Electronics Forum | Tue Jun 06 13:41:16 EDT 2000 | Charles Harper
I would like to refer you to John W. Kratz, author of Chapter 8, as listed at the top of the forum. John is the outstanding specialist in this subject area.
Electronics Forum | Sun May 02 18:52:36 EDT 1999 | JohnW
| Tombstoning 0805s w/palladium/platinum/silver terminations | | We are experiencing tombstoning problems on 0805 packages that have paladium/platinum/silver terminations. It comes & goes...... | | I�ve checked the reflow profile, and paste deposi
Electronics Forum | Tue Jan 11 09:47:01 EST 2000 | Dave F
Abbas: Sources of information on DFM/DFT are: � "SMTnet Express" articles on DFM by Earl Moon � IPC-D-279, 'Design Guidelines for Reliable Surface Mount Technology Printed Board Assemblies' � Books in SMTnet and SMTA book stores � Other examples ar
Electronics Forum | Wed Jul 14 10:58:25 EDT 1999 | Upinder Singh
| | Hi All, | | Does any one experienced the solder on gold finger after | | reflow. Its about 5 to 8 mils diameter . | | We'd clean the entire screen printer, mounter & reflow as well, | | but doesn't help much. | | | | | Mr Kong..... | | Solder
Electronics Forum | Tue Mar 27 15:53:13 EST 2001 | johnw
RW, I've been printing glue by stencil for a while. Like the other guy's say there are various method's and material's that you can use but then your printing paste so the ideal is for as little change as possible to the method's your already using.
Electronics Forum | Tue Mar 27 15:53:14 EST 2001 | johnw
RW, I've been printing glue by stencil for a while. Like the other guy's say there are various method's and material's that you can use but then your printing paste so the ideal is for as little change as possible to the method's your already using.
Electronics Forum | Wed Jul 14 19:09:54 EDT 1999 | JohnW
| | | I am examining cut & form PTH component prep equipment to help in our manual PTH insertion process. We need the ability to process both axial & radial with snap-in and stand-off capability. Low volume with the ability to feed bulk, T&R, or Stic
Electronics Forum | Tue Jul 13 19:00:29 EDT 1999 | JohnW
| Hi All, | Does any one experienced the solder on gold finger after | reflow. Its about 5 to 8 mils diameter . | We'd clean the entire screen printer, mounter & reflow as well, | but doesn't help much. | | Mr Kong..... Solder on gold is a age old
Electronics Forum | Wed Jul 14 11:36:56 EDT 1999 | Jimmy Strain
| | | Hi All, | | | Does any one experienced the solder on gold finger after | | | reflow. Its about 5 to 8 mils diameter . | | | We'd clean the entire screen printer, mounter & reflow as well, | | | but doesn't help much. | | | | | | | | Mr Kong..
Electronics Forum | Mon May 24 13:33:46 EDT 1999 | Dave F
| We are running a number of boards with 8-10 25 mil PQFPs on board. Our process is mature with at least 3 years experiance and statistically few opens on the QFPs. Our beloved purchasing department has chased the almighty $ and changed FAB vendor
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