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:
Feb. 20, 2001
Filed:
Dec. 04, 1998
Michael Joseph Stirniman, San Jose, CA (US);
Samuel John Falcone, San Jose, CA (US);
Bruno Jean Marchon, Palo Alto, CA (US);
Jing Gui, Fremont, CA (US);
Seagate Technology LLC, Scotts Valley, CA (US);
Abstract
An information storage system including a perfluoropolyether lubricant having hydroxyethyloxymethyl terminated endgroups on the surface of a rigid storage medium is provided. In the subject invention, the perfluoropolyether lubricant has the general repeat formula of: HO,(CH,—CH,O)CH,—Z—CH,(OCH,—CH,),OH where Z is —CF,—(OC,F,),—(CF,),—OCF,—, p has an average value of 1.5, the ratio of m to n is approximately 1.0, and the mean molecular weight of the lubricant is in the range of approximately 2000 to 6000.