Radiant energy – Photocells; circuits and apparatus – Optical or pre-photocell system
Patent
1990-11-06
1991-12-24
Nelms, David C.
Radiant energy
Photocells; circuits and apparatus
Optical or pre-photocell system
250225, G01D 534
Patent
active
050755463
ABSTRACT:
A magnetic field measurement apparatus with high sensitivity and high accuracy in which a Bi-substituted rare-earth iron garnet crystal with a high and no temperature dependent sensitivity constant grown by liquid phase epitaxy is used for a magneto-optic element.
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Ishiko Daisuke
Ishizuka Satoshi
Kamada Osamu
Minemoto Hisashi
Miura Akihiro
Kansai Electric Power Co., Inc.
Matsushita Electric - Industrial Co., Ltd.
Nelms David C.
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