Electronics Forum | Tue Sep 16 10:14:03 EDT 2003 | mantis
James, Could it be the convection in the reflow oven itself.Maybe somebody has increased the air flow or convection rate. I have seen an issue with an sot23 blowing off pad in a BTU paragon due to air flow in air curtains being too high. Hope this h
Electronics Forum | Wed Feb 17 17:15:17 EST 2010 | jax
Did you just change anything on the Exhaust?... even if the change was adding something else to the main exhaust trunk, if you don't have each item seperated. Although CFM changes should not effect the Blower Speeds or the Zone stablizing time, since
Electronics Forum | Thu Nov 04 13:45:29 EST 1999 | Scott Cook
Hi Chris. Can't specifically address optos, but I have spec'd RH requirements and Temp requirements for new facilities I helped design for manufacturing here in FL (humidity center of the universe). For an overall benefit, I considered the potential
Electronics Forum | Fri May 28 16:30:39 EDT 1999 | JohnW
| Yes l know this problem keeps cropping up on the forum but l've missed some of the follow-ups. | | Our problem is that the lifting only occurs on 3% of production so actually detecting an improvement is difficult. We're actually having to inspect
Electronics Forum | Wed Oct 01 22:15:36 EDT 2003 | davef
Tough to say. It depends on the type of solder mask, the producer of the solder mask, and your board fabricators' process. As one angle on this, solder mask type affects thickness. Minimum clearance: * Liquid photoimageable: 2 thou * Screened liq
Electronics Forum | Mon Oct 16 20:33:18 EDT 2000 | Dave F
MK: If you are getting good product with air, here�s what you should do: * Turn off the N2. * Sell that N2 cracker machine. * Pat yourself on the back. * Go out for beers. [Not any of that Canadian Fosters crap, tho][Did you know that Ozzies do
Electronics Forum | Mon Mar 15 09:38:30 EST 1999 | Chrys
| Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there a
Electronics Forum | Mon Mar 15 15:42:16 EST 1999 | George Steele
| | Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there
Electronics Forum | Tue Jun 26 19:50:00 EDT 2001 | davef
49 hits on nitrogen, you probably used the one with the entry window => 13 or whatever hits on nitrogen. Here is my take on what you missed by using the other seach: Date: May 26, 2001 04:57 AM Author: Brian Sloth Bentzen Subject: Nitrogen Reflow
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