station Overview Type Rapid transit …   Wikipedia

• Laser diode — Top: a packaged laser diode shown with a penny for scale. Bottom: the laser diode chip is removed from the above package and placed on the eye of a needle for scale …   Wikipedia

• digestive system, human — Introduction  the system used in the human body for the process of digestion. The human digestive system consists primarily of the digestive tract (alimentary canal), or the series of structures and organs through which food and liquids pass… …   Universalium

• Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… …   Wikipedia

• Betel — For the mixture of leaf and nut, see Paan. For the biblical place, see Bethel. Betel Scientific classification Kingdom: Plan …   Wikipedia