Electronics Forum | Thu Jun 23 08:58:00 EDT 2005 | Irene Taylor
We are defining a new assembly process for a double sided card that has 26 BGAs on the top side and 14 BGAs on the bottom side. We currently have one double sided BGA board with one BGA per side and have to epoxy one BGA (35mm X 35mm - 352 ball count
Electronics Forum | Fri Jul 08 10:08:12 EDT 2005 | fctassembly
Dear Hiram, Thanks for your interest in SN100C. FCT Assembly is a licensed manufacturer of SN100C from Nihon Superior for North America. We have the alloy in 5 application labs- FCT (CO), Vitronics (NH), Technical Devices (CA), Electrovert (MO), and
Electronics Forum | Fri Jul 15 16:50:04 EDT 2005 | davef
Few of us here on SMTnet fabricate our bare boards. Most of us are assemblers. So, the solderability of the connections of our boards is a BIG issue with us. Our suppliers protect the solderability of the copper by coating the copper to limit the
Electronics Forum | Sat Jul 16 16:21:56 EDT 2005 | Mark
Should solder paste be placed back in the refrigirator after use? If so, is there a limit on how many times we may take it out and re-refrigirate it? After receiving solder paste, it is put away in the fridge. Then, removed a few hours before use
Electronics Forum | Thu Aug 11 08:23:29 EDT 2005 | jbragg
Hi Peter, I'm not sure where you're located, but I work for Celestica in our Component Failure Analysis and Reliability Testing Lab in Toronto Ontario Canada. We are an idenpendent lab with full FA component, assembly and PWB capabilities and would
Electronics Forum | Fri Aug 12 03:54:03 EDT 2005 | Mika
Does the pcba:s comes directly from the assembly line, You are going to do rework on? If faulty pcba:s comes back from, let say a customer from outside or the pcba:s has been on Your shelf for some days/weeks, exposed to open environment (humidity in
Electronics Forum | Thu Aug 25 08:54:24 EDT 2005 | stepheniii
Could it be cold solder? Are there parts nearby that might be soaking up lots of heat, or maybe lots of internal grounding near that corner? Once I saw something similar except it was on two different assemblies. Each time it was on the side of the
Electronics Forum | Thu Aug 25 10:32:03 EDT 2005 | davef
IPC-2221A, Generic Standard on Printed Board Design, the base document that covers all generic requirements for printed board design, regardless of materials. From there, the designer can choose the appropriate sectional standard for a specific techn
Electronics Forum | Thu Aug 25 16:50:13 EDT 2005 | Mark
I have an application that requires soldering pieces of metal (copper plate and copper fins to make a heatsink). Each piece is about 1 lb. I cannot test it in our reflow oven (5 zone) since the piece is about 3" in height. Has anyone attempted to
Electronics Forum | Fri Sep 09 13:27:28 EDT 2005 | Denis
Hello, I'm not sure if this is the right place to post this. I am looking for a place that would do surface mounting for me. I have the PCB already made and I have the SMT chip. I have tried soldering it with a solder gun, but I think I burnt out
