Try MC-3 or MC-5 from Glassteel. They also have other material that are
available. Contact Dave Barrell @ 626-963-3324 email is [log in to unmask]

Steve Collins
PCB Design Supervisor
Antec Corp

----------
> From: Matthew Park <[log in to unmask]>
> To: [log in to unmask]
> Subject: [TN] board substrate for RF/microwave
> Date: Monday, June 08, 1998 9:22 AM
>
> I have a customer that designed and tested a 5Ghz oscillator
> using 0.031" thick FR4-difunctional substrate.  The board is a
> simple design with 120 smt comp's and some th.  The customer
> tested proto-type units and they works good.  Obviously all of its
> other  boards are designed using FR4-difuntioinal.
> I don't think any board contract mfg want to take this job when I
> see the board layout (it is not designed for manufacturability).
>
> My question to you is "What board material is suitable for
> 5Ghz without  eating up too much cost?  I looked into Rogers's
> material but don't think the customer want to pay  10 times more.
>
> regards
> Matthew
> NII-Norsat International Inc.
>
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