Spectral Confocal Sensor Application: Pad Glass Profile Measurement

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2023/11/22

author:adminBOSS

Glass is an important component of the pad, and its quality can directly affect the display effect of the product, so strict appearance and size inspection is required.

 

 

Dimensional inspection includes plane size measurement and glass flatness and profile measurement. Pad glass profile refers to the smoothness and flatness of the pad glass surface. Poor pad glass profile may cause defects such as roughness, unevenness, and burrs on the glass surface, affecting the appearance quality of the glass and thus affecting the optical performance. Therefore, accurate measurement of pad glass profile can effectively improve product quality and stability.

 

POMEAS spectral confocal sensor is a non-contact displacement measurement system that can reach the sub-micron level. It can scan and take points on the glass surface to obtain the contour data of the glass surface without manual intervention. Use this to calculate the flatness and warpage to achieve high-precision measurement of the pad glass profile.

 

 

 

Measurement advantages of spectral confocal sensors

 

1. High precision: It can achieve precise measurement of small objects, and no matter what surface it is, it can be measured within 1μm accuracy.

 

 

2. High stability: Not only is the accuracy higher than traditional triangular ranging sensors, it can also obtain accurate and consistent results when measuring different shapes or materials.

 

 

3. Wide applicability: Stable measurement of various materials, such as metal/ceramic/precision/glass, etc.

 

 

4. Suitable for measuring characteristic dimensions of various workpiece shapes (including deep holes/inclined surfaces/curved surfaces), such as height/segment difference/thickness/flatness/contour, etc.

 

 

5. The probes are available in various models and are lightweight in structure, making them easy to integrate into automated measurement applications in various industries.

 

 

Our company is a machine vision component and solution provider. In addition to spectral sensors that can measure the contour of pad glass, we also have image measuring instruments that can be used to measure the plane dimensions of pad glass and other parts. If you want to know more, you can leave a message on the website

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