The Future of Monolithically Integrated LED Arrays

A prototype emissive LED display chip is shown. The chip includes an emissive compass pattern ready to embed into new applications.

LEDs are ubiquitous in our electronic lives. They are widely used in notification lighting, flash photography, and light bulbs, to name a few. For displays, LEDs have been commercialized as backlights in televisions and projectors. However, their use in image … Continue reading

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The Future of Small Radar Technology

Small radar devices such as the RFBeam Microwave K-LC1a radio transceiver cost less than $10 when purchased in quantity.

Directing the limited resources of Fighter Command to intercept a fleet of Luftwaffe bombers en route to London or accurately engaging the Imperial Navy at 18,000 yards in the dead of night. This was our grandfather’s radar, the technology that … Continue reading

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3-D Integration Impact and Challenges

silicon chip

People want transistors—lots of them. It pretty much doesn’t matter what shape they’re in, how small they are, or how fast they operate. Simply said, the more the merrier. Diversity is also good. The more different the transistors, the more … Continue reading

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The Future of Inkjet-Printed Electronics

This single-sided wiring pattern for an Arduino microcontroller was printed on a transparent sheet of coated PET film, (Photo courtesy of Georgia Technical Institute)

Over the past decade, major advances in additive printing technologies in the 2-D and 3-D electronics fabrication space have accelerated additive processing—printing in particular—into the mainstream for the fabrication of low-cost, conformal, and environmentally friendly electronic components and systems. Printed … Continue reading

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The Future of Nanotube Computing

Max Shulaker, a graduate student at Stanford University and author of this essay, holds a wafer filled with CNTs. (Photo: Norbert von der Groeben )

For decades, silicon-based transistors have been the workhorse of the semiconductor industry, achieving remarkable advances in computational power. While advances continue to be made, alternative technologies are being explored to increase computational power and efficiency beyond the limits of silicon. … Continue reading

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