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:
Oct. 13, 2009
Filed:
Mar. 08, 2004
Chi-ming Huang, Beidou Township, Changhua County, TW;
Je-ping HU, Lujou, TW;
Jian-chiun Liou, Hsinchu, TW;
Chia-tai Chen, Hsinchu, TW;
Fa-yuan Hsu, Nantou, TW;
Chi-Ming Huang, Beidou Township, Changhua County, TW;
Je-Ping Hu, Lujou, TW;
Jian-Chiun Liou, Hsinchu, TW;
Chia-Tai Chen, Hsinchu, TW;
Fa-Yuan Hsu, Nantou, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
An inkjet printhead and a manufacturing method thereof. In the manufacturing method, a chip and a porous material are provided. A heating layer is formed on the chip. A conductive layer is formed on the heating layer, and includes a notch therein to define a heating area. A chamber for storing liquid is formed on the heating area, and includes a first side and a second side. The first side faces the heating area, and the second side is connected to the first side. The chamber is formed with an exit, from which the liquid is dispensed, on the second side. The porous material is disposed on the chamber, and the liquid flows to the chamber through the porous material.