Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPS5754479
Kind Code:
B2
Application Number:
JP12156475A
Publication Date:
November 18, 1982
Filing Date:
October 07, 1975
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
C30B11/06; C30B29/40; C30B29/42; H01L21/208