Arrangement for heating the ink in the write head of an ink-jet

Details Arrangement for heating the ink in the write head of an ink-jet Arrangement for heating the ink in the write head of an ink-jet

1991-06-14

1993-05-04

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 205

Patent

active

052086119

ABSTRACT:
A heating device of a write head based on layer technology for an ink jet printer is furnished as a heating resistor (15) in the form of a heating conduit meander directly from an electrically conductive thin film, disposed in the empty spaces on a substrate, and deposited on the base oxide for furnishing the thermal converter and the conductor paths (5, 6). The empty spaces are thereby created by a spacing and a group-like combination and a gathering of the conductor paths (5, 6), wherein part sections of the heating resistors (15) are embedded in the empty spaces. The heating resistor (15) is part of a resistance measurement bridge and is employed simultaneously as a heat source and as a temperature sensor based on processing and evaluation of its electrical resistance values at different points in time.

REFERENCES:
patent: 4567353 (1986-01-01), Aiba
patent: 4612554 (1986-09-01), Poleshuk
patent: 4719472 (1988-01-01), Arakawa

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