Document Type and Number:
Japanese Patent JPS6230700
Kind Code:
B2
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Inventors:
SEKINE TOSHIHARU
Application Number:
JP15125480A
Publication Date:
July 03, 1987
Filing Date:
October 28, 1980
Export Citation:
Assignee:
NIPPON ELECTRIC CO
International Classes:
H01L25/18; H01L25/10; H01L25/11