Thermal drop-on-demand ink jet print head

Details Thermal drop-on-demand ink jet print head Thermal drop-on-demand ink jet print head

1988-12-15

1989-07-11

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

048476366

ABSTRACT:
A thermal drop-on-demand ink jet print head in which thermal cross-talk problems are eliminated by providing heat shield members in the space between each of the heater elements. The heat shield members comprise metal fingers attached to either the common heater electrode or one of the control electrodes. The heat shield members enhance flow of heat into the substrate to thereby minimize thermal cross-talk among adjacent channels.

REFERENCES:
patent: 4380771 (1983-04-01), Takatori
patent: 4463359 (1984-07-01), Ayata
patent: 4490728 (1984-12-01), Vaught
patent: 4502060 (1985-02-01), Rankin et al.
patent: 4535343 (1985-08-01), Wright
patent: 4550327 (1985-10-01), Miyakawa

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