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February 2001

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Subject:
From:
"Rougeux, Scott" <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 19 Feb 2001 13:03:44 -0600
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What is RF4 or am I confusing this with FR-4...........?

> -----Original Message-----
> From: McGlaughlin, Jeffrey A [SMTP:[log in to unmask]]
> Sent: Monday, February 19, 2001 12:47 PM
> To:   [log in to unmask]
> Subject:      Re: [TN] materials
>
> FR-4 is a fire retardant woven glass epoxy substrate. Getek, a trade name,
> is a similar product using PPO epoxy in place standard epoxy resin.
> Polyimide is a replacement resin for the epoxy still using woven glass.
> Teflon is a trade name for PTFE plastic it is used with a number of
> fillers
> to create a substrate. Rodgers is a manufacturer who produces all or most
> of
> the above plus a line of thermo set plastic laminates used for pcb
> manufacture. For more specific answers on the properties of these
> materials
> see IPC-4101.
> Jeffrey A. McGlaughlin, C.I.D.
> Sr. PCB Designer
> Battelle Memorial Institute
> Columbus Ohio
> [log in to unmask]
>         -----Original Message-----
>         From: KUMAR [mailto:[log in to unmask]]
>         Sent: Monday, February 19, 2001 12:11 PM
>         To: [log in to unmask]
>         Subject: [TN] materials
>
>         hello,
>         whats the difference between the materials fr4, gtec, rogers,
> polymide & teflon ?
>         thanx
>         kumar
>
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