Electronics Forum | Mon Oct 11 05:48:17 EDT 1999 | Brian
| I am checking out trays for packing of Simms, and I would like to know what are the main differences between Anti-Static and Conductive trays. Anti-static are cheaper, but I would like to know about properties of one against the other, what are var
Electronics Forum | Sat Aug 21 12:29:28 EDT 1999 | Brian
| I have a layer of electroplated solder (10/90) that appeares to have some sort of contaminent on it. Water will not wet to the layer in some areas. I have tried using 10% HCl in DI as a cleaner as well as 7.5% Fluoboric acid in DI. Neither has t
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 | Wed Jun 24 16:45:18 EDT 1998 | Bill Schreiber
| I know this topic has probably been talked about before...But I ran into a small situation where Solder Balls were appearing in large quantities on the PCB....the Problem has been isolated and taken care of, my question is, what are some good metho
Electronics Forum | Tue Apr 13 20:57:14 EDT 2004 | Mike Konrad
Hey Dreamy, Dave is correct. If you attempt to clean your water soluble (OA) flux with water only, you will turn the no-clean flux white. No inspector or end-user will accept this. If a proper cleaning system is not available to you, then I would
Electronics Forum | Thu Feb 12 07:58:54 EST 2015 | erezah
A-610E, 10.7.4 covers solder mask discoloration. > Use that for your disposition > > In a previous > thread, Boardhouse told us "Here are a couple of > things that can affect color. * Material color > is the major, * Matte green from Enthone wou
Electronics Forum | Tue Sep 19 13:09:48 EDT 2017 | slthomas
Thanks, all, for your responses. It's always helpful to know what everyone else is doing, whether to validate your own experience or to force you think in more detail. At this point we've determined that no amount of aperture design, material contr
Electronics Forum | Thu Jul 25 12:25:54 EDT 2019 | davef
In “J-STD-001 Rev G Amendment 1 Process Qualification” Debbie Carboni, Global Product Line Manager, KYZEN Corp, Nashville, TN said: What change constitutes a need for requalification? Major/ Level 1 – Flux or flux-bearing materials (e.g. flux, so
Electronics Forum | Fri May 22 13:14:42 EDT 1998 | Earl Moon
| | | | Y'all: IPC set-up a site addressing the environmental issues of the printed circuit fabrication industry. Some of it is interesting and applicable to the assembly business as well, even though not aimed directly at assemblers. IPC has rece
Electronics Forum | Mon Sep 13 11:02:08 EDT 1999 | Bill Schreiber
Mike failed to list the company that introduced the first ultrasonic stencil cleaner in 1990. The company remains the leader in stencil cleaning worldwide: Smart Sonic Corporation Tel: 1(800)906-4407 Fax: 1(818) 909-6409 e-mail: smt@smatrsonic.com w
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