Electronics Forum | Mon Feb 21 17:56:44 EST 2005 | davef
You want approximately 5 particles minimum across the smallest aperture. So in the case of a 0.8mm device, we use .017" pads with a round 0.020" aperture on a 6 thou thick stencil foils. Here, 0.020" diameter equals 0.50mm. This gives us 0.50/5=10
Electronics Forum | Sun Mar 05 13:02:00 EST 2000 | dave
We used this type of paste in a fine pitch application for over two years with no problems. You must be very careful of any (dust)or spillage while mixing for obvious reasons. In my opion the very thing that makes it interesting "freshness" is also i
Electronics Forum | Sun Mar 05 13:02:00 EST 2000 | dave
We used this type of paste in a fine pitch application for over two years with no problems. You must be very careful of any (dust)or spillage while mixing for obvious reasons. In my opion the very thing that makes it interesting "freshness" is also i
Electronics Forum | Wed Sep 18 06:53:05 EDT 2002 | CH
1) For solder short, pls check the paste height. Too much vol will cause short. For 15 mils use 5 mils thickness stencil if possible. Check profile preheat time to prevent hot slumpof the paste. 2) type 4 powder will be better for 15 mils pit
Electronics Forum | Tue Mar 08 06:23:25 EST 2005 | aj
Just to let you all know. We got some nitrile powder free gloves and everything is fine now. We tried Vinyl but they were powdered so it really looks like it could be the powder and not the latex but I am sticking with the Nitrile powder free gloves
Electronics Forum | Fri Jan 13 06:54:12 EST 2006 | pjc
Here's a couple more: Vitek Coating Div., Vitek Research Corp. - Derby, CT - Contact Service Company Company Profile: Parylene Conformal Coating Services With Plasma Surface Treatment To Enhance Adhesion. Electrostatic Powder & Liquid Coating Of Med
Electronics Forum | Tue Feb 03 21:08:54 EST 2009 | davef
While you're waiting for others to reply, search the fine SMTnet Archives to find postings like: http://www.smtnet.com/forums/Index.cfm?CFApp=1&Message_ID=17917
Electronics Forum | Mon Apr 02 17:25:53 EDT 2012 | tombstonesmt
Just PM'd our Pillarhouse Jade Mark II this morning and found excessive solder balls all over the solder pot as well as the bottom of the machine. While removing all the dross it's very obvious that the dross is a REAL fine powder unlike any of the o
Electronics Forum | Wed Apr 14 17:39:20 EDT 1999 | Dave F
| Can someone explain the difference between solder "fines" and solder balls? Is there an official specification where "fines" are defined? What is the spec for "fines"? | | I consider "fines" individual unmelted metal spheres that are found in s
Electronics Forum | Fri Apr 23 12:26:27 EDT 1999 | Jeff Anweiler
| | I would like to known what�s MESH SIZE mean in the solder paste specification ? | | | | | Check out the thread from 4/14/99 on solder FINES vs. solder balls. The info you're looking for is in there. | "Mesh Size" is a term that is commonly use
