Apparatus for indiffusing dopants into semiconductor material

Coating apparatus – With cutting – punching or tearing of work – Web or sheet work

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13 20, 219390, C23C 1308

Patent

active

040207919

ABSTRACT:
Apparatus for indiffusing dopant into a semiconductor material. The apparatus comprises a heatable tube of the same semiconductor material, the wall of which is from 0.5 to 20 mm thick and is gas-tight under reaction conditions.

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patent: 3099579 (1963-07-01), Spizer et al.
patent: 3293074 (1966-12-01), Nickl
patent: 3441000 (1969-04-01), Burd et al.
patent: 3486933 (1969-12-01), Sussman
patent: 3492969 (1970-02-01), Emeis

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