On chip heater element and temperature sensor
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United States of America Patent
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-
Feb 6, 1990
Grant Date -
N/A
app pub date -
Apr 29, 1988
filing date -
Apr 29, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This bubblejet device has integrated into it a number of heater resistors and a temperature sensor which operate in conjunction with a temperature regulating circuit to heat the chip to its optimum operating temperature within seconds of turn-on, and thereafter maintain that temperature regardless of local temperature variations. The precise temperature regulation of the array improves print quality.
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