Electronics Forum | Fri May 11 10:30:26 EDT 2001 | rkevin
I am looking for info. (pro and con) and/or 1st hand knowledge processing PCB's with Immersion Tin finish through SMT and Wave. Do profiles need to be different? Solderpaste considerations? Anything else? In the past I have experienced selective non
Electronics Forum | Tue Nov 27 20:05:31 EST 2007 | shy
Dback, Current method is by using dispenser machine to dispense the glue at PCB. This non-wetting is randomly and not repeating to the same location. My adhesive height is 0.01" to 0.035". Is this will cause the component to had a gap between the t
Electronics Forum | Tue Dec 04 10:30:16 EST 2007 | slthomas
Q: The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in reflow? A: Yes, but somebody here don't agree with me that the glued part need help from wave to get the good wetting. They are wrong
Electronics Forum | Mon May 14 09:24:36 EDT 2001 | rkevin
Can anyone shed some light on this for me ? Subject: Soldering to Immersion Tin surface finish I am looking for info. (pro and con) and/or 1st hand knowledge processing PCB's with Immersion Tin finish through SMT and Wave. Do profiles need to be di
Electronics Forum | Thu Mar 25 08:25:20 EST 2004 | Just another guy with Trouble
I need a source to get several thousand SMT ICs re-tined, does anyone know of anyone that can do this for us. the parts are in tape and reel and will need to be repackaged also. We are in a bind the part itself is an end of life component and these w
Electronics Forum | Wed Apr 06 11:58:02 EDT 2005 | patrickbruneel
Hi SMT Engr With a double-header connector do you mean Double Level Right Angled Header Connector. If so there is a big difference in heat sinking capacity between the two rows, as where the pins of the top connector absorbes twice as much heat as t
Electronics Forum | Thu Nov 29 22:38:05 EST 2007 | shy
Hi Dback, Yes, i'm open "dog bone" aperture for my chip component. this is to prevent solder ball issue. For fine pitch i'm opening square with full length and half width to prevent bridging. Btw, if "dog bone" is not for chip component, what is your
Electronics Forum | Mon Feb 21 03:51:37 EST 2005 | abhirami
Solder paste thickness control is more important in SMT process. What controls do you have? I guess if everyone follows the critical control path, then there are always reduced problems. The issue is no one is perfect. Paste tends to be on the stenci
Electronics Forum | Wed Oct 03 23:58:23 EDT 2018 | gaintstar
Flason SMT News: http://www.flason-smt.com/new/6-Things-to-Check-Before-Submitting-Your-PCB-Design-for-Manufacturing.html http://www.flason-smt.com/new/about-wave-soldering-machine-tin-pot.html http://www.flason-smt.com/new/Advantages-of-Design-for-
Electronics Forum | Mon Mar 30 07:41:06 EST 1998 | Earl Moon
| Hi, | We have encountered de-wetting issues with gold plated components( SMT LEDs ). | The problem comes and go and we yet to locate the root cause ( process, component or solder paste etc ). | The rest of the components on the boards are not havi
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