Ink jet head substrate, ink jet head having same and manufacturi

Details Ink jet head substrate, ink jet head having same and manufacturi Ink jet head substrate, ink jet head having same and manufacturi

1992-03-11

1993-08-17

Fuller, Benjamin R.

Recorders

Markers and/or driving means therefor

With ink supply to marker

B41J 205, B41J 216

Patent

active

052373436

ABSTRACT:
An ink jet recording head substrate includes a supporting member supporting a plurality of electrothermal transducers having heat generating resistors and electrodes electrically connected to the heat generating resistors; and identification marks for easy identification of each of the electrothermal transducers.

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patent: 4812859 (1989-03-01), Chan et al.
patent: 4947114 (1990-08-01), Schindlbeck

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