Document Type and Number:
Japanese Patent JPS4871765
Kind Code:
U
Application Number:
JP11743771U
Publication Date:
September 08, 1973
Filing Date:
December 13, 1971
Export Citation:
International Classes:
H01L23/48; H01L27/14; H01L31/02; (IPC1-7): H01L31/02
Domestic Patent References:
| JP43022729A | ||||
| JP44011932A |