Electronics Forum | Thu Feb 15 16:58:11 EST 2007 | flipit
Phil, I used to print solder paste on 2" X 2" and 3" X 3" 96% Alumina substrates all the time. I used standard solder printers and stencils. Screens are difficult to use and don't print well. You can use a stencil on a DeHart, CW Price, or AMI Pr
Electronics Forum | Fri Apr 29 08:26:32 EDT 2016 | proceng1
What info on the process would you like to know?
Electronics Forum | Tue Jun 07 12:40:34 EDT 2016 | sumote
Thank you! Very nicely done.
Electronics Forum | Tue May 03 15:10:24 EDT 2016 | proceng1
These were strictly SMT boards, so no preheat was required. It was interesting watching the output from the thermocouples since the board was essentially in 3 oven zones at once. I had over 110C delta end to end. The boards were 48" long, but only
Electronics Forum | Thu Jan 14 10:59:00 EST 2016 | davef
Don't forget to post your equipment "wants" in the SMTnet Equipment Mart http://www.smtnet.com/parts/ ... ... used equipment-types are more likely to look there than the Forum
Electronics Forum | Tue Feb 23 09:26:34 EST 2016 | tombstonesmt
Good to hear! Never dealt with an assembly that large. 24" is the longest we've built. One issue we encountered was bowing due to the vacuum seal being too tight. Bowing caused transfer issues between conveyors and equipment. -TSS
Electronics Forum | Thu Apr 28 17:00:28 EDT 2016 | thejedeye
That is a large board, maybe some supports to help with bow. http://www.nozzleforled.info/ezload-pcb-support-modules.html
Electronics Forum | Thu May 19 15:59:37 EDT 2016 | mmjm_1099
Curiosity is killing me... What printer and pick n place machines are you using?
Electronics Forum | Fri May 20 07:17:42 EDT 2016 | proceng1
A modified Samsung SM482 and a heavily modified tabletop printer.
Electronics Forum | Fri Jun 03 09:27:29 EDT 2016 | sumote
If it will not violate your company rules, or generally get you in trouble. Can you post up a few pictures, or possibly a video?
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