Drop discharge head and method of producing the same

Details Drop discharge head and method of producing the same Drop discharge head and method of producing the same

2007-06-19

2007-06-19

Do, An H. (Department: 2853)

Incremental printing of symbolic information

Ink jet

Ejector mechanism

C347S044000

Reexamination Certificate

active

10487012

ABSTRACT:
A drop discharge head is provided which includes a channel-forming element made from a silicon substrate and having a pressure chamber for containing a fluid to be pressurized, and a nozzle-communicating channel for conducting the pressurized fluid to a nozzle. The nozzle-communicating channel can be formed by anisotropic etching of the silicon substrate after forming a non-through hole by dry etching of the silicon substrate.

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Sep. 27, 2005 Japanese Office Action in connection with Japanese Application No. 2001-376884 which corresponds to the above-identified application.
Aug. 24, 2006 EPO Communication and Supplementary Partial European Search Report.

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