Ink jet print head

Details Ink jet print head Ink jet print head

2006-04-11

2006-04-11

Pham, Hai (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S058000, C347S059000

Reexamination Certificate

active

07025441

ABSTRACT:
An ink jet print head is provided which includes: a print element substrate; a plate accommodating the print element substrate by enclosing a side peripheral portion of the print element substrate; an electric wiring tape member disposed on the plate and having electric wiring portions for the print element substrate; a first sealant filling a space surrounding the print element substrate enclosed by the plate; and a second sealant covering a part of the electric wiring portions. In this construction, stress concentrations in the electric connections are alleviated even if the electric wiring tape used to support the second sealant has a reduced stiffness due to a reduced thickness of the tape. For this purpose, the plate H1401′ is provided with protrusions H1402as support members that support the second sealant H1308through the extension portions H1305of the electric wiring tape.

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