Manufacturing Bits: June 29


Speeding up ALD with AI The U.S. Department of Energy’s (DOE) Argonne National Laboratory has developed various ways to make atomic layer deposition (ALD) more efficient by using artificial intelligence (AI). ALD is a deposition technique that deposits materials one layer at a time on chips. For years, ALD has been used for the production of DRAMs, logic devices and other products. In ... » read more

Power/Performance Bits: June 29


Persistent photoconductivity Researchers at the U.S. Department of Energy's National Renewable Energy Laboratory (NREL), University of Wisconsin Madison, and the University of Toledo, discovered a unique effect in metal-halide perovskite semiconductors that could be used in neuromorphic computing systems. Perovskites are currently being investigated as highly efficient solar cells. In fact,... » read more

Manufacturing Bits: June 22


5G metasurface antennas At the recent 2021 IEEE 71st Electronic Components and Technology Conference (ECTC), the Institute of Microelectronics of the Chinese Academy of Sciences (CAS) presented a paper on a low-profile broadband metasurface antenna for 5G antenna-in-package applications. The National Center for Advanced Packaging and the University of Chinese Academy of Sciences also contri... » read more

Power/Performance Bits: June 22


Terahertz silicon multiplexer Researchers from Osaka University and University of Adelaide designed a silicon multiplexer for terahertz-range communications in the 300-GHz band. “In order to control the great spectral bandwidth of terahertz waves, a multiplexer, which is used to split and join signals, is critical for dividing the information into manageable chunks that can be more easily... » read more

Manufacturing Bits: June 15


Next-gen RF signal processors Sandia National Laboratories has taken steps to realize the development of acoustic wave amplifiers, a technology that could one day pave the way towards long-awaited tiny RF signal processors. Researchers have developed piezoelectric acoustic devices using surface acoustic wave (SAW) technology and demonstrated the ability to manufacture these devices. Still i... » read more

Power/Performance Bits: June 15


Low-loss photonic IC Researchers at EPFL built a photonic integrated circuit with ultra-low loss. The team focused on silicon nitride (Si3N4), which has orders of magnitude lower optical loss compared to silicon. It is used in low-loss applications such as narrow-linewidth lasers, photonic delay lines, and nonlinear photonics. In applying the material to photonic ICs, they took advantage... » read more

Manufacturing Bits: June 7


High-voltage superjunction SiC devices The University of Warwick and Cambridge Microelectronics have presented a paper on the latest effort to develop of a new type silicon carbide (SiC) power device called a SiC superjunction Schottky diode. Researchers have simulated and optimized the development of 4H-SiC superjunction Schottky diodes at a voltage class of 1700 volts, aiming for breakdow... » read more

Power/Performance Bits: June 7


Commercializing photonic MEMS Researchers from the University of California Berkeley, Daegu Gyeongbuk Institute of Science & Technology, SUSS MicroOptics, TSI Semiconductors, Gwangju Institute of Science and Technology, KAIST, Ecole Polytechnique Fédérale de Lausanne (EPFL), and Korea Polytechnic University demonstrated a path for commercial fabrication of photonic MEMS. Photonic MEMS... » read more

Manufacturing Bits: June 1


Frozen finFETs The Defense Advanced Research Projects Agency (DARPA) has launched the Low Temperature Logic Technology (LTLT) program, an effort to develop finFETs that operate at temperatures close to liquid nitrogen (~77K or minus 321 degrees Fahrenheit). The goal of LTLT is to develop low-temperature finFET transistors at the 14nm node and below by making modifications to the manufacturi... » read more

Power/Performance Bits: June 1


Stronger PUFs Researchers from Ohio State University and Potomac Research propose a new version of physical unclonable functions, or PUFs, that could be used to create secure ID cards, to track goods in supply chains, and as part of authentication applications. "There's a wealth of information in even the smallest differences found on computers chips that we can exploit to create PUFs," sai... » read more

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