Coating processes – Electrical product produced – Integrated circuit – printed circuit – or circuit board
Patent
1983-02-14
1984-08-14
Smith, John D.
Coating processes
Electrical product produced
Integrated circuit, printed circuit, or circuit board
156653, 156657, 427 93, 427 94, H01L 2176
Patent
active
044657056
ABSTRACT:
A method of masking semiconductor devices provided with selectively formed oxide film patterns, can be made by very precisely copying from selective oxidation mask patterns.
The method in accordance with the present invention comprises
REFERENCES:
patent: 3900350 (1975-08-01), Appels
patent: 3911168 (1975-10-01), Schinella
patent: 3961999 (1976-06-01), Antipov
patent: 4016007 (1977-04-01), Wada
patent: 4113515 (1978-09-01), Kooi
patent: 4292156 (1981-09-01), Matsumoto
Appels "Local Oxidation of Silicon . . . " Philips Res. Repts. 25, pp. 118-132, 1970.
Ishihara Takeshi
Kagawa Keiichi
Matsushita Electric - Industrial Co., Ltd.
Smith John D.
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