Thermal print head wear bar

Details Thermal print head wear bar Thermal print head wear bar

1985-02-08

1986-12-02

Evans, Arthur G.

Recorders

Thermal recording

219543, 400120, G01D 1510

Patent

active

046268715

ABSTRACT:
A thermal print head for use in thermal printing apparatus has a pattern of conductive lines for energizing a resistive member overlying a portion of the lines to generate discrete heated spots on the resistive member. A screen-printed protective coating over a portion of the pattern is adapted to reduce the abrasive effect of grit particles carried on the medium to be printed. The coating comprises a layer of dried and fired material formed of a ceramic/glass overglaze composition mixed with fine metallic oxide particles.

REFERENCES:
patent: 3609294 (1971-09-01), Cady, Jr.
patent: 4203025 (1980-05-01), Natatani
patent: 4236163 (1980-11-01), Iino
patent: 4259564 (1981-03-01), Ohkubo et al.
patent: 4401881 (1983-08-01), Saito

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