category: Top Stories

category: Auto, Security & Edge AI

Manufacturing At The Limits
By Gregory Haley - 21 Aug, 2025 - Comments: 2

Hybrid bonding has been in production for several years, with mature flows capable of delivering robust yields using 10µm interconnects. At that scale, processes can tolerate hundreds of nanometers of overlay variation, modest differences in wafer bow, and particle sizes rivaling the interconnect height without catastrophic impact. Hybrid bonding is compatible with optical metrology, existing ... » read more

Reticle Stitching Bumps Up Silicon Interposer Costs
By Bryon Moyer - 21 Aug, 2025 - Comments: 0

Advanced packaging often relies on silicon interposers to connect chiplets and other components inside a package. The problem is that interposers typically exceed the reticle limit, which adds both complexity and cost. An interposer is essential for 2.5D and 3.5D architectures. As device scaling runs out of steam, chipmakers are decomposing planar SoCs into chiplets and connecting them throu... » read more

The End Of Copper Interconnects?
By Katherine Derbyshire - 21 Aug, 2025 - Comments: 0

After nearly three decades, the era of copper interconnects may be coming to an end. Sort of. At interconnect CDs below 10nm, copper is no longer the best metallization choice. Yet it remains unsurpassed for larger features. The most serious challenge to continued copper scaling is the metal’s dramatic increase in resistivity at dimensions below its relatively large (40nm) mean free path l... » read more

Best Options For Using AI In Chip Design
By Ed Sperling - 20 Aug, 2025 - Comments: 0

Experts at the Table: Semiconductor Engineering sat down to discuss how and where AI can be applied to chip design to maximize its value, and how that will impact the design process, with Chuck Alpert, Cadence Fellow; Sathish Balasubramanian, head of product marketing and senior director for custom IC at Siemens EDA; Anand Thiruvengadam, senior director and head of AI product management at S... » read more

Complex Mix Of Processors At The Edge
By Liz Allan - 18 Aug, 2025 - Comments: 1

With AI changing so fast, it’s a juggle for companies to ensure they can deliver the best performance now while also future-proofing for unknown AI models or a completely different approach to training and inference that may emerge. There are a slew of options for high-end and budget phones, hyperscalers, and low-cost, low-power edge devices, and while GPUs keep making headlines, many designe... » read more

Re-Architecting AI For Power
By Brian Bailey - 14 Aug, 2025 - Comments: 0

The industry is becoming increasingly concerned about the amount of power being consumed by AI, but there is no simple solution to the problem. It requires a deep understanding of the application, the software and hardware architectures at both the semiconductor and system levels, and how all of this is designed and implemented. Each piece plays a role in the total power consumed and the utilit... » read more

Reliable Training Data Paramount To AI Model Success
By Ann Mutschler - 14 Aug, 2025 - Comments: 0

AI systems are increasingly being integrated into safety- and mission-critical applications ranging from automotive to health care and industrial IoT, stepping up the need for training data that is reliable, secure, and which is generated from trusted sources. AI activity is growing exponentially, as everybody tries to figure out how to apply it to their domain, application, or workload. In ... » read more

Will New Processor Architectures Raise Energy Efficiency?
By Bryon Moyer - 14 Aug, 2025 - Comments: 1

Data centers continue to heat up as new processors consume more energy than ever before. Cooling is the primary weapon against the heat these processors generate, but it won’t be able to keep up forever with traditional processor architectures. New ones may be necessary. There are opportunities today to make well-known architectures more energy-efficient, but the number of options for subs... » read more

Transforming Test For Co-packaged Optics
By Laura Peters - 12 Aug, 2025 - Comments: 0

Data centers are undergoing a dramatic transformation to reduce the power consumption of high-speed data transmissions by 70% or more with co-packaged optics. By moving optical transceivers from the fronts of racks into the same package as the networking switch and HBMs, AI programs that used to take a week to run can now be completed in a day. To enable this change in production manufacturi... » read more

Metrology Under Pressure: Detecting Defects in Fine-Pitch Hybrid Bonding
By Gregory Haley - 12 Aug, 2025 - Comments: 1

As advanced packaging pushes deeper into the sub-10µm realm, traditional inspection and metrology systems are being forced to evolve with it. Hybrid bonding, a critical enabler of vertical integration and 3D system performance, relies on exceptionally tight alignment and defect-free bonding surfaces. But as interconnect pitch shrinks, even nanometer-scale variations in height, tilt, or cont... » read more

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