Invention Grant
US4281357A Thin film magnetic head and method of making the same 失效
薄膜磁头及其制作方法

  • Patent Title: Thin film magnetic head and method of making the same
  • Patent Title (中): 薄膜磁头及其制作方法
  • Application No.: US74246
    Application Date: 1979-09-10
  • Publication No.: US4281357A
    Publication Date: 1981-07-28
  • Inventor: Fred S. Lee
  • Applicant: Fred S. Lee
  • Applicant Address: CA San Jose
  • Assignee: Magnex Corporation
  • Current Assignee: Magnex Corporation
  • Current Assignee Address: CA San Jose
  • Main IPC: G11B5/31
  • IPC: G11B5/31 G11B5/20
Thin film magnetic head and method of making the same
Abstract:
A thin film magnetic head is disclosed which includes a substrate, a first layer of magnetic material having a first offset portion, a second layer of magnetic material having a second offset portion overlying the first offset portion, and a layer of conductor material disposed within the cavity defined by the two offset portions. In one embodiment the offset portion of the first magnetic layer is disposed within a recess in the substrate. In a second embodiment the offset portion of the first magnetic layer is disposed between two insulation layers mounted along the top surface of the substrate.
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