Thermal ink jet print cartridge assembly

Details Thermal ink jet print cartridge assembly Thermal ink jet print cartridge assembly

1988-10-17

1989-10-31

Hartary, Joseph W.

Recorders

Markers and/or driving means therefor

With ink supply to marker

361386, 361398, 361412, G01D 1516, B41J 304

Patent

active

048780707

ABSTRACT:
A thermal ink jet printer is provided with an improved interconnection between the heater elements in the printhead and the remote source for the thermal energy print signals. The printhead is bonded to a first electrode board which has a plurality of electrode leads formed on both surfaces. The leads connect to the input pads of the resistor heater elements and terminate at discrete points over a large portion of the boards' surface. The electrical connections to the remote source are completed via a second electrode board placed in a mechanical and electrical contact with the first board. Conductive raised pads on the second board are in alignment with the terminal pads on the first board and are held in pressure contact therewith.

REFERENCES:
patent: 3863261 (1975-01-01), Klein
patent: 4567543 (1988-01-01), Miniet
patent: 4587596 (1986-05-01), Bunnell
patent: 4601777 (1986-07-01), Hawkins et al.
patent: 4791440 (1988-12-01), Eldridge

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