Electronics Forum | Fri Mar 30 23:09:30 EDT 2007 | mika
We have now ordered a another stencil with square apetures with 20% overprint just because it is so difficult to get the solder paste to stay on the pcb pads without to get it stuck within the apertures. We have set the print speed down, the separati
Electronics Forum | Fri Mar 23 23:26:40 EDT 2007 | mika
Hi, We are facing a complete new package type for us in our prototype production. RoHS LGA 36 Land Grid Array with 36 so called pads instead of bumps underneath. It is totatlly flat. This component is only 6.5 x 3.5 x 1.6 mm and we recieved them in a
Electronics Forum | Sat Mar 24 05:25:07 EDT 2007 | mika
Thanks aj, Ohh I wish that there was a way to post a picture in this forum or a possibility to attach the datasheet... Which BTW does not have any recommendation of "how to". This package does not have the "center thermal pad" like a QFN or MLF pack
Electronics Forum | Thu Mar 15 21:57:41 EDT 2012 | daniel26
On your mount data it has to go 8,7,6,5,4,3,2,1 once it goes to a higher number then the previous it has place and start over try that out
Electronics Forum | Tue Jul 30 03:57:29 EDT 2019 | SMTA-David
Hi, I am looking for software for 2003 model 1707 EXL reflow oven (HC1 controller). I believe latest version for that model is 1.0.6.5.8 (98 Win) or 4.0.2.1 for XP. Thanks
Electronics Forum | Thu Aug 03 19:49:16 EDT 2000 | Darby
I presume you have no vision alignment. Buy yourself a little monocular measuring microscope ( about $100 ). You are not going to get the registration you require between stencil and pcb for each print if you are running off tooling pins , edge clamp
Electronics Forum | Tue Mar 26 23:26:35 EST 2002 | ianchan
Hi Guys, (Note: We are not talking about bill-board RES/CAP, we are talking about Z-axis slant/tilted RES/CAP with respect to the PCB pad Z-axis plane). 1) We ref through the IPC-A-610C specification "bible", and can not find a "chapter/verse" tha
Electronics Forum | Thu Sep 03 12:36:11 EDT 1998 | davef
| We have an unusual problem here and I'm reaching for more input if anyone can help??? We are an OEM manufacturer of PCA's. After a history of consistent quality designs, we have one small memory SIMM that is causing major headaches for us and our P
Electronics Forum | Mon Mar 01 22:24:53 EST 1999 | Dave F
| It seems to be that we have to much NaCl left on our assambled PCB's. | The flux we use is from cobar. They say it can not be from the flux... So what can be the reason, what kind of problem may occer when there is to much NaCl. | George: When so
Electronics Forum | Mon Apr 19 11:21:03 EDT 1999 | Travson
| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185
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