Electronics Forum: v score crack (Page 1 of 20)

ceramic cap crack

Electronics Forum | Mon Jun 21 12:02:36 EDT 2010 | roland_grenier

check your de-panelling process if you are using break-out tabs or V scoring.

ceramic cap crack

Electronics Forum | Fri Jul 09 19:09:52 EDT 2010 | rway

A couple of things: Does the cap break if you try to remove it with hot air? If not, than you are breaking the caps do to mechanical stress. We have had similar issues. I don't think your board is suffering from mechanical stress from depaneling o

ceramic cap crack

Electronics Forum | Fri Jun 25 09:18:23 EDT 2010 | flipit

Thanks, Dennis. That is a good idea, but I > have problem :) - our logistic department lookig > for cheap components...What other mnfg of cap you > use? Regards, The capacitor dielectric material might be something you could look at also. COG,

pbga substrate crack vision system

Electronics Forum | Thu Sep 24 18:57:03 EDT 2009 | davef

From "siliconfareast.com": Basic Die Cracking FA Flow 1) Failure Information/Device and Lot History Review. Understand the customer's description of the failure, i.e., the failure mode, where it was encountered, what conditions the sample was subject

V-score cracking components

Electronics Forum | Wed Nov 09 11:33:30 EST 2005 | bobpan

hahhaahha....wow....now thats funny

V-score cracking components

Electronics Forum | Wed Nov 09 15:28:08 EST 2005 | Samir Nagheenanajar

I thought the green smocked fellow is the MoonMan himself! That's not you?

V-score cracking components

Electronics Forum | Thu Nov 10 06:00:36 EST 2005 | stepheniii

Break off the break-away? If you are going to fixture the board why not just buy a cutter?

V-score cracking components

Electronics Forum | Tue Nov 08 17:12:10 EST 2005 | Erik

I haven't heard of heating boards pre-depanel either. We have done extensive studies on cracking of ceramic caps close to V-scored edges and have decided to have our board vendors pre-rout any areas with caps close (

V-score cracking components

Electronics Forum | Wed Nov 09 11:18:39 EST 2005 | Beef Kakes

Cracked components will occur when the component is stressed. The only way to stop this is to not stress the part when removing the score. This can be done by fixturing the board top and bottom so it doesn�t bow when breaking off the breakaway. Vi

V-score cracking components

Electronics Forum | Wed Nov 09 11:22:56 EST 2005 | Samir Nagheenanajar

I visited the site. The guy with the green smock at the screen-printer looks familiar. I didn't find any info. on V-Score design.

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