Electronics Forum | Tue Jun 01 16:42:48 EDT 1999 | Scott S. Snider
| After lots of years with Panasert machines, I am starting to need to learn again. | 1. For the AP-20 can you retrofit 3D vision? Would you bother? | 2. Also for the AP, can you use 20x20 DEK screens with an adapter? | | Thanks to all you MPM expe
Electronics Forum | Fri May 28 07:37:52 EDT 1999 | Steve Cheung
Yes l know this problem keeps cropping up on the forum but l've missed some of the follow-ups. Our problem is that the lifting only occurs on 3% of production so actually detecting an improvement is difficult. We're actually having to inspect 144 p
Electronics Forum | Thu May 20 11:55:04 EDT 1999 | Parvez
hi everybody, We've been doing some studies on assembly of CSPs. We assembled these packages on micrivia-in-pad patterns. These are 15/13.5/11 mil pads with 6 mil design microvia, using photo/laser/plasma tech. We are seeing voids, as big as the micr
Electronics Forum | Wed Oct 03 13:48:42 EDT 2001 | rocco
hello every body !! We are assembling a new product with some kind of components like (soic)but this component has a metalic surface under the package that works like pin,is a ground terminal,and in the PCB you can see a pad, among the other pads,so
Electronics Forum | Mon May 03 09:42:45 EDT 1999 | Mike McMonagle
| Tombstoning 0805s w/palladium/platinum/silver terminations | | We are experiencing tombstoning problems on 0805 packages that have paladium/platinum/silver terminations. It comes & goes...... | | I�ve checked the reflow profile, and paste deposi
Electronics Forum | Tue Apr 27 13:33:29 EDT 1999 | JohnW
| Has anybody had experience wavesoldering 1 watt 2512 resistor packages?? I know it can be done, but are there reliability issues? | | We are in the middle of a new product and the question was posed to me "Can we use 2512 1 watt resistors on the
Electronics Forum | Sun Apr 25 10:28:46 EDT 1999 | Joe Cameron
Hello all, Been doing some comparisons on joints made using the soldering iron versus reflowed solder paste (on a QFP package). The difference is quite significant: the joints made by the soldering iron are inconsistent and in many cases not filled
Electronics Forum | Sat Apr 24 04:41:56 EDT 1999 | Murray Pulman
Dear C.K We are routinely wave soldering 0603 and sot23 on subcontract, hence we get what we are given!!. Being UK based we use a Blundell cms 400 dual wave soldering machine (made in Coventry), Tecan Stencils and Loctite 3612 adhesive. You must k
Electronics Forum | Fri Apr 16 19:02:39 EDT 1999 | Dave F
| While trying to sell me a low temperature baking system for SMDs the salesman mentioned that the 125C for 24hr bake had been known to cause co-planarity defects. | I thought I'd ask some experts. Any help guys? | Gerry: I imagine there could be s
Electronics Forum | Fri Apr 16 19:52:39 EDT 1999 | Scott McKee
| While trying to sell me a low temperature baking system for SMDs the salesman mentioned that the 125C for 24hr bake had been known to cause co-planarity defects. | I thought I'd ask some experts. Any help guys? | Let me get this straight... He's
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