Electronics Forum | Fri Apr 30 04:57:37 EDT 1999 | Bernard Mulcahy
| |Hi all This Debate on lead free soldering is really hotting up here in Europe. From 2004 the use of lead in components and assemblies will be banned here. Also flame retardent halogens will be banned(FR4 etc). While we all agree that we have to m
Electronics Forum | Wed Apr 28 14:41:45 EDT 1999 | Bob Willis
| | What is the current spec for sizing PCB pads for a land grid array? How about for a ball grid array? Are there industry spec's I can reference? | | | | Thanks, | | | | Frank | | | Frank, | Refer to the device manufacturers. they are going t
Electronics Forum | Tue Apr 27 12:19:17 EDT 1999 | John
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 bottom
Electronics Forum | Mon Apr 26 17:20:10 EDT 1999 | Chrys Shea
Hey MoonMan, Did I catch in one of your fabulous threads that you're using Tetra stencils? I'm anxious to find out how you're liking them. We we're all set up to go to Tetras, then mgt decided to close down our factory - Dooop! "Foiled" again! (te
Electronics Forum | Mon Apr 26 17:01:35 EDT 1999 | Cunli Jia @ SMTnet
Chrys, First, thank you for contributing to the newly automated SMT Library. Second, no registration is needed in order to access library information including your newly posted papers. Therefore they can simply download your papers from this si
Electronics Forum | Mon Apr 26 11:42:29 EDT 1999 | Chrys Shea
| | Hi, | | Im doing some experiments and studies on lead free solders ( any alloys).I would like to get some information on a few lead free solder paste manufacturers and if possible their web page adress and contacts. | | Thanx in anticipation |
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 | Sat Apr 24 08:23:03 EDT 1999 | Bubba
| Surprisingly enough, ever since the addition of an omega wave, we solder those often-troublesome SOT23's just fine and dandy.. anyways, long-term, well be getting a universal GDM which uses positive displacement pumps..currently we're using fuji g
Electronics Forum | Fri Apr 23 11:37:21 EDT 1999 | Dave F
| We are an assembly house engaged in large volume manufacturing of Computer motherboards and others. We are in the process of selection of a new wave soldering machine. Can somebody help me inform what are the different parameters which must be ens
Electronics Forum | Thu Apr 22 16:54:28 EDT 1999 | John W
| I need to know if there are any special component pad designs that need to be considered when evaluating paste-in-hole? We have a few through hole connectors that are good candidates to place pre reflow. Does anyone have sugguestions. | Thanks |
