Keyword: Test procedures

Articles: Manufacturing & Prototyping
As ICs continue to become smaller and chip complexity increases, manufacturers still need to ensure reliability to their customers.
Briefs: Test & Measurement
This system has a capacity of more than 1,500 times the volume of a typical testing facility.
Briefs: Transportation
A new method could enable vehicles and equipment to better withstand high temperatures, loads, and speeds.
NASA Spinoff: Test & Measurement
Technology used to search for extraterrestrial life can characterize radioactive material.
Technology Leaders: Automotive
Learn about the latest measurement technology designed to ensure accurate testing of helical compression and extension springs.
Briefs: Manufacturing & Prototyping
Internal Short Circuit Testing Device to Improve Battery Designs

Batteries, such as lithium-ion, sold for consumer use in portable electronic devices and other applications such as electrical cars, occasionally fail in the field over time. These cells have typically passed a wide variety of safety tests such as those required by governmental...

Application Briefs: Aerospace

Materials testing and characterization is often a lengthy process. It can take more than a year and billions of testing cycles for a manufacturer to characterize the properties of a new...

Articles: Photonics/Optics

In order to make ultrafast pulses accessible to the broadest possible field of applications, Coherent has been implementing a comprehensive program of design methodologies, materials...

Articles: Electronics & Computers

Computers and software play a major role in force measurement and quality control. Whether in the engineering lab, quality control inspection area,...

Briefs: Test & Measurement
Constant-Pressure, High-Throughput Membrane Permeation Testing System

Membrane technologies have shown tremendous potential for a variety of separations, and new applications are constantly appearing. These new applications require exploration of materials, operational conditions, and membrane synthesis procedures, and demand accurate and timely...

Briefs: Test & Measurement

Much can be detected in blood or urine — viral illnesses, metabolic disorders, or autoimmune diseases can be diagnosed with laboratory tests, for instance. But such examinations often take a few...

Briefs: Medical

Infectious diseases remain the world’s top contributors to human death and disability, and with recent outbreaks of Zika virus infections, there is a keen need for...

Briefs: Electronics & Computers

A new approach was developed that overcomes the limitation of conventional chip-testing methods on 3D chips, which include many thin horizontal “floors” connected to one another by vertical...

Briefs: Test & Measurement
Non-Destructive Additive Manufacturing Characterization Coupon

Additive manufacturing (AM) material assurance has relied upon traditional test coupons and testing methods that work well for wrought materials, but fail to address the unique and not as well-known characteristics of AM parts. A new standardized, integrated test coupon was designed...

Briefs: Test & Measurement

An arson investigation typically requires collecting one or two liters of ashes and debris from various locations within a fire scene in metal cans similar to those used for paint, and...

Articles: Software

Between 1985 and 1987, a radiation therapy device called the Therac-25 was involved in at least six incidents in which the device delivered massive overdoses of radiation. The patients...

NASA Spinoff: Aerospace

Spinoff is NASA's annual publication featuring successfully commercialized NASA technology. This commercialization has contributed to the development of products and services in the fields...

Briefs: Materials

CHIEFS (Convective Heating Im provement for Emergency Fire Shelters) is being developed by NASA’s Langley Research Center to potentially improve the performance of...

Application Briefs: Automotive

The normal road construction process involves subgrade (the existing soil) preparation followed by placement of an aggregate layer, and then the pavement surface layer (asphalt or concrete). In...

Articles: Photonics/Optics

Scientific laser users have long relied on state-of-the-art performance (e.g., higher peak power, shorter pulse duration, wider wavelength tuning) to achieve groundbreaking results....

Briefs: Medical

Researchers at the NASA Johnson Space Center (JSC), in collaboration with General Motors and Oceaneering, have designed a state-of-the-art, highly dexterous, humanoid robot called Robonaut 2...

Briefs: Test & Measurement
Flight Test System for Accurately Predicting Flutter

Traditional methods of flight flutter testing analyze system parameters such as damping levels that vary with flight conditions to monitor aircraft stability. In the past, the actual flight envelope developed for aircraft operation was essentially determined only by flight testing. The edges...

Briefs: Mechanical & Fluid Systems
Rocket Sled Parachute Design Verification

Historically, parachutes have been load-tested by various methods including release from an aircraft, deploying in a wind tunnel, dragging through water, and shooting out of an air cannon. Each type of testing has its own advantages and drawbacks. Due to the loading mechanics particular to parachutes...

Articles: Imaging

As the optical fiber and cable industry unfolded, several terms were coined to describe specific properties that were new and different from conventional wire processing....

Briefs: Information Technology
BUMPER-CEV Micrometeoroid and Orbital Debris Risk Assessment Code Rev. A

BUMPER-CEV Version 1.71 is used to perform micrometeoroid/orbital debris (MMOD) risk assessments for the Orion Multi-Purpose Crew Vehicle (MPCV) spacecraft. BUMPER is the primary risk analysis program used by NASA to provide for reliable and safe operations of spacecraft...

Who's Who: Materials

Dr. Santo Padula has developed testing techniques to support the development of advanced materials like metallic foams and shape memory alloys (SMAs)....

Articles: Photonics/Optics

Optoelectronic components must be protected from the radiation they are exposed to in military, space and nuclear environments to prevent malfunction and damage. Radiation hardening electronics...

Briefs: Software
Formal Validation of Model-Based Fault Management Design Solutions

Model-Based System Engineering is becoming widely adopted at JPL and in industry because model-centric systems introduce improved methods of system engineering. As systems with ever-increasing complexity are developed at JPL, model-centric engineering be comes essential for...

Articles: Photonics/Optics

The concept of dense wavelength division multiplexing (DWDM) in fiber optic communication networks gained traction when optical amplifiers became available. Able to amplify an...