Electronics Forum | Sun Oct 28 23:32:25 EST 2001 | flynhi34
Thanks for the info on the printers. I have printed conductive epoxy on Dek 265 with great success in the past. The issue I have is that I need to attach with both epoxy and solder on the same side of the PCB. I could double print. Print conductiv
Electronics Forum | Thu Nov 15 13:51:23 EST 2001 | jhingtgen
John, To answer your question, we have a number of customers that are using this process, Pumpprinting very successfully! If you would like to contact myself I can provide you with some very good references that will be able to answer all your ques
Electronics Forum | Fri May 02 09:37:23 EDT 2003 | Jerry Magera
Via in pad is the most efficient use of space. Blind via seems to be blamed for this. Cross-sections (send me some) will probably show a void still existing in the via or spherical voids aligned near the component pad side. One can estimate the vo
Electronics Forum | Wed Nov 28 18:24:05 EST 2001 | mparker
Back in the days when pots, skillets, etc. were made of cast iron, vegetable oils were used to "season" the iron to prevent rusting and also from the food sticking to the pot during cooking. It would be reasonable to believe that you could use the sa
Electronics Forum | Mon Dec 17 21:49:46 EST 2001 | davef
For an accounting standpoint, there is nothing you can do to affect depreciation, aside from selling the machine, as mentioned by a previous poster. From a physical degradation standpoint, there is nothing that you can do to stop operators and techs
Electronics Forum | Wed Jan 02 12:11:32 EST 2002 | mparker
Ian is correct in saying that the Cert.s and x-section should be forwarded to QA. It would be the responsibility of Incoming or Receiving Inspection to validate the materials. Your suppliers are offering proof that they comply to industry standards o
Electronics Forum | Mon Jan 07 21:07:00 EST 2002 | davef
Using a flux pen sounds like a good idea. Comments are: * I assume you�re talking aqueous flux. If not, some NC flux pens leave white residues. Nearly all of 15 samples suffered to varying degrees with white residues. * Use the same flux that you
Electronics Forum | Sat Aug 10 06:38:25 EDT 2002 | jojojameson
Dear Freinds, We are having 18000 sqfeet airconditioned space for pcb contract manufacturing.We had chipschooters,through hole machines & fine pitch placement machines with international standard.In addtion we had clean rooms & wire bond facilities.W
Electronics Forum | Mon Jan 28 19:58:58 EST 2002 | davef
Well, reflow certainly would increase your preheat, wouldn�t it? On the other hand, some PTH [and SMT] components cannot bear the heat of a reflow oven. Some boards will never see proper barrel fill, because of either: * Design of the board. * Sl
Electronics Forum | Mon Jan 28 16:12:47 EST 2002 | Joe B.
Dave F, thank you for your reply and the references you included. You asked why I'm trying to understand this info, here's an answer: I'm working on an NSF-funded materials-related project, one aspect of which may lead to some advances in the forma
