Electronics Forum | Thu Apr 29 09:37:12 EDT 1999 | Dave F
| Can anyone in this world produce such small PCB/PWB trace widths? Lots of theory so far, but have not found anyone yet who can do it in practice. | Daniel: 2 mil lines with 3 mil spaces are pretty technical. Good luck. Dave F
Electronics Forum | Thu Apr 29 10:11:41 EDT 1999 | Cunli
| Can anyone in this world produce such small PCB/PWB trace widths? Lots of theory so far, but have not found anyone yet who can do it in practice. | Dan, I have seen boards with 3 mil pitch (that is 1.5 mil trace and 1.5 mil spacing) in quantity
Electronics Forum | Thu Apr 29 11:11:28 EDT 1999 | Steve Gregory
| Can anyone in this world produce such small PCB/PWB trace widths? Lots of theory so far, but have not found anyone yet who can do it in practice. Hi Daniel! I attended this years IPC Printed Circuits Expo down in Long Beach, and witnessed a live
Electronics Forum | Thu Apr 29 11:11:51 EDT 1999 | Steve Gregory
| Can anyone in this world produce such small PCB/PWB trace widths? Lots of theory so far, but have not found anyone yet who can do it in practice. Hi Daniel! I attended this years IPC Printed Circuits Expo down in Long Beach, and witnessed a live
Electronics Forum | Wed Jul 06 13:22:25 EDT 2005 | Dreamsniper
Can anyone help me on where to find reference for the above info other than IPC2221 as it is not covered by the said standard. I am looking for a proper trace spacing for my lightning protection circuit on my PCB for the following requirements: 750
Electronics Forum | Wed Jul 06 13:22:48 EDT 2005 | Dreamsniper
Can anyone help me on where to find reference for the above info other than IPC2221 as it is not covered by the said standard. I am looking for a proper trace spacing for my lightning protection circuit on my PCB for the following requirements: 750
Electronics Forum | Wed Jul 06 20:40:40 EDT 2005 | davef
Voltage does not flow. Current flows as a result of a change in voltage. Current capacity of traces * Graph is IPC-2221 paragraph 6.2, Figure 6.4 * http://www.geocities.com/CapeCanaveral/Lab/9643/TraceWidth.htm
Electronics Forum | Mon Jun 21 12:03:20 EDT 1999 | Scott Cook
Since Vic posted me privately and asked for the SIR test parameters I spoke of in my other post, I thought I'd respond on the forum. Ok, here they are, per Joe Keller--Solder / process consultant AKA Manko..... This is an accelerated SIR / dendrite
Electronics Forum | Mon Oct 09 06:16:31 EDT 2017 | jamesbarnhart
I think you needed an IPC Class 3 annular ring because for very dense designs, the smaller the annular ring the better, as less space is taken by the pad or via and more space can be dedicated to routing the traces in highly populated areas of the bo
Electronics Forum | Thu Apr 03 15:17:35 EDT 2008 | lakeside
Hi John, Check out Sierra Proto Express: http://www.protoexpress.com They have a microelectronics division that can do the 4 mil laser drill & they can get down to 1.25 mil space/trace. Hope they can help! Julie
