The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Jun. 19, 2007

Filed:

Dec. 05, 2002
Applicant:

Shigeru Kinpara, Kanagawa, JP;

Inventor:

Shigeru Kinpara, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/015 (2006.01); B41J 2/135 (2006.01);
U.S. Cl.
CPC ...
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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Kinpara, Shigeru. (2007). Drop discharge head and method of producing the same (U.S. Patent No. 7232202). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7232202

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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