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US 2022/0103754 A1Published application
Driving unit, optical-element driving device, camera module, and camera-mounted device
AssigneeMitsumi Electric Co., Ltd.
InventorsYoichi ITAGAKI, Taro WATANABE
Life of this patent
Estimating the term…
Abstract
The driving unit includes: a first contact portion and a second contact portion that move relatively to each other while making contact with each other during driving; in which the second contact portion includes a coating layer at a contact face with the first contact portion, and the first contact portion and the second contact portion generate heat along with relative movement to vaporize a worn-away part of the coating layer.
Claims17
A driving unit, comprising:
- a first contact portion and a second contact portion that move relatively to each other while making contact with each other during driving, wherein
- the second contact portion includes a coating layer at a contact face with the first contact portion, and
- the first contact portion and the second contact portion generate heat along with relative movement to vaporize a worn-away part of the coating layer.
Dependencies are inferred from the claim text.