Document Type and Number:
Japanese Patent JPH0129793
Kind Code:
Y2
Application Number:
JP14939885U
Publication Date:
September 11, 1989
Filing Date:
September 30, 1985
Export Citation:
International Classes:
B21F1/00; B26D9/00; H01L23/48; H01L23/50; H05K13/00; (IPC1-7): H01L23/50
Next Patent: JPH0129794