Document Type and Number:
Japanese Patent JPS5074833
Kind Code:
U
Application Number:
JP12985373U
Publication Date:
June 30, 1975
Filing Date:
November 12, 1973
Export Citation:
International Classes:
H01L29/66; H01L29/93; H03H11/00; H03H11/48; (IPC1-7): H03H11/00; H01L29/93
Domestic Patent References:
| JPS5234892A | 1977-03-17 |