Electronics Forum | Thu Mar 29 01:22:57 EST 2001 | chinaman
Hello everybody, Two questions came up during an audit (old topics once more): 1. we are not checking the solder paste volume/pad height after printing - others are using an AOI, but is it really necessary? We just do visual inspection randomly. We
Electronics Forum | Tue May 02 14:19:26 EDT 2000 | Bill Schreiber
There are two primary causes of epoxy adhesive bond failure, heat and over exposure to moisture. Ultrasonic cavitation is a only a mechanical "scrubbing" action on a microscopic level. However, if the adhesive bond is week or has small areas of det
Electronics Forum | Tue Nov 03 09:32:57 EST 2009 | valeo
Hi all, I'm today looking for adhesive specifications on SMT process (by printing). The Glue printing process is new in my company, and I need info, please!!! Do you know specifications about Shear component value with gluing process (on component
Electronics Forum | Tue Sep 05 06:23:19 EDT 2006 | jonatf
Hi guys, I want to improve the set up of our printing machine(EKRA) especially on a 0.5mm thickness double sided boards.I find the support pins very time consuming.. any advice?? thanks.
Electronics Forum | Fri May 12 13:12:47 EDT 2000 | Bill Schreiber
There are several published papers on the Smart Sonic Web Site regarding the advantages and disadvantages of using a stencil cleaner. I recommend the papers by Richard Clouthier "Improving Screen Print Yields" and "Selecting SMT Stencil Cleaning Me
Electronics Forum | Thu Dec 02 10:32:47 EST 1999 | Boca
Curtis, They have a 'permalex' coating bonded to the metal. We see no signs of flaking. They are pricey but they do work, we had metal blades from the OEM, they were absolute trash (not MPM). We run 16-6 and they last at least 4 to six months in
Electronics Forum | Wed May 26 14:01:18 EDT 1999 | Bill Schreiber
Dear Ricardo, We have a number of published articles on our web site. One of them is titled "Improving Screen Printing Yields" by Richard Clouthier of AMTX stencils (now Photo Stencil). This article appeared in EP&P magizine and also Asian Electron
Electronics Forum | Mon May 17 15:14:12 EDT 2004 | solderpro
Agree with Joe 100%, we recently brought one in from Malcolm for trial, this company had not practiced viscosity reading or anything in the process, the trail run was a great improvement in print, consistancy, deposition and formation of the solder b
Electronics Forum | Mon Apr 19 15:27:05 EDT 2004 | pjc
The MicroFlex is not really new. Its the UltraPrint 100 re-engineered and improved. UltraPrint 100 / SMTech 100 has been around for many years. I don't believe the DEK 248 offers a Stencil Wiper option. I worked on MicroFlex machines. Vision system i
Electronics Forum | Sat Aug 22 16:16:13 EDT 2015 | davef
Comments are: * Read “Challenges for Step Stencil Printing” [Carmina Lantzsch, Georg Kleemann, LaserJob GmbH] http://www.smtnet.com/library/index.cfm?fuseaction=view_article&article_id=2096 * I want to say that IPC7525B [Oct 2011] improved the dis
