Electronics Forum | Tue Aug 14 10:01:32 EDT 2007 | gmoritz
I have posted earlier on a UIC Radial inserter machine. We have the machine running after repair of the CnC head. However, I now have a process problem with a board that has 256x3 LED parts (768 LEDs in three colors) where only 50% of the LEDs can b
Electronics Forum | Fri Aug 24 15:18:51 EDT 2007 | consultacionbc
Stephen, This is a board designed for medical apparatus and we're needing to change 3000 placements, it's about 2000 different parts. Some boards have about 90 parts and some have greater amount. Impedence of the board happens to be a great issue
Electronics Forum | Fri Oct 12 14:53:40 EDT 2007 | chef
The only sophisticated customer I have is 100% ROHS and actually spec.s material and properties for the fab.'s. The rest have mostly just called in and requested we process ROHS without having to change the drawings or provide a spec. nary a complain
Electronics Forum | Tue Oct 16 12:34:40 EDT 2007 | actech
I have a V III that has a bad "Y" axis Bearing, it is different from the CSM 84 /V/VZ machines "It has dual bearing races on each side", Anybody have one for sale or a part number Philips list the machine as an "END OF LIFE" machine and support is li
Electronics Forum | Wed Oct 24 21:17:13 EDT 2007 | hussman
Ramp rate is measured in degrees per second. Max and min temps are not required to to establish "ramp rate". The difference between parts, like I was describing is Delta T. But, ramp rate is a generation from this as well. Most component manufact
Electronics Forum | Wed Oct 31 16:56:11 EDT 2007 | glenearl
Has anyone ever looked into the possibility for laser marking 1812 size X7R ceramic chip capacitors injecting sufficient energy to cause cracking when voltage is applied? If so, what were the findings? We are having failures of caps from one manufa
Electronics Forum | Mon Nov 19 09:04:21 EST 2007 | rgduval
We determined moisture more as a diagnosis based on omission. We eliminated the other variables, noted that the parts were cracking in reflow, and deducted that it was trapped moisture. As the moisture expands, the component can be cracked/destroye
Electronics Forum | Tue Dec 04 10:30:16 EST 2007 | slthomas
Q: The question I have is do they wet in wave solder, and if they do, why does it matter what happens to them in reflow? A: Yes, but somebody here don't agree with me that the glued part need help from wave to get the good wetting. They are wrong
Electronics Forum | Thu Dec 20 06:21:44 EST 2007 | kelz
Paul, My sincere apologies for striking a nerve - that was not my intent. I do not work for a board house, nor am I pushing anything on you. My comments only come from my history of having to use parts that made manufacturing a nightmare. I do unders
Electronics Forum | Wed Dec 19 23:53:04 EST 2007 | daxman
Hey Logan, This is an excellent resourse and should have pretty much everything you need. http://www.national.com/packaging/parts/MDIP.html#8 You get a list of a lot of different components and their pictures. You can view their dimensions and look
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