Electronics Forum | Thu Apr 09 00:35:06 EDT 2009 | padawanlinuxero
Hello! I am in a little problem, theres a problem in one of the components, is a new component that we are working with the leads are tin coated, and after we solder in the reflow oven, with lead solder, we took them to do a some test and on a cros
Electronics Forum | Sun May 10 07:13:38 EDT 2009 | vtech
Hello I would like to know is my decision correct to purchase the following SMT machines for manufacturing of computer Ram modules and Computer Motherbaord. FUJI XP142E PICK AND PLACE FUJI IP3 PICK AND PLAC ELECTROVERT OMNI 7 REFLOW OVEN Also pleas
Electronics Forum | Thu May 28 09:28:30 EDT 2009 | rgduval
Craig, We currently have an older Heller 1800 and quite like it in production. It easily handles our lead free products, and has enough flexibility to handle both heavy boards and lighter boards. Thermal profiling is relatively easy. I'm told the
Electronics Forum | Wed Aug 05 23:02:09 EDT 2009 | mrduckmann2000
Help! We are havin issues installing the new Linear Tech LGA118's. We are installing 17 of these beast per assembly, the problem shorting? Any ideas? Linear Tech is usless, they blame heat, not a big enough reflow oven, moisture, part disty's...e
Electronics Forum | Sun Aug 23 11:42:01 EDT 2009 | ysutariya
Hi Dave, I haven't tried the Probimer yet, but the Taiyo ink didn't hold up too well. As a PCB fabricator, finding a white soldermask that has good trace coverage and survives 4X solder immersion (HASL) is like the holy grail of white soldermask.
Electronics Forum | Thu Mar 11 03:03:26 EST 2010 | grahamcooper22
Hi , Looking at your photo....can I also see a hole in the middle of the joint on the chip component ? Maybe its not just a problem with th ejoint son diodes ? Did you also get mid chip solder balls on chips? If so, I'd almost guarantee the pcb has t
Electronics Forum | Tue May 25 18:07:22 EDT 2010 | jlawson
Vacuum Soldering is mostly available with Vapor Phase Soldering systems as a option. Asscon / IBL / Rehm Thermal all offer this... Rehms system is unique as they offer in place solder and vacuum vs the other two vendors that move a PCB with Molten
Electronics Forum | Sun Jan 16 01:50:39 EST 2011 | leo83
Dear All, I am looking for a guide /book on PCB assembly using SMT(Middle range, not high speed) which i could use for selection of Machines. If their is any research report , i am ready to pay for it. Highly appreciate any inputs. Eg: What shoul
Electronics Forum | Fri Mar 25 10:50:01 EDT 2011 | grahamcooper22
3 deg / sec) then the flux can slump from the paste and solder is carried with it off the pad and will form balls. Finally, are your pcbs dry ? Pass a bare one through the reflow oven before you print any paste on it, let it cool and then process as
Electronics Forum | Tue May 10 15:44:24 EDT 2011 | davef
From your graph, we just don't see the the relationship between failures and relative humidity. Questions are: * What is the correlation between failures and RH? [We'd bet that the correlation between failures/RH and failures/temperature are 'similar
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