Invention Grant
- Patent Title: Process for producing acicular magnetic metallic particle powder
- Patent Title (中): 针状磁性金属颗粒粉末的制造方法
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Application No.: US783326Application Date: 1977-03-31
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Publication No.: US4133677APublication Date: 1979-01-09
- Inventor: Goro Matsui , Koji Toda , Atushi Takedoi , Nanao Horiishi
- Applicant: Goro Matsui , Koji Toda , Atushi Takedoi , Nanao Horiishi
- Applicant Address: JPX Hiroshima
- Assignee: Toda Kogyo Corp.
- Current Assignee: Toda Kogyo Corp.
- Current Assignee Address: JPX Hiroshima
- Priority: JPX51-39027 19760405; JPX51-70231 19760614
- Main IPC: B22F1/02
- IPC: B22F1/02 ; B22F9/22 ; H01F1/06 ; C22C1/04
Abstract:
The process for producing acicular magnetic metallic particle powder with improved magnetic properties which include the characteristic steps for producing the acicular particles of metal oxide with homogeneous and dense coats of crystalline silica and to thereby protect the particles from heat-damages during the reduction thereof under high temperatures.
Public/Granted literature
- US5865428A Vibration isolating apparatus Public/Granted day:1999-02-02
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