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dwaltoneng Report Post Thanks(0) Quote Reply Posted: 19 Jun 2013 at 5:07pm jameshead wrote: To be honest for something like a BGA or QFN I wouldn't bother with the balls or terminals - I'd just want a square cube
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dwaltoneng Report Post Thanks(0) Quote Reply Posted: 19 Jun 2013 at 5:07pm jameshead wrote: To be honest for something like a BGA or QFN I wouldn't bother with the balls or terminals - I'd just want a square cube
| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_12_17_08.pdf
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/dage/about/blog/the-power-of-2d-and-3d-inspection
. The results of this can be seen below. Multiple 3D rendered views of the BGA device. It can clearly be seen there is a difference in the ball shape highlighted with red arrows compared with surrounding balls
| https://www.eptac.com/wp-content/uploads/2021/11/webinar_eptac_05_19_10.pdf
This is a stack up of BGA types of packages New Section 8.3.15 Flattened Post Connections, Round Solder Land Criteria for Class 3 has not been established for this device, so only requirements are for Class 1 and 2 17 Highlights of 001 Changes
| https://www.eptac.com/are-voids-in-solder-joints-really-an-issue/
don’t want solder balls, don’t use solder paste because we did not have that many little tiny solder balls before, and we are not going to accept the condition now. Yup
| https://www.eptac.com/blog/are-voids-in-solder-joints-really-an-issue
don’t want solder balls, don’t use solder paste because we did not have that many little tiny solder balls before, and we are not going to accept the condition now. Yup
| https://www.eptac.com/faqs/soldertips/page/3
. Have a specific question of your own? CLICK HERE SolderTip #46: Open Connections Found on BGA Components General Tip Question: We have been stumped by occasional opens at the corner balls of some BGA components after reflow
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. For something like a BGA, would you also want all the balls to simply be cylinders? Nick B Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 02 Jan 2012 Status: Offline Points
PCB Libraries, Inc. | https://www.pcblibraries.com/forum/3d-step-to-vrml_topic976_post3698.html
. For something like a BGA, would you also want all the balls to simply be cylinders? Nick B Members Profile Send Private Message Find Members Posts Add to Buddy List Admin Group Joined: 02 Jan 2012 Status: Offline Points
