- 专利标题: Magnet alternating pole array magnetized by one side magnetization to boost magnetic attraction force
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申请号: US16564258申请日: 2019-09-09
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公开(公告)号: US11923134B2公开(公告)日: 2024-03-05
- 发明人: Qigen Ji
- 申请人: Apple Inc.
- 申请人地址: US CA Cupertino
- 专利权人: APPLE INC.
- 当前专利权人: APPLE INC.
- 当前专利权人地址: US CA Cupertino
- 代理机构: Dorsey & Whitney LLP
- 主分类号: H01F7/02
- IPC分类号: H01F7/02 ; B25B11/00 ; G11B5/65 ; H01F7/04
摘要:
A flexible magnetic component can include a magnetizable powder including a rare earth element. The flexible magnetic component can also include a polymer binder. The flexible magnetic component can define a first surface and a second surface opposite the first surface. A first magnetic field adjacent to the first surface can have a field strength at least 3 times greater than a field strength of a second magnetic field adjacent to the second surface, and the flexible magnetic component can elongate greater than 20% before a permanent deformation occurs.
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