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Microelectronics Go from Lab to Fab at UC San Diego’s Qualcomm Institute

A computer circuit board.
“Already, we’re finishing up with some successful technologies that have jumped from the lab bench to fabrication,” says Electrical and Computer Engineering Professor Yuhwa Lo, who directs QI’s Nano3 nanofabrication facility. “Over the next three years, 70% of our efforts will be focused on that transition.” (Photo by ClickerHappy // Pexels)

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Little more than a year after the Microelectronics Commons program kicked off, University of California San Diego researchers have already made significant strides in bringing novel semiconductor technologies from possibility to prototype and beyond.

Between 2023 and 2027, the U.S. Department of Defense (DOD) is expected to invest $2 billion into the program, which was established in 2022 by the bipartisan CHIPS and Science Act. Microelectronics Commons is a network of eight regional hubs founded to grow and improve the nation’s stance as a microelectronics leader.

UC San Diego’s work is part of the California DREAMS hub, a Southern California regional coalition of universities, contractors and workforce-development organizations led by the USC Viterbi School of Engineering and its Information Sciences Institute (ISI).

The Microelectronics Commons has six thematic priorities — including artificial intelligence hardware and quantum technology — and California DREAMS focuses on some of the most regionally relevant categories.

“Southern California is very plugged into the tech industry,” explained Yuhwa Lo, the Distinguished William S.C. Chang Endowed Chair in the UC San Diego Jacobs School of Engineering’s Department of Electrical and Computer Engineering and director of the Qualcomm Institute’s Nano3 nanofabrication cleanroom facility at UC San Diego.

“We picked 5G/6G communication as our number one focus because of our research strengths and close relations with industry leaders,” he added, noting regional ties with Qualcomm and other tech companies.

These advanced wireless and related high-performance computing and AI technologies being developed through California DREAMS are meant to be translated to public and private sector partners around the country.

“The advanced computing and communication technologies that we develop can be repurposed for a wide variety of use cases,” Lo said.

From Concept to Commercialization

Lo stressed that Microelectronics Commons takes a translational approach that prioritizes bringing technologies from concept to commercialization.

“We emphasize transitioning new semiconductor technologies from ‘lab to fab,’” explained Lo, adding that this takes a novel technology and scales it up to manufacturing readiness.

Through California DREAMS, the first part of this process — developing a new technology — can happen in a mere two years. But making the transition to industry readiness can take at least another two years, often more.

“For the five-year project, we continue to evaluate each new technology, as well as new opportunities,” Lo said. The evaluation process includes testing and fine-tuning every project and working with partners to further develop capabilities. Currently, about 70% of the projects at Nano3 — the headquarters of UC San Diego’s work for Microelectronics Commons — are in the development stage, and the other 30% are transitioning to commercialization.

“Already, we’re finishing up with some successful technologies that have jumped from the lab bench to fabrication,” he said. “Over the next three years, 70% of our efforts will be focused on that transition.”

One project led by Duygu Kuzum, an associate professor of electrical and computer engineering at UC San Diego who recently received the Presidential Early Career Award for Scientists and Engineers, is already making strides in advancing microelectronics processing techniques that could support next-generation wireless communication systems.

Kuzum’s group is developing novel energy-efficient hardware that enhances edge computing capabilities; this is an essential part of 5G/6G systems, which require rapid, low-power data processing at the network edge.

“At the edge, you have limited computing power and limited energy resources,” Lo said. “To be able to execute complex functions like real-time signal processing and adaptive communication, you need a chip that is not only energy-efficient but also optimized for high-performance tasks.”

While current industry solutions for edge computing exist, they often struggle with power consumption and scalability. Kuzum’s work, particularly in advanced semiconductor processing and device fabrication, could enable more efficient hardware that could be integrated into next-generation communication and defense applications.

Eventually, Lo shared, many of the technologies developed through this program will be part of a patent portfolio marketed by California DREAMS. Designers and developers will then have access to these innovations, accelerating product development and commercialization within key technology areas like 5G/6G infrastructure and secure communication systems.

After federal funding expires at the end of 2027, the revenue from the lab-to-fab transition and funding from non-CHIPS Act programs is expected to make California DREAMS self-sustaining.

“Even though we’re only in year two, we’ve already developed technologies that are in transition to commercialization,” Lo said. “American designers and innovators will have access to a new set of technologies not available anywhere else — these proofs of concept will help accelerate the design of new microelectronics.”

Even though we’re only in year two, we’ve already developed technologies that are in transition to commercialization. American designers and innovators will have access to a new set of technologies not available anywhere else — these proofs of concept will help accelerate the design of new microelectronics.
Yuhwa Lo
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