Temperature coefficient of resistance modifiers for thick film r

Details Temperature coefficient of resistance modifiers for thick film r Temperature coefficient of resistance modifiers for thick film r

1978-08-16

1980-09-30

Padgett, Benjamin R.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252510, 252511, 252518, 252520, 252521, H01B 106

Patent

active

042254680

ABSTRACT:
Temperature coefficient of resistance (TCR) modifiers, useful in thick film resistor compositions, which can be fired in nonoxidizing atmosphere and which are based on LaB.sub.6 and glass powders dispersed in a vehicle, are provided. Among such TCR modifiers are included TiO, Ge, Si, and graphite.

REFERENCES:
patent: 3277020 (1966-10-01), Janakirama-Rao
patent: 3770478 (1973-11-01), Bishop
patent: 3868334 (1975-02-01), Van Loan
Valeev, Kh. S. et al., Chemical Abstracts 85, (1976), 135965u, "Semiconductor Ceramic Material for Producing Volume-type Resistors".
Smirnov, M. A. et al., Chemical Abstracts 79, (1973), 109218j, "Resistance Materials Made of Lanthanum Hexaboride and Glass".

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