Opportunities and Challenges for 3D Systems and Their Design
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arXiv
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| Format: | Preprint |
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2025
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| _version_ | 1866914100456456192 |
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| author | Emma, Philip Kurshan, Eren |
| author_facet | Emma, Philip Kurshan, Eren |
| contents | Although it is not a new concept, 3D integration increasingly receives widespread interest and focus as lithographic scaling becomes more challenging, and as the ability to make miniature vias greatly improves. Like Moores law, 3D integration improves density. With improvements in packaging density, however, come the challenges associated with its inherently higher power density. And though it acts somewhat as a scaling accelerator, the vertical integration also poses new challenges to design and manufacturing technologies. The placement of circuits, vias, and macros in the planes of a 3D stack must be co-designed across layers (or must conform to new standards) so that, when assembled, they have correct spatial correspondence. Each layer, although perhaps being a mere functional slice through a system (and we can slice the system in many different ways), must be independently testable so that we can systematically test and diagnose subsystems before and after final assembly. When those layers are assembled, they must come together in a way that enables a sensible yield and facilitates testing the finished product. To make the most of 3D integration, we should articulate the leverages of 3D systems (other researchers offer a more complete treatment elsewhere). Then we can enumerate and elucidate many of the new challenges posed by the design, assembly, and test of 3D systems. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2510_15880 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Opportunities and Challenges for 3D Systems and Their Design Emma, Philip Kurshan, Eren Hardware Architecture Emerging Technologies Although it is not a new concept, 3D integration increasingly receives widespread interest and focus as lithographic scaling becomes more challenging, and as the ability to make miniature vias greatly improves. Like Moores law, 3D integration improves density. With improvements in packaging density, however, come the challenges associated with its inherently higher power density. And though it acts somewhat as a scaling accelerator, the vertical integration also poses new challenges to design and manufacturing technologies. The placement of circuits, vias, and macros in the planes of a 3D stack must be co-designed across layers (or must conform to new standards) so that, when assembled, they have correct spatial correspondence. Each layer, although perhaps being a mere functional slice through a system (and we can slice the system in many different ways), must be independently testable so that we can systematically test and diagnose subsystems before and after final assembly. When those layers are assembled, they must come together in a way that enables a sensible yield and facilitates testing the finished product. To make the most of 3D integration, we should articulate the leverages of 3D systems (other researchers offer a more complete treatment elsewhere). Then we can enumerate and elucidate many of the new challenges posed by the design, assembly, and test of 3D systems. |
| title | Opportunities and Challenges for 3D Systems and Their Design |
| topic | Hardware Architecture Emerging Technologies |
| url | https://arxiv.org/abs/2510.15880 |