Document Type and Number:
Japanese Patent JPS5476670
Kind Code:
U
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Application Number:
JP15099977U
Publication Date:
May 31, 1979
Filing Date:
November 09, 1977
Export Citation:
International Classes:
H01L23/50; H01L23/48; (IPC1-7): H01L23/48
Domestic Patent References:
| JP43024029A | ||||
| JP44019183A |