Electronics Forum | Sat Nov 26 00:02:17 EST 2011 | kevintough
I agree with this post about new and standard component names. Standard components should not be changed outside of perhaps widening the tolerance to accept poorly produced components. By purchasing poor quality/cheep components your purchasing depar
Electronics Forum | Fri Jun 02 06:16:20 EDT 2023 | calebcsmt
As a user of Samsung (Hanwha) machines for close to 10 years now, we have yet to have any major issues at all. We've also personally not come across any component we weren't able to fairly easily place/recognize. I definitely agree that some other
Electronics Forum | Thu Feb 10 07:13:06 EST 2000 | JAX
Doug, If you are looking to reduce the size of your database you have many options. You can use the Jedec outline or Jedec name to standardize your component library. Otherwise you can set one up specific to the dimensional info you measure. If you
Electronics Forum | Mon Sep 11 09:39:31 EDT 2000 | Chris May
Charlie, Check: a)That your wave is not too high/powerful as this will push up components due to force exerted by mass of solder b)That your conveyor is set at optimimu height so that a) is not required. If conveyor is too high, then the wave will
Electronics Forum | Fri Jun 09 17:34:08 EDT 2000 | Melanie Mulcahy
I need some information regarding the acceptability/unacceptability of using tented vias with LPI soldermask. Long story on all involved, but basically I have a board that I have had manufactured with no problems which has BGA/uBGA parts, tented via
Electronics Forum | Thu Nov 04 10:07:32 EST 1999 | Wolfgang Busko
Sometimes when using a new pot of paste you get one which isn�t good at all without any noticable appearance at first sight. You might try a new one. Despite the fact that you run the same profile as usual a defect of the oven of any kind unnoticed c
Electronics Forum | Tue Aug 31 10:52:19 EDT 1999 | Andreas Foehrenbach
I'm in univerity research on SMT assembly systems. Especialy Simulation and Optimisation using OR-Methods. We developed flexible simulation models of various assembly-machines and use them for performance estimation (Components per hour) under differ
Electronics Forum | Thu Nov 19 06:20:44 EST 1998 | Kelly
| For some as yet unkown reason, we have started to have some boards sag and go under the wave. The boards are surface mount top side and conventional components wave soldered. We have checked the wave hight and both the profiles on the wave solder a
Electronics Forum | Thu Jun 25 11:47:39 EDT 1998 | Steve A
| Hi there, | Does any one know what is TCE for fully wet saturated FR4. I came to know that for Dry FR4 the TCE is about 15-19 PPM �C. Is that true? | | Appreciated for your help. | rgs, | chiakl Chiakl, It looks like you are speaking of what could
Electronics Forum | Thu May 28 21:35:12 EDT 1998 | Soeurn Ses Top Line
| | | Does anyone use the "Quick Frame" with their Dek printer? | | The threads on the screws keep stripping, so we thought | | maybe we'd send our frames to a machine shop for heftier | | screws. Has anyone done this? Is there a better way? | | Isn
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