A new technology delivers temperature hardening in a number of products at the CMOS process level while increasing overall product reliability and longevity. Providing...

Briefs: Electronics & Computers
Stacked Capacitor Special Lead Adapter

The current installation method for tall, stacked capacitors is very cumbersome because the lead form is very sharp and prone to solder cracking due to thermal cycling. An astringent installation process was developed to obtain the best chance of a successful solder joint with a proper heel fillet so the...

Briefs: Electronics & Computers
Nanoscale Vacuum Channel Transistor

This invention presents a nanoscale vacuum tube or vacuum transistor fabricated entirely using current silicon integrated circuit manufacturing techniques. Vacuum is better for electron transport than any semiconductor since there is no electron scattering. In addition, vacuum devices are immune to radiation....

Briefs: Manufacturing & Prototyping
Aluminum Rocket Engine Injector Fabricated Using 3D Additive Manufacturing

Liquid rocket engine injectors can be extremely expensive to manufacture and hard to iterate to achieve high performance. Internal sealing points can also be the source of reliability issues. The technology disclosed here covers the application of a 3D additive...

Briefs: Manufacturing & Prototyping
Making Flexible Ablators that are Flexible Char Formers

An approach was developed for making low-density, flexible ablators for a thermal protection system (TPS) from a flexible fibrous carbon substrate and a polymer resin. The material is foldable and stowable, and can be deployed in space without compromising performance. In addition, the...

Briefs: Manufacturing & Prototyping
Method for Providing Semiconductors Having Self-Aligned Ion Implant

This is a modification to technology for realizing durable and stable electrical functionality of high-temperature transistors. This modification is believed crucial to experimental implementation of SiC junction field effect transistors that electrically operated continuously...

Briefs: Manufacturing & Prototyping
Femtosecond Laser Processing of Metal and Plastics

While precise and fast, the down side to cutting with microsecond (ms) fiber lasers has been that the parts require a number of post-processing operations after they are cut, which add...

Briefs: Materials
Regenerable Trace-Contaminant Sorbent for the Primary Life Support System (PLSS)

The NASA objective of expanding the human experience into the far reaches of space requires the development of regenerable life support systems. This work addresses the development of a regenerable air-revitalization system for trace-contaminant (TC) removal for the...

Briefs: Materials
Lithium Fluoride as a Polysulfide Shuttle Inhibitor for Lithium Sulfur Chemistry

In a lithium sulfur cell, the reduction of sulfur to lithium sulfide is a critical series of reactions that provides a large theoretical capacity of 1,672 mAh/g sulfur. One of many challenges in this system is the solubility of generated lithium polysulfides during...

Briefs: Materials
Fibers of Aligned Single-Wall Carbon Nanotubes and Process for Making the Same

Single-wall carbon nanotubes (SWNTs) are fullerenes of closed-cage carbon molecules typically arranged in hexagons and pentagons. Commonly known as “buckytubes,” these cylindrical carbon structures have extraordinary properties, including high electrical and...

Briefs: Materials
Enhancing MRI Contrast by Geometrical Confinement of Small Imaging Agents Within Nanoporous Particles

Magnetic resonance imaging (MRI) has evolved into one of the most powerful, non-invasive diagnostic imaging techniques in medicine and biomedical research. The superior resolution and in-depth anatomical details provided by MRI are essential for...

Briefs: Electronics & Computers
NASA Flywheel for iPad

NASA Flywheel is an augmented reality application intended to highlight NASA Glenn’s research efforts in the area of flywheel energy storage systems. The app utilizes a printed optical target, available on the GRC Flywheel Program brochure and through the NASA Glenn Web portal, to present users with 3D views of flywheel...

A standard solar array is a flat panel configured of many individual solar cells, wired in series or parallel, depending on their junction configuration and material. Since...

Briefs: Electronics & Computers
Nanowire-Based Piezoelectric Power Generation

Sensors have improved in terms of size, capability, and power consumption, but their deployment in remote areas is limited by battery power supplies. Using piezoelectric (PE) materials for energy...

