Patent · US Active

Read head with multiple reader stacks

US9406321B2 · kind B2 · utility

10Cited by
17References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 27, 2014
Grant dateAug 2, 2016
Priority date
Expiry dateMar 4, 2034

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG11B2005/3996
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A read head includes a bottom shield configured as a bottom electrical contact. A bottom reader stack is disposed on and electrically coupled to the bottom shield. A middle electrical contact is electrically coupled to a top layer of the bottom reader stack. A top reader stack is disposed on the bottom reader stack. A bottom layer of the top reader stack electrically coupled to the middle electrical contact. A top shield is configured as a top electrical contact. The top shield is disposed on and electrically coupled to the top reader stack.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.