Electronics Forum | Wed Aug 25 10:49:42 EDT 1999 | Boca
| | Again, I really appreciate the valuable input you all provided. Got my Air-Vac SRM4 machine Friday afternoon. Stored it safely in my cube over the week-end for safe keeping. Tried to find 220V single phase next to air with no luck yesterday. Elec
Electronics Forum | Tue Aug 24 05:11:32 EDT 1999 | George Verboven
| | Hello everyone, | | We found many cylindrical diodes missing during SMT process. Could someone tell us how to prevent this problem? Is it effective to change the shape of stencil apture or reduce fan speed in reflow oven? Thanks in advance. | |
Electronics Forum | Tue Aug 31 19:16:59 EDT 1999 | Steve Surtees
| I am looking for a rule of thumb regarding the maximum ramp standard components (chip capacitors) can tolerate without failure during the reflow process. The standard seems to be 3C\second, but this figure is generally derived from the average ram
Electronics Forum | Tue Aug 31 20:41:45 EDT 1999 | Dreamsniper
| | I am looking for a rule of thumb regarding the maximum ramp standard components (chip capacitors) can tolerate without failure during the reflow process. The standard seems to be 3C\second, but this figure is generally derived from the average r
Electronics Forum | Sun Aug 22 08:21:39 EDT 1999 | Earl Moon
| | | Want to know the Tools/ Process required to get started with CSP prototyping and R & D. | | | Anyone working on this , please help out. | | | | | Depending on the type, size, and pitch - just like BGA's, they aren't tough. Our 1mm types went t
Electronics Forum | Mon Aug 23 11:27:00 EDT 1999 | Dave F
0.6 �m (25 micro inches) and self-limit around 5 mils depending on the material being plated and the process. Similarly with white tin, laminates with cleaned copper are immersed in a series of tin baths without an external source of electric curren
Electronics Forum | Wed Aug 18 15:09:48 EDT 1999 | John Thorup
| OK folks, let's get real serious. | | Well, I shot off my big mouth yesterday during a scheduling meeting concerning DFM and rework. Again, what an irony, oxymoron, or that other thing. | | Anyway, I said it would take another 4 weeks to develop
Electronics Forum | Thu Sep 02 09:49:44 EDT 1999 | Ilka Wissling
| | | Does anyone have any experience with EKRA screenprinters? I am looking for a semiauto screenprinter and I came across this brand. My local rep says that they are fairly new in the US, so, it is hard to get opinions on the machine. I am looki
Electronics Forum | Tue Aug 17 03:33:26 EDT 1999 | Scott Davies
Anybody using trolleys with the pick-n-place machines and do you splice to the empty reels? Does it work ? ================================================================= I can totally support Charles' comments with regard to reel splicing, ie. if
Electronics Forum | Tue Aug 10 07:47:12 EDT 1999 | Brian
| | | hello to everybody, | | | we have a really satisfactory no clean process, both smt/reflow and wave soldering, but we get troubles with defects rework; | | | does anybody know how to eliminate flux residues or how not to produce them during rew
