Electronics Forum | Mon May 24 09:52:06 EDT 1999 | john thorup
| | | Has anyone had any experience or data using vibration during the reflow process. | | | We introduced a vibration device attached to the fixed rail on a Vitronics reflow oven. The reason was to prevent skewing on large PLCC devices. The process
Electronics Forum | Tue May 11 06:30:41 EDT 1999 | Joe Byrde
| | | | | | | | | | | I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular
Electronics Forum | Fri May 07 17:02:01 EDT 1999 | Earl Moon
| On 1.27mm (0.050 inches) Standard Ball Grid Array's. | The ball size diameter starts at approximately 0.025 inches. | | If the ball size decreases to 0.012 inches (due to the solder flowing down a via) is the solder connection reliable? | | This
Electronics Forum | Thu May 13 18:36:55 EDT 1999 | Andrew Wulff
| | On 1.27mm (0.050 inches) Standard Ball Grid Array's. | | The ball size diameter starts at approximately 0.025 inches. | | | | If the ball size decreases to 0.012 inches (due to the solder flowing down a via) is the solder connection reliable? |
Electronics Forum | Mon Apr 26 21:50:32 EDT 1999 | Dave F
Dave said: | | So Earl, have you gone honest and haken a real job or is this a consulting project? | | | | TTYL | | | | Davebert | | | | | DamnDaveBert, | | I know you didn't mean to insult such a sensitive one as me, but putting honesty and re
Electronics Forum | Sun Apr 18 19:18:28 EDT 1999 | Wayne Bracy
| | | | Please visit our Web site, especially 'link page', to get some hint for roll typr of cleaning wiper for automatic screen printers. http://www.squeegee.co.kr | | | | | | | Idiot: I wouldn't visit your site if I had to start using toilet pap
Electronics Forum | Wed Apr 21 00:35:31 EDT 1999 | Scott Cook
| Netters, | | When I reflow a PCB there is a discoloration of silkscreen and mask. It appears if Profile is too hot! But I dont think so, maybe I'm wrong? | | 1. Kester 293 no clean | 2. 2.1 C/s for 30s to 150 C | 3. .5 - .7 C/s for 60s to 185
Electronics Forum | Fri Mar 26 12:59:51 EST 1999 | Scott McKee
| | I am looking into replacing another business division's Acrylic coating process with our Urethane coating process. Unfortunately, MIL-I-46068 doesn't differentiate AR/UR's performance, and the MFR data sheets don't match up at all (they each spe
Electronics Forum | Mon Mar 29 04:36:49 EST 1999 | Graham Naisbitt
Just for the record folks, The customer I believe may be manufacturing stuff for refuelling rigs of various forms. This being the case, the coating would need to be resistant against fuels and oils. The UR material (at least ours!) is able to resi
Electronics Forum | Mon Mar 29 19:17:47 EST 1999 | Scott McKee
How true, AR would not be the right choice... Scott | Just for the record folks, | | The customer I believe may be manufacturing stuff for refuelling rigs of various forms. | | This being the case, the coating would need to be resistant against f
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