Suzhou Ptc Optical Instrument Co., Ltd

You Wang

Fei Yan

Xiang Tang

Xudong Wang

Xiuxin Shang

Xiupu Wang

The invention provides a glass surface stress meter and multiple-tempered glass surface stress meter, and the glass surface stress meter includes a light source (), a light refraction element () and an imaging unit. The light refraction element () is provided at a light-emitting direction of the light source () for placing a measured glass (). The light from the light source () comes into the imaging unit to imaging after refracted by the light refractive element (). The imaging unit includes lens group () and a imaging sensor (). A front end of the lens group is provided at the light-refraction direction of the light refraction element () and a back-end is provided with the imaging sensor.

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Jiangsu, China

You Wang