Electronics Forum | Thu Jun 16 17:02:40 EDT 2011 | boardhouse
The finish looks like Immersion Tin or Silver. if its lead free Hot air - could be issue of to high of a Tin Content. find out what brand of Hasl they are using. SL100 Example. Is this tarnished look only being seen after assembly or have you seen
Electronics Forum | Fri Jun 17 13:51:21 EDT 2011 | mosborne1
Your problem is at your board house with the finish. There is not enough tin deposited on the ground plane. Could be the current density too low on the ground plane. If electroless they just didn't process these correctly. What is the finish suppose
Electronics Forum | Wed Jun 08 13:49:48 EDT 2011 | sonofptolemy
Hello, I am having a problem with HASL PCB's after it comes back from the stuffer. To me it looks like oxidation and it causes poor wetting. This leads to a bunch of problems all of which have different symptoms but the cause is this oxidation proble
Electronics Forum | Fri Oct 08 07:27:23 EDT 2004 | RON Z.
What is wonder solder.
Electronics Forum | Fri Oct 08 08:28:27 EDT 2004 | davef
Wonder Solder [ TRT-Wonder.com ] is a proprietary silver solder. Some cynics might say Wonder Solder got its name because the people that started the firm wondered if anyone was crazy enough to pay that much for solder. Most audiophile silver solde
Electronics Forum | Tue Jun 07 05:21:35 EDT 2011 | lisalau
Can anybody tell me what is a Tray Unit?Who can show me a picture indicating the place of the Tray Unit? Thanks thanks!!millions of thanks! Lisa
Electronics Forum | Tue Jun 07 10:45:17 EDT 2011 | davef
For pictures of a tray unit: * Go here http://eam.go-dove.com/salefiles/2313/2313_577.pdf * Scroll to Page 3 * Page down to the bottom of the page ... there are two pictures of placement machines with tray units attached Here's another unit that's
Electronics Forum | Thu Dec 08 22:25:23 EST 2005 | davef
Grant Copper Oxide [Cu2O]: Color is red to a deep red that can appear almost black. Luster is adamantine or submetallic to dull or earthy if massive. Transparency: Crystals are transparent to translucent. Look here: http://mineral.galleries.com/min
Electronics Forum | Thu Dec 08 08:13:48 EST 2005 | grantp
Hi, Copper oxide is green right? So the green residue after a few days is corrosion of the wire? Regards, Grant
Electronics Forum | Sat Oct 13 19:28:10 EDT 2018 | SMTA-Jeff
can anybody recommend ERP software that fits this business?
