Recording element unit, ink jet recording element unit, ink jet

Details Recording element unit, ink jet recording element unit, ink jet Recording element unit, ink jet recording element unit, ink jet

1998-06-17

2000-11-21

Barlow, John

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 205

Patent

active

061492655

ABSTRACT:
It is intended to secure the space for the signal wirings in the manufacture of an ink jet recording element unit of a high density. In the manufacture of the ink jet recording element unit by providing, on a substrate, a plurality of recording elements each composed of an individual electrode, an electrothermal converting element, a common electrode and a return electrode, a notch portion is formed on the outer edge of the electrothermal converting member adjacent to the return electrode.

REFERENCES:
patent: 4887099 (1989-12-01), Terai et al.
patent: 4914736 (1990-04-01), Matsuda
patent: 5204689 (1993-04-01), Shirato et al.
patent: 5483270 (1996-01-01), Watanabe
Patent Abstracts of Japan; vol. 11, No. 225 (M-609), Jul. 22, 1987 & JP 62 039253 A, Feb. 20, 1987.
Patent Abstracts of Japan; vol. 14, No. 132 (M-948), Mar. 13, 1990 & JP 02 000512 A, Jan. 5, 1990.

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