Printhead assembly with relative thermal expansion inhibition

Details Printhead assembly with relative thermal expansion inhibition Printhead assembly with relative thermal expansion inhibition

2006-06-27

2006-06-27

Stephens, Juanita D. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S050000

Reexamination Certificate

active

07066573

ABSTRACT:
A printhead assembly includes an elongate support member. An elongate ink delivery member is mounted in the support member and defines a number of ink delivery conduits extending along the support member and a series of patterned holes in fluid communication with the ink delivery conduits. A series of printhead modules is engaged with the support member and positioned end-to-end along the support member. Each printhead module includes an ink distribution structure in fluid communication with the holes of the ink delivery member and a printhead integrated circuit mounted on the ink distribution structure to receive ink from the ink distribution structure. A substrate of the printhead integrated circuit and the support member have substantially the same coefficient of thermal expansion.

REFERENCES:
patent: 4528575 (1985-07-01), Matsuda et al.
patent: 5869595 (1999-02-01), Fuller et al.
patent: 6151049 (2000-11-01), Karita et al.
patent: 6315384 (2001-11-01), Ramaswami et al.
patent: 6341845 (2002-01-01), Scheffelin et al.
patent: 6488355 (2002-12-01), Nakamura et al.
patent: 6655786 (2003-12-01), Foote et al.
patent: WO 01/002172 (2001-01-01), None
patent: WO 01/042022 (2001-06-01), None

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