Document Type and Number:
Japanese Patent JPS57173368
Kind Code:
U
Application Number:
JP6077881U
Publication Date:
November 01, 1982
Filing Date:
April 28, 1981
Export Citation:
International Classes:
H05K1/18; H01L33/00; H05K7/12; (IPC1-7): H05K1/18; H01L33/00; H05K7/12
Domestic Patent References:
| JPS5549525B2 | 1980-12-12 | |||
| JPS554584B2 | 1980-01-31 |