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The main influencing factors of the layer deviation phenomenon

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With the development of high-level and high-precision PCB boards, the accuracy of the alignment between layers has become more stringent, and the PCB board skew problem has become more serious. There are many reasons for the PCB layer bias. Now we share with you the main influencing factors of the layer deviation phenomenon. D efinition of PCB layer bias: Tier bias refers to the difference in concentricity between layers of PCB board that originally requires alignment. The scope of requirements is regulated according to the design requirements of different PCB types. The smaller the hole-to-copper spacing, the stricter the control is to ensure its ability to conduct and over-current. Commonly methods for detecting layer deviations in the production process: The current method commonly used in the industry is to add a group of concentric circles at each corner of the production board, and set the spacing between concentric circles according to the requirements of the produc...
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X-RAY Application Case with BESTEC

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X-RAY Application Case – BESTEC power supplies & converters inspection BESTEC has set up branches in Suzhou, the United States, Germany, Taichung, Dongguan and other places. BESTEC Branch -Dongguan mainly manufacturing power supplies, power converters and other products. The BESTEC’s business needs, Purchased Zhuomao Technology   X-ray inspection Equipment ZM X7600 . What’s More，The high-performance & high-definition & high-resolution ZM-X7600 X-RAY inspection equipment. The Sealed Tube adopts the HAMAMATSU 123KV 5um x-ray tube – Japan. Detector 60° Tilting. Observation & stage can be rotated 360 degrees. In addition，The ZM-X7600 x-ray inspection equipment can..... Original： X-RAY Application Case | BESTEC POWER ELECTRONICS CO., LTD power supplies & converters
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