Electronics Forum | Tue Mar 09 10:48:54 EST 2004 | cyber_wolf
I am not familiar with the VIP98, but I have worked with other BTU models for several years. As I have posted in earlier threads: there is absolutely no way to tell whether your profile is correct unless you attach thermo couples to your board and ru
Electronics Forum | Fri Mar 19 12:09:17 EST 2004 | Primus
I'm just getting more involved with SMT, as I've been a through-hole operator for years. But I don't understand how one could reflow SMT components AFTER the through-hole insertion and solder wave are finished. How does one print paste over a board w
Electronics Forum | Wed Mar 31 21:57:21 EST 2004 | pdeuel
Minor problem with rejected parts on a GSM C4 single flex head. UIC support was helpfull but I thought some of you may have encountered this problem and know what's the matter. We are rejecting 1 out of 3 SOT-63 parts. The problem is occuring to part
Electronics Forum | Sun Apr 04 10:16:16 EDT 2004 | cyclopsn
I'm involved in backplane manufacturing process. There are about 10 electrolitic capacitor assembled in my board.These capacitor are soldered using a selective soldering machine. My problem is that these capacitor will charged up and failed as short
Electronics Forum | Mon Apr 12 22:22:01 EDT 2004 | davef
Large voids are common in via in pad [seach the fine SMTnet Archives for earlier laments], especially in blind via. Observations on your via out gassing theory: * If the copper plating on your via is GT 1 thou, there will be no outgassing from the
Electronics Forum | Mon Apr 12 22:50:46 EDT 2004 | davef
For more information on flame retardents, try these sites: * http://www.bsef.com * http://www.firesafety.org For the summary of a study into flame retardants try: http://www.surrey.ac.uk/PRC/ IVF carried out an international study on alternati
Electronics Forum | Mon Apr 12 15:52:12 EDT 2004 | wgaffubar
I am using Indium 92J type 4 solder paste due to a BGA site with .008" pads and stencil opening of .009" square and .005" stencil thickness. When I try the type 3 we get insuffecient print. The aspect ratio tells me that I should be using a type 4. T
Electronics Forum | Thu Apr 29 11:07:03 EDT 2004 | arcandspark
You are right about the very poor support for smaller customers. I had told them we were looking for another paste and now they have sent the reginal manager and the US sales manager has come by to see what they can do for us. All they keep saying is
Electronics Forum | Tue Apr 13 21:33:48 EDT 2004 | qualitel
Hi Dreamsniper, It seen this is the major issue had been occurs you.( We had face all this issue last time too) We had done a lot of areospace products before and most of ours products is a must on class 3 spec. BGA is not that tough t
Electronics Forum | Wed Apr 21 00:14:10 EDT 2004 | ramanandkini
We wish to use rectangular 4 segment solar panels in our quartz watches & charge the battery. The size of the soalr panel is 18.20mm X 7 mm and the thickness is 1.15mm. The other popular application of this type solar panels is in calculators. These