[PCB_FORUM] FW: high speed board material.
- From: "Jelena Larsen" <jelenal@xxxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Fri, 18 Feb 2005 09:55:48 -0800
Best to consult with your engineering group. You would want to use a
material that has the appropriate dielectric constant and tangent loss
you are looking for. You don't need buy something exotic, just find what
meets your need at the lowest cost. Rogers Nelco and Isola all have
material that works. Also if you plan to sell your product in Europe you
will need have a material that that is RoHS compliant (lead free process
and much much more).
Also ....you would want to know who is going to fabricate and
manufacture the bulk of your. Not good to choose a material they don't
keep on stock unless your needs really call for it. There is down time
for them to order it.
FR4 comes in many flavors.
Jelena
-----Original Message-----
From: sjcharles@xxxxxxx [mailto:sjcharles@xxxxxxx]
Sent: Friday, February 18, 2005 7:42 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] high speed board material.
Group:
We will be doing a PCI card which will have high speed digital signals.
Which type of board material (fr4,rogers...) would be ideal?
TIA
Sam
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