Electronics Forum | Tue Jul 11 13:21:30 EDT 2000 | Deborah Troxell
We use the Slimkic for our oven porfiles and run a very high product mix too. My first question is do you use the same progam for all your boards or do you run different temptures profiles for each module? How are the gold boards getting destroyed? W
Electronics Forum | Thu Jul 06 07:30:46 EDT 2000 | John
Ralph, Typically our co-op students put down solder paste with a syringe, place the parts on the paste with tweezers, and then reflow the paste with a hot air pencil. This works pretty well when they are hand building prototypes. You can probably
Electronics Forum | Wed Jun 28 16:42:49 EDT 2000 | JAX
Paul, Most of this naming mojo happens during Gerber to Cad translation. If the Gerber software does not have a pre-defined name for a particular foot-print, The user has to supply one. Getting the supplier of the Gerber, or your CAD/CAM group to eli
Electronics Forum | Fri Jun 23 14:10:01 EDT 2000 | Chrys Shea
Sounds like the mask to me. Had a similar situation a couple years ago. The mask wasn't fully cured, so it absorbed water that the preheaters couldn't dry out. When it outgassed at the wave, it caused a lot of micro turbulence that broke the surfa
Electronics Forum | Mon Jun 19 19:08:21 EDT 2000 | Brian W.
IPC-610 Rev B: Paragraph 4.1 (page 52), As an exception to fil requirements on Table 4-1 on thermal heat sink planes plated through holes, a 50% vertical fill of solder is permitted, but with solder extending 360 degrees around the lead with 100% wet
Electronics Forum | Tue Jun 13 14:14:40 EDT 2000 | Deon Nungaray
Dear Mr. Cunli, I think it would be useful to have the ability to access the archives easily. However, I do have a comment on your home page format. In the past the SMT Forum entries were viewed on the top middle upper section of your home page and
Electronics Forum | Wed Jun 07 12:11:42 EDT 2000 | Rex Breunsbach
First of all I would like to thank you for your candid comments on this subject. ECD listens to its customers and values their input. Yes, our experience shows the coupons have a 30 to 60 run life depending on application. This works out to between
Electronics Forum | Wed May 31 00:43:59 EDT 2000 | Ashok Dhawan
Dear SMTnetters I am using EIA-625 : 1) I was just wondering whether I should be putting ESd Labels for each workstation ( Station #s) In addition to standard ESD protected workstations, I am using chair, mini-tables, carts, shelvings... for handl
Electronics Forum | Thu Jun 01 08:54:46 EDT 2000 | Chris May
Dear Ashok, My practice is that if you see it as a source of a potential problem, label and monitor/measure/test it. OK, so it may be a lot of work up-front, but what is the risk involved in not doing it ?? There is no grey area, do all or nothing
Electronics Forum | Thu Jun 01 08:54:50 EDT 2000 | Chris May
Dear Ashok, My practice is that if you see it as a source of a potential problem, label and monitor/measure/test it. OK, so it may be a lot of work up-front, but what is the risk involved in not doing it ?? There is no grey area, do all or nothing