Electronics Forum | Wed Nov 30 05:12:53 EST 2005 | imachin
We have recently experienced problems with quite severe warping on a PCB after reflow by our PCB subcontractor. Any advice would be much appreciated!
Electronics Forum | Thu Dec 01 17:55:26 EST 2005 | russ
Your paste is oxidizing in reflow and not coelescing (spelling?) We failed kester W.S. for reasons such as this. There NoClean is a little better but we do not use that either. I would switch pastes and I will bet that your problem majically disapp
Electronics Forum | Wed Dec 07 06:27:12 EST 2005 | sayyarif@aecl.com
Dear, i faced the same problem. slow down the transport speed, increase the component hight & make the pick-place soft. Best regards.
Electronics Forum | Wed Dec 07 00:44:31 EST 2005 | arnold
were having a problem on the units after soldered. after few hours or days the soldered wires has green decay. what does it cause. how can i prevent this.
Electronics Forum | Thu Dec 08 08:29:25 EST 2005 | davef
Grant The solution to soldering problems with immersion gold boards is: find a supplier that can control his/her process. Electroplated gold over nickel is a very reasonable process. Billions of wire bound boards use it evry year.
Electronics Forum | Thu Dec 08 19:14:38 EST 2005 | khp_armin
We are encountering insufficient solder paste. Our stencil thickness is 0.13 mm and our printing pressure is 0.08 MPa our solder paste is Tamura TLF-204-19A. Please advice how to solve this problem.
Electronics Forum | Sat Dec 10 07:28:12 EST 2005 | davef
Tin whiskers are real and can cause serious problems. That's why NASA maintains a web page on the issue. [ http://nepp.nasa.gov/whisker/ ] and why space flight is is exempt from Euroland lead-free requirements.
Electronics Forum | Mon Dec 12 12:25:11 EST 2005 | John
I'm having problems feeding these to the pick and place. As the tape peels off the pocket the part sticks to the tape rather than remaining in the pocket. Machine is QUAD QSV. We've tried all generations of feeders we have available. Any advice is
Electronics Forum | Thu Dec 15 01:26:28 EST 2005 | jgarver1
Bert, Go into your proper and input a value in the id field. If it does not have a character assigned (normally 0) then you will get the "Invalid" error. Be sure to receive the proper first before editing and sending to the machine. This should f
Electronics Forum | Mon Dec 19 20:48:26 EST 2005 | Bert
Steve, Thanks for the response. We finally figured out the problem - the speed was set to zero in the proper - duuhhh. All works OK now. Cheers, Bert
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