Electronics Forum | Wed Aug 13 17:39:27 EDT 2008 | awegener
In light of this new information I've received from everybody's comments, I'd like to get more information about pick and place nozzles. How can I learn more? ... What do the nozzles look like? Are there different shapes? What kind might you r
Electronics Forum | Wed Aug 13 09:11:19 EDT 2008 | rgduval
Shane, We're assuming that the software is similar to our Heller 1800. We're also assuming that the oven has thermocouple ports, and that you have the thermocouples to plug into them. From the screen that displays the zone data, there should be a
Electronics Forum | Fri Aug 22 14:24:54 EDT 2008 | boardhouse
Paul, I would do two things, eval whole lot for any etching issues as shown above and scrap and two I would have your copper thickness checked, my guess your copper plating will be low. Check plating thickness in Via holes - if less then 8/10th's r
Electronics Forum | Mon Aug 18 10:42:04 EDT 2008 | floydf
We are in the process of preparing for a new board that requires paste in hole processing. The hole is a .020" via, and our customer wants it filled with solder, but not bulging past flush. For printers,we use a DEK 249 with a squeegee, and a DEK 260
Electronics Forum | Mon Aug 18 14:17:08 EDT 2008 | patrickbruneel
Here's another good one �Problems Implementing The Restriction of Hazardous Substances� http://desicritics.org/2008/08/17/120825.php Unfortunately it might take another 2 years to gather enough data on how much damage lead-free has done to our ind
Electronics Forum | Wed Aug 20 08:37:35 EDT 2008 | davef
WML: We're curious. When you do an antibath protest: * How do people around you distinguish between you protesting and you being ill kempt? Do you wear on of those sandwich signs? Do you distribute leafletts? Do you have a canned dialog explaining th
Electronics Forum | Fri Aug 22 13:55:24 EDT 2008 | jdumont
We have used the Cogiscan system successfully here for 3 years or so now I think its been. I couldn't possibly imagine tracking MSL's on a lot of parts by hand... and being able to trust your numbers. This software will track everything for you and a
Electronics Forum | Wed Sep 03 12:44:34 EDT 2008 | Bob Douglas
When considering MSD issues two factors really need to be focused on; first, environmental control of the individual subject component/s during storage and second, monitoring of the packages out of the controlled environment. It's important that eac
Electronics Forum | Wed Aug 27 08:06:43 EDT 2008 | davef
Thick, hard conformal coatings of acrylic, urethane and epoxy have a well documented history of causing solder joint cracks and breaking glass/ceramic and other brittle components. Dissimilar expansion and fairly high surface bond strengths of the ma
Electronics Forum | Wed Aug 27 17:12:34 EDT 2008 | mikesewell
Silicone contamination could appear as fisheyes or dark spots under UV light. 1A33 can be heat cured but is a single component oxygen cure coating - it needs a source of oxygen to cure. An unvented oven may slow or limit the cure. Check out the TDS
