Electronics Forum | Wed Apr 29 14:59:54 EDT 1998 | Earl Moon
| DEAR TECHNETTER'S, | When profiling for the reflow process, we are given a recommended profile to use for the solder paste (no-clean). They give us a range of times to be in each zone. Ex.
Electronics Forum | Thu Apr 30 08:55:53 EDT 1998 | Earl Moon
| | DEAR TECHNETTER'S, | | When profiling for the reflow process, we are given a recommended profile to use for the solder paste (no-clean). They give us a range of times to be in each zone. Ex.
Electronics Forum | Thu Apr 30 08:55:10 EDT 1998 | Chrys
| | DEAR TECHNETTER'S, | | When profiling for the reflow process, we are given a recommended profile to use for the solder paste (no-clean). They give us a range of times to be in each zone. Ex.
Electronics Forum | Thu Apr 30 11:28:23 EDT 1998 | Earl Moon
| | | DEAR TECHNETTER'S, | | | When profiling for the reflow process, we are given a recommended profile to use for the solder paste (no-clean). They give us a range of times to be in each zone. Ex.
Electronics Forum | Tue Apr 28 14:03:03 EDT 1998 | Achim
We want to produce BGA�s which will be see burn in conditions of 140�C / 24h active tested. Now we think about problems for the solderball uniformity. Does anybody know about problems or about special solderball alloys for such productsconditions ?
Electronics Forum | Tue Apr 28 13:04:02 EDT 1998 | Mike Cox
Please email me if you know of anybody who can source Conductive IC tubes, thanks Mike Cox
Electronics Forum | Tue Apr 28 09:55:32 EDT 1998 | Earl Moon
>1. What are the two files that will allow you to start layout of a > >printed circuit board that has no Mentor Graphics schematic? > > > >2. In DA, what is a ripper? > > > >3. How do you kill a process in UNIX? Thanks, Earl Moon
Electronics Forum | Mon Apr 27 16:46:44 EDT 1998 | Ryan Jennens
Does anybody know where I can get a SMD digital reel counter? I am looking for used; is there somebody that sells used, refurbished?
Electronics Forum | Sat Apr 25 08:48:45 EDT 1998 | raymond
Is there an industry standard in calculating SMT process PPM level for benchmarking purpose ? What are the industry benchmark ppm number for some of the defects like solder short for 20-mil QFP, tomstone problem for 0603 components etc....
Electronics Forum | Fri Apr 24 14:34:14 EDT 1998 | Ed Holton
Looking for anyone who has experience with high temperature soldering. Need to determine why solder joints are failing. Thermocycling of unit is -40C to +140C, 30 minute dwell time, 10 sec. transition time Your help is appreciated Ed Holton Hella E