Plastic substrate for thermal ink jet printer

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

1990-03-09

1991-04-16

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

361387, B41J 205

Patent

active

050086898

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. Preferred materials include polyimide plastic for the base, chromium for the metallization layer, and a bilayer construction of silicon dioxide overlying titanium for the dielectric structure.

REFERENCES:
patent: 4926197 (1990-05-01), Childers

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