Printing head and ink jet printing apparatus

Details Printing head and ink jet printing apparatus Printing head and ink jet printing apparatus

2006-06-30

2009-10-13

Shah, Manish S (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S026000, C347S071000, C347S084000

Reexamination Certificate

active

07600851

ABSTRACT:
In spite of relative deformation between a printing element substrate and a supporting member due to a change in temperature of a printing head, the printing quality is stabilized, and the printing head is not damaged. In detail, as the temperature of the supporting member and the printing element substrate, which are adhered to and fixed to each other in an expanded state, falls to the room temperature, the supporting member contracts significantly more than the printing element substrate, and a stress relation is caused to be present between the respective members. At this time, ribs are deformed in the direction of widening the ribs, which is the direction toward the outside of the printing element substrate, whereby the above-described difference in deformation can be absorbed, and influence on the printing element substrate can be relieved.

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patent: 10-44420 (1998-02-01), None
patent: 2002-19119 (2002-01-01), None

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