Thermal head

Details Thermal head Thermal head

1979-01-15

1980-11-04

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219543, 338309, H05B 100

Patent

active

042322138

ABSTRACT:
A thin-film thermal head comprises a thin-film heat-generating resistor made of an alloy of Si and a high melting point metal such as Ta, Mo, Ti, W or Zr. Joule heat generated by supplying a pulse current to the thin-film heat-generating resistor is utilized to develop a color on a heat-sensitive recording paper for printing characters and pictures. Resistance against thermal shock of the thin-film heat-generating resistor is improved, thereby attaining a stable lifetime of the thermal head.

REFERENCES:
patent: 3308528 (1967-03-01), Bullard et al.
patent: 3591413 (1971-07-01), Seki et al.
patent: 3896284 (1975-07-01), Holmes
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, 9/76.

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