Electronics Forum | Tue Aug 27 08:12:35 EDT 2002 | jmaruska
Do you have some experience with solder paste WS1208. What is the "best" conditions for printing process? I mean type of stencil, apertures, squeegee. Do you have original data sheet of this solder paste? - life time, working time on the stencil, sh
Electronics Forum | Wed Dec 15 08:15:10 EST 2004 | pjc
UP78 is an old product. Data sheets are no longer posted on the web site. OM-5100 is the replacement. Try calling tech support and they should e-mail you the UP78 data sheet that will show the profile curve. Jersey City, NJ Tel: 201-434-6778 http://
Electronics Forum | Sun Feb 06 12:03:32 EST 2005 | dhanashekar
can some one give me some suggestion to solve the problem. we are using cooksun/alphametal rma9086 paste for our screenprinting. after the reflow we see lot of solder ball on the board. we have maintained the exact profile given by the manufacurer. w
Electronics Forum | Sun Feb 06 12:04:06 EST 2005 | ddhanashekar
can some one give me some suggestion to solve the problem. we are using cooksun/alphametal rma9086 paste for our screenprinting. after the reflow we see lot of solder ball on the board. we have maintained the exact profile given by the manufacurer. w
Electronics Forum | Mon Feb 28 08:06:49 EST 2005 | davef
You'll be able to tell pretty soon if this will work. * Our bet is the epoxy will corrode the silver. * Another concern is that you're not fusing the silver to the copper. Why not ask the imm silver suppliers: * Alpha Level Silver [ http://www.al
Electronics Forum | Thu Jun 16 08:31:15 EDT 2005 | jh0n!
The most part I have the most difficulty with is a 16mil QFN. We found that reducing stencil thickness to 4mil, and reducing aperatures for the IC by 20%, and setting local fiducials to the IC helped immensely. We used to get 75% or more bridged ou
Electronics Forum | Mon Dec 12 16:08:37 EST 2005 | pjc
Here are some guidlines: http://www.tkb-4u.com/articles/printing/stencildesignguide/stencildesignguide.php www.indium.com/documents/applicationnotes/97742.pdf http://www.electronics.ca/standards/general/IPC-7525.html http://www.alphametals.com/pr
Electronics Forum | Mon Jun 14 21:22:16 EDT 2010 | mag10
does anyone have experience with SACX0107 solder from Alphametals in Wave compared to SN100 or SAC305? I see better price and good features like less dross. However, the alloy looks like non-eutectic and it has 10 degree difference between liquidus a
Electronics Forum | Thu Jun 18 13:56:39 EDT 1998 | No Friend Of Alpha
So my salesman says to me that we could return our unneeded Al frames from our MPM printer to Alphametals in CA for credit to be applied toward a future sale. Sonded good. So I boxed up all the damn frames (44) and shipped them off to Goofyland. Now
Electronics Forum | Thu Aug 13 21:58:14 EDT 1998 | Alpha Guy
When things go wrong (see below) it can usually be attributed to a communication problem. This is exactly the issue with this case. A meeting has been held and corrections have been made with no hard feelings. However, another call rather than a
