Electronics Forum | Fri Sep 10 17:32:59 EDT 2004 | Yngwie
We have recently faced lifted lead problem that happened on our 20 mil pitch QFP. We have infact pushed it back to the incoming quality, but still I have a few questions to bring up : 1) what is the typical coplanarity tolerance that ICs' manufactur
Electronics Forum | Wed Sep 15 05:33:04 EDT 2004 | Rob
Hi, The thing with Formula 1 is that they can afford to throw innumerable bodies at tasks (i.e. 8 people to change 4 tyres, 1 to hold a jack, 1 or 2 to refuel, 1 to hold a stop sign, 1 to hold a fire extinguisher, 1 with a stop watch, and the bloke
Electronics Forum | Mon Sep 20 21:37:14 EDT 2004 | Hayden
Hi folks, I currently use the supermole gold to do all my SMT relfow profiles. However, I've lost the charger for the supermole battery pack. If someone also use this tool and have their charger handly, would you please look at your charger and give
Electronics Forum | Tue Sep 21 10:20:47 EDT 2004 | Arvydas
Hi, all, We are looking for new chipshooter with 10-20K CPH speed. Unfortunately, we are not experts in P&P machines. For the moment we have 2 machines with speed 3-5K CPH and we are going to rise one speed level up. Our products are low to medium vo
Electronics Forum | Thu Sep 23 14:58:50 EDT 2004 | C Lampron
EMS-Engineer, Lead free alloys have a very low wetting creep. You probably will not ever get the same type of weting with a LF as opposed to SN 63/37. The question is if it is acceptable. Lead free solder joints cannot be inspected to the same crite
Electronics Forum | Mon Sep 27 11:30:05 EDT 2004 | grayman
Your problem is easy. Lead free solder is like 63/37 solder paste when it was started. We make things complicated. We believed before that lead free has high melting temp and will not produce good fellet so on.... The only thing you must do is to lo
Electronics Forum | Fri Sep 24 05:34:12 EDT 2004 | FengAng
Hi Rob, I don't think you're so right about this thing. In China, there're so many companies that are using the most advanced equipments in the world. Machines using in Europe can also be found in China. In my company, we have the equipments like S
Electronics Forum | Mon Oct 04 09:15:52 EDT 2004 | SBUCKLEY
We are looking at replacing our present SMT equipment and so far reviewed the Samsung CP40C/S, CP40 CV/S and the Contact C5. I am looking for user of either manufacturer in thier operations and your assessment on the machines. Has anyone purchased a
Electronics Forum | Wed Oct 06 00:18:01 EDT 2004 | crios
We will be outsourcing all of our PCBAs and would like to know if other companies perform DVT testing, ESD, Emissions on all of your boards or only on main boards? Our shipping deadline is near and I would like to determine the risk in not performing
Electronics Forum | Mon Oct 25 17:55:47 EDT 2004 | Mike
Circuit Science, Inc. Plymouth, MN Mike Dupont / Sale Mgr. www.circuitscience.com miked@circuitscience.com Please send me an email and we will take a look at your pcb. We have been in the PCB industry for over 30 years. 2 layer boards - 18 lay
Electronic manufacturing services - electronic design, development and manufacturing. Circuit board design, prototyping, FPGA services, signal integrity and simulation, pcb assembly. Factories in California USA and Malaysia.
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