Electronics Forum | Tue Jul 01 14:15:30 EDT 2003 | cristiano
Please send us more information about how the glue dots can cause capacitor cracks. I didn�t understand why it could happen. Thanks
Electronics Forum | Fri Jul 04 01:32:15 EDT 2003 | rheise
I've seen numerous incidences of mirror image cracking under endcaps in high dielectric material ceramic capacitors due to thermal cycling. If the cracking is deep enough to extent through the plates you can get breakdown and shorting. Section the ca
Electronics Forum | Fri Apr 18 19:15:49 EDT 2003 | adlsmt
Please elaborate on "De-paneling method" vs. boards being "snapped out of thier pannel". Read the last post before mine again.
Electronics Forum | Tue Jul 01 11:15:43 EDT 2003 | PH
Are these caps on the bottom side or topside? Bottomside could be the glue dots are too big for the caps your putting down, the glue cures and then the solder is putting force on the edges of the cap causing cracks.. Other than that agree with oth
Electronics Forum | Mon May 10 15:26:11 EDT 2004 | hertenstein
Sorry, I was not clear. I am interested in the strain on the PCB during depanelization using a parallel blade shear. And the effect on ceramic capacitors on the PCB. I was not shearing the capacitor off of the PCB. Regards, Jeff
Electronics Forum | Tue May 27 12:53:15 EDT 2003 | davef
Our solder irons are tuned to 700*F, but the in-use temperature varies according to the solder alloy and the characteristics of the board and components. Check some of the papers on multilayer ceramic capacitors. They get fairly specific, for insta
Electronics Forum | Thu Sep 10 09:47:15 EDT 1998 | Earl Moon
| hi, | 1206 capacitor with silver/palladium termination is mounted onto a ceramics substrates. Bonding is achieved through conductive epoxy. | We discovered that the epoxy cracked and this caused missing capacitor. We had tried different grade of e
Electronics Forum | Sun Dec 03 15:35:44 EST 2000 | Michael Nguyen
Wow. And I thought I was the only one having problem with ceramic capacitors.I too am having problem with cracking ceramic capacitors 1206 package.We changed vendors and still having the same problem. I had to reverify my entire process and I had to
Electronics Forum | Fri May 07 15:08:51 EDT 1999 | ANIROOTH
| | I would like to know if someone aleady have problems with Ceramic Capacitors SMD in In-Circuit Test (see below)and how did you solve this problems ? | | | | PROBLEMS | | 1 - Only one kind of capacitor (2n2F), of all capacitors on board, sometim
Electronics Forum | Mon Mar 21 12:49:16 EDT 2011 | Nigel @ Rakon
I am having issues with Solder balls on Ceramic devices, all LEAD FREE SOLDER. The cermaics are only 7x5mm in size. The balls appear around the 0402 capacitors. I have a varying humidity from 15 to 40 %rh which is slightly low but I cannot control.
