Electronics Forum | Thu Sep 21 20:29:54 EDT 2000 | Dave F
Tanx Beyond keeping one in hot water, I found that this subtile approachs virually assures that you don't get promoted to the point that you get an opportunity to ruffle the feathers of the pimadonnas. Musta breathed too much flux fumes!!! Don't
Electronics Forum | Tue Jun 27 21:29:05 EDT 2000 | darren burchill
Mike: You called it GOOP, and I agree with you. The closeset we came to the daphne was alvania but it is not great stuff either. I am now trying some stuff called PERMALUBE madae by Certified Labs. They assure me that it meets or exceeds fuji specs
Electronics Forum | Mon Feb 25 17:07:15 EST 2002 | peterson
We are using a Panasonic MPAV2 to place some QFP's. Can someone please help me with a problem we are having with coplanarity! The machine is "dropping" parts due to coplanarity issues. What settings should we be looking at in order to eliminate the
Electronics Forum | Thu Feb 28 18:42:35 EST 2002 | Nightbull
Thank you for your reply. Answer: Auditor came to my company and said that we needed a solder deposition tester. The reason was that we had no real way of assuring that our solder process was repeatable. He referred to several IPC standards that mad
Electronics Forum | Fri May 31 13:20:11 EDT 2002 | Mark J
They're not dead, but most are assuredly in a coma. As stated elsewhere in this thread, there is so much used equipment on the market due to many electronics companies divesting their manufacturing, and outsourcing production of their products. All t
Electronics Forum | Wed Jan 28 20:58:16 EST 2004 | davef
Vinny: From a thermal standpoint, your choices are: * Get your customer to design thermal relief in the board. * Set your thermal recipe to assure that the grounded pad reaches reflow temperature. This may require a long soak at a single temperature
Electronics Forum | Tue Aug 17 13:24:47 EDT 2004 | blnorman
We have parts that have electroplated tin over nickel. The mfg. assures us the minimum thickness of the tin is 5 microns. Cross sections have shown many instances of 1 micron and pits that go down to the nickel barrier layer. A request for thicker
Electronics Forum | Wed Dec 08 06:50:07 EST 2004 | Scott B
Have been trying to cut through Paste supplier 'Qualification' documents and sales blurb but when asked if they'd put their mortgages on the line, assurances are harder to come by. In God we trust - All others must provide data. Are there any previo
Electronics Forum | Thu Mar 08 18:39:06 EST 2007 | elias67
Stencil Thickness should be .005" A reduction along with cross hatching is a must for the center pad to reduce paste volume as well as to assure even paste deposit while printing on a large pad. With out the cross hatch, the squeegie will most like
Electronics Forum | Wed Dec 05 03:52:15 EST 2007 | longlee
I disagree with the opinion what use the same reflow oven for both Lead and Lead-free process. As you know, the RoHs restrict the presence of certain substances, including Pb,Mercury,Cadmium,Hexavalent Chromium,PBB,PBDE. Maybe yon don't find any iss
