Method for fabricating an ink jet head having improved discharge

Details Method for fabricating an ink jet head having improved discharge Method for fabricating an ink jet head having improved discharge

1992-10-30

1996-01-09

Woo, Jay H.

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Extrusion molding

156 731, 156 733, 156242, 15624417, 15624418, 264139, 264162, 2643281, 2643286, 26433114, 264482, 4251742, 4251744, 425289, 451910, B29C 4500, B29C 7104

Patent

active

054826608

ABSTRACT:
A method for fabricating an ink jet recording head in which at least liquid channels, discharge ports and a ceiling plate for the formation of an ink liquid chamber are laminated on a substrate having ink discharge energy generating elements arranged on its surface, characterized in that said ceiling plate is formed of a high molecular resin having dispersed water-repellent grains composed of fluoro-oligomer, fluoropolymer, or fluorinated graphite.

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