Electronics Forum | Mon Mar 05 13:08:16 EST 2001 | billschreiber
Hi Roger, Our customers use their Smart Sonic Stencil Cleaners for cleaning SMT and wave pallets. There are two primary protocols used. 1) If you have a large quantity of pallets and they are becoming contaminated rapidly, a dedicated stencil clean
Electronics Forum | Tue May 20 12:20:58 EDT 2003 | billschreiber
Hello Mike, We have just sent out the press releases. 440-R SMT Detergent, the only chemistry to complete the EPA's Environmental Technology Verification (ETV) Program, as part of the Smart Sonic Stencil Cleaning Process, is now available for use i
Electronics Forum | Sun Jun 27 06:27:15 EDT 1999 | Vic Lau
| I am looking for a way to clean solder off of QFP packages. I'm thinking a chemical method would be easy, as long as the chemistry doesn't attack the leads themselves, or the package. | Any suggestions? | Dear Matt, I have a customer, who is com
Electronics Forum | Mon Jun 28 14:36:34 EDT 1999 | John Thorup
| | I am looking for a way to clean solder off of QFP packages. I'm thinking a chemical method would be easy, as long as the chemistry doesn't attack the leads themselves, or the package. | | Any suggestions? | | | Dear Matt, | | I have a customer
Electronics Forum | Wed Mar 06 21:16:17 EST 2002 | davef
�What does 5 micrograms of chloride mean to me?� * With SIR testing, you can show no detrimental leakage currents under humid conditions, no corrosion, no metal migration, which are the big factors in figuring out electrochemical reliability. People
Electronics Forum | Wed Jul 11 13:55:26 EDT 2007 | bschreiber
We have received several e-mails and phone calls regarding the Permali recommendation of cleaning Durostone pallets so I thought I would address these questions on the forum for everyone's benefit. Q: Can 440-R SMT Detergent be used for manual clean
Electronics Forum | Wed May 21 19:43:05 EDT 2003 | billschreiber
Hello Carl, Thank you for the feedback. You are absolutely right. I was remiss in not addressing the other questions. 2. 440-R SMT Detergent will clean RMA and No-clean solder pastes in 1 � 2 minutes using ultrasonics at ambient temperature and 5
Electronics Forum | Wed Oct 14 13:52:59 EDT 1998 | Bill Schreiber
Dear Sanjay, An important issue involved when stencil printing adhesives vs. solder paste is: How do you clean the stencils after printing? Do you need two machines? Two chemistries? Two waste streams? What are the potential environmental impacts an
Electronics Forum | Mon Feb 20 20:57:35 EST 2006 | Cal Kolokoy
The ramp sets the stage for flux activation, and if ramping in a linear fashion, burning off some of the volatiles, but yet preserving the activators. The ramp is also intended to preheat the SMDs to prevent thermal shock. Most solder paste data sh
Electronics Forum | Tue May 19 12:29:59 EDT 1998 | Richard Jackson
| Richard, | You may be encountering solder paste contamination | on the assembly during the printing process. Solder | will reflow on tin/lead plated lands therefore invisible. | If you are washing the assembly prior to inspection | then you are
