Keyword: Integrated circuits

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Briefs: Medical

Silver nanowires have drawn significant interest in recent years for use in many applications ranging from prosthetic devices to wearable health sensors due to their flexibility,...

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Briefs: Communications

An increase in computing performance has been achieved by squeezing ever more transistors into a tighter space on microchips. This downsizing has also meant packing the wiring within...

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Briefs: Test & Measurement

A small voltaic cell was developed that is sustained by the acidic fluids in the stomach. The system can generate enough power to run small sensors or drug delivery devices that can reside in the...

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Articles: Semiconductors & ICs

The term “smart camera” has been used for decades, but there has been little agreement on the actual definition. This article will use the term “smart” as the Merriam Webster dictionary defines it:...

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Briefs: Medical

Engineers at the University of California San Diego have developed a miniature, ultra-low power injectable biosensor that could be used for continuous, long-term...

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Briefs: Manufacturing & Prototyping

For several decades, improvements in conventional transistor materials have been sufficient to sustain Moore’s Law — the historical pattern of microchip manufacturers...

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Briefs: Electronics & Computers

Moving from electrical communication to optical communication is attractive to chip manufacturers because it could significantly increase chips’ speed and reduce power consumption,...

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Briefs: Mechanical & Fluid Systems

Every complex human tool has contained multiple materials wedged, tied, screwed, glued, or soldered together. But the next generation of tools, from autonomous squishy robots to flexible...

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Articles: Aerospace

The term Space Imaging covers a wide variety of mission types and technologies.

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Briefs: Electronics & Computers

A new, flexible, silicon-on-polymer chip was developed to augment new networked realities such as the Internet of Things. Typical silicon-based integrated circuits are brittle, rigid components packaged...

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Briefs: Materials
Electromagnetic Metamaterial with Wide Angular and Broadband Spectral Absorption

Propagation in a waveguide requires proper termination of signals to prevent reflections from interfering with the desired circuit functionality. Conventional termination designs for a two-dimensional planar waveguide topology provide maximum signal suppression in...

Briefs: Electronics & Computers

Electronic devices are getting smaller and more energy-efficient, meaning that they are more susceptible to single event upsets (SEUs) — malfunctions caused by particles in the atmosphere...

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Briefs: Semiconductors & ICs

Front-end electronics for capacitive sensors typically include a preamplifier followed by a filter. The preamplifier provides low-noise amplification of the signals induced in the sensor...

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Briefs: Manufacturing & Prototyping
Method of Manufacturing Convective Accelerometers

Miniaturization and integration of accelerometers in standard integrated circuit (IC) processes has been the topic of extensive research. In most cases, accelerometer structures involve a solid proof mass that is allowed to move under accelerating conditions. This approach has many disadvantages....

Articles: Motion Control

Pneumatic valves made with piezo technology offer many advantages. They are small, lightweight, extremely precise, durable, fast, and save energy. Piezo valves do not need energy to maintain a switching...

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Briefs: Electronics & Computers

Researchers at North Carolina State University have developed nonlinear chaos-based integrated circuits that enable computer chips to perform multiple functions with fewer transistors. These integrated...

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Briefs: Electronics & Computers
Larger-Area Integrated Electrical Metallization Dielectric Structures with Stress-Managed Unit Cells for Extreme- Environment Semiconductor Electronics Chips

The use of patterned multiple layers of thin films of metal and dielectric to form integrated circuit interconnections of transistors and/or form on-chip circuit capacitors is well known to...

Briefs: Aerospace

NASA has developed a versatile method and associated apparatus for constructing and using a conductive filament in various applications of 3D printing. It uses an attractive polymer...

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Briefs: Test & Measurement
Saturn Net Flux Radiometer (SNFR)

A Saturn Net Flux Radiometer (SNFR) is being developed as part of a payload for a future NASA-led Saturn Probe Mission. The current design has two spectral channels i.e., a solar channel (0.4-to-5 μm) and a thermal channel (4-to-50 μm). The SNFR is capable of viewing five distinct viewing angles during the...

Briefs: Electronics & Computers

Researchers at NASA’s Glenn Research Center have developed a revolutionary new generation of silicon...

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INSIDER: Electronics & Computers

The consumer marketplace is flooded with a lively assortment of smart wearable electronics that do everything from monitor vital signs, fitness or sun exposure to play music,...

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Briefs: Electronics & Computers
Current Source Logic Gate

High-temperature electronic integrated circuits have been demonstrated in silicon carbide (SiC) depletion mode MESFETs. This process is only capable of producing depletion mode n-channel MESFET transistors. With only this type of transistor, designing a logic gate is a challenge. A previous logic gate design that can be...

Who's Who: Photonics/Optics

In 2020, NASA's first-ever integrated-photonics modem will be tested aboard the International Space Station. Mike Krainak leads the development of...

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Briefs: Electronics & Computers
Signal Digitizer and Cross-Correlation ASIC

Microwave interferometry provides a means of synthesizing large scanning antennas that are not otherwise physically practical for spaceborne Earth observational systems. By cross-correlating multiple receivers of an array, high-resolution images are synthesized from a sparse — or thinned — array of...

Application Briefs: Photonics/Optics

Counterfeit parts and materials pose a serious threat to the United States defense supply chain. The National Defense Authorization Act (NDAA) of 2012 (Section 818) laid out strict...

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Articles: Aerospace
SVANTE LITTMARCK
President and CEO
COMSOL, Inc.
Burlington, MA
www.comsol.com

With the birth some 50 years ago of computers based on integrated circuits and semiconductors, engineers...

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Briefs: Electronics & Computers
cFE/CFS Evolution for Multicore Platforms

This effort ports the Core Flight Executive (cFE)/Core Flight System (CFS) flight software architecture to multicore processor platforms, and provides mission developers with a common, flightready, flexible software environment that supports single, multi-processor, and multicore systems. Currently the...

Articles: Aerospace

In 1964, NASA’s Electronics Research Center (ERC) opened in Massachusetts, serving to develop the space agency’s in-house expertise in electronics during...

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Briefs: Sensors/Data Acquisition

Radio frequency identification (RFID) tags consist of an antenna and an integrated circuit. The antenna is typically the more costly of the two components, and, by far, the largest. As antenna size...

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