Document Type and Number:
Japanese Patent JPS5528441
Kind Code:
B2
Application Number:
JP524473A
Publication Date:
July 28, 1980
Filing Date:
January 10, 1973
Export Citation:
International Classes:
H03F3/195; H01L21/822; H01L27/04; H03F3/34; H03F3/343; H03F3/347; H03K17/00