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 | Sat Aug 22 15:12:32 EDT 2009 | rossi
Thank you for replying. 1) the finish is Gold Immersion (ENIG) 2) paste type EM907 SN96.5/AG3.0/CU0.5 3) it is always the same BGA but its not on the same ball every time. It is always at the joint on the PCB pad like the solder is not sticking prope
Electronics Forum | Tue Jun 20 20:31:12 EDT 2000 | Dave F
Chrys you're fine. On scoring: * Be sure spec material remaining, not what is removed. * Be sure that the v-grooves are perpendicular to each other, not off set. * Typ spec for for .062 thick boards FR-4 0.018-0.024 MC-3 0.030-0.040 * HADCO recomm
Electronics Forum | Tue Jul 13 13:37:23 EDT 2010 | pjc
That's cold compared with this specification from a leading oven mfr.: Flow Rate - 1.0 - 3.0 US gal/min (3.79 - 11.4 l/ min) • Inlet size and pressure - 0.5 in. male NPT; 310 - 483 kPA (45 - 70 psi) • Pressure drop - 200 kPa @ 11.4 l/min (30 psi @ 3
Electronics Forum | Fri Dec 09 08:24:48 EST 2005 | zanolli
Dear Technetters We have a unique soldering operation that needs automation and we will be evaluating various methods including laser reflow and Spirig�s Microflame. The actual soldering operation entails joing two metal contacts by depositing a sol
Electronics Forum | Tue Jun 29 11:17:48 EDT 1999 | Clifford Peaslee
Scott, The folder management in the email section uses a standard set of functions created years ago by Sun and Netscape, and is supported on Netscape 2.0 and IE 3.0. Unfortunately the whole set gets loaded instead of the one small file needed for t
Electronics Forum | Tue Jun 29 12:49:12 EDT 1999 | Scott Cook
| Scott, | | The folder management in the email section uses a standard set of functions created years ago by Sun and Netscape, and is supported on Netscape 2.0 and IE 3.0. Unfortunately the whole set gets loaded instead of the one small file needed
Electronics Forum | Mon Apr 26 16:26:02 EDT 2004 | specialed
Does anybody know where I can get a copy of CSM Toolbox. Also a copy of the Optimizer or Digitizer. TY in advance. We just got a CSM84V and are having problems communicating with the machine {can't download files}; {CMU is not ready}. I have tried lo
Electronics Forum | Mon Apr 22 20:19:28 EDT 2013 | dman97
Thanks for the advise, but it appears that there is more to this issue than just the input/output configuration. Is there anyone in the San Francisco bay area that can help troubleshoot this machine for me? I am located in Fremont California and am
Electronics Forum | Fri Dec 27 17:13:53 EST 2019 | rhormigox
Thank you for the answers. The paste is as spec No-Clean https://www.chipquik.com/datasheets/TS391SNL50.pdf I'am writing them too. For the excessive cooking not sure, the oven sensor (that I think is about right) looks I am close to the profile, bu
