Electronics Forum | Tue Mar 16 08:38:59 EST 1999 | George Verboven (Process Engineer)
| | In the early days, we used screens made of stainless steel or polyester. Sometimes - after A period - the tension was not good, because A wire was broken. | | Later on we started to us metal stencils, glued in A polyester screen. even than we had
Electronics Forum | Mon Feb 22 14:21:14 EST 1999 | Rick Wyman
| | Hey all- | | | | My question is this: My stencil printer operator has said that he has to | | wipe our 6-mil stencil each pass to get the paste in the 20-mill pitch | | aperatures for a QFP to release well. We are using Amtech NC-559 type 3 |
Electronics Forum | Fri Feb 05 09:33:31 EST 1999 | Dave F
| | | Have any of you tested or plan to test your machines for Y2K compliance. I would be interested in what you did or what you plan to do. Which machines? What parameters? | | | | | | It seems that it could be a career limiting move to test wit
Electronics Forum | Mon Dec 14 14:16:52 EST 1998 | Clifford Peaslee @ SMTnet
| | While trying to access this web site you sent over 10 "cookies" A bit overdone, isn't it? | | | Ed, | lighten up, it's the holidays! Pack up the cookies and hand them out to your friends and loved ones.Eat all you can cause around here there a
Electronics Forum | Wed Jul 29 17:43:26 EDT 1998 | Steve A
| Hi, good friends | I found this site is so wonderful to learn SMT techniques meaningfully. | We now employ 3 Fuji GL-541 dispensors and raw material with Soma IR-120. but we found glue string casually. From my experience from trouble-shooting the c
Electronics Forum | Thu Jun 11 15:49:33 EDT 1998 | Steve
| | In our continued search for another flex machine, we reconsidered Philips | | Emerald (low Vol/high mix Mfg). We already have a CSM so it makes a little sense. Then the salesman started talking about the Topaz. The Topaz supposedly is "practicall
Electronics Forum | Thu Jun 04 09:25:21 EDT 1998 | Chrys
| | | Hello: | | | BACKGROUD: SMT components soldered on the top-side of boards that also require wave soldering have the potential to reflow during wave soldering. Reflowing these components during wave soldering is not good. It can cause cold jo
Electronics Forum | Wed May 27 14:35:52 EDT 1998 | Justin Medernach
| | R&D is currently designing a board with smt components on both sides of the board. They are adding a 16 pin IC Gull wing. on the bottom side of the board. I have asked for only caps and resistors to be placed on the bottom side. Is there a recomm
Electronics Forum | Tue May 19 17:49:47 EDT 1998 | Earl Moon
| | | Earl, | | | I admit that I missed your article since I seemed to have let my subscription to Circuit Fabrication Magazine expire. I am interested in your experience in this area. Is there a way to get a copy of your paper? Could you maybe po
Electronics Forum | Mon May 18 11:39:30 EDT 1998 | Earl Moon
| | We had some failures on an IC package that the manufacturer has put down to moisture inside the package, leading to popcorning. | | This seems a bit odd, the package is a PLCC 84 which is quite thick. I have only seen this problem on thin package
