Electronics Forum | Mon Aug 17 02:45:18 EDT 1998 | Bob Willis
| 5 micrograms per sq. cm. is actually not too clean. The maximum military allowed post-clean, on-board contamination is 5.7 micrograms of NaCl /cm squared (when using the Zero-Ion brand ionic contamination tester). | We are use to seeing cleanlines
Electronics Forum | Thu Aug 06 13:09:37 EDT 1998 | Ben Salisbury
| Is there any problem using SMT on gold boards? 15 years ago we were told not to use gold boards, but I can't remember why. Judging by the other postings it now appears to be common. Only problem I see is that the nickel should be plated, not ele
Electronics Forum | Mon Oct 19 17:43:12 EDT 1998 | John Gregory
Ryan - I noticed your comment concerning solid solder and was compeled to drop a note. We have developed a process which uses some material characteristics from earlier efforts with this technology and profiled it for flip chip and area array attach
Electronics Forum | Mon Oct 19 17:45:25 EDT 1998 | John Gregory
Dave - I noticed your comment concerning solid solder and was compeled to drop a note. We have developed a process which uses some material characteristics from earlier efforts with this technology and profiled it for flip chip and area array attach
Electronics Forum | Tue Jul 14 15:02:38 EDT 1998 | Brian Conner
Dave: Wayne is correct with his analysis of ultrasonic spraying - we also use Sonoteks. However, your post didn't ask for a different system, just a clarification regarding your problem. What type of flux system are you currently using - spray, f
Electronics Forum | Fri Jun 26 08:00:45 EDT 1998 | John Klimek
I have a used Hollis machine that might suit your needs. The only problem is that it is an oil blanketed machine. It is a 7" Hollis Nova 175. Right now it is collecting dust. | | | | | | | | | | Is anyone aware of any papers/publications dealing
Electronics Forum | Fri Jun 19 18:44:23 EDT 1998 | Steve
Does anyone have wave solder experience using OSP and VOC free no clean flux?
Electronics Forum | Thu Jun 18 12:15:58 EDT 1998 | Bill Schreiber
Dear Maurice, Alcohol is a very "vertically oriented" cleaner. It cleans only a selected few types of solder paste. There are also numerous reports of fires and explosions associated with alcohol stencil cleaners. Plus, alcohol stencil cleaners us
Electronics Forum | Thu Aug 29 19:59:46 EDT 2002 | davef
Tough to say. TI used Pd. Ask your supplier.
Electronics Forum | Tue Jun 09 08:15:48 EDT 1998 | John L. Neel
Hello, Some time ago before I was an engineer the company that I work for now made it a company policy to not allow hot air leveling for reasons that I do not know about yet. All I know that this policyt agreed with the MIL standards at the time, bu
