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:
Aug. 28, 2007
Filed:
Oct. 29, 2003
Applicant:
O-hyun Beak, Suwon, KR;
Inventor:
O-hyun Beak, Suwon, KR;
Assignee:
Samsung Electronics Co., Ltd., Suwon-Si, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/05 (2006.01);
U.S. Cl.
CPC ...
Abstract
An inkjet print head chip usable in an inkjet print head includes a semiconductor substrate having plural switching devices formed therein, plural heaters provided on upper sides of the switching devices and activated by the plural switching devices to heat ink, and metal wiring layers formed between the plural heaters and the switching devices which externally radiate some of the heat generated from the plural heaters.