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. 08, 2009
Filed:
Aug. 24, 2006
Aung Lwin Oo, Singapore, SG;
Ishak Sugeng Iskandar, Singapore, SG;
Asmin Buang, Singapore, SG;
Chakravarty Barish, Singapore, SG;
Kiam Siang Tan, Singapore, SG;
Aung Lwin Oo, Singapore, SG;
Ishak Sugeng Iskandar, Singapore, SG;
Asmin Buang, Singapore, SG;
Chakravarty Barish, Singapore, SG;
Kiam Siang Tan, Singapore, SG;
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
A recirculation filter includes a first layer and a second layer. The first layer has a first side and a second side and is configured to trap particles that are of a first size. The second layer has a first portion adjacent to the first side of the first layer and a second portion adjacent the second side of the first layer. The second layer is configured to trap particles that are of a second size. The second size of particles trapped by the second layer is greater than the first size of particles trapped by the first layer.