Document Type and Number:
Japanese Patent JPS4914093
Kind Code:
A
Application Number:
JP4770872A
Publication Date:
February 07, 1974
Filing Date:
May 16, 1972
Export Citation:
International Classes:
H03H9/145; H03H3/08; H03H9/64; H01L41/04; (IPC1-7): H01L41/04
Foreign References:
| US3600710A | 1971-08-17 |