tag: high-electron mobility transistors

GaN Power Devices: Stability, Reliability and Robustness Issues
By Technical Paper Link - 30 Apr, 2023 - Comments: 0

A technical paper titled "Stability, Reliability, and Robustness of GaN Power Devices: A Review" was published by researchers at Virginia Polytechnic Institute and State University, Johns Hopkins University Applied Physics Laboratory, and Kyushu University. "Gallium nitride (GaN) devices are revolutionarily advancing the efficiency, frequency, and form factor of power electronics. However, t... » read more

Characterization Of HEMT Vias
By KLA - 08 Nov, 2022 - Comments: 0

The Zeta-Series optical profilers provide accurate measurement and automated analysis of high aspect ratio structures such as HEMT vias using non-destructive and high throughput metrology techniques.  Introduction Wide bandgap semiconductor materials are extremely attractive for use in power electronics, due to their performance capability at high temperature, power and frequency. Among wide... » read more

Thinning of GaN-on-GaN HEMTs With A Laser Slicing Technique
By Technical Paper Link - 09 May, 2022 - Comments: 0

New technical paper "Laser slice thinning of GaN-on-GaN high electron mobility transistors" from researchers at Nagoya University, Hamamatsu Photonics, and National Institute for Materials Science, Tsukuba. Abstract "As a newly developed technique to slice GaN substrates, which are currently very expensive, with less loss, we previously reported a laser slicing technique in this journal. In... » read more

Power Amp Wars Begin For 5G
By Mark LaPedus - 24 Aug, 2020 - Comments: 2

Demand is increasing for power amplifier chips and other RF devices for 5G base stations, setting the stage for a showdown among different companies and technologies. The power amplifier device is a key component that boosts the RF power signals in base stations. It's based on two competitive technologies, silicon-based LDMOS or RF gallium nitride (GaN). GaN, a III-V technology, outperforms ... » read more

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