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:
Jan. 17, 2023
Filed:
Sep. 20, 2021
Western Digital Technologies, Inc., San Jose, CA (US);
Xiaoyong Liu, San Jose, CA (US);
Goncalo Baiao De Albuquerque, San Jose, CA (US);
Daniele Mauri, San Jose, CA (US);
Yukimasa Okada, Cupertino, CA (US);
Western Digital Technologies, Inc., San Jose, CA (US);
Abstract
The present disclosure generally relates to a read head of a data storage device. The read head includes a read sensor sandwiched between two shields. The shields can have different materials as well as a different number of layers. Furthermore the shields can be fabricated by different processes and have different heights and thicknesses. The ratio of the thickness to the height for the shields are substantially identical to ensure that the saturation field are substantially identical and balanced.