Thick film resistor material and thermal head obtained therefrom

Details Thick film resistor material and thermal head obtained therefrom Thick film resistor material and thermal head obtained therefrom

1991-03-04

1992-04-28

Robinson, Ellis P.

Recorders

Thermal recording

428428, 428432, 428433, G01D 1510, B32B 1706, B32B 1504, H01B 106

Patent

active

051092387

ABSTRACT:
A thermal head obtained by calcining a mixed material comprising at least ruthenium oxide particles having specific surface area of 10 to 45 m.sup.2 /g and a particle size of 1 .mu.m as the upper limit value of particle size distribution, glass fine particles and a dispersant which disperses these fine particles and disappears by calcining can reduce scattering of resistance values and give high image quality at thermal printing.

REFERENCES:
patent: 3679607 (1967-10-01), Angus
patent: 4051074 (1977-09-01), Asada
patent: 4175061 (1979-01-01), Fujimura
patent: 4203025 (1980-05-01), Nakutoni et al.
patent: 4204107 (1980-05-01), Ohkubo et al.
patent: 4362656 (1982-12-01), Hormadaly
patent: 4415624 (1983-11-01), Probhu et al.
patent: 4439352 (1984-03-01), Asada et al.
patent: 4476039 (1984-10-01), Hormadaly

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