Coating apparatus – With cutting – punching or tearing of work – Web or sheet work
Patent
1976-01-29
1977-04-19
Kaplan, Morris
Coating apparatus
With cutting, punching or tearing of work
Web or sheet work
C23C 1308
Patent
active
040181839
ABSTRACT:
A method of uniformly exposing a plurality of semiconductor slices to a reacting gas flow, where the slices are arranged in a spaced stack within a tube and the gas is directed between said slices by a longitudinally positioned baffle wall having apertures the cross-section of which increase in the direction of gas flow.
REFERENCES:
patent: 3367304 (1968-02-01), Robbins
IBM Technical Disclosure Bulletin, "Emitter Diffusion System" Eshbach et al., vol. 13, No. 6, (Nov. 1970), p. 1459.
Drumheller Ronald L.
Kaplan Morris
Trifari Frank R.
U.S. Philips Corporation
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