Pagewidth printhead assembly with a thermal equalization...

Details Pagewidth printhead assembly with a thermal equalization... Pagewidth printhead assembly with a thermal equalization...

2006-06-06

2006-06-06

Feggins, K. (Department: 2861)

Incremental printing of symbolic information

Ink jet

Fluid or fluid source handling means

Reexamination Certificate

active

07055940

ABSTRACT:
A printhead assembly includes a support member that is mountable to a printer. A printhead chip is mounted on the support member and is primarily of silicon. The support member has a core reservoir structure that defines at least one ink reservoir in fluid communication with the printhead chip and a laminated outer shell comprising at least two layers of different metals selected such that a combined coefficient of thermal expansion of a lamination of the metals is substantially the same as that of silicon.

REFERENCES:
patent: 6270196 (2001-08-01), Uno et al.
patent: 6676245 (2004-01-01), Silverbrook
patent: 2004/0095413 (2004-05-01), Silverbrook
patent: 6087213 (1994-03-01), None
patent: 99-11010861 (1999-01-01), None

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