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 | Fri Jan 23 07:20:12 EST 1998 | Chris Chorley
What is the lifetime for a typical solder paste ? How long can boards be stacked waiting before the paste goes off ?
Electronics Forum | Tue Mar 20 03:48:06 EDT 2007 | chrissieneale
Already figured i would do that if it came to it - still planning my approach, which will hopefully eliminate this whole 'waiting after pasting' nonsense anyway. Suggestions very welcome though, as it may well get to the test and see stage! Cheers
Electronics Forum | Thu Mar 31 08:50:18 EDT 2011 | rgduval
While you're waiting, consider giving your paste manufacturer a call. They should have a database of recommended, or starting point profiles based on what oven you have. cheers, ..rob
Electronics Forum | Sat Jan 24 00:13:57 EST 1998 | Scott
| What is the lifetime for a typical solder paste ? | How long can boards be stacked waiting before the paste goes off ? Lifetime and tack time depends on: - Manufacturer - Flux/mixture - Environmental conditions Typical lifetime is dependent on stor
Electronics Forum | Fri Aug 26 22:12:27 EDT 2005 | iwan
Folks, I have been trying to get information about Malcom SP2 Solder Paste Softener spin speed from Internet and still waiting from supplier. Does anybody know about that one spin speed info? Also how to determine spin time to get a good paste base
Electronics Forum | Fri Feb 20 14:33:47 EST 1998 | Dave McFadyen
Looks like (so far) we have a concensus. Follow the paste manufacturers guidelines on storage. Normally, refrigeration is required to achieve max shelf life between 3 and 6 months in original closed container. Water-wash pastes are much more active t
Electronics Forum | Wed Jan 27 10:03:39 EST 2016 | mjscottinnc
Through trail and error we figured that out the Ethernet connections from the MC to SC. We have gotten past the Software booting wait and are now waiting to connect to Siplace Pro. The machine came with no documentation other then what the service te
Electronics Forum | Fri Mar 16 06:36:35 EDT 2007 | realchunks
Hi Chris, You should check your data sheet from the paste manufacturer, but the bottom line is, does this wait step cause any quality problems? If not, then it's a hard argument to say this is a bad practice. Next you may want to find out why th
Electronics Forum | Wed Sep 21 01:51:32 EDT 2005 | hly
Cognex board is bad. Waiting to get a replacement. Thanks for offering to help
