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:
Jul. 03, 2007
Filed:
Mar. 11, 2005
Shaoyong Liu, Singapore, SG;
Kor Seng Kelvin Ang, Singapore, SG;
Sivalingam Marimuthu, Singapore, SG;
Jingjing Zhang, Singapore, SG;
Yi Zhao Yao, Singapore, SG;
Shaoyong Liu, Singapore, SG;
Kor Seng Kelvin Ang, Singapore, SG;
Sivalingam Marimuthu, Singapore, SG;
Jingjing Zhang, Singapore, SG;
Yi Zhao Yao, Singapore, SG;
Hitachi Global Storage Technologies Netherlands B.V., Amsterdam, NL;
Abstract
Embodiments of the present invention include a method for quantitatively detecting embedded particles of a disk spacer ring comprising. The method includes dissolving a layer of a disk spacer ring into a liquid solution, the disk spacer ring layer comprising embedded particles. The method further includes filtering the solution to capture the embedded particles. The method further includes counting the particles.