Electronics Forum | Wed Sep 08 13:09:40 EDT 1999 | Joe Wayt
Hello: We are using a Heller 1500S reflow oven to solder surface mount parts. Just within the last two weeks, the larger I.C.'s are moving while going through the oven. The parts are checked for placement before putting into the oven. When the
Electronics Forum | Tue Jun 22 09:54:55 EDT 1999 | Vic Lau
| | Since Vic posted me privately and asked for the SIR test parameters I spoke of in my other post, I thought I'd respond on the forum. | | | | Ok, here they are, per Joe Keller--Solder / process consultant AKA Manko..... | | | This SHOULD have r
Electronics Forum | Wed Apr 28 02:02:03 EDT 1999 | Joe Cameron
Hello all, I read about Steve's headache a few articles back and I'm really interested by his tip. However, I'm still wondering why square apertures release solder paste better than round ones. For the same volume of paste, the surface area of the
Electronics Forum | Sun Apr 25 09:45:13 EDT 1999 | Joe Cameron
Hello all, Our guys here still have some questions on the "optimized" profile which sees a more moderate ramp up straight to reflow temperatures versus the conventional profile which has a plateau at around 150 Celsius. If the optimized profile can
Electronics Forum | Wed Apr 14 20:25:24 EDT 1999 | Dave F
| I've just come back from Nepcon West and I'm just as confused about AOI as when I left. Is anyone out there really happy with their equipment and getting the results they expected? I would like to know about programming time and equipment reliabili
Electronics Forum | Fri Mar 12 23:05:37 EST 1999 | Joe Cameron
Has anyone got problems with their Fuji CP6* holders sticking and not indexing the nozzles? We find about 2 or 3 holders seizing up on us every two weeks or so. It's really frustrating, not to mention the damage it can cause on the machine and the
Electronics Forum | Fri Mar 05 18:09:38 EST 1999 | Earl Moon
| | We are trying to decide between a Contact Systems Model 3AV or a Multitronix Model DHM120 P&P machine. Any advice or feedback would be apreciated. | | | | Joe | | | Why not consider the Philips Topaz. The worlds number one seller in mid-range p
Electronics Forum | Wed Feb 10 18:17:46 EST 1999 | Earl Moon
| Hi, | | Has anyone found any significant differences on profiling using populated and unpopulated boards? Is it worth sacrificing a board to the profile gods? | | Joe | What's the cost of not doing it. In the same breath, why not wait for a sc
Electronics Forum | Tue Jan 12 15:04:40 EST 1999 | Earl Moon
| I have used conductive adhesives for some time now on thickfilm. Does anyone know of a really good conductive adhesive to attach flip chips to flex circuits? I would like to stencil print the adhesive to the substrate and then place the flips chi
Electronics Forum | Thu Dec 24 15:17:12 EST 1998 | Jim Mitchell
Phil - The C Series machines do not support adaptive pick. If you get a chance, take a look at the the Q Series product line from Quad. I think that you will be impressed. I worked with L&W for a number of years. There has been a great relationsh
