Document Type and Number:
Japanese Patent JPS5575161
Kind Code:
U
Application Number:
JP15863678U
Publication Date:
May 23, 1980
Filing Date:
November 20, 1978
Export Citation:
International Classes:
H01L23/32; H01L23/40; (IPC1-7): H01L23/32; H01L23/40
Domestic Patent References:
| JPS4825084U | 1973-03-24 |