Document Type and Number:
Japanese Patent JPS63178362
Kind Code:
U
Application Number:
JP6930987U
Publication Date:
November 18, 1988
Filing Date:
May 08, 1987
Export Citation:
International Classes:
G11B5/592; H01L41/08; H01L41/09; H02N2/00; (IPC1-7): H01L41/08; G11B5/592; H02N2/00