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Hand-operated Quantitive Polariscope: Polariscope is an optical instrument designed to observe stress presence, stress distribution state , measure temper grade and optical retardation caused by residual stress inside transparent ...

Glass Cover Cosmetic Defect Inspection Equipment ( AOI Machine): detect external dimension and common defects of the mobile phone glass cover, such as scratches, crushes, bubbles, black and white dots, dirt. With our specific lighting design and software ...

Multifunctional Automatic Glass Stress Detection Equipment: This multifunctional Glass Automatic Stress Detection Equipment is used to detect stress defects during chemical glass tempering process within mobile phone cover glass and back glass . This kind ...

Glass Surface Stress Meter: This Surface Stress Meter measures surface compressive stress of chemically tempered glass and the depth of stress layer according to photoelastic technology by letting light spread along the glass ...

Computerized Polariscope: This Polariscope adopts automatic Senarmont method to measure the internal stress in transparent objects . In the previous manual Senarmont method, the observer needs to determine the relatively ...

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Hand-operated Quantitive Polariscope