PROTECTED]]
Sent: Wednesday, March 14, 2001 10:52 AM
To: Protel EDA Forum
Subject: Re: [PEDA] Use Pad Stack
I too use non-plated holes with a pad on a single side, but have always
used the multilayer padstack with no problems (99SEsp5, didn't want to
change horses in mid stream). I just set the internal
At 11:17 AM 3/14/01 +1100, Geoff Harland wrote:
Out of curiosity, what do you suggest should be done in a situation where
someone wants an unplated hole through a PCB, and this hole is to pass
through the middle of a pad on the bottom (copper) layer?
Before making a suggestion, I would
It's important to realize that CAD programs may be thoroughly checked for
bugs, but when they hit the real world, they may be fed data that was not
anticipated and therefore the behavior of the program has not been tested.
Further, whenever we attempt to do something non-standard, we are not
N-Luo/Yu-Ming ( INC) wrote:
I try to use the pads on multilayer using pad stack. I set the top and
middle layer pad to 0, and set the hole as a NPTH, But when I chech the
gerber file, I noticed a round flash with 8mil diameter on the top solder
mask layer. How to solve that?
and
We seem to be locking horns today ;-)
On 05:58 PM 14/03/2001 -0800, Abd ul-Rahman Lomax said:
It's important to realize that CAD programs may be thoroughly checked for
bugs, but when they hit the real world, they may be fed data that was not
anticipated and therefore the behavior of the
At 03:42 PM 3/15/01 +1100, Ian Wilson wrote:
We seem to be locking horns today ;-)
If one does not lock horns every so often, they become ingrown. :-)
On 05:58 PM 14/03/2001 -0800, Abd ul-Rahman Lomax said:
It's important to realize that CAD programs may be thoroughly checked for
bugs, but
( INC) [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, 13 March 2001 16:47
To: Protel EDA Forum
Subject: [PEDA] Use Pad Stack
Dear all,
I try to use the pads on multilayer using pad stack. I set the top and
middle layer pad to 0, and set the hole as a NPTH, But when I chech the
gerber file, I
. After all, isn't that what this forum is all about?
Anyhow, read on..
-Original Message-
From: [EMAIL PROTECTED]
Sent: Wednesday, March 14, 2001 7:44 PM
To: Protel EDA Forum [EMAIL PROTECTED]
Subject: Re: [PEDA] Use Pad Stack
It's important to realize that CAD
:(604) 292-9010
email: [EMAIL PROTECTED]
www: www.norsat.com
-Original Message-
From: Ian Wilson [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, March 14, 2001 8:43 PM
To: Protel EDA Forum
Subject: Re: [PEDA] Use Pad Stack
SNIP
I think:
1) Protel should make sure the drill drawing
At 09:18 AM 3/15/01 -0800, Brad Velander wrote:
Abd-ul Rahman how can you define a single layer pad with a hole as
pushing the envelope? I have used this type of design in at least three CAD
packages over the years and extensively in P98, all successfully. So where
is it defined that
Abd-ul Rahman,
Not that it warrants arguing over but you and I just have different
views. You say a single layer pad is a SMT pad. I say a single layer pad is
the most ancient of all pads and originally in it's concept had a drill even
though it is a single layer pad, it was a single
At 08:43 AM 3/15/01 -0700, Bruce admin wrote:
I read your email and thought I would throw in my two cents worth. The
following comments are meant more for educational purposes, and not to
flame your email. The technology in our field is rapidly changing, and we
need to help each other keep
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