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" found 3 Products from Suzhou PTC Optical Instrument Co., Ltd., China

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AOI Machine

AOI Machine
This device is mostly used to detect various defects on the PCB inner layer and outer layer board , such as short/open circuit, line width/ line distance tolerance, bump/ recess , pinhole, residual ...

Glass Surface Stress Meter

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

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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