kicad-developers team mailing list archive

[Simon Küppers <simon.kueppers@xxxxxx>]

I was also about to show the optiprint brochure, thanks. I fully agree with you. We especially like to use Teflon materials with thick copper backing, but fr4 plus ceramic is also quite common here. 


Am 1. September 2017 12:12:15 MESZ schrieb Ingo Kletti <ikletti@xxxxxxxxxxxxxxxx>:
>
>
>Am 01.09.2017 um 10:06 schrieb jp charras:
> > Could you give a link to a manufactured that explains applications 
>(and show a few boards) where
> > different substrates are used.
> From experience I can say that many (non-ceramic) RF materials are 
>rather soft (most common a mix of PTFE and glass fiber reinforcement) 
>and thin.
>
>In the designs that I worked on , we therefore created 4-layer PCBs
>with 
>a core consisting of more rigid material (most times FR4).
>
>Another mix of materials might be PCBs with a solid metal backing used 
>for cooling applications (think LED lighting, motor drivers, etc.).
>
>And another application for mixed materials are flex-rigid PCBs.
>
>While the different PCBs types are not explained in detail, the
>brochure 
>from Optiprint has some photos of complex designs:
>
>http://www.optiprint.ch/pdf/Optiprint_Imagebroschuere_2014_EN.pdf
>
>
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