Document Type and Number:
Japanese Patent JPS52150963
Kind Code:
U
Application Number:
JP6064776U
Publication Date:
November 16, 1977
Filing Date:
May 12, 1976
Export Citation:
International Classes:
H01L23/50; H01L23/00; H01L23/12; (IPC1-7): H01L23/00; H01L23/12
Domestic Patent References:
| JPS5029415U | 1975-04-03 |