Thermal head

Details Thermal head Thermal head

1978-05-15

1981-10-20

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219543, H05B 100

Patent

active

042963095

ABSTRACT:
A thermal head of the present invention is composed of a substrate, a resistive heater element formed on the substrate, and electrically conductive members to supply electric power to the resistive heater element, wherein the resistive heater element contains a metal boride as the principal constituent. The thermal head of this construction is capable of selecting its resistivity to a high value and causing a large electric current to flow in the form of short pulses for the purpose of high speed printing, hence it is stable against repetitive pulse applications over a long period of time.

REFERENCES:
patent: 3240625 (1966-03-01), Collins
patent: 3503801 (1970-03-01), Huang et al.
patent: 3931492 (1976-01-01), Takano et al.
patent: 3973106 (1976-08-01), Ura
patent: 4007352 (1976-02-01), Ura
patent: 4017712 (1977-04-01), Baraff et al.
patent: 4038517 (1977-07-01), Nelson
patent: 4073971 (1978-02-01), Yasujima et al.
patent: 4129848 (1978-12-01), Frank et al.
patent: 4136274 (1979-01-01), Shibata et al.
patent: 4169032 (1979-09-01), Haase et al.
patent: 4194108 (1980-03-01), Nakajima et al.
Brady, Materials Handbook, Ninth Edition, McGraw-Hill Book Comp., New York, 1956, pp. 630-631.
Shibata et al., IEEE Transactions on Parts, Hybrids and Packaging, "New type thermal printing head using thin film", vol. PHP-12, No. 3, pp. 223-230, Sep. 1976.

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