[SI-LIST] Re: Conductor surface roughness
- From: Chockalingam Selvaraj <chockalingam.s@xxxxxxx>
- To: "scott@xxxxxxxxxxxxx" <scott@xxxxxxxxxxxxx>, "sukumarm@xxxxxxxxxxx" <sukumarm@xxxxxxxxxxx>
- Date: Thu, 6 Mar 2014 19:18:27 +0000
Sukumar,
For the surface roughness numbers, get in touch with your fab house (its approx
2.2um for a 1oz foil)
Also check if your foil is reverse treated (RTF)
Copper foil selection depends on the maximum speed and the final application.
Regards
Ck.,
-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On
Behalf Of Scott McMorrow
Sent: Thursday, March 06, 2014 11:08 AM
To: sukumarm@xxxxxxxxxxx
Cc: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Re: Conductor surface roughness
Use H-VLP 2 copper to minimize surface roughness.
On Thu, Mar 6, 2014 at 1:59 PM, Sukumar <sukumarm@xxxxxxxxxxx> wrote:
> Hi Experts,
> How can we minimize the effects of conductor surface roughness on high
> speed signals?
>
> What is the copper surface roughness value for electro deposited copper?
>
> Please share your ideas.
>
>
>
> Thanks,
> Sukumar
>
>
>
>
>
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--
Scott McMorrow
Teraspeed Consulting Group LLC
16 Stormy Brook Rd
Falmouth, ME 04105
(401) 284-1827 Business
http://www.teraspeed.com
Teraspeed(r) is the registered service mark of Teraspeed Consulting Group LLC
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