Invention Grant
- Patent Title: Thin film head having negative magnetostriction
- Patent Title (中): 具有负磁致伸缩的薄膜头
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Application No.: US7274Application Date: 1979-01-29
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Publication No.: US4242710APublication Date: 1980-12-30
- Inventor: Robert D. Hempstead , James B. Money
- Applicant: Robert D. Hempstead , James B. Money
- Applicant Address: NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: NY Armonk
- Main IPC: G11B5/31
- IPC: G11B5/31 ; G11B5/12 ; G11B5/30
Abstract:
A thin film inductive head is formed with nickel-iron binary alloy or nickel-iron-X ternary alloy pole pieces characterized by negative magnetostriction having a saturation magnetostriction coefficient in the range of -1.times.10.sup.-6 to -5.times.10.sup.-6.
Public/Granted literature
- US6034662A Method for transmitting remote controller pointing data and method for processing received data Public/Granted day:2000-03-07
Information query
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