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. 27, 1994
Filed:
Jun. 16, 1993
Applicant:
Inventors:
Alfred I Pan, Sunnyvale, CA (US);
Ellen R Tappon, Corvallis, OR (US);
Assignee:
Hewlett-Packard Company, Palo Alto, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
428131 ; 428134 ; 428195 ; 428913 ; 428914 ; 347 63 ;
Abstract
A composite orifice plate for a printer such as a thermal inkjet printer includes a first layer of non-wettable material and a second layer of wettable material joined to the first layer. In the orifice plate, at least one orifice is formed to extend through the first layer and at least one opening is formed to extend through the second layer, the orifice and opening are in fluid communication and aligned in an axial direction with an ink outlet located on a surface of the first layer facing away from the second layer and an ink inlet located on a surface of the second layer facing away from the first layer.