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.

Patent No.:

US 7377624 B1

PDF
Full Text
Expired
Date of Patent:
May. 27, 2008

Filed:

Jun. 16, 2005
Applicants:

Yong-shik Park, Seongnam-si, KR;

Kwang-ryul Kim, Suwon-si, KR;

Sung-joon Park, Suwon-si, KR;

Inventors:

Yong-Shik Park, Seongnam-si, KR;

Kwang-Ryul Kim, Suwon-si, KR;

Sung-Joon Park, Suwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/05 (2006.01);
U.S. Cl.
CPC ...
Abstract

An ink jet head having a channel damper, and a method of fabricating the same. The ink jet head includes a heat-generating resistor disposed on a substrate to generate pressure for ink ejection, a chamber layer disposed on the substrate to enclose the heat-generating resistor and having a first height from the substrate in order to provide at least one opened portion, and a channel damper disposed at the opened portion to completely enclose the heat-generating resistor together with the chamber layer and having a second height lower than the first height is disposed at the opened portion. A nozzle layer having a nozzle corresponding to the heat-generating resistor is disposed to be in contact with an upper surface of the chamber layer.


Find Patent Forward Citations

Park, Yong-Shik. (2008). Ink jet head having channel damper and method of fabricating the same (U.S. Patent No. 7377624). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7377624

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