Common PCB builds 1

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Explanatory graphics of most common and useful ways to construct PCB’s are listed below. There are other ways but the ones listed are industrially sound and commonly used. A useful framework based on years of industrial experience of methods that are tested and proven to work. If you want more information about a specific build please send us an email!

Routing constraints in a layout can easily be solved by increasing build complexity, like adding another layer or blind and buried vias. The pcb cost can increase rapidly using complex builds with more layers, maybe buried and blind vias, laser vias, flexible pcb, flex-rigid etc., and also mean longer lead times and fewer able suppliers, but most of the options are below.  Builds must also be symmetric or no serious supplier can manufacture boards without warp. Symmetric build means new layers added symmetrically at both sides at same stage, thicknesses of added layers near same, copper planes near same thickness and close to same overall areas, and placed symmetrically. Most build examples are shown as 4 or 6 layers yet number of layers is usually not a limitation. Finally don’t forget that the “art” in pcb layout is to fit complex circuitry into simple builds.  The graphics on this page are totally free to copy for private, educational or commercial purposes!  Right-click – “copy image” – and paste in email or anywhere. Image size can typically be adjusted after pasting.

The Shipco R700xx -numbers provides references to these builds and the references can typically  be found via net searches.  This could be the only existing systematic public reference library of pcb builds; you may be among the first to use it, please let us have your comments!

Microvia single stackup-R7009     Double sided PTH

Flex  and Rigid-Flex-R7021

7000-R

R7000 – Single sided

 

7001

R7001 – Double sided – no plated holes (NPTH)

 

7002

R7002 – Double sided  with plated holes (PTH)

 

7003

R7003 – 6 Layer standard multilayer

 

7004

R7004 – 6 Layer with buried vias  L2-L5

 

7005

R7005 – 6 Layer with drilled blind vias  L1-L2 & L5-L6

 

7006

R7006 – 8 Layer with buried vias L3-L6 and drilled blind vias  L1-L2 & L7-L8

 

7007

 R7007 – 6 Layer  with 2 buried via layers L2-L3 & L4-L5

 

7008

 R7008 – 8 layer,  2 buried via layers  3-4 & 5-6 and  blind  vias L1-L2 & L7-L8

 

7009

 R7009 – 6 Layer with laser vias one side, L1-L2

 

7010

 R7010 – 6 Layer with laser vias 2 side, L1-L2 & L5-L6

 

7011

R7011 –  6 Layer with buried vias L2-L5 & laser vias L1-L2 & L5-L6

 

7012
Two buried and two micro-via layers R7012  One lamination stage

 

 

 

 

 

 

 

 

7013
2 + 2 Micro-via layers R7013  Two lamination stages

 

 

 

 

 

 

 

 

7014
2 + 2 Micro-via stacked design R7014  Two lamination stages

 

 

 

 

 

 

 

 

7015
Buried (>0,8mm) 2 + 2 Micro-via(in this case no via fill) R7015  Three lamination stages

 

 

 

 

 

 

 

 

7016
Buried (<0,8mm9 2 + 2 micro-via R7016 Three lamination stages

 

 

 

 

 

 

 

 

 

 

7017
One buried 2 + 2micro-via (via in via version) R7017  Three lamination stages

 

 

 

 

 

 

 

 

 

 

7018
Two buried and 2 + 2 micro-via R7018  Two lamination stages

 

 

 

 

 

 

 

 

 

 

Bild2
Filled and flat over plated vias R7019    One lamination stage

 

 

 

 

 

 

 

 

7020
Via in via and copper filled micro vias R7020   Two lamination stages

 

 

 

 

 

 

 

 

 

 

7021
Single sided no plated and double sided Through plated Flex board R7021

 

 

 

 

 

 

7022
2 layers Rigid Flex board R7022 Onle lamination stage

 

 

 

 

 

 

 

 

7023
3 layers asymmetric Rigid Flex Board R7023    One lamination stage

 

 

 

 

 

 

 

7024
4 layers Rigid Flex board R7024   One lamination stage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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PCB Technical Recources by Shipco Circuits Inc. is licensed under a Creative Commons Attribution-ShareAlike 3.0 Unported License.