alfa čestica

alfa čestica

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, if not properly controlled, can cause soft errors in dynamic memories.

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行业/领域：半导体
类别半导体质量
Company: National Semiconductor
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alfa-čestica

天文学; 普通天文学

1) Nucleus formed by the α-process (q.v.) (see even-even nuclei.) 2) Particle first discovered in radioactive α decay, and later identified as helium nuclei (two protons and two ...

alfa-čestica

化学; 普通化学

Čestica koju obično izbacuju radioaktivne jezgre, a sastoji se od dva protona i dva neutrona. Alfa-čestice su jezgre helija. Alfa-čestice imaju masu od 6.644 655 98 × 10-27 kg ili ...

čestica

制药; 医疗设备;

a tiny mass of material.

čestica

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Particulates, alternatively referred to as particulate matter (PM) or fine particles, are tiny particles of solid or liquid suspended in a gas.

difuzno područje

半导体; 半导体质量

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 ...

primalac

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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 ...

legiranje

半导体; 半导体质量

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 ...

analogni uređaj

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

rasprašenje

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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.

arhitektura

半导体; 半导体质量

The functional design of a complex component, circuit or system, including both its hardware and its compatibility with external hardware and software.

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