PROCESS OF MANUFACTURE OF SEMICONDUCTOR COMPONENTS OF SHF HIGH-POWER TRANSISTOR MICROASSEMBLIES Russian patent published in 1994 - IPC

Abstract RU 2017271 C1

FIELD: semiconductor devices. SUBSTANCE: process of manufacture involves formation of active regions of component with local insulating layers of dielectric on silicon plate, creation of two-layer dielectric of silicon dioxide and silicon nitride, opening of windows in two-layer dielectric for contacts, formation of structure of multilayer metallization and formation of topology of metal electrodes. In this case layer of silicon dioxide is formed by thermal oxidation till layer 0.01-0.03 μm thick is created on open surfaces. Opening of windows for contacts is conducted with distance of edge of window from edge of local insulating layer of dielectric equal to summary value of allowance for matching of topology and double thickness of first layer of multilayer metallization. EFFECT: facilitated manufacture. 1 tbl

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RU 2 017 271 C1

Authors

Gaganov V.V.

Zhil'Tsov V.I.

Pozhidaev A.V.

Popova T.S.

Dates

1994-07-30Published

1991-06-03Filed