Oxide island structure for flexible inkjet printhead and method

Details Oxide island structure for flexible inkjet printhead and method Oxide island structure for flexible inkjet printhead and method

1995-05-22

2000-11-07

Lund, Valerie A.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

B41J 201

Patent

active

061426113

ABSTRACT:
A component for a printhead of an inkjet printer includes a flexible substrate and oxide island heat barriers. The oxide islands allow the flexible substrate to be bent without cracking the oxide islands, a problem which otherwise occurs when the heat barrier is a continuous oxide layer. Thin film resistors are supported on the oxide islands and front conductors are connected to back conductors by vias. The flexible substrate can be folded to form monolithic assemblies or the flexible substrate can be bent around a pen body. Discrete heat-spread layers of titanium are provided between the oxide islands and a chromium adhesion layer on the substrate.

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patent: 4532530 (1985-07-01), Hawkins
patent: 4935752 (1990-06-01), Hawkins
patent: 5008689 (1991-04-01), Pan et al.
patent: 5045870 (1991-09-01), Lamey et al.
patent: 5453769 (1995-09-01), Schantz et al.

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