Method for adjusting eccentricity of optical component

By designing a high-precision V-groove tooling and combining it with optical adhesive, the problems of low yield and low processing efficiency in optical components with an eccentricity requirement of less than 0.005mm were solved. This enabled high-precision eccentricity control and mass production, improving production efficiency and yield.

CN119188508BActive Publication Date: 2026-06-12FOCTEK PHOTONICS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Existing technologies have low yield rates when processing optical components with an eccentricity requirement of less than 0.005mm, and the processing efficiency and quality are difficult to meet the high precision requirements. Conventional methods have problems such as insufficient dimensional accuracy, high risk of photoresist loading, and low efficiency of CNC equipment.

Method used

High-precision V-groove tooling is used, and the V-groove size is fixed by deepening the optical adhesive to ensure that the optical components form a symmetrical and equal thickness position when naturally placed vertically or tilted after placement. Excess parts are removed by grinding or cutting to achieve high-precision eccentricity control and parallel position.

Benefits of technology

It improves the yield and processing efficiency of optical components, reduces repetitive measurements and skill requirements, achieves consistency and mass production of high-precision eccentricity requirements, and reduces production costs.

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Abstract

The application provides a method for adjusting eccentricity of an optical component, and belongs to the technical field of eccentricity adjustment. The application comprises the following steps: step (1), designing a V groove and fixing the size; step (2), bonding two surfaces of the optical component, bonding the back surface to the back surface of a tool, and bonding the front surface to the edge line of a body; step (3), confirming the compactness of the optical component placed on the body by observing the back surface aperture, and sealing the edge with glue; step (4), after the corresponding V groove is fixed, the upper surface of the corresponding product is ground to remove the excess part; and step (5), the first surface is processed according to the designed size, and the other surface is processed by repeating steps 2-4, and the designed size of the first surface. By controlling the size precision of the V groove, the application realizes the principle of natural vertical placement of the product after placement, naturally forms the corresponding equal-thickness position contact, and becomes a symmetrical mode to perform the parallel position grinding of the corresponding product size, and also realizes the equal-thickness size.
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Citation Information

Patent Citations

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  • Clamp and method for grinding eccentric workpieces

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