[SI-LIST] Re: Backdrill under BGA

  • From: Tony Luan <luant@xxxxxxxxxxx>
  • To: "cygnul@xxxxxxxxx" <cygnul@xxxxxxxxx>, "si-list@xxxxxxxxxxxxx" <si-list@xxxxxxxxxxxxx>
  • Date: Mon, 27 Jul 2009 12:58:12 -0700

Hi Sam,
   It is definitely achievable. Please check your PCB vendors. They will be 
able to tell the exact manufacturing limit for via size, back-drilling size and 
antipad clearance.

BR 
Tony

-----Original Message-----
From: si-list-bounce@xxxxxxxxxxxxx [mailto:si-list-bounce@xxxxxxxxxxxxx] On 
Behalf Of cygnul@xxxxxxxxx
Sent: Tuesday, July 21, 2009 5:46 PM
To: si-list@xxxxxxxxxxxxx
Subject: [SI-LIST] Backdrill under BGA

SI Gurus,
Has anybody done back drilling on BGA vias for multi gig traces?
is that achievable? If so, what was the via structure? 

-Sam



      

------------------------------------------------------------------
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
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
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
or at our remote archives:
                http://groups.yahoo.com/group/si-list/messages
Old (prior to June 6, 2001) list archives are viewable at:
                http://www.qsl.net/wb6tpu
  

Other related posts: