Electronics Forum | Tue Jul 25 20:36:08 EDT 2000 | Jason
What type of machine are you placing the PLCC68 with? We place PLCC84 on a Fuji QP242 and we use Hover-Davis electronic feeders. They are expensive but worth the money as you can change the pitch to many setting as long as the width remains the sam
Electronics Forum | Thu Jul 13 06:20:56 EDT 2000 | Jacqueline
Sorry for wearing you out Dave, but you only had to tell me the once! Anyway thanks for the info. input but I'm now also away to pick at a collegue/friend's brain ie. JohnW. Just found out about his ongoing contribution to SMTnet (that he was the one
Electronics Forum | Fri Jul 14 04:02:28 EDT 2000 | JohnW
Gees Dave..that's what I call a list tell me you never typed it all??..think the only thing missing is to make sure you build it the right way up!... So sound's like I've been sused by my collegue then..no more quiet day's sleeping at my desk I feel
Electronics Forum | Thu Jun 29 10:38:04 EDT 2000 | John Thorup
Hello Christopher I don't know if there is any kind of official standard but I can tell you that the HADCO DFM manual specifies a nominal thickness of 50-1500u" with an option for 100-1000u" and the Merix DFM manual specifies 30-200u" Our boards (fro
Electronics Forum | Fri Jun 23 09:36:58 EDT 2000 | C.K.
Chrys: Funny that you mention that, but here at my company, our oven is blamed on almost everything: skewing, tombstoning, solder shorts, etc.... In fact, we often have to tell the supervisors, "It's not the oven because we don't turn the skewing
Electronics Forum | Fri Jul 07 16:04:42 EDT 2000 | DONALD
We have an Ersa selective soldering machine here. We use the wire solder with the automatic feed. We dross and clean the pot roughly once a week. You can tell when it needs it by looking at the solder fountain. We do the nozzle at the same time. We c
Electronics Forum | Tue May 30 09:27:08 EDT 2000 | PhilB
More and more PCB fabs are switching from chemical copper to what is called a "black hole" process from McDermitt.In this process a very thin layer of carbon is put on the base material instead of chemical copper. Can anyone tell me about the advanta
Electronics Forum | Wed May 17 16:48:06 EDT 2000 | rwilliams
The smt world is new to me and I have a lot of learning to do. I need some recommendations as to best way to ship partially assembled circuits. The board is question is double sided. One side is smt and the other is thru hole. Our plan is to have th
Electronics Forum | Mon May 15 13:55:00 EDT 2000 | Aldo
We are in the process of researching manual or low cost automatic Tape and Reel equipment. I have heard about V-tek and Systemation. I would appreciate if someone can tell me any problems or virtues of theses two brands that have been experienced. Al
Electronics Forum | Tue Apr 04 07:46:03 EDT 2000 | Donnie
Neil, We currently use only visual inspection with a magnified lamp and actually brush the board after the wave process to help knock off any solder balls. You wanna use an ESD sensitive brush material. Camel hair is what we use. It works real wel
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