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:
Jan. 27, 2009
Filed:
Apr. 25, 2003
Jae-sik Min, Gyeonggi-do, KR;
Byung-ha Park, Gyeonggi-do, KR;
Myung-jong Kwon, Gyeonggi-do, KR;
Young-shik Park, Gyeonggi-do, KR;
Yun-gi Kim, Gyeonggi-do, KR;
Jae-sik Min, Gyeonggi-do, KR;
Byung-ha Park, Gyeonggi-do, KR;
Myung-jong Kwon, Gyeonggi-do, KR;
Young-shik Park, Gyeonggi-do, KR;
Yun-gi Kim, Gyeonggi-do, KR;
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Abstract
An ink-jet printhead and a method of manufacturing the same include a substrate on which a heater and a passivation layer protecting the heater are formed, a passage plate on which an ink chamber corresponding to the heater and an ink passage connected to the ink chamber are formed, and a nozzle plate in which an orifice corresponding to the ink chamber is formed. An exposure stop layer (ESL) that blocks passage of a photosensitive energy is formed inside the nozzle plate, and the nozzle plate and the passage plate are bonded with each other by the exposure stop layer (ESL).