Image contrast by thermal printers

Details Image contrast by thermal printers Image contrast by thermal printers

1988-01-28

1989-06-06

Walberg, Teresa J.

Recorders

Thermal recording

219216, B41S 320

Patent

active

048375861

ABSTRACT:
A thermal paste or other thermal resistance material is placed between the ceramic substrate and heat sink of a thermal print head. By selecting the thermal resistance of the material to be sufficiently low, print contrast is improved.

REFERENCES:
patent: 3609294 (1971-09-01), Cady
patent: 3903393 (1975-09-01), Stapleton
patent: 4157327 (1979-06-01), Martin et al.
patent: 4509990 (1985-04-01), Vasudev
patent: 4607277 (1986-08-01), Hasson et al.

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