Keyword: Conductivity

Articles: Electronics & Computers
Low-Cost Printable Electronics Fabrication

The need for low-cost and environmentally friendly processes for fabricating printable electronics and biosensor chips is rapidly growing. NASA has...

Briefs: Materials

NASA’s Glenn Research Center (GRC) has developed a method for fabricating low-density, flexible aerogel composites for use as thermal insulation for myriad...

Briefs: Materials

NASA’s Glenn Research Center has developed a new method for producing a shock- and corrosion-proof, superelastic, intermetallic material, NiTiNOL 60 (60NiTi),...

Briefs: Materials

NASA’s Kennedy Space Center (KSC) seeks to license its Polyimide Wire Insulation Repair System technology to industry. The Polyimide Wire Insulation Repair System is a kit consisting of thin film...

Briefs: Sensors/Data Acquisition
Minimally Intrusive Thin-Film Electrical Insulation on Conductive Surfaces

The use of thin-film sensors has several advantages over wire or foil sensors. For example, thin-film sensors do not require special machining of the components on which they are mounted, and, with thicknesses less than 10 μm, they are considerably thinner than wires or...

Briefs: Electronics & Computers

NASA’s Glenn Research Center has developed nanoionic-based radio frequency (RF) switches for use in devices that rely on low-power RF transmissions, such as automotive systems, RFID...

Briefs: Materials

Aerofoam is a unique foam composite insulation with improved thermal and acoustic insulation properties. The novelty of this invention comes from combining a polymer foam with a unique inorganic filler in a way that maximizes...

Application Briefs: Green Design & Manufacturing
Helium reclamation system
VACCO Industries
South El Monte, CA
626-443-7121
www.VACCO.com

Recyling and purifying high-flow helium allows uninterrupted...

R&D: Photonics/Optics

By using lasers to treat graphene, Iowa State University researchers have found new ways to enable flexible, wearable, and low-cost electronics. Fabricating inkjet-printed, multi-layer graphene...

Briefs: Materials

The Johnson Space Center researched methods to coat aerogel insulation in order to make it better able to withstand vibration, mechanical compression and...

Articles: Photonics/Optics

Over the last 15 years, breakthroughs in the manufacture and processing of diamond grown by chemical vapor deposition (CVD) have established diamond as an excellent substrate material for...

Briefs: Materials
Aeroplastic Composites

Aeroplastic refers to a family of polymeric composites with properties that provide a significant reduction in heat transfer. These composites reduce the thermal conductivity of the base polymer resin between 20%-50% without changing its mechanical properties or modifying the original techniques for processing those...

Articles: Sensors/Data Acquisition

NASA engineer Allen Parker and a team at Armstrong Flight Research Center have developed a fiber-optic-based sensing technology that accurately pinpoints and measures liquid...

Briefs: Sensors/Data Acquisition
Flexible Thin Metal Film Thermal Sensing System

NASA’s Langley Research Center has extensively studied self-metallized polyimide films for aerospace applications. These thin films have shown promise not only as reflective coatings, but also conductive coatings. NASA believes that its technology may offer advantages to sensor companies,...

Briefs: Mechanical & Fluid Systems
Nanotube-Based Device Cooling System

Carbon nanotubes (CNTs) are being studied for applications in high-strength/low-weight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is generating a lot of interest in various industries. NASA has developed a method for cooling a device,...

Briefs: Materials
Resistive Heating Method for TPS Property Measurements

A unique ultrasonic-based technique has been developed to measure temperature profiles in materials used in thermal protection systems (TPS). The technology requires measurements of the thermal expansion coefficient and the ultrasonic velocity for these materials as a function of temperature...

Briefs: Materials

NASA-developed polyimide aerogels are 500 times stronger than conventional silica aerogels. The innovative aerogels represent a revolutionary advance over fragile silica...

Briefs: Manufacturing & Prototyping
Lattice Structures Coating Concept for Efficient Thermal Linking Beds

Conventional air revitalization technology for removal of CO2, moisture, and trace organic contaminants usually involves a packed bed of sorbent pellets that can be regenerated using a concept similar to that of pressure swing adsorption (PSA). Additional heat input...

Briefs: Mechanical & Fluid Systems
Systems, Methods, and Apparatus of a Low-Conductance Silicon Micro-Leak for Mass Spectrometer Inlet

Mass spectrometers on atmospheric entry probes require a method for introducing gas from high-pressure ambient regions to the vacuum of the mass spectrometer interior.

Briefs: Materials
Method for Exfoliation of Hexagonal Boron Nitride

NASA’s Langley Research Center has developed a method for exfoliating commercially available hexagonal Boron Nitride (hBN) into nanosheets a few atomic layers thick. Currently, hBN has limited use because it is insoluble with limited dispersibility, despite hBN having excellent thermal...

Briefs: Materials
Processing and Manufacture of Inorganic-Organic Hybrid Syntactic Structural Cryogenic Insulator

Reducing the cost and weight of launch structures is essential to meeting NASA goals for reliable access to space. Currently, separate systems are used for structure and pressure containment, cryogenic insulation, and high-temperature insulation. One...

Briefs: Test & Measurement
Fusible Alloy Thermometer

This work was based on the need for a relatively small passive detector of maximum temperature reached by an object that can be visually inspected. The device requirements are to be hermetically sealed for contamination control, give a clear indication of maximum temperature achieved (non-reversible) with a ~10 °C...

Briefs: Sensors/Data Acquisition

Millimeter-wave (mm-wave) imaging techniques are already a popular solution for imaging through dust and fog. While mm-wave offers excellent penetration to dust when compared with infrared or optical sensing,...

Briefs: Mechanical & Fluid Systems

There is a wide range of spacecraft thermal management applications that require variable conductance devices such as thermal switches. These switches are used to help maintain the heat source (electronics)...

Briefs: Electronics & Computers
Nanotube-Based Device Cooling System

Carbon nanotubes (CNTs) are being studied for use in high-strength/lowweight composites and other applications. Recent research on thermal dissipation materials for high-power electronic devices is generating a lot of interest in various industries. Carbon nano tubes have attracted much attention due to their...

Briefs: Sensors/Data Acquisition
Lightweight Metal Rubber Textile Sensor for In-Situ Lunar Health Monitoring

Extravehicular activities (EVAs) are dangerous to astronauts for a number of reasons, including high levels of physical exertion, potential for impacts by space debris particulates that could puncture the spacesuit and cause depressurization, Moon dust exposure that is...

INSIDER: Electronics & Computers

In a breakthrough for energy-efficient computing, UC Berkeley engineers have shown for the first time that magnetic chips can actually operate at the lowest fundamental energy...

INSIDER: Electronics & Computers

Two-dimensional electronic devices could inch closer to their ultimate promise of low power, high efficiency and mechanical flexibility with a processing technique developed at the Department of...

Briefs: Medical
Technique for Reversible Permeabilization of Live Cells for Intracellular Delivery of Quantum Dots

Nanomaterials are comparable in size to various biomolecules (1 to 100 nm), and have unique properties such as enhanced electrical conductivity, increased chemical reactivity, and novel optical properties that make them attractive candidates for...