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Created at SUNY, The Smallest-Ever 5-Nanometer Transistor is Set to Transform Technology

Close up of a nano chip.

Bigger isn’t always better; in the semiconductor business tiny is tops. That is, the more miniscule the transistors, the more of them that can be piled into a computer chip, leading to faster processing speed and more sophisticated computational capabilities.

Earlier this year, researchers from IBM, as well as partners from GLOBALFOUNDRIES and Samsung, created a transistor at SUNY Polytechnic Institute with components that are far smaller than those of any currently available in the world. At a mere 5 nanometers in width, the scale of these transistors enables a semiconductor chip the size of a fingernail to hold up to 30 billion of them, and this can lead to faster, more powerful performance.

“To give you an idea of the size of this transistor’s components, a single nanometer is the length of about three or four atoms of gold, so with this 5-nanometer transistor, IBM, GLOBALFOUNDRIES, and Samsung are approaching atomic-scale devices,” said Dr. Bahgat Sammakia, Interim President of SUNY Poly. “It’s a remarkable achievement.”

To create the 5-nanometer transistor, the researchers had to take a different approach from what is typically used to manufacture semiconductors. Rather than lining up the transistors’ “fins” in rows and columns, the team stacked silicon nanosheets one on top of the other. The result is a transistor that, that when scaled up as a chip, will better meet the future demands of artificial intelligence and mobile devices, among other technologies.

In fact, according to Sammakia, a silicon nanosheet 5-nanometer chip will greatly improve cognitive machines’ abilities to learn and make decisions. Think self-driving cars, for example. In addition, it could assist with making appliances, devices, or even buildings that are part of the “Internet of Things” more useful and efficient through an expanded ability to rapidly evaluate and make use of data. Further, because of the potential energy savings, the semiconductor chip could help mobile devices maintain their charges two-to-three times longer.

Mukesh Khare, vice president of semiconductor technology research at IBM Research, added that IBM’s partnership with SUNY Poly over the years has been essential to future semiconductor technology success. For example, in July 2015, IBM and its partners fabricated the world’s first 7-nanometer test chip in partnership with SUNY Poly. Less than two years later, IBM Research built the industry’s first 5-nanometer device structure at SUNY Poly.

“Our advanced research and development work is aided by the ongoing support and collaboration of SUNY Poly,” said Khare. “IBM views the existing programs of cooperation between SUNY Poly and IBM as important to our ongoing success.”

GLOBALFOUNDRIES, too, regards its relationship with SUNY Poly as key to the success of the new transistor.

“Through our long history of collaboration with IBM and SUNY Poly, we have built a highly successful, globally recognized partnership at the Albany NanoTech Complex and accelerated development of next-generation technology,” said George Gomba, vice president of technology research at GLOBALFOUNDRIES. “Our decades of research has enabled GF to maintain our focus on technology leadership for our customers and partners by helping to address the development challenges central to producing a smaller, faster, more cost-efficient generation of semiconductors.”

In turn, SUNY Poly reaps numerous benefits from its association with these companies.

“It is beneficial for our faculty members and students to have the opportunity to work with industry leaders,” said Dr. Sammakia. “In fact, many of our students end up working with IBM and GLOBALFOUNDRIES as interns or as employees.”

According to Sammakia, the 5-nanometer transistor is currently in the small-scale manufacturing phase, and within a few quarters, should transfer to large-scale manufacturing at GLOBALFOUNDRIES.

“A 5-nanometer chip is a significant milestone for the entire semiconductor industry,” he said, “and we eagerly anticipate its move into the marketplace.”

    The Research Foundation

      Written by The Research Foundation

      The Research Foundation works with the academic and business leadership of campuses to support research and discovery at SUNY through the administration of sponsored projects and adept transfer and sharing of intellectual property for public benefit and economic growth.

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