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:
Feb. 05, 2008
Filed:
Oct. 20, 2004
Kunihiro Tamahashi, Mito, JP;
Akemi Ouchi, Mito, JP;
Tsutomu Maekawa, Hitachinaka, JP;
Hidetoshi Fujii, Hitachinaka, JP;
Hiroshi Sasaki, Mito, JP;
Kunihiro Tamahashi, Mito, JP;
Akemi Ouchi, Mito, JP;
Tsutomu Maekawa, Hitachinaka, JP;
Hidetoshi Fujii, Hitachinaka, JP;
Hiroshi Sasaki, Mito, JP;
Ricoh Printing Systems, Ltd., Tokyo, JP;
Abstract
An ink-jet printer head is characterized by comprising an organic film coated on the surface of the nozzle plate for discharging ink, in which solid particles having abrasion resistance are dispersed, and a water-repellent film on the surface of the organic film, in which the chains of fluorocarbon polymer is grown. The head shows improved durability of the chains of the fluorocarbon polymer on the nozzle plate during cleaning of the nozzle surface.