Electronics Forum | Wed Apr 29 10:05:05 EDT 2009 | wavemasterlarry
you have to lots of paste. one makes balls, one doesnt. Then why bake parts to over come bad paste? Sounds like the paste maker mixed the formula wrong on the one lot of paste. I used to work at a paste place and a lot of hand mixing is done at t
Electronics Forum | Thu Apr 30 15:30:34 EDT 2009 | boardhouse
From what I was told, more people will die from lead poison. I love the US, everything is a crisis. The number of deaths attributed to lead poison have not been reduced to this date by going ROHS. Me thinks we have all be scammed. Of course I got
Electronics Forum | Fri Oct 30 07:45:11 EDT 2009 | rwyman
Anyone else wonder why this strain isn't referred to by it's country of origin, as others thruout history have been? e.g. Asian flu, Spanish flu, Hong Kong flu. As far as I'm concerned, this one should be referred to as the Mexican flu. I wonder w
Electronics Forum | Thu Apr 30 12:50:07 EDT 2009 | realchunks
Could be board support. Breakaway boards are a little more flimzy than boards without. A bowed board will cause miss placements - again can be overcome with proper supports (depending on the machine) I would bet that the boards with breakaways h
Electronics Forum | Fri May 01 16:04:17 EDT 2009 | jimmyboz
I found your ealier thread, when you swapped amps for trouble-shooting, as a rule of thumb, always swap them back, otherwise, you may introduce a new unexperienced problem. The original problem, (Z2 according to the thread) will not influence H1 unl
Electronics Forum | Fri May 01 07:22:56 EDT 2009 | kareal
In my project of flip chip PGA production , I found serious delamination in interface of solder mask and first layer copper trace of substrate after UHAST 96hrs( 130C, 85%RH) reliability test. The delamination are always around one type solder bump,
Electronics Forum | Sun May 03 17:58:22 EDT 2009 | cusackmusic
I just bought a used Contact Systems CS-400D, and it does not have manuals. Does anybody have an extra set? Also, I haven't seen the machine yet, but I am wondering about getting PC software to do the programming and off-line programming. Who is a
Electronics Forum | Thu May 07 23:02:35 EDT 2009 | cusackmusic
Bob has been very helpful so far. He was very reasonable on the price for the manual too. I think I'll have this thing in production by Monday Morning! So far I've replaced the 5V Power Supply, re-aligned the X and Y, and re-laminated the table to
Electronics Forum | Mon May 04 14:31:19 EDT 2009 | markgray
I am trying to figure out a strange problem on our machine. When I turn on the component verifier fuction the pick in the feeder offsets to the right 3-4mils. This is causing mispicks on 0805 and 0603 parts. When I turn off the verifier the pick is c
Electronics Forum | Fri May 22 16:16:36 EDT 2009 | pjc
Electrovert's studies for Hot Air de-bridging Knife (HAK) for Pb Free alloys have shown it to be ineffective. When its hot enough to do the job, you're damaging the board, cooling it down to prevent damage is not hot enough to de-bridge properly. Ya
