HYGROMETER
PURPOSE:To obtain an inexpensive, accurate, and reliable hygrometer which has a low resistance, has a proper resistance change width, is highly durable and reliable, and can produce a moisture measuring circuit easily. CONSTITUTION:A solution containing manganese acetate and lead acetate is applied...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PURPOSE:To obtain an inexpensive, accurate, and reliable hygrometer which has a low resistance, has a proper resistance change width, is highly durable and reliable, and can produce a moisture measuring circuit easily. CONSTITUTION:A solution containing manganese acetate and lead acetate is applied onto an alumina substrate 4 with a comb-shaped electrode 2 by dip coating. The coated substrate is heat-treated to form a humidity element composed mainly of heat-treated manganese oxide and lead oxide. |
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