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 8777378 B1

PDF
Full Text
Expired
Date of Patent:
Jul. 15, 2014

Filed:

Feb. 28, 2012
Applicants:

Tae Kyung Lee, Gyunggi-do, KR;

Pil Joong Kang, Gyunggi-do, KR;

Hwa Sun Lee, Gyunggi-do, KR;

Inventors:

Tae Kyung Lee, Gyunggi-do, KR;

Pil Joong Kang, Gyunggi-do, KR;

Hwa Sun Lee, Gyunggi-do, KR;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
Abstract

There are provided a piezoelectric actuator, an inkjet head assembly, and a method of manufacturing the same. The piezoelectric actuator includes: upper and lower electrodes providing driving voltage; and a piezoelectric substance formed between the upper and lower electrodes through solidifying a liquid piezoelectric substance, and providing driving force to ink in each of a plurality of pressure chambers provided in an inkjet head, wherein the piezoelectric substance includes a plurality of branch portions individually provided on an upper portion of each of the plurality of pressure chambers and a large area portion integrally provided while being connected to each of the plurality of branch portions at one ends of the plurality of branch portions.


Find Patent Forward Citations

Quick Actions:

Lee, Tae. (2014). Piezoelectric actuator, inkjet head assembly and method of manufacturing the same (U.S. Patent No. 8777378). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8777378

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

Loading…