Thermal printing head

Electric heating – Heating devices – Combined with diverse-type art device

Patent

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Details

219543, 338309, 338328, H05B 100

Patent

active

044763778

ABSTRACT:
A thermal printing head comprising a base of electrically insulating material, a glaze layer formed on said base so as to form an elongated projection thereon, said glaze layer comprising a main portion and a portion integral with and extending from said main portion, at least one thermal printing element formed on said main portion of said glaze layer, and an area formed in said extending portion of said glaze layer to relieve said glaze layer of surface tension when glaze is sintered and then cooled to form said glaze layer on said base.

REFERENCES:
patent: 3973106 (1976-08-01), Ura
patent: 4203025 (1980-05-01), Nakatani et al.
patent: 4241103 (1980-12-01), Ohkubo et al.
patent: 4367395 (1983-01-01), Asakawa et al.

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