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. 09, 2001
Filed:
Apr. 06, 1999
Masayoshi Miura, Kawasaki, JP;
Masaichiro Tatekawa, Minoo, JP;
Yoshiyuki Sugiyama, Ayase, JP;
Masahiko Hashimoto, Tokyo, JP;
Kiyohide Amemiya, Fujisawa, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
An ink jet printing head comprises a plurality of ink liquid chambers (pressure chambers),connected to an ink supply source and arranged in a predetermined direction and a plurality of nozzles,individually connected to the ink liquid chambers,and arranged in the predetermined direction. Plate-shaped members,and,lying between the ink liquid chambers,and having a piezoelectric plate member capable of discharging ink in the ink liquid chambers are arranged by being laminated in the arrangement direction of the nozzles,By this configuration, a multi-nozzle ink jet printing head with high-density nozzle arrangement can be realized.