Compositions – Electrically conductive or emissive compositions – Metal compound containing
Patent
1979-04-05
1982-06-08
Schofer, Joseph L.
Compositions
Electrically conductive or emissive compositions
Metal compound containing
252519, 252520, 252517, 252521, 338 21, H01B 106
Patent
active
043338615
ABSTRACT:
A thick film varistor comprising a thick film consisting essentially of 20 to 85 weight percent of tin oxide having an additive such as antimony oxide, and 15 to 80 weight percent of a glass frit such as a zinc barium borate glass. This thick film varistor is advantageous for its high n value (i.e. high voltage dependence of resistivity) and its low varistor voltage (i.e. voltage above which its resistivity abruptly decreases).
REFERENCES:
patent: 3669907 (1972-06-01), Kohashi et al.
patent: 3725836 (1973-04-01), Wada et al.
patent: 4041436 (1977-08-01), Kouchich et al.
patent: 4051074 (1977-09-01), Asada
patent: 4065743 (1977-12-01), Wahlers et al.
patent: 4215020 (1980-07-01), Wahlers et al.
Aoki Masaki
Ohtani Mitsuhiro
Barr J. L.
Matsushita Electric - Industrial Co., Ltd.
Schofer Joseph L.
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