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:
Sep. 20, 2022
Filed:
Oct. 21, 2020
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Shuhei Nakatani, Osaka, JP;
Kazunobu Irie, Hyogo, JP;
Abstract
A liquid discharging head and an ink-jet apparatus that can achieve stable discharging over time by suppressing clogging of a nozzle due to particles and the like contained in liquid, and by suppressing adhesion of particles to a channel and a diaphragm surface. A liquid discharging head includes a nozzle configured to discharge liquid; a pressure chamber communicated with the nozzle; an individual channel communicated with the pressure chamber through a narrow part; a common channel communicated with the individual channel; an energy generation element configured to generate energy; and a diaphragm configured to convey the energy to the pressure chamber, wherein a monomolecular film is formed at inner walls of the nozzle, the pressure chamber, the narrow part, the diaphragm, and the individual channel, the monomolecular film being lyophilic to the liquid.