Electronics Forum | Tue Dec 04 14:16:32 EST 2012 | eniac
AIM can give a good result, I tried the solder paste from many manufacturer - AIM, Kester, Indium, Koki, Alpha Metals, Heraeus - but I stopped my choice at Kester. For example, right now I have EM907 with date of manufacture in february 2010 (it's ju
Electronics Forum | Thu Aug 15 17:05:54 EDT 2013 | srgbarba
Hi, I'm using WS-820 by Alpha metals and works good, but you must take in consideration the humidity and temperature that you have in your facility, In the process that we're following we left the board printed during 2 hrs and works ok (no pop up ef
Electronics Forum | Wed Jun 29 12:04:29 EDT 2022 | kumarb
Hi. Alpha metals recently informed us of: Alpha OM-565 low temp solder which they note is popular with pin-in-paste process of through hole parts so that we can solder inside of our SMT oven (1809EXL). We commonly use ROHS DSUB connectors (9 to 78
Electronics Forum | Mon Sep 25 18:01:25 EDT 2000 | John Thorup
Hello Steve We use Alpha/Fry metal reclamation. They are happy to take the paste as long as is kept segregated. They pay if it's over 300 pounds. California contact: Patricia Mealey 949/364-6741
Electronics Forum | Tue May 23 21:14:22 EDT 2006 | davef
First, where the temperatures that aare mentioned in the original post measured? Second, it sounds like the PdAg component terminations are not seeing enough heat [your soldering iron touch-up proves this]. Your 232*C peak is the absolute minimum s
Electronics Forum | Mon Jan 08 10:49:35 EST 2001 | Simon
We are using the omega meters to determine the solvent extract conductivity. The book is refering to standard MIL-P-28809 who specifies a 14 ug/sq. in. of Na/Cl limit. The past owner of our machine was setting the pass/fail limit at 3.6 ug / sq. in.
Electronics Forum | Thu Nov 30 15:18:54 EST 2000 | Rich Z
All, I have a reoccurring issue with the Alpha-Metals WS601, water-soluble paste in that the size 20 nozzle of the auger-type dispenser on my Camalot Gemini II clogs up rather frequently. Every few hours we are having to go in and clear out the nozz
Electronics Forum | Sat Dec 04 02:21:32 EST 1999 | Vinesh Gandhi
Hi All, I am facing a strange problem. One of my esteemed & valued customers has an unusual requirement of cleaning the board with IPA after soldering is complete. I am using alpha metals UP78 no clean sodler paste during reflow. This IPA cleanin
Electronics Forum | Thu Dec 02 23:43:23 EST 1999 | Kantesh Doss
We have a serious misalignment problem of D-Pak components (Specifically Motorola's part number MJD-3055/MJD-2955)following reflow soldering process. We are using Alpha Metals UP78 solder paste. Our reflow oven is Nitrogen inerted and our oxygen leve
Electronics Forum | Tue Sep 21 11:28:26 EDT 1999 | Dave F
| I've had some trouble pasting a test board for a MicroBGA trial. Most of the paste remains in the stencil apertures. | The stencil is 6 mil thick, laser cut and electo-polished. | The apertures are 12 mil in diameter with 20 mil pitch. | We are usi
