[SI-LIST] Re: permissable current density in PCB copper
- From: Cristian Gozzi <cristian.gozzi@xxxxxxxxx>
- To: Scott McMorrow <scott@xxxxxxxxxxxxx>
- Date: Mon, 14 Nov 2011 11:51:36 +0100
Hi Scott
where can I get this Intel's paper?
I'd like to read it
Thanks
Cris
2011/11/13 Scott McMorrow <scott@xxxxxxxxxxxxx>
> In a paper titled " Pentium 4 Processor Package Design and Development",
> the following current density maximum was used based on package
> reliability studies:
>
> 0.33 mA/square um
>
>
> Scott McMorrow
> Teraspeed Consulting Group LLC
> 121 North River Drive
> Narragansett, RI 02882
> (401) 284-1827 Business
> (401) 284-1840 Fax
>
> http://www.teraspeed.com
>
> Teraspeed® is the registered service mark of
> Teraspeed Consulting Group LLC
>
>
> On 11/12/2011 3:31 AM, Roopesh Badala wrote:
> > Dear Experts,
> > What is the maximum permissable current density in pcb copper.
> >
> > I am working on PI analysis of a PCB design using Hyperlynx PI.
> >
> > at certain regions on the power plane shape, i see current densities of
> > 220A/sqmm. ( in the area below BGA pins where via anti pads are causing
> > swiss cheese effect )
> >
> > I could not find any where a specification which says about the limits.
> >
> > please advise.
> >
> > Best Regards
> >
> > Roopesh
> >
> >
> > ------------------------------------------------------------------
> > To unsubscribe from si-list:
> > si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
> >
> > or to administer your membership from a web page, go to:
> > //www.freelists.org/webpage/si-list
> >
> > For help:
> > si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
> >
> >
> > List technical documents are available at:
> > http://www.si-list.net
> >
> > List archives are viewable at:
> > //www.freelists.org/archives/si-list
> >
> > Old (prior to June 6, 2001) list archives are viewable at:
> > http://www.qsl.net/wb6tpu
> >
> >
> ------------------------------------------------------------------
> To unsubscribe from si-list:
> si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
>
> or to administer your membership from a web page, go to:
> //www.freelists.org/webpage/si-list
>
> For help:
> si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
>
>
> List technical documents are available at:
> http://www.si-list.net
>
> List archives are viewable at:
> //www.freelists.org/archives/si-list
>
> Old (prior to June 6, 2001) list archives are viewable at:
> http://www.qsl.net/wb6tpu
>
>
>
------------------------------------------------------------------
To unsubscribe from si-list:
si-list-request@xxxxxxxxxxxxx with 'unsubscribe' in the Subject field
or to administer your membership from a web page, go to:
//www.freelists.org/webpage/si-list
For help:
si-list-request@xxxxxxxxxxxxx with 'help' in the Subject field
List technical documents are available at:
http://www.si-list.net
List archives are viewable at:
//www.freelists.org/archives/si-list
Old (prior to June 6, 2001) list archives are viewable at:
http://www.qsl.net/wb6tpu
Other related posts:
