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. 13, 2011
Filed:
Jan. 08, 2008
Hongtao MA, Dongguan, CN;
Baohua Chen, Dongguan, CN;
Xiaofeng Qiao, Dongguan, CN;
Hongxin Fang, Dongguan, CN;
Weiwei He, Dongguan, CN;
HongTao Ma, Dongguan, CN;
BaoHua Chen, Dongguan, CN;
XiaoFeng Qiao, Dongguan, CN;
Hongxin Fang, Dongguan, CN;
WeiWei He, Dongguan, CN;
SAE Magnetics (H.K.) Ltd., Hong Kong, CN;
Abstract
The invention provides a method for preventing TMR MRR drop of a slider, including: positioning a row bar constructed by sliders on a tray, each slider incorporating a TMR element; loading the tray into a processing chamber and evacuating the processing chamber to a predetermined pressure; forming a first etching means; exposing the sliders to the first etching means such that an oxide layer is formed on a surface of the TMR element; forming a second etching means; and exposing the sliders to the second etching means such that the oxide layer is etched to get a reduced thickness. The invention also discloses a method for manufacturing sliders.