Printhead and a method for the manufacture thereof

Details Printhead and a method for the manufacture thereof Printhead and a method for the manufacture thereof

Filed on

1994-03-08

Date issued

1995-09-26

Examiner

Hartary, Joseph W.

Patent Class

Incremental printing of symbolic information

SubClass

Ink jet

SubSubClass

Ejector mechanism

Other Related Categories

347 47, 347 20, 298901, B41J 205, B41J 216

Type

Patent

Status

active

Patent number

054537690

Description

ABSTRACT:
An inkjet printhead including a flexible substrate having at least one fold therein such that a first section of the substrate overlies a second section of the substrate. Inkdrop ejection chambers are disposed between opposed surfaces of the first and second sections of the substrate. Ink inlet orifices are provided in the first section of the substrate and each of the ink inlet orifices are in fluid communication with a respective one of the inkdrop ejection chambers. Ink outlet apertures are provided in the second section of the substrate and each of the ink outlet apertures are in fluid flow communication with a respective one of the inkdrop ejection chambers.

REFERENCES:
patent: 3626143 (1971-12-01), Fry
patent: 4287525 (1981-09-01), Tagawa
patent: 4314259 (1982-02-01), Cairns
patent: 4996585 (1991-02-01), Gruber
patent: 5008496 (1991-04-01), Schmidt
patent: 5103375 (1992-04-01), Cottingham
patent: 5305015 (1994-04-01), Schantz

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