RE: Testing for dry joints - :)

2002-10-14 Thread Chris Chileshe
...@majordomo.ieee.org Subject:Re: Testing for dry joints Chris, So I give up - just what exactly is a dry joint? Scott At 09:55 AM 10/9/2002 +0100, Chris Chileshe wrote: Hi Group, Probably not the appropriate forum but here goes anyway. A colleague is finding numerous problems with subtle dry joints

RE: Testing for dry joints - Thank you

2002-10-11 Thread Chris Chileshe
Thank you everyone for your very informed replies on the subject. 'Endurance' and 'use' does indeed involve vibration. The units are used on off-highway heavy duty vehicles and forklifts. The contacts are not gold-plated and I am glad I didn't make that clear because the info forthcoming (Thank

Re: Testing for dry joints

2002-10-09 Thread John Woodgate
I read in !emc-pstc that Chris Chileshe chris.chile...@ultronics.com wrote (in 01c26f7a.00510c40.chris.chile...@ultronics.com) about 'Testing for dry joints' on Wed, 9 Oct 2002: The specific problem is that the joints appear to be electrically sound to start with, meaning the units are getting

RE: Testing for dry joints

2002-10-09 Thread Andrew Carson
Chris IPC-A-610 Rev C, covers various inspection criteria for a whole host of solder quality related issues. Most are visual inspections of the board, but in some cases you will need to micro section the joint in question to be sure. But generally you can see a bad joint form the visual