Electronics Forum | Sun Feb 27 16:25:51 EST 2005 | jakin
Hello my name is Jason. And I to work in electronics. I have recently had the same inquires by costumers about solder height to. Are these well-known customers like hp or micron? Cause it sounds like it to me. Who do you deal with that makes these in
Electronics Forum | Tue Feb 22 10:44:12 EST 2005 | Dougs
when you talk about stencil design, what would you recommend for aperture size on fine pitch if the customer insists on hasl finish on fine pitch devices? i usually use a 10% reduction on everything we have been using ( 16mil pitch and upwards and 0
Electronics Forum | Tue Feb 22 17:57:32 EST 2005 | Austinj
Most solder paste has a shelf life of 1 week at room temperature after opened, if resealed at the end of the shift/day. Most shelf lives are 4-6 months at 40F (refridgerated) or 1 month at room temp (unopened/sealed). Recommended stencil life is appr
Electronics Forum | Mon Feb 28 16:47:26 EST 2005 | jdengler
John, No vacuum. I use tape to hold the flex flat. Panels are hard. Some flexes I do 3 up some 1 up. Larger components that I can get a repeatable location of the flex are 3 up. 0805 and smaller are 1 up always. I talked to a flex house once a
Electronics Forum | Sun Mar 06 17:39:15 EST 2005 | Darby
1st law of Surface Mount. You WILL run out of parts on the last board going through before a long weekend. 2nd law of Surface Mount. Touchies WILL touch. I'm with Russ and Rob. Touch up is EVIL and should only be tolerated in exceptional circumst
Electronics Forum | Fri Mar 04 11:00:37 EST 2005 | mrduckmann2000
Anybody have any ideas on the proper way to screen solder mask onto a PCB? I am going to cover SMT parts that were soldered to the btm side of the PCB, now I have to mask them in order to run this animal through the wave solder process. I know it w
Electronics Forum | Mon Mar 07 22:20:56 EST 2005 | rf
I'm doing some research into some various costs for defects and work stoppages in an SMT environment. Specifically, I'm interested in what are the costs for a company to rework defective boards...from easiest to hardest component but not to include c
Electronics Forum | Fri Mar 11 09:28:34 EST 2005 | Micheal
I need help on a Quad IVC. We are having intermitant problems. What happens is it runs and then all of a sudden the Z goes down into the feeder past the limit. I have changed the Z motor, cleared the memory, and also swapped motion controller boards
Electronics Forum | Mon Mar 21 04:35:13 EST 2005 | Base
Just thinking out-of-the-box literally: If you can not get a second hard-disk into the machine, why not take the hard-disk out of the machine and attach it to a PC. Once it has been connected as an auxilliary hard-disk to a PC it is very easy to make
Electronics Forum | Tue Mar 29 13:51:17 EST 2005 | jdumont
Finally, another soul with one of these waves! We have had ours since bought new in 1983. Great machine. Unfourtunately I do not have the manual either. I can tell you now to find preheater elements and hourd them. A few of them go bad every 6-12 mon
