Plastic substrate for thermal ink jet printer

Details Plastic substrate for thermal ink jet printer Plastic substrate for thermal ink jet printer

1988-03-16

1990-05-15

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

361387, G01D 1516, B41J 304

Patent

active

049261975

ABSTRACT:
A substrate for the print head of an ink jet printer includes a plastic base, a metallization layer overlying the plastic base, and a dielectric structure overlying the metallization layer. A thin film resistor is deposited over the substrate, as required. Acceptable materials include polyimide plastic for the base, copper or nickel for the metallization layer, and a bilayer construction of silicon dioxide overlying chromium or titanium for the dielectric structure.

REFERENCES:
patent: 4392907 (1983-07-01), Shirato
patent: 4394670 (1983-07-01), Sugitani
patent: 4429321 (1984-01-01), Matsumoto
patent: 4490728 (1984-12-01), Vaught
patent: 4639277 (1987-01-01), Hawkins
patent: 4723129 (1988-02-01), Endo

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