Thermal head

Details Thermal head Thermal head

1984-07-13

1986-04-29

Goldberg, E. A.

Recorders

Thermal recording

219543, 346139C, 400120, 338309, G05D 1506

Patent

active

045860564

ABSTRACT:
A thermal ceramic head chip (1) having plural heating elements (2) and a connecting portion (5) and held on a head base (10) and a folded flexible printed circuit sheet (3) having an external lead portion (4) on its outside face, the wiring conductors on the flexible printed circuit sheet (3) is connected to the connecting portion (5). At the former's connecting opening disposed on the inside face of the former, and the flexible printed circuit sheet (3) with a dew sensor gap (13) for electrical detection of dew if any.

REFERENCES:
patent: 4217480 (1980-08-01), Livermore et al.
patent: 4224565 (1980-09-01), Sosniak et al.
patent: 4287525 (1981-09-01), Tagawa

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