Electronics Forum | Thu Dec 12 10:42:52 EST 2002 | Adam
Guys Does anyone have any bright ideas with regards to masking a PLCC socket with via holes directly below the socket, prior to conformal coating ? We've tryed kapton tape and peelable masks but not with desirable results. Our coating process is a t
Electronics Forum | Mon Dec 16 21:34:05 EST 2002 | grantp
Hi, Yes, the stencil does touch the PCB. Is there another method? Sorry to sound a bit dumb on that, however I don't have a lot of experience with automated stencil printing, and manual has been working well up to now with this BGA. Regards, Gra
Electronics Forum | Mon Dec 16 21:40:27 EST 2002 | grantp
Hi, Thanks for the info, and I will check it out. Do you know where the IPC 7525 spec is? Does it explain why square is better? I know there is some theory I am missing here, and that's why we have problems. I am just freaking out trying to establi
Electronics Forum | Fri Dec 20 09:01:27 EST 2002 | russ
Greetings, Does anybody out there have any experience with 0306 capacitors (not 0603). I am trying to find a pad design for this component. I have searched the archives to no avail. The component is .06 long by .03 wide with .007" solder terminat
Electronics Forum | Fri Jan 03 16:14:37 EST 2003 | Jacques Coderre
Hi Jon, Flip Chip is chosen as an interconnect approach when one needs improved performance (high pin count, high frequency, noise reduction or improved heat dissipation.Another driver is size...Flip Chip greatly reduces the area and therefore is cho
Electronics Forum | Mon Jan 06 17:42:36 EST 2003 | gregp
That is true. But maybe for discreets in paper tape where the bulk of your partially used reels is it may be helpful. The rest you can guestimate. Not very good of course. As a placement machine manufacturer I agree every machine should have real
Electronics Forum | Wed Jan 08 10:54:19 EST 2003 | dphilbrick
As Russ says this should process well the BIG BUT..T is what are you using to process this part! How old / capable is your equipment. Screen print quality is a must. Placement accuracy is critical and reflow stability is important. So the answer is d
Electronics Forum | Thu Jan 16 16:15:27 EST 2003 | billg2753
I have received a few boxes of fully assembled boards that have damaged packaging boxes due to rain water. There is visible moisture inside the ESD bag. I have no idea how long these boards have been exposed to moisture. Does anyone have a procedure
Electronics Forum | Tue Feb 04 19:53:50 EST 2003 | joeherz
Hello All, I've come across this machine and have no experience with Streckfuss other than the little radial "trim only" unit. Does anyone own one of these? Good, bad, ugly? The one I found is going for $2.5k and has a good selection of dies.
Electronics Forum | Wed Feb 05 15:19:16 EST 2003 | MA/NY DDave
Hi Mostly people here don't start off crawing or hawking about their own shops, or enterprises which includes me, David F in Haverhill and others. Yet it does happen if you watch very close. SO this is the wrong forum for asking your kind of a que
