[SI-LIST] Re: permissable current density in PCB copper
- From: john <johndp@xxxxxxxx>
- To: si-list@xxxxxxxxxxxxx
- Date: Tue, 15 Nov 2011 19:19:56 +0000
*Try IPC-2152 --- Standard for Determining Current-carrying Capacity in
Printed
Regards
John
*
On 14/11/2011 10:51, Cristian Gozzi wrote:
> 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
>>>
>>>
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