Semiconductors & ICs

Access our comprehensive library of technical briefs on semiconductors & ICs, from engineering experts at NASA and major government, university, and commercial laboratories.

Motion Design : Sensors/Data Acquisition
Ultra-Low-Power Chips Enhance Performance of Small Robots

An ultra-low-power hybrid chip inspired by the brain could help give palm-sized robots the ability to collaborate and learn from their experiences. Combined with new generations of...

Briefs : Test & Measurement
Spotting Minute Amounts of Disease in the Bloodstream

The difficulty in spotting minute amounts of disease circulating in the bloodstream has proven a stumbling block in the detection and treatment of cancers that advance stealthily with few...

Briefs : Imaging
3D Printable Sensors Disposed of Without Contaminating the Environment

Simon Fraser University and Swiss researchers are developing an eco-friendly, 3D printable solution for producing wireless Internet-of-Things (IoT) sensors that can be...

Briefs : Electronics & Computers
Using Laser Metal Printing to Cool Computer Chips

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to be attached to the CPU or the graphics processor via a thermal interface material such as thermal paste. It...

Briefs : Packaging & Sterilization
Vascular Injury Shunt

Extremity vascular injury results in bleeding and lack of blood flow beyond the site of vessel disruption (ischemia). Priorities when this occurs include hemorrhage control, management of life-threatening injuries, and restoration of flow to the extremity. While definitive vessel repair is optimal, life-threatening injuries...

Briefs : Communications
Single-Photon Detector for Potential Encryption and Sensing

Light is widely used for communications, carrying phone conversations and video signals through fiber optic cables around the world in pulses composed of many photons. Single...

Briefs : Manufacturing & Prototyping
Generating Electrical Power from Waste Heat

Directly converting electrical power to heat is easy; however, converting heat into electrical power is not as easy. To address this issue, a tiny silicon-based device was developed that can...

Briefs : Photonics/Optics
All-Fiber, Optically Controlled Optical Switch

An optical switch is a device where information-bearing light may be directed to one of several outputs. Prior art optical switches have mainly been integrated optical waveguide structures such as titanium-diffused (Ti) waveguides in lithium-niobate (LiNbO3) or gallium-arsenide (GaAs)...

Briefs : RF & Microwave Electronics
Graphene-Silicon Devices for Optoelectronics Applications

Silicon is a naturally occurring material commonly used as a semiconductor in electronic devices; however, researchers have exhausted the potential of devices with semiconductors made...

Briefs : Design
Safety Analysis: The Key to a Single-Pass ISO26262 Random Fault Workflow

Advanced driver-assistance systems and autonomous drive technologies increase the complexity of automotive integrated circuits (ICs), making it harder to ensure that...

Briefs : Photonics/Optics
Infrared Light-Focusing Platform

Researchers have integrated two technologies widely used in applications such as optical communications, bio-imaging, and Light Detection and Ranging (LiDAR) systems to create a new infrared light-focusing...

Briefs : Materials
Stretchable, Rubbery Semiconductors

Researchers have created stretchable, rubbery semiconductors including rubbery integrated electronics, logic circuits, and arrayed sensory skins fully based on rubber materials. The semiconductors have...

Briefs : Semiconductors & ICs
Waterproof Graphene Electronic Circuits

The many applications of graphene, an atomically-thin sheet of carbon atoms with extraordinary conductivity and mechanical properties, include the manufacture of sensors. These transform environmental parameters into electrical signals that can be processed and measured with a computer. Due to their...

Briefs : RF & Microwave Electronics
High-Performance, Current-Steering Digital-to-Analog Converter

A current-steering digital-to-analog converter (DAC) was developed that achieves improved switching times (up to 75% faster) in high-speed (gigahertz), high-resolution (8-14...

Briefs : Electronics & Computers
Electron Beam Heating and Atomic Restructuring of Sapphire Surfaces

NASA’s Langley Research Center has developed a new way to reduce the high-temperature heating requirement of sapphire substrates in wafer production. The growth of...

Briefs : Electronics & Computers
Medium-Frequency Transformer Transitions from AC to DC

Traditionally, electronics are cooled using a heat sink that transfers the heat generated by the electronic system into the air or a liquid coolant. For the heat sink to work, it has to...

Briefs : Mechanical & Fluid Systems
Transforming Flat Elastomers into 3D Shapes

Mechanical systems such as engines and motors rely on two principal types of motions of stiff components: linear motion, which involves an object moving from one point to another in a straight...

Briefs : Semiconductors & ICs
Thin, Durable Heating Patches

Thin, durable heating patches were created using intense pulses of light to fuse tiny silver wires with polyester. Their heating performance is nearly 70 percent higher than similar patches. The inexpensive...

Briefs : Electronics & Computers
Fabric Alternative to Batteries for Wearable Devices

Wearable biosensors for health monitoring lack a lightweight, long-lasting power supply. A new method was developed for making a charge-storing system that is easily integrated into...

Briefs : Data Acquisition
Extrans Permeation Measurement System

Many applications in science and industry require an apparatus that creates a controlled amount of a fluid introduced into another fluid. For instance, some material corrosion testing applications...

Briefs : Semiconductors & ICs
Wear-Resistant Platinum Gold Alloy

From cellphones to satellites, industry spends millions on traditional gold alloy electrical contact coatings. While gold and other metal alloys have been an industry standard to protect metal components...

Briefs : Test & Measurement
Chip Measures Quantities with Quantum Precision

Many devices use light to probe the quantum states of atoms in a vapor confined in a small cell. Atoms can be highly sensitive to external conditions, and therefore make superb detectors....

Briefs : Semiconductors & ICs
Using Inkjet Printers to Build a New Biosensor for Less Invasive Breast Cancer Detection

Researchers at the National Institute of Biomedical Imaging and Bioengineering (NBIB) have created a novel, low-cost biosensor to detect Human Epidermal...

Briefs : Electronics & Computers
Individual Quantum Dots Imaged in 3-D for the First Time

Researchers have developed an imaging technique that uses a tiny, super sharp needle to nudge a single nanoparticle into different orientations and capture 2-D images to help...

Briefs : Medical
A Marriage of Light-Manipulation Technologies

Researchers have, for the first time, integrated two technologies widely used in applications such as optical communications, bio-imaging, and Light Detection and Ranging (LIDAR) systems. In the...

Briefs : Imaging
X-Ray Study of Low-Density Materials

It's hard to get an X-ray image of low-density material like tissue between bones because X-rays just pass right through like sunlight through a window. Sandia studies myriads of low-density materials,...

Briefs : Materials
Microfabrication Technique Modifies Semiconductor Material Atom-by-Atom

To keep up with Moore's Law — an observation made in the 1960s that the number of transistors on an integrated circuit doubles about every two years — researchers...

Briefs : Communications
Multi-Purpose, Flexible Wing Structure for Small Unmanned Aerial Systems

Small unmanned aircraft systems (UAS), also known as micro air vehicles, are promising tools for a variety of military and commercial applications. Some small UAS have flexible wings and are lightweight, making them back-packable and easy to deploy. Most UAS that are...

Briefs : Photonics/Optics
“Light-Written” Photonic Memory Devices

Light is the most energy-efficient way to move information; however, light shows one big limitation: it is difficult to store. Data centers, for example, rely primarily on magnetic hard drives in...

Briefs : Sensors/Data Acquisition
High-Power Thermoelectric Generator

Objects in our daily lives, such as speakers, refrigerators, and even cars, are becoming “smarter” day by day as they connect to the Internet and exchange data, creating the Internet of Things (IoT)....

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