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 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 Oct 21 14:02:32 EDT 1999 | Ron Costa
We are a contract manufacturer currently building a job with IBM CBGA-255 devices and 20mil QFP's that are close to each other. We use a 6 mil laser cut and electro polished stencil with one to one apertures on the BGA's. The customer is experiencing
Electronics Forum | Fri Oct 22 06:19:42 EDT 1999 | TNT
Ron, if I am reading this correctly the 20mil parts are not having problems on a 6mil stencil. If you increase the entire thickness of the stencil to 8mils, there should not be any issues with the 20mil components. The supports you are using could p
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 | Mon Sep 14 07:28:58 EDT 1998 | Wayne Bracy
Jon: Sorry, that's what I get for fishing all weekend long, did not read down the forum ........... Wayne
Electronics Forum | Mon Sep 14 07:02:55 EDT 1998 | Wayne Bracy
Jon: What stimulated this? It's okay to pick on Earl, but explain who is placing .008" pitch. Sounds like the olde hybrid guys? Always looking for cheap equipment to do hi-rel production. Wayne
Electronics Forum | Mon Sep 14 07:58:36 EDT 1998 | Earl Moon
| Jon: | What stimulated this? It's okay to pick on Earl, but explain who is placing .008" pitch. Sounds like the olde hybrid guys? | Always looking for cheap equipment to do hi-rel production. | Wayne Wayne, I resemble that remark. Jon, That's a
Electronics Forum | Mon Oct 25 15:23:26 EDT 1999 | Dave F
Ron: You're really talking about a step-up stencil in the area of the BGA. I don't think your problem is a lack of solder, but who know? I think you should do some sections on returned boards from your customer to help determine the source of the
