Electronics Forum | Wed Oct 18 09:44:38 EDT 2000 | mike weekes
we're considering PWB finishes other than HASL - the uneven plating contributed to defects and the residues exceed our goal for PWB cleanliness. What success have any of you had with CuOSP, Immersion Silver, Gold or other finishes? Did you have to
Electronics Forum | Tue Oct 17 18:27:21 EDT 2000 | Philip Reyes
Hello fellows, Can you clear me up regarding the reballing of Plastic BGA? Is it necessary to reball plastic BGA module if you have missing ball defect? What is the alternative process for rework? Do i need to flip the module then apply paste on
Electronics Forum | Thu Oct 05 16:48:41 EDT 2000 | LarryK
Has anyone ever used the circuit repair kits? The type where you can replace a PTH or SMT pad that has been lifted or damaged? It appears that you just select a pad, trace or whatever needs replacing from a panel and heat or glue it onto the board.
Electronics Forum | Thu Oct 05 09:31:41 EDT 2000 | Daniel
Hi! Does anyone have experience from PCBs with mixed technology. Do you store the PCBs in nitrogen/dry air cabinetts if you�re not able to wavesolder the PCBs within the same day. What considerations need to be taken concerning popcorning/delaminati
Electronics Forum | Tue Oct 03 09:13:42 EDT 2000 | jarnopy
Hi This is what i think: 1. Screen printing is fast and dispenser is quite slow 2. Quality is poor on screen printing. Quality is very good on dispenser (dispenser must have screw+pressure function). 3. Screenprinter (automatic) and dispenser (auto
Electronics Forum | Mon Oct 09 12:09:16 EDT 2000 | Robert V. Kritz
David, I have worked with Manex ERP system for serveral years and at two different companies. I'm currently the Project Leader in the implementation of Manex at my new place of employment. Your message didn't state what you were interested in knowin
Electronics Forum | Fri Sep 29 13:07:39 EDT 2000 | Stuart Adams
Can someone recommend a company that will X-Ray my boards and provide some analysis of the results ?? I just got a lot of assembled boards back with a large number of bad boards (after several sucessful runs by this assembly house) I am trying to f
Electronics Forum | Sat Sep 30 12:14:32 EDT 2000 | jarnopy
Hi Maybe you have too small apertures in stencil. Good apertures size is 90% from pad. And one thing what you can try is that you cut your stencils(blades) aperture corners round (i mean like a oval). I hope that these advices can help you.
Electronics Forum | Wed Sep 27 12:44:52 EDT 2000 | Ashok Dhawan
What could be possible resons for " Plating Crack on Barrel (tented via)" This tented via is in proximity to parts being hand soldered. The crack in barrel was detected on failure analysis - micro-section of via where barrel is having crack ( circul
Electronics Forum | Thu Sep 28 14:36:45 EDT 2000 | James
We dump the paste in with the dross in a 55 gallon drum. It's all hazardus waste the only difference is paste has flux and dross is who knows what. We use waste recycler. I don't know if we get as much money back as you would from the manufacturer
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