Electronics Forum | Tue Feb 06 13:02:36 EST 2001 | kmorris
Hi all: We are seeing "solder webbing" on the bottom side of some of our PCBs after wave solder. The solder is sticking (like a spider web) to the solder mask on the PCB. This is only happening on 2 of the many PCBs we wave on that machine. Both o
Electronics Forum | Fri Aug 16 02:04:19 EDT 2002 | jojojameson
Our company as a group is known as NeST Group of companies.We started our activities in the feild of electronic manufacturing in the begining of 90's.Now we have operations in all range of activities in software development,hardware design & manufact
Electronics Forum | Wed Feb 07 21:45:06 EST 2001 | davef
Since, 1996, Samsung has been the sole supplier of Quad component feeders. And I believe Samsung is the developer and producer of Quad�s Meridian placement machines. Quad has been fighting with Samsung for over a year [http://www.quad-sys.com/inves
Electronics Forum | Thu Feb 08 07:57:33 EST 2001 | CAL
DAVE F. Far be it for me to correct you, it is not my place. I just want to Calibrate your GPS a little. The short and sweet version- Quad was to sell Samsung machines under a private label. All was ok until Quad released a machine to compete with Sa
Electronics Forum | Wed Feb 07 09:46:20 EST 2001 | pjc
I need some guidance here. I've got a new board w/ a FBGA-48 package, Samsung CMOS SRAM. It's a full matrix BGA w/ 0.30mm-0.40mm ball diameter @ 0.75mm pitch. Balls are eutectic. PCB land diameter is 0.4mm. There are TSOP I 0.5mm lead pitch component
Electronics Forum | Fri Feb 09 20:05:15 EST 2001 | benefid
The ENIG process will yield between 3-7 micro inches (110 - 275 microns) of gold over the nickel barrier. This thickness range is pretty much the limit as this is a self limiting displacement reaction process. Once all surface nickel ions are repl
Electronics Forum | Fri Feb 09 19:30:46 EST 2001 | Adam
Does anyone know a simple PCB design program, for single and double sided PCB's? I am looking for a simple to use PCB design software for Win9x or NT for small home projects. Something like "Express PCB" at: http://www.expresspcb.com but with "rats-n
Electronics Forum | Mon Feb 19 18:57:49 EST 2001 | davef
Expanding on the limit of the portion of gold acceptable in a solder connection [mentioned in an earlier post]: The embrittlement culprit, AuSn4, is 29 weight percent gold. So even if one had 100% tin as the solder alloy and 10% gold were dissolved
Electronics Forum | Mon Feb 19 01:59:15 EST 2001 | dadi
I'm looking for a Transtarent & Non-Transparent PCI-to-PCI bridge that compliant with the Compact PCI Spec. This bridge must have the ability to be configured as Transparent or Non-Transparent. I aware to one chip that have those abilities. This chip
Electronics Forum | Wed Feb 21 14:40:44 EST 2001 | billschreiber
Hello Mark, As with any cleaning process, there are a number of variables that will affect the cleaning of adhesives with a Smart Sonic Stencil Cleaner: brand of adhesive, concentration of cleaning chemistry, temperature of wash solution, etc. Both
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