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Multilayer PCB Manufacturing – Up to 40 Layers

Peter / 2018-01-11

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PCBA STORE offers a wide range of advanced printed circuit board (PCB) manufacturing capabilities stocks a large variety of laminates for many different applications.  From the simplest 2 layer board to the most advanced design with rigorous requirements, engineers and buyers can trust Advanced Circuits to deliver high quality boards, on-time, and with outstanding support.

PCBA STORE is able to meet the demand for the increased layer count of conventional circuit boards. Multilayer PCB designs allow the engineer to create more powerful boards while at the same time shrink the overall size of the PCB.  To meet the demand for higher layer counts and more advanced PCB technologies, Advanced Circuits has invested heavily in strategic acquisitions and in state-of-the-art equipment which has allowed the company to offer the medical, aerospace and defense, industrial, and many other industries advanced PCB capabilities to meet their needs.

Prepreg is the material used in the multilayer PCB lamination process – a woven glass cloth with epoxy resin.

The chart below provides the thickness for a single ply (sheet) of each style of PrePreg after processing. These are grouped by the weight and type of the internal conductor layer (typical signal and plane layers) that they will be adjacent to (columns A-F).  Those that are adjacent to the top and bottom copper layers will use the column designated for these (column G) regardless of the layer type.  All plies that are not directly against a conductor layer (use for situations with more than 2 plies in an opening) will use the additional plies values (column H).  These values are based on a minimum of 2 plies of pre-preg per opening between foil and cores or between cores.

This thickness guide is provided as a guide only. The actual thickness will be affected by the copper distribution within the design as well as within the production panels. Learn more 

Hope above information will helpful for you to finish the Multilayer PCB design!

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