Electronics Forum | Fri Nov 16 08:22:03 EST 2007 | ck_the_flip
For those of you who've completely switched to Pb-Free or who're running in a mixed environment, are you also buying or specifying the "RoHS PCBs" - the ones with * Greater Tg (glass transition temperature) * Thru-holes with limited drill hits and
Electronics Forum | Wed Nov 28 01:07:36 EST 2007 | shy
is there any standard gap between the terminal and pad if we place the glue? SMT-4 mention as per what you understand which is using glue at SMT without solder paste and run at wave solder for the solder paste at the terminal. Glue supplier recomm
Electronics Forum | Thu Dec 06 20:35:14 EST 2007 | davef
First, let us pause for a moment, bow our heads, and say a small prayer for Ill. Second, the only thing that is absolutely necessary is to do some things that make your customer feel that you're smart and did a comprehensive job of assessing your ne
Electronics Forum | Tue Dec 11 19:48:37 EST 2007 | arun2382
Hi, If I were working with a 75 um thick stencil, Is there a spec. as to what the maximum value allowed on actual solder height measurements? Stencil type: Laser cut and electropolished Solder paste type: Type 4 Sn-Sb Would the measured values va
Electronics Forum | Mon Dec 17 09:38:56 EST 2007 | dborgelt
We have an outdated Metcal rework station and are thinking about purchasing a new one. We need something that has heat profile capability. We don't really need anything automated, just something that's affordable, durable, and gets the job done. Does
Electronics Forum | Fri Dec 21 10:12:46 EST 2007 | ck_the_flip
Operator, Think "opposite". You actually want to MINIMIZE the ramp-up rate. Think about 2 - 3�C per second as your upper limit for ramp up. You don't want to go more than 4�C per second for thermal shock reasons. All of this, of course, depends
Electronics Forum | Tue May 19 09:13:45 EDT 2009 | cyber_wolf
The loaders/carriers work well on CP643's in my opinion. We have had ours for about 4 years. However, if you crash them it can be a beeoch to get everything back into proper function. We have very little issue as long as we have our techs do rail wi
Electronics Forum | Mon Jan 14 16:07:38 EST 2008 | larryo
Can you tell me what LED's you are wanting to use and what size panel you will be putting them on? What kind of parts per hour placement to you want. I have a very fast and accurate hot bar solder system that may meet your application. It maybe used
Electronics Forum | Tue Jan 15 11:50:17 EST 2008 | pbarton
We too are trialling WS819 with SAC305 alloy. The foaming in cleaning causes us a headache but all other attributes seem much improved over earlier types. Previously we were using WS619 - no foaming issues but MUCH shorter stencil life (less than 4 h
Electronics Forum | Mon Jan 14 19:07:29 EST 2008 | swag
Your IC's should run great. I have changed out a handful of cameras inside the box (you know when your camera is burning out because the monitor will show black/gray horizontal lines). It's pretty easy. Aftermarket cameras are about $350 I believe
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