Electronics Forum | Thu Feb 04 01:34:51 EST 1999 | Joe Cameron
Hello all, Are BGA's easy to develope shorts? If a process is stable and all of a sudden you get BGA's shorting out on you, what might be problems? We've checked our solder paste amount, and we've rechecked our reflow profiles and nothing has chan
Electronics Forum | Thu Apr 29 19:52:32 EDT 1999 | WinTech mfg
I would like to know if there is any good training for Hand Soldering, Component Identification, Wave Soldering, and so on. I have seen two diffenent tapes and they were short and poorly done, I would like to buy some if I knew it had some good Trai
Electronics Forum | Sun Feb 06 12:03:32 EST 2005 | dhanashekar
can some one give me some suggestion to solve the problem. we are using cooksun/alphametal rma9086 paste for our screenprinting. after the reflow we see lot of solder ball on the board. we have maintained the exact profile given by the manufacurer. w
Electronics Forum | Thu Mar 02 13:04:22 EST 2006 | Chunks
0603 parts at .2mm spacing is pretty easy. But are there any other parts, like fine pitch QFPs? Is your board HASL or something else? Is there resist/mask between all pads? If it's just 0603's at .2mm, then you can probably go 7 mils and get good
Electronics Forum | Thu Dec 17 06:22:37 EST 2015 | sarason
AN inductor probably 22uH 5A. Check a TDK catalogue http://en.tdk.eu/inductors Another approach is identify the power control IC next to it and look up the App note associated with it, 9 times out of 10 it will be the same as recommended. Are you s
Electronics Forum | Tue Dec 18 08:08:09 EST 2007 | itwasbill
Hi all, How can I convince my equipment purchasing supervisors that to properly solder BGA's a 7 zone oven would be far superior than a four zone? We currently own a 4 zone oven and I'm fearful that the BGA will not get adequate heat for solder
Electronics Forum | Thu Nov 02 07:30:13 EDT 2017 | jamesbarnhart
Hey Shonen... I don't think so there is any comparison of any company with BEST Inc. BEST Inc., which is short for Business Electronic Soldering Technologies, is a professional solder training company that certifies both instructors as well as techni
Electronics Forum | Thu Dec 14 19:38:28 EST 2000 | Dave F
OK, now let me ask the really dopey question ... so if the irregularity of the HASL surface is punching holes in the thermal gasket and causing shorts to the heat sink, why are you putting solder on that surface? I wonder how the thermal conductivit
Electronics Forum | Tue Jun 15 11:20:34 EDT 2004 | Vic
Hi Guys, Can you give me a good bird's eye view in Verifying First Off via ICT Test. We currently verify our first off via naked eye for just the solder joint quality, orientation of parts etc. Aside from open and shorts, what can ICT verify? how c
Electronics Forum | Fri Mar 30 11:04:24 EST 2001 | genny
We are already using ICT on the PCB, which should catch most missing components, also components installed backwards, or the wrong value(to a point - we do RF so we have lots of very small value caps and inductors which can't be measured), and in som
.gif)
