Ink jet head having an improved coating in an ink pressure chamb

Details Ink jet head having an improved coating in an ink pressure chamb Ink jet head having an improved coating in an ink pressure chamb

1998-05-20

2000-04-04

Smith, Matthew S.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 71, B41J 2135, B41J 2045

Patent

active

060452137

ABSTRACT:
An ink jet head has a plurality of ink pressure chambers defined therein and a surface to which a plurality of ink pressure chambers open. An orifice plate having an orifice therein is bonded to the surface. When manufacturing the ink jet head, a coating of an insulating material is first formed on an inner wall of the ink pressure chambers and subsequently a re-dissolvable curingresin is applied to the ink jet head in an area from the inner walls to the surface. Then, the coating and the resin deposited on the surface are removed from the surface. Then, the resin deposited on the coating in the ink pressure chambers is dissolved to remove the resin from the inner wall. Finally, the orifice plate is bonded to the surface.

REFERENCES:
patent: 4546360 (1985-10-01), Fischbeck et al.
patent: 5235352 (1993-08-01), Pies et al.
patent: 5277813 (1994-01-01), Pies et al.
patent: 5311219 (1994-05-01), Ochiai et al.
patent: 5481285 (1996-01-01), Pies et al.
patent: 5729264 (1998-03-01), Pankert et al.

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