公开(公告)号：DE69012479D1

公开(公告)日：1994-10-20

申请号：DE69012479

申请日：1990-05-21

Applicant: IBM

Inventor： ABOAF JOSEPH ADAM ,  KAHWATY VINCENT NOEL ,  NIX JAMES LAMAR ,  SHELLEDY FRANK BOYD

IPC: G01R33/09 ,  G11B5/39 ,  H01L43/08 ,  G11B5/37

Abstract: A soft film biased magnetoresistive sensor (10) is fabricated to have reduced Barkhausen noise. The magnetic ratio of the film layers (14 and 18) is controlled to be in the range of 1.7 to 1.95 and the optimum bias point is controlled to be in the range of 35 and 41 degrees.

公开(公告)号：DE69012479T2

公开(公告)日：1995-03-30

申请号：DE69012479

申请日：1990-05-21

Applicant: IBM

Inventor： ABOAF JOSEPH ADAM ,  KAHWATY VINCENT NOEL ,  NIX JAMES LAMAR ,  SHELLEDY FRANK BOYD

IPC: G01R33/09 ,  G11B5/39 ,  H01L43/08 ,  G11B5/37

Abstract: A soft film biased magnetoresistive sensor (10) is fabricated to have reduced Barkhausen noise. The magnetic ratio of the film layers (14 and 18) is controlled to be in the range of 1.7 to 1.95 and the optimum bias point is controlled to be in the range of 35 and 41 degrees.