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:
Apr. 29, 2003
Filed:
Jun. 03, 1997
Applicant:
Inventor:
Hikoharu Aoki, Nagoya, JP;
Assignee:
Brother Kogyo Kabushiki Kaisha, Nagoya, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/01 ;
U.S. Cl.
CPC ...
B41J 2/01 ;
Abstract
A nozzle plate is provided with nozzle orifices through which ink is to be ejected, the nozzle orifices being formed by an excimer laser. A manufacturing process for manufacturing the nozzle plate in which the nozzle orifices are formed by the excimer laser uses a working lens having a numerical aperture (NA) set to 0.13 or more and 0.35 or less.