Substrate for an ink jet recording head having electrodes formed

Details Substrate for an ink jet recording head having electrodes formed Substrate for an ink jet recording head having electrodes formed

1988-03-28

1989-12-12

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516, B41J 304

Patent

active

048870994

ABSTRACT:
A substrate for an ink jet recording head comprises a support member, an electro-thermal converter, disposed on the support member, having a heat generating resistive layer and a pair of electrodes connected to said heat generating resistive layer, and a glaze layer on the support member underneath the electro-thermal converter. The glaze layer is omitted from between a heat generating portion provided by the resistive layer between a gap in the electrodes so that the heat generated by such heat generating portion can be properly dissipated.

REFERENCES:
patent: 4686544 (1987-08-01), Ikeda
patent: 4723129 (1988-02-01), Endo

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