| Through-silicon-via management during 3D physical design: When to add and how many? Recent countries visiting this post |  |
 | 10 | United States |
 | 2 | Japan |
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| Through-silicon-via management during 3D physical design: When to add and how many? Recent countries visiting this post | |
| 10 | United States |
| 2 | Japan |
| 1 | |
| 1 | India |
| 1 | Germany |