maska

maska

A patterned screen of any of several materials used to expose selected areas of a semiconductor covered with a light-sensitive photoresist to polymerizing light during the fabrication process.

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Bransch/domän: Semiconductors
Category: Semiconductor quality
Company: National Semiconductor
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ambu balon i maska

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A piece of equipment consisting of a rubber bag and face mask which, when squeezed by hand, fills the lungs with oxygen and assists breathing.

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A portion of the die where impurities have been diffused into the surface of the silicon at high temperature to change its electrical characteristics through the creation of a ...

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Semiconductors; Semiconductor quality

An impurity that can make a semiconductor P-type by accepting valence electrons, thereby leaving "holes" in the valence band of the semiconductor device. The holes act like ...

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The step in the fabrication process immediately following evaporation. This process alloys the conductive metal which had been deposited on the die surface to that surface, thus ...

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Semiconductors; Semiconductor quality

Helium nuclei emitted as a result of the radioactive decay of trace amounts of naturally occurring uranium and thorium found in semiconductor packaging materials. Alpha particles, ...

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Semiconductors; Semiconductor quality

A microcircuit in which the output is a mathematical function of the input.

rasprašenje

Semiconductors; Semiconductor quality

A method of producing thin films by freeing molecules from a solid source through ionic bombardment in order to deposit them on a nearby surface.

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rakovice

Rakovice su rakovi čiji je smanjen želuda potpuno skriven u prsnoj šupljini i pokriven debelim vanjskim kosturom, a imaju jedan par kliješta. Rakovice ...