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.:
Date of Patent:
Dec. 02, 2014
Filed:
Sep. 05, 2012
Young-ki Hong, Anyang-si, KR;
Sung-gyu Kang, Suwon-si, KR;
Jae-woo Chung, Seoul, KR;
Seung-ho Lee, Suwon-si, KR;
Joong-hyuk Kim, Seoul, KR;
Yong-wan Jin, Seoul, KR;
Young-ki Hong, Anyang-si, KR;
Sung-gyu Kang, Suwon-si, KR;
Jae-woo Chung, Seoul, KR;
Seung-ho Lee, Suwon-si, KR;
Joong-hyuk Kim, Seoul, KR;
Yong-wan Jin, Seoul, KR;
Samsung Electronics Co., Ltd., Gyeonggi-Do, KR;
Abstract
A printing apparatus includes: a flow channel plate including, a pressure chamber, a nozzle including an outlet through which ink contained in the pressure chamber is ejected, and a trench disposed around the nozzle, and the outlet extending into the trench; a piezoelectric actuator configured to provide a change in pressure to eject the ink contained in the pressure chamber; and an electrostatic actuator configured to provide an electrostatic driving force to the ink contained in the nozzle.