Metal working – Method of mechanical manufacture – Electrical device making
Patent
1987-04-22
1988-06-14
Goldberg, E. A.
Metal working
Method of mechanical manufacture
Electrical device making
29620, 29621, 346 76PH, 219216, 338308, 338309, 427 96, 427402, 427404, G01D 1510, H05B 300, B05D 136
Patent
active
047502606
ABSTRACT:
This invention relates to a thermal head suitable for constituting a multithermal head used in a color printer, a method of manufacturing the same, and a multithermal head constituted by the thermal heads. The thermal head comprises a flexible insulating film having heating elements arranged in a predetermined pattern and lead wires which have one ends electrically connected to the elements, the film being fixed on a substrate, and heating element driver ICs mounted on the substrate and electrically connected to the wires on the film. The method comprises the steps of, coating the film on the plate, forming the elements in a predetermined pattern and the wires on the film, dividing the plate into portions in accordance with a change in level of a surface of the substrate to which the film is to be fixed, fixing the divided portions of the plate on the substrate, and locating the ICs at a position lower than that of the elements on the substrate and connecting the other ends of the wires to the ICs. In the multithermal head, the thermal heads are fixed on a base so as to make lines of the elements of one thermal head parallel to the lines of that of the other thermal heads.
REFERENCES:
patent: 4472875 (1984-09-01), Christian et al.
patent: 4683646 (1987-08-01), Kando et al.
Saito Takashi
Shimizu Toshio
Takeno Shozo
Goldberg E. A.
Kabushiki Kaisha Toshiba
Nippon Telegraph & Telephone Corporation
Preston Gerald E.
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