In a message dated 8/15/2002, Gary McInturff writes:
> Okay, now don't everyone write to my layout guys, but I never bothered to
> tell them they could change the constraint files for closer routing on
> inner layers, so they do apply the spacings. I have try to keep an eye for
> it causing us
asn't.
Gary
-Original Message-
From: T.Sato [mailto:vef00...@nifty.ne.jp]
Sent: Wednesday, August 14, 2002 6:41 PM
To: emc-p...@majordomo.ieee.org
Subject: RE: Creepage on PCB Internal Layers
On Wed, 14 Aug 2002 15:22:21 -0400,
John Juhasz wrote:
> While a different
On Wed, 14 Aug 2002 15:22:21 -0400,
John Juhasz wrote:
> While a different standard was originally referenced in this thread,
> I'd like to consider for a moment Chris Maxwell's question
> "...there should be some minimum distance... on an inner layer of the
> board"L
> The 950-based standa
Options Div.
Bohemia, NY
-Original Message-
From: Rich Nute [mailto:ri...@sdd.hp.com]
Sent: Wednesday, August 14, 2002 12:12 PM
To: chris.maxw...@nettest.com
Cc: richard.pa...@exgate.tek.com; emc-p...@majordomo.ieee.org
Subject: Re: Creepage on PCB Internal Layers
Hi Chris:
> To
m daemon@localhost)
> by ruebert.ieee.org (Switch-2.1.0/Switch-2.1.0) id g7DK9no01090
> for emc-pstc-resent; Tue, 13 Aug 2002 16:09:49 -0400 (EDT)
> From: j...@aol.com
> Message-ID: <15f.12358e09.2a8ac...@aol.com>
> Date: Tue, 13 Aug 2002 16:09:32 EDT
>
Hi Chris:
> To me, it's sort of funny in that it just says that the Creepage and
> Clearance distances do not apply on inner layers of void free PCBs.
> That's nice; but I can't find where a distance is specified. I mean, I
> would think that there should be some minimum distance betwee
xwell'; Payne, Richard; emc-p...@majordomo.ieee.org
Subject: RE: Creepage on PCB Internal Layers
I have always found the 1010 standard to be very vague.I
haven't worked with this standard in a while and I am sure others on the
list can offer a more complete interpretation
t 13, 2002 3:17 PM
> To: Chris Maxwell; emc-p...@majordomo.ieee.org
> Subject: RE: Creepage on PCB Internal Layers
>
> Hi Chris:
>
> The 2nd edition of 61010 has the statement in clause 6.7:
>
> There are no CLEARANCE or CREEPAGE DISTANCE requirements for the in
In a message dated 8/13/2002, you write:
> To me, it's sort of funny in that it just says that the Creepage and
> Clearance distances do not apply on inner layers of void free PCBs.
> That's nice; but I can't find where a distance is specified. I mean, I
> would think that there should be s
; Sent: Tuesday, August 13, 2002 3:17 PM
> To: Chris Maxwell; emc-p...@majordomo.ieee.org
> Subject: RE: Creepage on PCB Internal Layers
>
> Hi Chris:
>
> The 2nd edition of 61010 has the statement in clause 6.7:
>
> There are no CLEARANCE or CREEPAGE DISTANCE requirements for
Hi Chris:
The 2nd edition of 61010 has the statement in clause 6.7:
There are no CLEARANCE or CREEPAGE DISTANCE requirements for the interior of
void-free moulded parts, including the inner layers of multi-layer printed
circuit boards.
UL3111 has the following UL deviation from the 1st edition
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