Inorganically insulated heater, and cathode ray tube and air flow sensor using the same
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United States of America Patent
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Aug 11, 1992
Grant Date -
N/A
app pub date -
Jun 28, 1990
filing date -
Jul 1, 1989
priority date (Note) -
Expired
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Abstract
The present invention relates to an inorganically insulated heater having a long life for use in air flow sensors, cathode ray tube cathode heaters etc., wherein the distribution of inorganic insulating particles of the whole insulating layer is made uniform and thereby the development of cracks and the like in the insulating layer is reduced and breaking of wire and dielectric breakdown occur with difficulty even at high temperatures and under strong vibrations.
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