Electronics Forum: stencil (Page 250 of 540)

Re: BGA REBALL

Electronics Forum | Thu Jun 29 10:27:44 EDT 2000 | KamranT

Try this .Solderquik.com for the balls and you could get Micro stencil from .Minimicrostencil.com This way you can paste and reflow.

Home plate or bow tie?

Electronics Forum | Sat May 27 11:13:27 EDT 2000 | Steve Thomas

Subject line pretty much says it all. We're going to try some stencil design changes to reduce midship solder balls. Anyone have some comments on pros or cons for either?

Re: OSP surface finish.

Electronics Forum | Thu May 25 21:50:27 EDT 2000 | Dave F

Bill: I'd expect better gasketing on a nice flat solder mask surface rather than the edge of the stencil opening mashed down on a irregular shaped hunk of solder attached to a pad. Stop thinking and get printing Dave F

Re: Cost effective double-sided SMT + thru-hole

Electronics Forum | Mon May 15 10:46:51 EDT 2000 | PhilB

You should also consider intrusive reflow (aka pin in hole relow� but be aware of the thermal possibilities of your through hole components and ask support from a stencil supplier that has done this before. Hope this helps, Phil

0201Technology

Electronics Forum | Wed May 10 06:21:59 EDT 2000 | GOLI

I have been tasked to evaluate the performance of 0201 capability of machines. I trying to find out what kind of paste and stencil design most suited for the task. Does anyone share their experiences with 0201 components?

Re: Stencil Marking

Electronics Forum | Thu May 11 17:30:19 EDT 2000 | Tekguy2000

I use a label printer. You can get different colors to denote top and bottomside or expoxy if you screen it. Will not wash off in cleaner and last virtually forever.. Will peal off if needed..

Re: Help Bottom Side Components

Electronics Forum | Wed Apr 12 21:12:35 EDT 2000 | Dave F

Kevin: I'm back. Essentially what you're doing is: trading the cost of a stencil against the throughput you give-up by dispensing. Interesting Dave F

ref: tombstoning on chip capacitors

Electronics Forum | Wed Apr 12 09:20:57 EDT 2000 | C.Long

anyone any ideas how to minimise my DPM as regards tombstoning..i have checked oven profile..appeture size on my stencils..placement machine etc and still problems.???????????

Re: S.P.O.T.T.

Electronics Forum | Fri Dec 20 12:02:24 EST 2002 | MoonMan

Pete, Can you please email me. I need to discuss the Fuji GSP2 stencil printer as one of our potential Asian suppliers is using one and I know nothing about it. Thanks much, MoonMan

Re: Tape residue cleaner

Electronics Forum | Fri Apr 07 16:10:44 EDT 2000 | Chris McDonald

Kapton Tape should not leave a residue. But Ive seem cheap Kapton do that. Anyways I have gotten a stencil cleaner soldevent to clean off tape residue (Multicore has a good one) It will meet IPC. Chris


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