Electronics Forum | Fri Mar 07 20:52:51 EST 2003 | Neil
With any kind of statistical study you must have some limits to which you can measure against. The whole purpose of generating a CPK is to ensure that the equipment under observation can meet these limits when used under normal operating conditions.
Electronics Forum | Wed Jul 17 10:44:19 EDT 2013 | gregcr
Hi All, Has anyone seen or used equipment that is capable of automating the process of attaching hookup wire directly to a large SMT pad? Soldering, ultrasonic? I'm looking to see if there is a machine that is capable of automatically taking a tef
Electronics Forum | Wed Jul 04 12:22:07 EDT 2001 | davef
Several points: * Consider that your Cpk is probably different for both placing large and small components. * Probably your routine placement rate SB the speed you use to monitor the accuracy of your process. * Some people use a calibrated glass test
Electronics Forum | Fri May 26 02:22:18 EDT 2000 | Sal
Generally a good and safe option when selecting a printer, A rhobust machine with good process capabilities. We print anything from 0402's to CCGA's using proflow, as well as print adhesive with no problems. The 265 ranges from the MK1 TO Infinity mo
Electronics Forum | Fri Apr 09 15:41:11 EDT 1999 | Matt Stackhouse
| DOES ANY ONE KNOW HOW I CAN STRAIGHTEN | BENT PINS ON A FINE PITCH QFP WITH OUT DAMAGING | THE CHIP. AT $300 A CHIP I CAN'T SCRAP THEM. Here is a neat trick if you have the equipment. If your company does any feature measurement of mechanical de
Electronics Forum | Mon Dec 31 08:51:58 EST 2001 | davef
Warp depends on: * How close the board gets to its Tg during the solder cycle (the closer you get to the Tg the worse the warp gets) * Amount of copper on each side and the balance between the two * Thickness of the board * Overall length x width * T
Electronics Forum | Mon Mar 10 10:17:15 EST 2003 | gregp
Tact time as defined by the IPC 9850 standard is "the average time required to place a single component while maintaining the specified placement process capability. Excludes transfer time, fiducial time and nozzle change time." Sounds like what you
Electronics Forum | Fri Apr 11 09:36:55 EDT 2003 | davef
We don't know anything about using "old Tango for DOS". First, consider the fabricator of your part as the THE most appropriate place to look for layout recommendations. We've discussed the heirarchy of sources for layout information previously he
Electronics Forum | Wed May 07 09:21:46 EDT 2003 | davef
Here's some papers: * �Voiding Of Lead-Free Soldering At Microvia�; Dr. Hyoryoon Jo, B. Nieman, and Dr. N.C. Lee Indium Corporation of America; SMTA International; 09/22/2002 * �Solder Joint Formation With Sn-Ag-Cu And Sn-Pb Solder Balls And Pastes�;
Electronics Forum | Tue Aug 18 16:16:36 EDT 2020 | charliedci
We have a Glenbrook Jewel Box 70T, purchased about 5 years ago, Think it was around $60K quoted price (we traded in our old Glenbrook for a discount), Software pretty basic, can store images and has some graphics and image processing capability. It h
