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:
Mar. 18, 2008
Filed:
Mar. 02, 2005
Takuya Miyakawa, Nagano-ken, JP;
Yoshiyuki Isobe, Nagano-ken, JP;
Takeshi Yasoshima, Nagano-ken, JP;
Takuya Miyakawa, Nagano-ken, JP;
Yoshiyuki Isobe, Nagano-ken, JP;
Takeshi Yasoshima, Nagano-ken, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
Disclosed are a head member having an ink-repellent film high in ink repellency, a method of ink-repellent treatment for the head member and an apparatus for the same. A head member () including a plurality of ejection ports () to eject ink which includes an ink-repellent film () on a surface having the ejection ports () open thereon, the ink-repellent film made of fluorocarbon resin subjected to plasma polymerization on the surface. An ink-repellent treatment method includes the steps of: disposing the head member () in a chamber () maintained in a vacuum state; introducing gaseous linear perfluorocarbon as a material of an ink-repellent film into the chamber (); and depositing an ink-repellent film () made of fluorocarbon resin obtained by subjecting the perfluorocarbon to plasma polymerization on the surface of the head member () to perform the ink-repellent treatment.