[PCB_FORUM] Re: 0402, 0603 round pads

  • From: "Jean Bratton" <jean.bratton@xxxxxxxxxxxxxx>
  • To: <icu-pcb-forum@xxxxxxxxxxxxx>
  • Date: Thu, 4 Jan 2007 15:32:31 -0800

I've seen 0402's with cut corners so they fit within the pin escape
pattern of a 1mm bga, but that's all. What does your CM have to say?

 

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Macindoe, Gary
Sent: Thursday, January 04, 2007 6:05 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] 0402, 0603 round pads

 

Hey guys,

 

Man has it been quiet (or am I not receiving forum e-mails?).

 

So, I've been looking at some designs from a couple of other groups
within the company.

Both of them have their 0402 and 0603 foot prints with round pads (0402
= rd25).

 

Is anyone out there also using round pads for 0402s and 0603s, and why?

 

They have oval pads for their 0805s and 1206s also.

 

I still have square or rectangular for all of the above.  Could it have
something to do

with lead free?

 

Thanks and Happy New Year!

 

Gary

 

  

Gary E. MacIndoe

PCB Design Engineer

Longmont, Colorado

 

amd.com

gary.macindoe@xxxxxxx

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