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Stanford showcases the first 60 GHz GaN IMPATT Oscillator at IEDM 2024

Stanford showcases the first 60 GHz GaN IMPATT Oscillator at IEDM 2024
by Daniel Nenni on 01-08-2025 at 10:00 am

fig1

Key takeaways

  • IMPATT (Impact Ionization Avalanche Transit Time) sources operating at millimeter-wave and sub-THz frequencies using GaN technology have the potential to become some of the most powerful high-frequency (RF) generators.
  • At this year’s IEDM, a major breakthrough was reported: a GaN IMPATT RF oscillator achieving
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Stochastic Effects Blur the Resolution Limit of EUV Lithography

Stochastic Effects Blur the Resolution Limit of EUV Lithography
by Fred Chen on 01-08-2025 at 6:00 am

Stochastic Effects Blur the Resolution Limit of EUV Lithography

Conventionally, the resolution limit of a lithography system with wavelength l and numerical aperture NA is given by half-pitch = 0.25 wavelength/NA. With the use of EUV lithography, however, electron blur needs to be added [1]. The impact of this blur is to reduce the contrast [2]. Blur reduces the modulation amplitude by a factor… Read More


Semiconductor Industry Update Webinar – Registration Now Open

Semiconductor Industry Update Webinar – Registration Now Open
by Daniel Nenni on 01-07-2025 at 10:00 am

Semiconductor Futures 2025

At first glance, the headline annualized semiconductor market growth numbers remain strong, with HBM Memory leading the way and AI GPUs continuing to sell in a frenzy. However, a deeper dive into the details reveals a much bleaker picture. Inventory levels remain stubbornly high, and mainstream capacity utilization rates are… Read More


ML and Multiphysics Corral 3D and HBM

ML and Multiphysics Corral 3D and HBM
by Bernard Murphy on 01-07-2025 at 6:00 am

multidie and HBM stacks min

3D design with high-bandwidth memory stacks (HBM) has become essential for leading edge semiconductor systems in multiple applications. Hyperscalers depend on large AI accelerator cores supported by 100GB or more of in-package HBM to handle trillion parameter AI models. Autonomous Drive (AD) vehicles may handle smaller … Read More


CES 2025 and all things Cycling

CES 2025 and all things Cycling
by Daniel Payne on 01-06-2025 at 10:00 am

UrbanGlide 3

CES 2025 was held from January 7-10, once again in Las Vegas, so I attended virtually to gather together all of the tech and trends related to cycling, which is becoming more electrified each year. E-bikes return as the biggest category and from my cycling rides I can see how popular these bikes are becoming in Oregon for commuters … Read More


Can LELE Multipatterning Help Against EUV Stochastics?

Can LELE Multipatterning Help Against EUV Stochastics?
by Fred Chen on 01-06-2025 at 6:00 am

Can LELE Multipatterning Help Against EUV Stochastics

Previously, I had indicated how detrimental stochastic effects at pitches below 50 nm should lead to reconsidering the practical resolution limit for EUV lithography [1]. This is no exaggeration, as stochastic effects have been observed for 24 nm half-pitch several years ago [2,3]. This then leads to the question of whether … Read More


WEBINAR: 2025 Semiconductor Year in Preview

WEBINAR: 2025 Semiconductor Year in Preview
by Daniel Nenni on 01-03-2025 at 6:00 am

Webinar 2025 semiconductor year in preview

TechInsights has been in the semiconductor analysis business for more than 35 years and is THE most trusted source of semiconductor information. TechInsights started as a reverse engineering and IP analysis company but has grown into much more. I remember waiting for the teardown reports before buying electronics to make sure… Read More


Accelerating Automotive SoC Design with Chiplets

Accelerating Automotive SoC Design with Chiplets
by Kalar Rajendiran on 01-02-2025 at 10:00 am

System Chiplet

The automotive industry is evolving rapidly with the increasing demand for intelligent, connected, and autonomous vehicles. Central to this transformation are System-on-Chip (SoC) designs, which integrate multiple processing units into a single chip for managing everything from safety systems to in-car entertainment.… Read More


AI PC momentum building with business adoption anticipated

AI PC momentum building with business adoption anticipated
by Don Dingee on 01-02-2025 at 6:00 am

Growth in AI hardware IP leads to AI PC momentum

And just like that, the AI PC arrived. It will be hard to miss high-profile advertising campaigns like the one just launched by Microsoft touting them. Gartner said this September that AI PCs will be 43% of all PC shipments in 2025 (with 114M units projected) and that by 2026, AI PCs will be the only choice for business laptop users. … Read More


Happy New Year from SemiWiki

Happy New Year from SemiWiki
by Daniel Nenni on 01-01-2025 at 6:00 am

Happy New Year 2024

As SemiWiki celebrates our 14th anniversary I wanted to wish you all a happy New Year! Working in the semiconductor industry for the past 40 years has been rewarding beyond belief. Working in the trenches and traveling the world has been an education in itself, more so than any other career that I could imagine. SemiWiki has broadened… Read More