Login| Sign Up| Help| Contact|

Patent Searching and Data


Document Type and Number:
Japanese Patent JPH02139804
Kind Code:
U
Application Number:
JP4937989U
Publication Date:
November 22, 1990
Filing Date:
April 26, 1989
Export Citation:
Click for automatic bibliography generation   Help
International Classes:
B65G1/04; B65G1/00; B65G1/02; B65G1/14; B66F9/07; H01L21/67; H01L21/68; (IPC1-7): B65G1/04; B65G1/14; B66F9/07; H01L21/68



 
Previous Patent: JPH02139803

Next Patent: ELECTRODE FOR P-TYPE SEMICONDUCTOR