Electronics Forum | Tue Oct 05 13:30:23 EDT 1999 | Debbie Alavezos
| Hi, | | Help! Could anyone help to enlighten me on this? | | Question: | | If I have a CSP/BGA package of size X by Y and the standoff gap between the component and PCB is Z, What is the maximum allowable Y/Z or X/Z that using a normal water cl
Electronics Forum | Tue Sep 21 09:28:47 EDT 1999 | Jeanjean
Dear All, In order to understand the soldering technologies in SMT, I'd like to understand why some cards are soldered and then cleaned, or only soldered whitout water cleaning nor "ultra sound" wavelength. I mean that I wonder why we use toxic flu
Electronics Forum | Wed Aug 25 21:51:13 EDT 1999 | Jason Tomlinson
| Does anyone have any information on stencil aperture/pad ratios for noclean solder paste. In the past I have experienced severe solder ball problems when using the same size apertures from aqueous products as I do with the No-clean products. Cons
Electronics Forum | Thu May 27 18:10:07 EDT 1999 | Omat Marasigan
hello all, Im working as a process eng'r for BGA package. We are using a water soluble flux for solder ball attachments...so there's still a need for a defluxer machine (using DI water) to clean the BGA strip after reflow. I just want t
Electronics Forum | Tue May 25 11:00:38 EDT 1999 | Deon Nungaray
| | | Is it possible to define a fequency for cleaning stencils on Stencil cleaner machines ? | | | | I hate when that happens� you read a question, submit an answer, then re-read the question and realize that you may have misunderstood the questio
Electronics Forum | Thu Nov 12 11:02:43 EST 1998 | Dave F
| | First, appologies to y'll for creating an opening for bs@ss to post the usual thinly cloked commercial message. | | | | Second, how do you test, measure, determine if your stencil is clean? | | | | Thanks | | | | Dave F | | | Here I go stepp
Electronics Forum | Fri Sep 25 12:53:25 EDT 1998 | Bill Schreiber
Regarding cleaning Chipbonder adhesives from stencils and misprinted PCBs. Check out the Smart Sonic Stencil Cleaning Process at: www.smartsonic.com | | I am looking for anyone out there that has had experience with stenciling with chipbonder adhe
Electronics Forum | Mon Sep 14 10:25:40 EDT 1998 | Wayne Bracy
| Our company currently donesn't have any type of sonic wash to wash boards that have been "miss printed" Wanting to know the best way to go about this. So what we are having to do is spray down the boards with alcohol and wipeing the solder paste
Electronics Forum | Fri Aug 28 13:16:02 EDT 1998 | Justin Medernach
| Could someone please help me. We clean our PCB's with Safewash at present. As most of our work has to be upto MIL-STD, we cannot clean the PCB when transformers are fitted? Could someone please help???? | Thank you | J Kirby J, You have a couple
Electronics Forum | Tue Aug 18 06:56:02 EDT 1998 | Wayne Bracy
| Does anyone have any recommendations for SMT Adhesive and Solder Paste Cleaning Systems? We are looking for a complete system of Chemical, Equipment, etc... Val: You may want to take a look at Austin American Technologies. AAT has several syste
