Re: Creepage on PCB Internal Layers

2002-08-15 Thread JPR3
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

RE: Creepage on PCB Internal Layers

2002-08-15 Thread Gary McInturff
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

RE: Creepage on PCB Internal Layers

2002-08-15 Thread T.Sato
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

RE: Creepage on PCB Internal Layers

2002-08-14 Thread John Juhasz
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

Re: Creepage on PCB Internal Layers

2002-08-14 Thread Rich Nute
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 >

Re: Creepage on PCB Internal Layers

2002-08-14 Thread Rich Nute
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

RE: Creepage on PCB Internal Layers

2002-08-14 Thread richard . payne
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

(Fwd) RE: Creepage on PCB Internal Layers

2002-08-14 Thread jgriver
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

Re: Creepage on PCB Internal Layers

2002-08-13 Thread JPR3
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

RE: Creepage on PCB Internal Layers

2002-08-13 Thread Chris Maxwell
; 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

RE: Creepage on PCB Internal Layers

2002-08-13 Thread richard . payne
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