Electronics Forum | Tue Jun 04 15:58:06 EDT 2002 | Hussman69
Hmmm... I know the Vitronics oven had bigger motors on em', but I don't think they're blowing molten solder balls around. You did say you changed your profile and stencil designs, which helped, but didn't exactly state what ya did. I believe this
Electronics Forum | Sat Feb 20 20:24:40 EST 2021 | sync40
Hello Ameen, It is needed a moderate impact bump to generate skew. Even blowing of the fans generally cannot generate serious skew -unless the pads apertures are not suitable for the components size/weight. You can try for yourself. Take a board wi
Electronics Forum | Mon Jan 04 18:56:25 EST 1999 | Marc P.
| We have a Vitronics SMR400N oven and many times need to use N2 inerting. My problem is that it takes close to an hour of operation to purge the system to achieve the desired O2 levels (~40PPM). This is not only time consuming but results in an inor
Electronics Forum | Fri Jul 30 17:26:02 EDT 1999 | John Thorup
| | Surface Mount Components like QFP's in Tray usually comes sealed in an anti-static plastic pack. In case the QFP's were removed from the said anti-static bag for more than 2 weeks, do these components needed to be baked for they might produce so
Electronics Forum | Wed Sep 29 23:54:07 EDT 1999 | Dreamsniper
Hi everyone, Greetings! I�ve got a 2-layered through-hole PCB�s having the following problems: Solder Mask peels after wave soldering at random locations and only at the bootom side of the PCB Insufficient Solder and some solder never make it to t
Electronics Forum | Thu Sep 30 03:17:45 EDT 1999 | Brian
| Hi everyone, | | Greetings! | | I�ve got a 2-layered through-hole PCB�s having the following problems: | | Solder Mask peels after wave soldering at random locations and only at the bootom side of the PCB | Insufficient Solder and some solder ne
Electronics Forum | Thu Sep 23 23:58:01 EDT 1999 | Earl Moon
| | Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near-b
Electronics Forum | Mon Sep 27 12:19:19 EDT 1999 | John
| | | Jackie's posting recently and responses to it got me to dondering. First, recollecting, we bought an IR rework station a couple million years ago. It had a IR source on a stand, a bunch of lenses, and Reynolds aluminum foil for shielding near
Electronics Forum | Thu Sep 30 07:03:05 EDT 1999 | Scott Cook
| Hi everyone, | | Greetings! | | I�ve got a 2-layered through-hole PCB�s having the following problems: | | Solder Mask peels after wave soldering at random locations and only at the bootom side of the PCB | Insufficient Solder and some solder ne
Electronics Forum | Tue Apr 09 21:40:26 EDT 2002 | ianchan
We are a local enterprise with limited resources, just like you described, so hope this experience sharing helps : we place a production Visual Mechanical Inspection (VMI) inspector at the end of each Reflow Oven area, complete with magnify scope 30
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