Document Type and Number:
Japanese Patent JPS5168844
Kind Code:
A
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Inventors:
ISHIKAWA SEIJI
IWASA KIMIO
IWASA KIMIO
Application Number:
JP14268974A
Publication Date:
June 14, 1976
Filing Date:
December 11, 1974
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
H03H11/02; G02B27/00; H01L31/12; H03H1/00; (IPC1-7): G02B5/14; H03H1/00
Domestic Patent References:
JPS4720159B1 |