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MULTILAYER PCBs

 

Multilayer Boards, Double-sided PCBs & more

Our wide selection of multilayer boards production capability is built upon our core concepts of efficiency, repeatability and reliability, supporting the most complex of multilayer PCB requirements in a cost-effective manufacturing environment. Amongst our other PCB capabilities, we offer a range of multilayer options including 2 layer PCBs, 4 layer PCBs and 6 layer boards. 

What is a Multilayer PCB?

A Multilayer PCB is a printed circuit board that has more than 2 layers, unlike a double sided PCB or a 2 layer PCB board, which only has two conductive layers of material. All multilayer PCB’s must have at least three layers of conductive material.

A Multilayer PCB is much more complex than a double-sided PCB design and can have any number of layers - choose from 4 layer PCBs to 6 layer PCBs, 8 layers or even up to 64 layers. Multilayer PCB’s are laminated and glued together with layers of heat protection insulation between them.

What is the purpose of a multilayer PCB?

Multilayer boards provide both high capacity and speed in a smaller footprint by their innate electrical properties. Connectors that are required for multiple separate PCBs are reduced or eliminated, simplifying construction and further reducing weight.

Multilayer PCB Board Thickness

Multilayer board thickness is 370 mil and the finished copper weight inner layer 15 oz/ outer layer 15oz. The line width & space of a multilayer PCB is a minimum 3mil/3mi and a minimum drill size cnc 4 mil. The minimum drill size laser drill of our multilayer PCBs is 3 mil, with an aspect ratio of 18:01 and a maximum board size of 43”x26”. The minimum core thickness for Pure's multilayer PCBs is 2mil and the impedance control tolerance +/- 5%.

Suitable Surface Finishes for Multilayer PCBs

  • ENIG
  • LF HASL
  • Leaded HASL
  • Immersion Silver
  • ENEPIG
  • ASIG
  • ISIG
  • Organic solder paste

Suitable Laminates for Multilayer Boards

  • Kingboard
  • Shengyi
  • Ventec
  • Isola
  • Iteq

...plus many more laminates for multilater boards available.

Why Choose Pure PCB as your Multilayer PCB Supplier?

As a key part of our business, Pure PCB’s double-sided PCB manufacturing capability drives our desire to deliver robust technology at the lowest available total cost, maximising your product lifecycle and optimising your cost point.

With significant capacity to support low volume production in some of the marketplaces' most effective lead times, through to higher volume mass production, Pure PCB’s experienced team has the commitment and experience to deliver your multilayer boards and double-sided PCB designs in a secure and controlled manner.

Utilising the latest equipment including advanced robotics to minimise touch time and reduce product workflow, our quality of multilayer boards products and service matches fluently with your project requirements.

For more information on our Multilayer printed circuit boards, 2 layer PCBs or 4 layer PCBs, get in touch with a member of our multilayer PCB supplier and manufacturing team.