Electronics Forum | Wed Feb 04 09:21:09 EST 2009 | rameshr
Dear Sirs, We are looking for a quality/EHS approved vendor/make/part for safety products - gloves ,glasses for the following applications, 1.SMT Sceen printing Operator. 2.Reflow & Wave Soldering Operator. 3.PCB Cleaning. We would like to get detai
Electronics Forum | Thu Mar 12 13:20:07 EDT 2009 | ck_the_flip
Before anyone tells me to search the fine archives, I already did! I typed Sn100c and Reflow, and nothing came up. Anyway, any of your folks out there run Sn100C across the board - Reflow, Wave and/or Selective, and Hand-Soldering? If so, please p
Electronics Forum | Fri May 01 06:49:31 EDT 2009 | davef
minimum space between selective wave soldering pallet's opening to the nearest PTH or SMT pad? * http://www.agicorp.com/pdf_files/Designguidelines903.pdf * http://www.datumdynamics.com/resources/dfm_wavesolder.html?PHPSESSID=a73b3bc8bbd55519bffbb68
Electronics Forum | Fri May 22 16:16:36 EDT 2009 | pjc
Electrovert's studies for Hot Air de-bridging Knife (HAK) for Pb Free alloys have shown it to be ineffective. When its hot enough to do the job, you're damaging the board, cooling it down to prevent damage is not hot enough to de-bridge properly. Ya
Electronics Forum | Mon May 11 12:50:55 EDT 2009 | stepheniii
What is the purpose of glueing it? If it is glue the bottom side parts followed by reflowing the top side parts followed by wave soldering the bottom side parts, then it's easy to measure. Hold the board with the 0603s facing down. If they don't f
Electronics Forum | Wed May 27 13:24:51 EDT 2009 | ck_the_flip
These are becoming extremely popular at my company. I have searched the SMTNet archives and found this: http://www.smtnet.com//forums/index.cfm?fuseaction=view_thread&CFApp=1&Thread_ID=7575&#Message30119 Has anybody used other attachement methods?
Electronics Forum | Mon Aug 24 03:59:26 EDT 2009 | hurr
Hallo Joanne, I had employed by producer of Ecofrec 303. We make many tests of corrosion and conductive test in our company. All results of this tests was OK . Vast majority correspond mil standarts. When I ask my labor assistent in BRY, white residu
Electronics Forum | Wed Sep 09 08:25:40 EDT 2009 | davef
We understand that you have boards in production that you need to ship. In the future, you could eliminate your moisture caused blow hole issue a lot more simply than baking. Consider requiring that your board fab plate the copper thickness of throug
Electronics Forum | Thu Dec 17 03:55:41 EST 2009 | tod1967
Inspect your dispensed or printed adhesive deposits 100%, make sure your Pnp gives 100% 1st time placement and your cure is adequate. Conveyor or manual brd transfer can also be an issue. usually is in the process. Hopefully your following Loctite
Electronics Forum | Mon Jun 14 15:18:49 EDT 2010 | jmedernach
Hi Phil, If the areas that are "turning gray" are masked, it would lead me to believe that you're simply oxidizing the SnCuNiGe finish on those areas. It's unsightly but not an actual defect. I think it's simply the biproduct of using SN100C as a s
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