Electronics Forum | Fri Aug 01 08:10:29 EDT 2008 | scotceltic
Has anyone come across a standard or study (JEDEC, IPC) where it has the recommended shelf life outside of a dry box for immersion silver coated PCB's to prevent oxidation from affecting the soldering process (Both reflow and Wave). I know it will
Electronics Forum | Mon Nov 09 06:27:17 EST 2015 | rushpcbuk
I would recommend: http://www.rushpcb.com This is without any doubt the best source of low cost pcb with great quality and fast delivery. Steve
Electronics Forum | Mon Nov 19 02:33:26 EST 2018 | davis
Hi Tushar, I used http://www.pcbnpi.com for over 2 years. They can provide PCB prototype, PCB assembly, and stencil service. Prices are affordable! Very professional and I can rely on them and they always come through. So I highly recommend to you!
Electronics Forum | Thu May 18 08:32:02 EDT 2000 | Nancy V
Janet, I like Dave's advice. I would send you first to www.smtmag.com They have articles there that give the basics of SMT. Look for the button that says "Step-By-Step SMT." It will give you a touch of what your in for. Then find a good book. I
Electronics Forum | Wed Nov 23 19:50:23 EST 2016 | gmscribe
Hi guys, I'm working on a design involving a 223-pin BGA with 0.5mm pitch (ball size 0.3mm) with a 16-bit DDR3 controller involved. Currently routing a track between two balls is resulting in a track width of 0.1mm and a spacing of 0.077mm. Now the
Electronics Forum | Tue Oct 11 11:54:36 EDT 2011 | Shean Dalton
There are aerosol spray on flux removers that contain Trichloroethylene. There are also many other flux removers on the market. Recommend you explore more options. To help get an answer quickly, you can contact Zestron, Kyzen, Petroferm, etc; an
Electronics Forum | Mon Feb 09 06:56:39 EST 2015 | saoasasd
What is the maximum PCB shelf life for double side PCBs after first reflow? I mean, after assembly bottom side, how long can I keep the PCB without solder paste waiting for the second reflow? (Considering exposure on production environment conditions
Electronics Forum | Wed May 02 06:28:26 EDT 2007 | LC
In our first run, we actually followed the solder paste recommended profile then we were told to use the BGA recommended one. When we had the 2nd run we still got the same problem. We're using Kester 909HPS (lead free) and ENIG boards. Thanks.
Electronics Forum | Tue Dec 09 10:04:36 EST 2008 | lazzara55
SMT-ypw: Does PWB supplier start to implement PWB drying packaging? B3: YES! The fabrication of the PCB involves a series of wet processing that requires counter-measures to remove moisure. While some of the PCB processes also include bake cycles th
Electronics Forum | Tue May 01 07:38:11 EDT 2007 | realchunks
You say the BGA recommended profile? Or did you mean the solder paste recommended profile? I would use the solder paste profile over a parts recommended profile any day. You may need to create a hybrid of the two to get better results. What type
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