Electronics Forum | Tue Mar 16 03:16:18 EST 1999 | Scott Davies
| | Can sombody help me with this?? When applying solder paste, what factors determine how high off the PCB the stencil is? We use no fine pitch devices. (mostly 603 and 1206 size components) Any help would be greatly appreciated. As you could probab
Electronics Forum | Tue Aug 26 17:50:52 EDT 2014 | dkrawchuk
Hi, We have some boards that we apply an underfill to a BGA. Some boards have underfill that covered the surrounding passives. The customer is concerned that the different expansion rates will damage the passives. Does anyone know of a company th
Electronics Forum | Wed Nov 17 11:36:16 EST 1999 | JAX
If this is going to be the beginning of a lucrative and fast growing company you probably want to go with Fuji ( CP series ) , it's by far the fastest and longest lasting. If money is a big issue at this time and you want to get the biggest bang for
Electronics Forum | Wed Mar 04 08:59:03 EST 1998 | Steve Gregory
Hello All, Just as a side note, we've got one in use in the PCMCIA line at the Technological Advancement Center lines here at NEPCON West 98...after watching it at work, I gotta say, I'm impressed! We're using it to inspect BGA, Micro BGA, 15.7
Electronics Forum | Sun Jul 17 23:45:04 EDT 2005 | adlsmt
Without knowing how much you use or what you use it for or what brand and which type, hard to say. In general, follow the Manufacturers recomendations. If you are doing precision work then use cartridges and let them warm up to room temp for a few ho
Electronics Forum | Mon Oct 22 11:47:59 EDT 2007 | brulal1
Thank you guys for your help, I do not clean any on my assemblies who are build by the SMT an wave soldering department, we do used liquid fluxes Kester 951 and cored wire keester 245, usually it�s for batteries connector, led, terminal and wire rap
Electronics Forum | Tue Mar 15 08:02:36 EDT 2011 | davef
Yes, you can reflow solder SMT parts with pads designed for wave soldering [including 1206] providing that you design your stencil apertures properly. It's a momma, poppa, baby bear situation. * Wave solder sized apertures will put too much paste on
Electronics Forum | Fri Apr 29 19:39:58 EDT 2011 | jbaez1
Hi, have somebody out there experienced problems picking up passive components with flexjet head FJ7P?? Just 1 nozzle-spindle is failing, trying to pickup a resistor,cap or diode; I have already changed nozzle tip, nozzle adaptor including springs,va
Electronics Forum | Fri Feb 09 14:04:22 EST 2018 | ameenullakhan
Hi Justin, The solder paste we are monitoring well. And there is thawing machine to make sure solder paste is not opened early, before it reaches its ambient temperature. we have got a suggestion that , it might be from PCB enig surface finish. Mig
Electronics Forum | Fri Dec 13 10:33:27 EST 2019 | ameenullakhan
Dear Dave, We cant change the solder paste. Its a for defense and aerospace projects. Customer won't agree on it . We have major issue in ROL0 Flux classified solder paste. cannot go for aggressive flux chemistry. So need a good method to hold th
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