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. 06, 2014
Filed:
Jul. 20, 2012
Andrew W. Hays, Fairport, NY (US);
Jun MA, Penfield, NY (US);
Peter J. Nystrom, Webster, NY (US);
Bradley J. Gerner, Flagstaff, AZ (US);
Andrew W. Hays, Fairport, NY (US);
Jun Ma, Penfield, NY (US);
Peter J. Nystrom, Webster, NY (US);
Bradley J. Gerner, Flagstaff, AZ (US);
Xerox Corporation, Norwalk, CT (US);
Abstract
A structure and method including a filter assembly, wherein the structure can be an ink jet printhead including the filter assembly. The filter assembly can include a first filter layer having a plurality of pores therein, wherein the pores have a first pitch, and a second filter layer having a plurality of pores therein, wherein the pores in the second filter layer have a second pitch which is different than the first pitch. The structure can include a fluid path through the filter assembly. An area of overlap of the pores in the first filter layer with the pores in the second filter layer, in a vertical direction perpendicular to a plane of the filter assembly, can include a periodicity.