Document Type and Number:
Japanese Patent JPS5438851
Kind Code:
U
Application Number:
JP11284377U
Publication Date:
March 14, 1979
Filing Date:
August 22, 1977
Export Citation:
International Classes:
H01L23/29; H01L23/00; H01L23/31; H05K7/00; (IPC1-7): H05K7/00; H01L23/00