Measuring and testing – Gas analysis – Moisture content or vapor pressure
Reexamination Certificate
2007-06-22
2009-06-30
Fitzgerald, John (Department: 2856)
Measuring and testing
Gas analysis
Moisture content or vapor pressure
Reexamination Certificate
active
07552635
ABSTRACT:
A humidity sensor capable of self-regulating temperature compensation and a manufacturing method thereof overcomes the inaccuracy caused by the resistor value of a conventional humidity-sensitive element changing depending due to changes in the temperature. The present invention proposes disposing two different humidity-sensitive elements in a humidity-sensitive substrate, wherein one humidity-sensitive element includes a saturated salt solution. The humidity-sensitive substrate has two different humidity-sensitive elements for achieving a self-regulating temperature compensation feature. The present invention of the humidity-sensitive element having the saturated salt solution can maintain the amount of humidity in the air regardless of the temperature.
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Chang Chin-Hsiung
Chen Yu-Kai
Fego Precision Industrial Co., Ltd.
Fitzgerald John
Rosenberg , Klein & Lee
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