Micromechanical holding device, image sensor device, and method for manufacturing a micromechanical holding

By designing a microelectromechanical holding device, and utilizing interdigitated electrodes and coupling devices to achieve flexible offset and rotation of the image sensor, the problem of optical image stabilization in portable devices is solved, adapting to image sensors of any size and simplifying manufacturing.

CN122270926APending Publication Date: 2026-06-23ROBERT BOSCH GMBH
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Patent Information

Application Number
CN202480075064.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Priority Date
2023-11-29
Filing Date
2024-11-14
Publication Date
2026-06-23

AI Technical Summary

Technical Problem

Existing technologies struggle to achieve effective lens and imaging chip displacement for optical image stabilization in portable devices, especially lateral displacement in the x/y plane and rotation within the plane.

Method used

Design a microelectromechanical holding device comprising multiple independently controllable offset devices, which achieves the offset of an image sensor by manipulating electrode pairs, employing interdigitated electrodes and coupling devices such as push rods or spring elements, allowing the image sensor to offset and rotate in a predetermined direction.

Benefits of technology

It enables flexible offset and rotation of the image sensor, adapting to image sensors of any size, simplifying the manufacturing process, and the device area is smaller than the image sensor area, preventing offset from being transmitted to the electrode device.

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Abstract

A micro-electro-mechanical holding device for an image sensor includes a substrate and at least two offset devices disposed on the substrate. Each offset device has a frame for connection with the image sensor and at least one electrode device. The electrode assembly has at least one electrode pair. For each electrode pair, the first electrode is fixedly connected with the substrate. A second electrode is coupled with the frame. The electrode pair can be actuated in such a way that the frame is displaced in a predetermined first direction, which depends on the electrode pair.
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