[PCB_FORUM] Re: 0402, 0603 round pads

From: "Macindoe, Gary" <Gary.Macindoe@xxxxxxx>
To: icu-pcb-forum@xxxxxxxxxxxxx
Date: Fri, 5 Jan 2007 10:04:30 -0600

 

Dave,

 

I've been using square/rectangular pads ever since SMT components came
along.  I guess I'm just used to them.

One thing I like about the square/rectangular pads is that you can tell
from a glance that they're SMT.

 

Regards,

Gary

 

  

Gary E. MacIndoe

PCB Design Engineer

Longmont, Colorado

 

amd.com

gary.macindoe@xxxxxxx

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Dave Mattice
Sent: Thursday, January 04, 2007 5:20 PM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: 0402, 0603 round pads

 

Well, this is an exciting topic. Personally, I HATE 90 degree corners
period.

Especially for surface mounting pads. I have been wondering why or if
circular

Pads could not be used for smaller packages like 0402's and 0603's.

Great topic. Sorry I do not have any other input right now but am very
interested

In the outcome or feedback.

David mattice

 

________________________________

From: icu-pcb-forum-bounce@xxxxxxxxxxxxx
[mailto:icu-pcb-forum-bounce@xxxxxxxxxxxxx] On Behalf Of Macindoe, Gary
Sent: Thursday, January 04, 2007 3:05 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

[PCB_FORUM] Re: 0402, 0603 round pads

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