Methods of fabricating nozzle plates

Details Methods of fabricating nozzle plates Methods of fabricating nozzle plates

2007-11-06

2007-11-06

Evans, Geoffrey S. (Department: 1725)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C219S121710

Reexamination Certificate

active

10925675

ABSTRACT:
A method of making flow feature structures for a micro-fluid ejection head. The method includes the steps of laser ablating a nozzle plate material to provide an elongate fluid chamber and fluid supply channel therein for connecting the fluid chamber with a fluid supply. The fluid chamber has a first length and a first width. An elongate nozzle hole is laser ablated in the nozzle plate material co-axial with the fluid chamber. The nozzle hole has entrance dimensions having a longitudinal axis dimension and a transverse axis dimension such that the longitudinal axis dimension is from about 1.1 to about 4.0 times the transverse axis dimension.

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International Search Report and Written Opinion of the International Searching Authority for International Application No. PCT/US05/30192, Oct. 25, 2006, U.S. Patent and Trademark Office.

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