Keyword: Fabrication

Briefs: Mechanical & Fluid Systems
Electrochemically Enhanced Mechanical Polishing of Optics

NASA’s Marshall Space Flight Center astrophysicists are developing better instruments to measure high-energy X-rays zipping about space when viewed from above the Earth’s atmosphere. Scientists at MSFC adapted a novel method for material removal and super-polishing to the mandrel...

Briefs: Test & Measurement

Particulate matter (PM) exposure and health effects have become top U.S. environmental research agenda items over the past decade. Environmental epidemiological studies rely on information from both...

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...

Briefs: Photonics/Optics
Compact, Lightweight, Athermal, Nanocomposite Telescopes with Freeform Optics

Small space missions such as CubeSats frequently require telescopes with highly sophisticated optical systems that are also low in mass and cost. The very limited spacecraft volume and mass limits also preclude adjustments to maintain critical alignment with change in...

Briefs: Aerospace
Self-Lubricating Hard Coatings for Extreme Environments

NASA’ s space goals include a permanent presence on the Moon and an expedition to Mars. The success of habitats and vehicles on the Moon and Mars — and ultimately, of the human exploration of and permanent human presence on the Moon and Mars — is critically dependent on the correct...

Briefs: Nanotechnology
Carbon Nanotube Purification

Development of carbon nanotubes (CNTs), including single-wall and multi-wall nanotubes and nanofibers, into useful devices requires fabrication of CNTs that are relatively free from process residues such as amorphous carbon and metallic particles that are not part of a CNT array grown on a (coated) substrate....

Briefs: Test & Measurement
Thermal Micro-Extraction Laboratory

Typical extractions in the laboratory require a significant amount of sample material, large-scale equipment, and hands-on participation of a scientist. Such a setup is impractical (or impossible), heavy, and expensive to be carried out on spaceflight instrumentation. While great strides are being made to...

Q&A: Photonics/Optics

Dr. Munechika — along with Alexander Kosh­elev and Giuseppe Calafiore at aBeam Technologies, and Stefano Cabrini at the Molecular Foundry at Lawrence Berkeley...

Briefs: Manufacturing & Prototyping

The first entirely 3D-printed organ-on-a-chip with integrated sensing has been built by a fully automated digital manufacturing procedure. The 3D-printed heart-on-a-chip can be quickly...

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....

Briefs: Manufacturing & Prototyping
Improved Two-Step Replication Process for Producing Precision Optical Mirrors

Production of precision optical mirrors by replication requires molds or mandrels of the complementary shape. For example, replicating a concave mirror requires a convex mandrel. Convex shapes are difficult to fabricate and test since they do not focus light. Convex...

Briefs: Manufacturing & Prototyping
Atomic Layer Deposition (ALD) Coating of High-Precision Components Produced by Selective Laser Melting (SLM)

Atomic Layer Deposition (ALD) is being used as a means of coating various substrate materials with a variety of metallic and ceramic oxides for corrosion and thermal protection. The technology necessary to develop a state-of-the-art,...

Briefs: Sensors/Data Acquisition

NASA's Langley Research Center has developed a novel polymer material that can be utilized as a real-time structural health monitoring sensor. The material is...

Briefs: Test & Measurement

Devices for manipulating fluids on the microscale have been developed to store, hold, and manipulate small amounts of fluids, and have been applied to the detection of analytes in sample...

Articles: Sensors/Data Acquisition

Wearable sensors are uniquely placed to fill the technology gap for real-time analytics at the point of need. Seamless integration of chemical sensors into wearable platforms gives...

Briefs: Test & Measurement

When performing machine tool setup and maintenance operations, it is frequently necessary to use a position transducer to “sweep” a surface and...

Briefs: Manufacturing & Prototyping

Oil spills have become an environmental problem due to the growth of offshore oil exploration, production, and transportation. There are...

Articles: Materials

This column presents technologies that have applications in commercial areas, possibly creating the products of tomorrow. To learn more about each technology, see the contact information provided for that...

Briefs: Photonics/Optics
Additive-Manufactured, Very Lightweight, Diamond Turned Aspheric Mirror

Industrial-grade, lightweight mirrors used in military and aeronautics have tight specifications brought on by demanding performance parameters. For example, a mirror that is used in an orbiting telescope would have to be extremely lightweight, stiff, and be configured to...

Articles: Electronics & Computers

Over the years, the term “virtual” has become associated with many different domains. Virtual machines are now commonplace as a substitute for physical laptops or desktops, allowing...

Briefs: Materials
Electrically Conductive, Optically Transparent Polymer/Carbon Nanotube Composites

NASA's Langley Research Center researchers have developed a novel method for making carbon nanotubes that are very uniform in size. A template is used to guide the carbon nanotube growth so that all nanotubes are uniform in size. The carbon nanotubes can be used...

Briefs: Aerospace

NASA's Langley Research Center has designed a Multifunctional Boost Protective Cover (MBPC) for a Launch Abort System (LAS). In the event of a crewed launch,...

Briefs: Software
RAYGUN Fast Generic Geometry Raycasting Tool

When performing spacecraft simulations, developers sometimes need to feed the simulation with a distance between two objects along a certain direction vector. For example, if a spacecraft is approaching an asteroid and needs to simulate a laser rangefinder, the simulation would need to detect what...

Briefs: Materials
Polyimides Derived from Novel Asymmetric Benzophenone Dianhydrides

NASA's Glenn Research Center invites companies to license or establish partnerships to develop its patented high-temperature, low-melt imide resins for fabrication of automotive components. Produced by a solvent-free melt process, these resins exhibit high glass transition...

Briefs: Photonics/Optics
Additive-Manufactured, Very Lightweight, Diamond Turned Aspheric Mirror

Industrial-grade, lightweight mirrors used in military and aeronautics have tight specifications brought on by demanding performance parameters. For example, a mirror that is used in an orbiting telescope would have to be extremely lightweight, stiff, and be configured to...

Briefs: Photonics/Optics
Partially Transparent Circular Mask to Suppress Narrowband Laser Light

The evolved Laser Interferometry Space Antenna (eLISA) is the implementation of the original Laser Interferometry Space Antenna (LISA) concept that will be proposed for the European Space Agency's (ESA) L.3 Cosmic Visions opportunity. The eLISA observatory uses lasers to...

Briefs: Manufacturing & Prototyping
Additively Manufactured Modular Thrust Chamber

Thrust chambers have historically been difficult to manufacture. They require extensive tooling and labor, and are expensive with long lead times. Thrust chambers were designed for manufacture using conventional machining. As a result, designs required multiple pieces to ensure machine tool access...

Briefs: Photonics/Optics
A Novel Orbiting Cloud Imager System for IR/UV/ X-Ray Bands

Typically, the cost of a spaceborne imaging system is driven by the size and mass of the primary aperture. Innovative solutions for imagers that are less complex and are lightweight are very desirable. Currently, telescopes such as JWST and ATLAST are very expensive and very...