Electronics Forum | Wed Aug 10 13:32:46 EDT 2005 | stefwitt
Unfortunately, I couldn�t get any money back from the dealer. I fear there are not many dealer, who would pay back. In respect to all the other dealers, who prefer to provide quality products and repeat business, I would like to mention, that follow
Electronics Forum | Wed Dec 21 17:11:47 EST 2005 | Mike Dolbow www.atotalgps.com
Has any one considered the melting eutectic of the plated part verses the eutectic of the paste it self. Inter metallic solids can form when mixing metals. Thus this causes solder joint reliability. Also a lot of vendors are putting out pure tin prod
Electronics Forum | Thu Dec 08 07:55:16 EST 2005 | davef
Your understanding of the situation is correct. In both cases, you solder to the nickel. The gold [Au] protects the nickel from oxidation. When soldering, the gold moves into solution in the solder and forms an intermetallic compound [IMC] with th
Electronics Forum | Thu Jan 12 11:45:18 EST 2006 | patrickbruneel
Noah 2005 In the year 2005, the Lord came unto Noah, who was now living in the United States, and said, �Once again, the earth has become wicked and over-populated, and I see the end of all flesh before me. Build another Ark and save 2 of every liv
Electronics Forum | Wed Feb 22 08:31:42 EST 2006 | davef
Q1 Are there any standard regulating the subject? Very few infos found on IPC. A1 We�re unaware of standards for packing and storage for most types of boards. * IPC 4553 standard for Immersion Silver Finish, 3.8 Packing and Storage. * J-STD-033 and E
Electronics Forum | Sun Mar 12 01:58:44 EST 2006 | grantp
Hi, We have been soldering lead free BGA's onto products with lead based paste, and we have had no increase in defects at all. We have used a standard lead paste profile, so we are not altering the temps anything from what's recommended by the paste
Electronics Forum | Tue Aug 22 13:05:32 EDT 2006 | Board House
Hi CP, From a PCB manufacturing side, all of our product is Lead free / RoHs compliant if it has a surface finish other than Hot Air. To be ROHS compliant and Able to with stand Lead Free Assembly, this is where the board house would need to switch
Electronics Forum | Tue Feb 13 15:56:16 EST 2007 | darby
Campos, This is a direct reply I recieved from Indium, (thanks to Rich Brooks), in late 2004 regarding SMQ230. I have followed these guidelines with good results using ENIG finish. Same also applies to Indium 5.1 apply to both alloys (SAC 387 and 305
Electronics Forum | Thu Mar 29 20:15:41 EDT 2007 | darby
PCB > Origin > Origin 0 4 Teach the corner of the pcb at the mechanical stop. This data is from the machine origin. For a unit with a teach camera it will probably be around -25x, 95y. For a beam sensor around 70x, 28y. This is for a right to left
Electronics Forum | Fri Apr 20 10:27:54 EDT 2007 | Machine Designer
I'm not a protectionist (yet), but I can surely know a trend in my industry when I see one. In the past 10 years we were looking to outsource precision machined goods to Asia. Although the quality wasn't there, the cost incentives made up for it ev
