Electronics Forum: characteristics (Page 3 of 36)

Re: BGA - down the middle?

Electronics Forum | Mon Dec 20 16:58:24 EST 1999 | Dave F

David: We build boards with BGAs wall to wall on both sides. May the issue you're concerned about is the thermal characteristics of your fabricated board. Good luck. Dave F

Panasonic Feeders MVII and MPA

Electronics Forum | Tue Oct 05 11:14:09 EDT 1999 | AITOR ALAPONT

I am loking for second hand panasonic feeders MVII and MPA. Please tell me characteristics, price and waranties.

Re: Panasonic Feeders MVII and MPA

Electronics Forum | Tue Oct 05 11:14:30 EDT 1999 | ALAPONT

| I am loking for second hand panasonic feeders MVII and MPA. | Please tell me characteristics, price and waranties. |

Solder Paste Stencil Reference Material

Electronics Forum | Fri Aug 20 15:33:02 EDT 1999 | Mark

Has anybody run across a good concise book or other source on solder paste, its characteristics, handling, storage, stencil design, printing and reflow? Yes I asking for the world! TX Mark

SPC on SMT

Electronics Forum | Wed Nov 21 05:06:31 EST 2001 | frha

Thanks Mr Parker! I understand that the basic "demming-wheel" needs to be on place first. My contract manufacturers list ALL adjustments, failures etc during the production, and we also discuss the statistics (pareto) and corrective actions for all d

1206 Cap on 0805 Pad/Land

Electronics Forum | Thu Jan 24 01:14:28 EST 2002 | GregH

What will be the effect on the above with regards, to solderability, solder joint strength, electrical characteristics etc. thanks and best regards in advance.

Capacitor

Electronics Forum | Fri Jun 28 22:16:39 EDT 2002 | yngwie

The supplier said : no impact on the quality/elec. characteristic- this comes with a huge cost saving. As an Engineer, I would not take things for granted, I will have to verify the statement.In other words, I don't trust salesman. rgds,yngwie

BTU profile

Electronics Forum | Tue Aug 13 20:54:48 EDT 2002 | davef

The major profiler companies [ie, KIC, ECD, etc] give away FREE Excel spread sheets that list everyone's oven and paste and allow you to input board characteristics and then it suggests a profile. Go get one.

Electroform stencil cost vs. value again other methods

Electronics Forum | Wed Nov 20 16:36:41 EST 2002 | davef

Electroformed stencils cost about twice as much as other stencils, but they to have better paste release characteristics than laser cut stencils.

Fine pitch paste release problems.

Electronics Forum | Tue Dec 17 09:10:57 EST 2002 | Stephen

Are your stencils electropolished? I still haven't used an electroformed stencil, but I understand they can be worth the extra money, because of the better release characteristics.


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