Electronics Forum | Thu Jun 03 15:19:14 EDT 1999 | Earl Moon
| | | In a month or so, we will be getting an in-line x-ray inspection machine. It will require that we solder our most comlicated side (normally top) first. This is opposite to our process now where we solder our passive (bottom) side first. We
Electronics Forum | Thu May 20 15:07:12 EDT 1999 | JohnW
Earl, your colourful impressive descrptions are a joy to read..well lighten's up my day but maybe it's just me...ummmm..? anyhoo, Omat, as Earl has said ..this is a moisture sensative problem basically the reason you blow the shit out of the compon
Electronics Forum | Sat May 22 19:38:59 EDT 1999 | Omat Marasigan
| Earl, | | your colourful impressive descrptions are a joy to read..well lighten's up my day but maybe it's just me...ummmm..? | | anyhoo, Omat, as Earl has said ..this is a moisture sensative problem basically the reason you blow the shit out of
Electronics Forum | Tue Dec 29 22:31:06 EST 1998 | Kelvin Chow
It is still a big concern on using No-clean or aqueous cleaning for CSP assembly. I prefer to use no-clean, however, not all components are suitable to use it. Especially those dirty capacitors or connectors which may cause solderability problem. It
Electronics Forum | Wed Dec 30 17:34:23 EST 1998 | Michael Allen
I'm afraid we don't agree regarding the best test method to use here. My understanding is as follows. The omegameter test measures board-level, ionic contamination (i.e., average for the entire board area and all components); it does not tell you w
Electronics Forum | Mon Oct 19 12:03:09 EDT 1998 | Scott Cook
Out of interest, are you using an 84V? 84VZ? a 60V? 60VZ? With SBIP or the Yamaha vision system (VICS 1000)? Do you have the old tray sequencer? > WRONG!!!! Why do folks still live in this mindset? I'm not slamming you personally. But this is preva
Electronics Forum | Wed Oct 21 21:27:32 EDT 1998 | smd
| | WRONG!!!! | Why do folks still live in this mindset? I'm not slamming you personally. But this is prevalent in our industry. | More opinion: | Make REWORK a nasty, dirty word. Work for the ROOT cause of a process problem. DO NOT ACCEPT rework a
Electronics Forum | Thu Aug 27 15:40:50 EDT 1998 | Justin Medernach
| | | | | Hi, | | | | | Does anyone has experiences in reflowing Ceramic BGA and found solder wicking ? Solder wicking has the syndrome that solder being wick from the pad and ended up in the leads. | | | | | We have rule out the possibility of not p
Electronics Forum | Wed Jun 10 17:30:44 EDT 1998 | FAC
When creating part data�s for BGA or QFP style components, the line scan camera will be utilized (Camera No. 4). Using a Single nozzle type placing head, a nozzle capable of sufficient vacuum, and front lighting the part can achieve placement of a 74
Electronics Forum | Thu Mar 05 23:52:26 EST 1998 | Ron Costa
| Hi Ron, | Your question really opens up a "Pandora's box", but when you say you're not able to print perfectly, what is it exactly that you mean? Is the print lacking volume? Is it mis-registered? Are you bridging? Also, what printers have you used
