[PCB_FORUM] Re: Anti-pads

Thanks Gerry.

 

I haven't thought about it for quite a while, I was forgetting that
anti-pad to drill is what matters.

I suppose with an anti-pad that small, you have to make sure you
suppress unused inner pads.

A drill of 10 mil probably has a 20 mil pad, so a 16 mil anti-pad to a
20 mil pad would be too close otherwise.

 

Thanks again,

Gary

 

  

Gary E. MacIndoe
PCB Design Engineer
Fort Collins, Colorado

amd.com

gary.macindoe@xxxxxxx

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Gerry Meier
Sent: Friday, December 14, 2007 11:48 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: Anti-pads

 

16 mil over the drill size - 10 mil drill 26 mil anti-pad

 

Gerry Meier, Sr. PCB Designer

Freedom CAD Services. Inc

Voice: (256)776-7470 or (603) 864-1350

Email:gerry.meier@xxxxxxxxxxxxxx

visit us at http://www.freedomcad.com

 

 

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Macindoe, Gary
Sent: Friday, December 14, 2007 12:28 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Anti-pads

 

Hey guys,

 

We haven't thrown around anti-pads for a while!

 

What is the smallest anti-pad for an inner plane that you have
successfully used?

 

Has anyone used down to 5 mils a side anti-pad to pad?

 

Thanks,

Gary

 

 

Gary E. MacIndoe
PCB Design Engineer
Fort Collins, Colorado

amd.com

gary.macindoe@xxxxxxx

 


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