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Yarn One stop pcb assembly with pcb stencil for enclosure
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Yarn One stop pcb assembly with pcb stencil for enclosure

Layer:4
Material:FR-4
Board thickness:1.6mm
Copper Thinckness:1OZ
Sold mask:Green
Silk-screen:White
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Analysis Of The Causes Of PCB Board Deviation

1. Reasons for inner layer deviation

The inner layer is mainly the process of transferring graphics from the film to the inner core board, so its layer deviation will only occur during the process of graphic transfer production. The main reasons for the layer deviation are: inconsistent inflation and shrinkage of the inner layer film, exposure machine Factors such as misalignment, improper operation during personnel alignment exposure, etc.

2. Reasons for the deviation of the laminated layer of the multilayer PCB board

The main reasons for the deviation of the laminated layer are: the inconsistent expansion and contraction of the core plates of each layer, the bad punching positioning hole, the fusion dislocation, the riveting dislocation, the sliding plate during the lamination and other factors.



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Boyunfa is a printed circuit board  company, Located in Shenzhen,520 employees,16000 square feet, Who have offered  PCB Manufacturing Service for more than 10 years.With the state-of-the-art technologies we employ, along with our highly trained workforce we are able to ensure that every PCB we provide matches your design requirements.

 
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 ivan@pcbship.com 
   Xueziwei Industrial Zone, Yabian, Shajing Street, Baoan District, Shenzhen.

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