Briefs: Information Technology
Tool for Turbine Engine Closed-loop Transient Analysis (TTECTrA)

The current steady-state performance-based system studies are not adequate to evaluate certain advanced technologies for the challenges associated with meeting the transient performance requirements without better definition and control of component operating margins. Additional...

Briefs: Information Technology
Wald Sequential Probability Ratio Test for Space Object Conjunction Assessment

When a maneuverable spacecraft confronts a potentially unsafe conjunction with another space object, its operators must decide whether to maneuver to mitigate the risk of a collision. Such decisions may not be straightforward, since the operators must balance their...

Briefs: Information Technology
Next Generation of 3DGRAPE: Flexible Framework for Hypersonic Navier-Stokes Shuttle Orbiter Meshes

The class of 3DGRAPE codes is designed to generate volume grids using iterative methods to solve the non-linear, nonhomogeneous, elliptic partial differential heat equation with heat sources. The solution to the heat equation develops...

Briefs: Information Technology
Delay Tolerant Link State Routing MACHETE Model

This software models the Delay Tolerant Link State Routing protocol. It runs inside the QualNet network simulator, and allows injecting of external bundles when running in emulation mode. It leverages QualNet’s library of networking protocols and JPL’s CCSDS models.

Briefs: Software
Extendable Uniform Remote Operations Planning Architecture (EUROPA) 2.1

The EUROPA planning system is a general-purpose, reusable, artificial intelligence software system for automatically generating plans for performing complex activities in parallel, in accordance with constraints on activities and their interactions. One part of the system...

Briefs: Information Technology
Acoustic Emission Analysis Applet (AEAA) Software

Vendor software supplied with commercial acoustic emission equipment is incapable of performing the analysis required to characterize damage and make decisions on remaining life for NASA composite overwrapped pressure vessels (COPVs). The Acoustic Emission Analysis Applet (AEAA) software,...

Briefs: Information Technology
Software-Defined Beacon Receiver Implementation Using Frequency Estimation Algorithms

The objective of this work was to develop a robust, cost-effective receiver with maximum dynamic range to track the frequency and power variation of a beacon signal. The result was the development of a frequency estimation algorithm that yields a more accurate...

Briefs: Software
CT-CURS: Computed Tomography Cylinder Data Unwrapping-Reslicing & Analysis,

The software for NASA’s Northstar Systems computed tomography (CT) and Picometrix Terahertz CT systems do not have the ability to unwrap and reslice cylindrical CT data to allow top-to-bottom, 2D sheet views of the data. Therefore, it is difficult to size flaws...

Briefs: Information Technology
NTTS Search and Reporting

The NASA Technology Transfer System (NTTS) is a NASA-created technology transfer workflow management system, a schema-less database management system used to track the life-cycle of NASA inventions. It is built on XDB, a NASA homegrown XML database. Because of its schema-less approach to store data, NTTS can host a...

Articles: Manufacturing & Prototyping
Products of Tomorrow: June 2015

The technologies NASA develops don’t just blast off into space. They also improve our lives here on Earth. Life-saving search-and-rescue tools, implantable medical devices, advances in commercial aircraft...

Wireless technology is growing rapidly, now encompassing consumer-grade devices as well as industrial-grade products used in utility meter reading (AMR/AMI), wireless mesh networks, system...

Femap™ engineering simulation software
Siemens PLM Software
Plano, TX
972-987-3000
www.siemens.com/plm

Scheduled for launch in 2018, the James Webb...

NASA Technology

In satellite images, the waters of the Pearl River, which winds around NASA’s Stennis Space Center, are about the same brownish green typical of waterways the world over....

By detecting nearly imperceptible changes in skin color, emerging imaging technologies have been able to extract pulse rate, breathing rate, and other vital...

Designers and operators of automated inspection systems have long been challenged with completing accurate inspections when those tasks required high dynamic range, or when there...

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