Electronics Forum | Fri Jul 29 09:31:29 EDT 2005 | lupo
Hello, I am not familiar with Inertec but have some expirience with selective soldering process, My oppinion is that the wave and slective soldering are not the same game. In Selctive soldering process is very important the layout design. If use th
Electronics Forum | Thu Jul 01 14:47:10 EDT 1999 | Tony
| | | My guess would be trapped flux continuing to be active after soldering. Is the tarnish there immediately after exiting the machine? Do you remove the mask and wash right away? If the solder is reflowing under the mask on the component side
Electronics Forum | Sat Dec 20 23:13:14 EST 2003 | Dean
Hi Tommy. A clean printer has always been a hot button with me as-well. Solder paste is like a can of paint. As soon as you open it up you will get it on all the things you wanted to preserve as clean. The cleanliness and condition of your sten
Electronics Forum | Fri Nov 11 20:41:58 EST 2005 | GS
Thank you Davef, If I am not wrong in understanding, your answer is mainly related to the Legal point of view according to several different Countries who adopted Rohs or equivalent. My question, sorry for my poor English, is mainly related to the
Electronics Forum | Mon Mar 16 01:06:25 EST 1998 | Victor Ng
Dear all, Recently I have a problem of non-wetting at our wave soldering process. It appears only on the SMT pads for the chip components (at the solder side) of the HASL PCB. With all the same parameters on the wave soldering machine, i
Electronics Forum | Fri Jul 10 07:34:00 EDT 2020 | elijah
From the poor bonding strength of the board, the surface quality problems of the board are divided into: 1. The cleanliness of the board surface; 2. The problem of micro graphite (or surface energy) on the surface. PCB circuit board proofing Youke bo
Electronics Forum | Wed May 14 12:35:34 EDT 2008 | rgduval
Thanks, Chunks. That's the one point of the experiment that we haven't tried yet. Though, we came to the same conclusion just yesterday. Dave, so far, the most help we've gotten was from the paste manufacturer. I've involved the board house, but
Electronics Forum | Mon May 12 17:59:55 EDT 2008 | rgduval
We're currently experiencing a spate of solder not wetting to pads of PCBs, and it's becoming more aggravating on a daily basis. At this point, we're running out of ideas. I've searched the Fine Archives for information, and, so far, haven't found
Electronics Forum | Sun Aug 06 14:02:04 EDT 2000 | David Harper
The company I work has been assembling this particular board for several years now, and one thing has always remained constant. Bad Soldering. The board is a double sided board, the solder side has about 250 1206 caps & resistors and Sot-23 transisto
Electronics Forum | Tue Oct 05 04:01:36 EDT 1999 | Brian
| 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
