Electronics Forum | Sun Jul 26 22:35:55 EDT 1998 | D.Lange
Masdi, Try board shunts. They are hi-temp rubber strips with grooves cut. They can be popped on and off with ease and are much faster than taping and considerably cheaper. They also work great for masking goldfingers prior to wave soldering. Contac
Electronics Forum | Mon Jul 27 13:41:56 EDT 1998 | Chris Fontaine
Steve, We do a lot of hand spray conformal coating and have had much success. We have had much experience with Humiseal 1A20 Urethane. Acrylics are easier to work with but may not stand up to your environment. I don't have any experience with sili
Electronics Forum | Fri Jul 24 12:02:06 EDT 1998 | Steve Gregory
Stoney, One thing you might do before you start dispensing epoxy, (...I know this might be a bit of a pain) is to run your boards on the mesh belt instead of the edge-rail conveyer. I used to have to do that with some very,very dense double sided mem
Electronics Forum | Fri Jul 24 13:45:12 EDT 1998 | Bob Willis
Yes you need solder paste for BGA. Have a look at the Free BGA documents on my home page which you can download. They cover design, rework, and general assembly www.bobwillis.co.uk | My firm has just begun it's first PCB that will use BGA packaging.
Electronics Forum | Wed Jul 22 13:50:49 EDT 1998 | Justin Medernach
| My firm has just begun it's first PCB that will use BGA packaging. I have been reading up on the processes involved with BGAs and was wondering if you need to apply solder paste to the pads prior to applying heat and mounting the part to the board
Electronics Forum | Thu Jul 23 13:11:13 EDT 1998 | Gestapo Allen
I think that in general it's best to deposit paste in order to increase the part standoff. This helps improve the fatigue-life of the joints by providing more strain relief. But I know from experience that it's tough to deposit paste during the rew
Electronics Forum | Tue Jul 28 16:37:24 EDT 1998 | Terry Burnette
| I think that in general it's best to deposit paste in order to increase the part standoff. This helps improve the fatigue-life of the joints by providing more strain relief. But I know from experience that it's tough to deposit paste during the r
Electronics Forum | Mon Jul 20 15:11:34 EDT 1998 | Scott McKee
| QFP's are best left the professionals. There are MANY subtle issues with fine pitch lead forming such as critical tool design issues ability to check critical dimensions etc. Unless you want to replow this grown in hopes of getting a promotion or
Electronics Forum | Fri Jul 10 12:22:37 EDT 1998 | Ben Salisbury
| We are looking for spare hard drives for the Fuji MCS computer. I believe this is an MFM drive. Is this correct? Where can these drives be found? | Thanks. I was going through the archives and came accross this one...no answer...probably too lat
Electronics Forum | Fri Jul 17 17:05:26 EDT 1998 | Rin OR
| I am looking for a chipshooter capable of installing tape fed smt parts on tape up to 32mm. Chipshooter speed on 8mm components must be a minimum of 12K per hour. Reliability, customer service and price are the gating issues. Please help me make
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