Humidity-sensing component composition

Details Humidity-sensing component composition Humidity-sensing component composition

1987-04-14

1988-06-14

Barr, Josephine

Compositions

Electrically conductive or emissive compositions

Metal compound containing

252519, 252520, 252521, 338 35, H01B 106

Patent

active

047510226

ABSTRACT:
A humidity-sensing component composition includes a metallic oxide and a chalcogen oxyacid salt represented by a general formula A.sub.x B.sub.y O.sub.z where A is one of an alkali metal and an alkaline earth metal, B is one of sulphur, selenium, and tellurium, O is oxygen, x is 1 to 2, y 1 to 5, and z 2 to 7. The chalcogen oxyacid salt is blended by an amount of 0.01 to 99.99 mol % in the metallic oxide with the sum of the metallic oxide and the chalcogen oxyacid salt as a reference. The metallic oxide and the chalcogen oxyacid salt are sintered under an atmosphere of molecular oxygen.

REFERENCES:
patent: 4321577 (1982-03-01), Carlson
patent: 4357426 (1982-11-01), Murata
patent: 4373391 (1983-02-01), Johnson
patent: 4462930 (1984-07-01), Suzuki et al.
patent: 4464647 (1984-08-01), Yokomizo et al.
patent: 4529540 (1985-07-01), Uno et al.
patent: 4608549 (1986-08-01), Fukui

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