Keyword: Quality control

Application Briefs: Lighting

LED-based lighting and display systems are becoming increasingly popular due to their low cost, flexibility, and efficiency. Measuring the light and color output of LEDs is, therefore,...

Briefs: Test & Measurement

The Naval Research Laboratory (NRL) has developed a metrology workbench for the measurement and visualization of displacement and strain fields in three dimensions. The...

Application Briefs: Test & Measurement

There are many ways to manufacture an optic depending on the complexity of the component and the application. From choosing the best substrate, to detailing the numerous...

Articles: Software

Cars contain numerous filters for air, fuel, and oil. Those who develop these filters are confronted with many requirements. The products must withstand intense temperature fluctuations and vibrations,...

Application Briefs: Imaging

When ambient light hits displays, it causes unwanted reflections, which adversely affects readability. This is a nuisance for users; however, it can be prevented with optical adhesives.

Articles: Photonics/Optics

Using sophisticated 3D imaging, a team at University College London, The European Synchrotron (ESRF), University of Manchester, Harwell Oxford, Oregon State University, and the National...

Briefs: Mechanical & Fluid Systems
Advanced Magnetostrictive Regulator, Valve, and Force-to-Angle Sensor

Typical aerospace rocket engines use valves to control the flow and pressures of propellant and pressurants. These typical valves are designed to operate with a mechanical, electromechanical, or pneumatic operator. They all have at least one, and often multiple, penetrations...

Articles: Aerospace

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 safety,...

Briefs: Materials
Multifunctional B/C Fiber Composites for Radiation Shielding

A versatile, novel, multifunctional hybrid structural composite of a high-hydrogen epoxy matrix (UN-10) coupled with boron and carbon fibers (IM-7) has been developed. Prototype laminates of 18×18 in. (≈46×46 cm), with the nominal areal density of 0.35 g/cm2, were...

Briefs: Sensors/Data Acquisition
Non-Intrusive, On-Line, Simultaneous Multi-Species Impurity Monitor for Hydrogen Gas

In testing hydrogen-fueled engines, the purity of the hydrogen fuel is important. Hydrogen may become contaminated with nitrogen (N2), argon (Ar), or oxygen (O2), thereby making the hydrogen unusable for engine testing at Stennis Space...

Articles: Lighting

Unlike previous lighting requirements, LED testing has become more stringent and complicated, and involves a significant number of tests for various lighting characteristics. From...

Application Briefs: Photonics/Optics

Manufacturing companies are placing increasing emphasis on data security throughout their operations to protect confidential data and to validate that their systems are protected against...

Briefs: Information Technology
KSC Spaceport Weather Data Archive

The Spaceport Weather Data Archive provides a fully searchable database of weather data gathered at Kennedy Space Center and the Cape Canaveral Air Force Station. Weather data includes wind, temperature, and humidity data from a surface meteorological tower network; upper air soundings from both weather...

Briefs: Physical Sciences

This research provides a capacitance-based method for monitoring the integrity of tires and other polymeric products during manufacturing and throughout the useful...

Briefs: Information Technology
Data Quality Screening Service

A report describes the Data Quality Screening Service (DQSS), which is designed to help automate the filtering of remote sensing data on behalf of science users. Whereas this process often involves much research through quality documents followed by laborious coding, the DQSS is a Web Service that provides data...

Articles: Test & Measurement

Are the shoes you’re wearing really made of leather? Is the table nearby made of wood? How can you be sure? These questions may seem trivial in everyday life, but knowing the precise...

Briefs: Physical Sciences
Integrating a Microwave Radiometer into Radar Hardware for Simultaneous Data Collection Between the Instruments

The conventional method for integrating a radiometer into radar hardware is to share the RF front end between the instruments, and to have separate IF receivers that take data at separate times. Alternatively, the radar and radiometer...

Briefs: Physical Sciences

In order to deliver crisp images in high-speed machine vision applications, image sensors require high-speed shuttering ability. The industry has traditionally relied on charge-coupled device (CCD) image sensors using...

Briefs: Photonics/Optics
High-Power Single-Mode 2.65-μm InGaAsSb/AlInGaAsSb Diode Lasers

Central to the advancement of both satellite and in-situ science are improvements in continuous-wave and pulsed infrared laser systems coupled with integrated miniaturized optics and electronics, allowing for the use of powerful, single- mode light sources aboard both satellite and...

Articles: Imaging

Machine vision has become indispensable in today’s highly automated manufacturing environments, which rely on accurate in spec tion to ensure high product quality and high process...

Application Briefs: Robotics, Automation & Control

With some of the most demanding quality control regimens of any industry, semiconductor manufacturers use a variety of sophisticated metrology instruments to inspect wafers...

Articles: Imaging

Today’s micro-imaging analysis software systems provide users with a module-based approach that allows imaging and measurement to be customized to specific workflow...

Briefs: Materials
Soft-Bake Purification of SWCNTs Produced by Pulsed Laser Vaporization

The “soft-bake” method is a simple and reliable initial purification step first proposed by researchers at Rice University for single-walled carbon nanotubes (SWCNT) produced by high-pressure carbon mon - oxide disproportionation (HiPco). Softbaking consists of annealing...

Articles: Photonics/Optics

On August 6th, 2012 the automatic Mars Science Laboratory rover named Curiosity landed on Mars. One of the scientific instruments on board is ChemCam, which has a pulsed laser capable of ablating...

Application Briefs: Test & Measurement

NASA’s Curiosity rover landed in the Gale Crater on Mars on August 5, having flown over 127 million miles since its November 2011 launch. As part of NASA’s Mars Exploration Program,...

Articles: Imaging

3D imaging technology has come a long way from its roots in academic research labs, and thanks to innovations in sensors, decreasing cost of components, and the emergence of 3D functions in software...

Briefs: Information Technology
Monitoring of International Space Station Telemetry Using Shewhart Control Charts

Shewhart control charts have been established as an expedient method for analyzing dynamic, trending data in order to identify anomalous subsystem performance as soon as such performance would exceed a statistically established baseline. Additionally, this leading...

Briefs: Medical
Portable Intravenous Fluid Production Device for Ground Use

There are several medical conditions that require intravenous (IV) fluids. Limitations of mass, volume, storage space, shelf-life, transportation, and local resources can restrict the availability of such important fluids. These limitations are expected in long-duration space...

Articles: Electronics & Computers

With more than a year under its belt since it was officially ratified by PICMG in March of 2011, CompactPCI Serial (PICMG CPCI-S.0) has proven to be a good example of how an industry...

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Articles: Internet of Things

Printed Rechargeable Batteries for the IIoT

5 Ws: Green Design & Manufacturing

5 Ws of Energy-Harvesting Yarns

Q&A: Design

A New, Low-Cost Aluminum-Sulfur Battery

Articles: Photonics/Optics

Advances in Manufacturing Fiber Optic Gyroscopes