Invention Grant
- Patent Title: Displacement devices and methods for fabrication, use and control of same
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Application No.: US15920309Application Date: 2018-03-13
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Publication No.: US10554110B2Publication Date: 2020-02-04
- Inventor: Xiaodong Lu , Irfan-Ur-Rab Usman
- Applicant: The University of British Columbia
- Applicant Address: CA Vancouver
- Assignee: The University of British Columbia
- Current Assignee: The University of British Columbia
- Current Assignee Address: CA Vancouver
- Agency: Todd A. Rattray, Oyen Wiggs Green & Mutala LLP
- Main IPC: H02K41/02
- IPC: H02K41/02 ; H02K21/24 ; H02K41/03 ; H02K1/27 ; H02K3/28 ; H02K7/09 ; H01L21/67 ; H02K1/26

Abstract:
Displacement devices comprise a stator and a moveable stage. The stator comprises a plurality of coils shaped to provide pluralities of generally linearly elongated coil traces in one or more layers. Layers of coils may overlap in the Z-direction. The moveable stage comprises a plurality of magnet arrays. Each magnet array may comprise a plurality of magnetization segments generally linearly elongated in a corresponding direction. Each magnetization segment has a magnetization direction generally orthogonal to the direction in which it is elongated and at least two of the magnetization directions are different from one another. One or more amplifiers may be connected to selectively drive current in the coil traces and to thereby effect relative movement between the stator and the moveable stage.
Public/Granted literature
- US20180269764A1 DISPLACEMENT DEVICES AND METHODS FOR FABRICATION, USE AND CONTROL OF SAME Public/Granted day:2018-09-20
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