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:
May. 17, 1994
Filed:
Jun. 24, 1993
Applicant:
Inventor:
Yasuhiro Ouki, Nagano, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ; B29C / ;
U.S. Cl.
CPC ...
156643 ; 156633 ; 156644 ; 156655 ; 156668 ; 21912169 ; 427155 ;
Abstract
A coating layer 5 made of a fluorine-containing polymer and having a thickness of 20 to 700 nm is formed on a surface of a nozzle forming member made of plastics which can be ablated by an excimer laser. Then, the nozzle forming member 1 is irradiated from its back by the excimer laser to generate high-density excited species in the irradiated portion. Using the force owing to the decomposition and scattering of the excited species, a nozzle 7 is formed and the coating layer 5 on the nozzle 7 is removed.