Thema: tickness between top layer and ground plane on 4 layers

tickness between top layer and ground plane on 4 layers
I pose again the question of Thibaut (13.12.2004), because the link in the answer (Pcb-Pool, 14.12.2004, 10:28:30) is no longer available.

Thank you in advance,
Claudio Calosso
15.05.2009 15:02:47
Claudio Calosso
Re: tickness between top layer and ground plane on 4 layers
Hello Claudio,

Many thanks for your question.

As I'm unsure which layers you refer to please use the below link for our layer stackup.

http://www.pcb-pool.com/download/spezifikation/eng_CMSO004_layerbuild_4ML_uk.pdf

For example the distance from the top layer to the first inner layer is 0.38mm(cu to cu).

I hope this helps, please let us know if you need further assistance.

Best Regards,
Your Pcb-Pool Team


: I pose again the question of Thibaut (13.12.2004), because the link in the answer (Pcb-Pool, 14.12.2004, 10:28:30) is no longer available.
:
: Thank you in advance,
: Claudio Calosso


15.05.2009 17:28:04
Beta LAYOUT GmbH Service Team
Re: tickness between top layer and ground plane on 4 layers
Hi,

Unfortunately that layer stackup link no longer works. Could you please confirm that the distance from top layer to inner layer is still 0.38mm?

Also I read another post from several years ago that said you use a number of different PCB suppliers who use different layer stackups and thicknesses. Is this true, or can the 0.38mm thickness figure be relied on?

Thanks,
Chris
10.08.2012 19:31:13
Chris Kessell
Re: tickness between top layer and ground plane on 4 layers
Hi,

Unfortunately that layer stackup link no longer works. Could you confirm that the distance between top layer and inner layer is still 0.38mm?

Also I read an old post that said you use a number of different PCB suppliers who use different layer stackups and thicknesses. Is this true? If so can we be certain about the 0.38mm thickness?

Regards,
Chris
10.08.2012 19:35:31
Chris Kessell
Aw: Re: tickness between top layer and ground plane on 4 layers
Hi Chris,

sorry. It´s a new sytem we use for our specifications, so please have a look to:

http://www.pcb-specification.com/uk

- Layerbuild 4 or 6 layers.

6 Layer boards will always be the displayed values!

Best regards

PCB-POOL Service Team
17.08.2012 14:50:36
PCB-POOL (R)  Service Team
Re: tickness between top layer and ground plane on 4 layers
Please understand that the thickness between layers is not that simple to be chosen. It completely depends upon your design and quality of assembly process. There also is a key factor of heat dissipation. To ensure safety you have too tradeoff miniaturization.
12.12.2012 16:05:26
george
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