Articles
Product Simplification: Rediscover a Whole New Game

Product simplification is the discipline of merging the greatest performance functionality into the fewest number of parts using the most suitable and cost-effective materials and manufacturing processes. It is an engineering board game, in a way, answering questions about a design and seeing a...

Who's Who
Dr. Alexander Kashlinsky, Senior Staff Scientist, SSAI, Goddard Space Flight Center, Greenbelt, MD

Dr. Alexander Kashlinsky is a principal investigator on several NASA and NSF grants studying topics related to cosmological bulk flows, cosmic microwave and infrared background radiation, and early stellar populations. Using the Wilkinson Microwave...

Techs for License
Green Sewage Treatment and Water Purification Technology

A green sewage treatment and water purification technology combines water with fertilizer and biomass production. The sustainable water treatment system produces biofuel and organic fertilizer, and extracts carbon from the atmosphere. No electric power is required for sewage treatment,...

Techs for License
Odor Removal From Recycled Plastics

This technology removes odors from recycled plastics, especially high-density polyethylene (HDPE). Odors absorbed from household or industrial liquids do not affect physical properties of the polymer, but make the recycled plastic unsuitable for consumer goods. Trace amounts of polyethylene imines blended with...

Tech Needs
Generating Sodium Hydroxide from Sodium Sulfate and Calcium Hydroxide

A company produces crystalline sodium sulfate as a byproduct, using sodium hydroxide as one of many feeds within the process. They seek to use the available compounds to produce it in situ. The company seeks a process that uses sodium sulfate and calcium oxide to produce...

NASA Tech Needs
Manufacturing Method for Joining Elastic Materials

A company seeks methods of joining identical elastic materials. The current method is to use adhesives to bond the elastic components physically, but adhesives lack the strength of a chemical bond or weld. A method of joining or bonding natural or synthetic rubber in a way that can withstand a...

Podcasts
Dr. Alexander Kashlinsky, Senior Staff Scientist, SSAI, Goddard Space Flight Center, Greenbelt, MD

Dr. Alexander Kashlinsky is a principal investigator on several NASA and NSF grants studying topics related to cosmological bulk flows, cosmic microwave and infrared background radiation, and early stellar populations. Using the Wilkinson...

Features : Energy
"Create the Future" Sustainable Technologies Category Winner

The 2008 NASA Tech Briefs "Create the Future Design Contest," presented by SolidWorks, recognized innovation in product design in six categories: Consumer Products, Machinery & Equipment, Medical, Safety & Security, Sustainable Technologies, and Transportation. Here is the winner of...

Briefs : Energy
Quantum-Well Thermophotovoltaic Cells

Thermophotovoltaic cells containing multiple quantum wells have been invented as improved means of conversion of thermal to electrical energy. These cells are expected to be especially useful for extracting electrical energy from combustion, waste-heat, and nuclear sources. Conversion efficiencies more than...

Articles : Motion Control
Slip Clutches Solve Diverse Design Problems

Slip clutches are commonly used to protect against overloads, but they can solve many other problems as well. Their applications include increasing machine speeds, applying constant tension to webs or wires, indexing a mechanism, holding a hinged object in position, controlling torque on capping or...

Application Briefs : Sensors/Data Acquisition
BEI Duncan’s Steer-by-Wire Technology Improves Fuel Efficiency for AGCO Challenger® Tractor

Off-highway tractors slog through mud, muck, and other rough terrain on a daily basis. Achieving high reliability and performance in spite of these harsh conditions requires technology at its best. To improve fuel efficiency and reliability while...

Application Briefs : Motion Control
Delta Motion Controller Helps ADI Improve Automotive Chassis Testing

There’s a science to testing metal structures for rigidity and performance under stress. The development of new testing methodologies is continuing at a fast pace, aided by innovations in supporting technologies. For example, motion controllers have evolved to support special...

Application Briefs : Sensors/Data Acquisition
Heidenhain Encoders Help TRW Machine Ford SUV Parts

TRW has been making parts for the automotive industry for many years, but when Ford Automotive considered giving them the contract to manufacture the rear toe-links for their Navigator and Expedition SUVs, their traditional lathes were considered inadequate for the task. The solution was to...

Products
Optical Encoder

The TONiC optical encoder from Renishaw, Hoffman Estates, IL, provides the accuracy of fine-pitch encoders in a rugged, simple-to-install package. It employs a compact read head (35mm long × 13.5mm wide × 10mm high for design/application flexibility and installation; even on micro-manufacturing systems for the semiconductor,...

Products
Pillow Blocks

Pillow blocks from Quality Bearings & Components, Garden City Park, NY, feature both locking collar and set screw types. Designated the BBXBLK-HCP and BBXBLK-UCP Series, the blocks have cast iron housings and are designed to fit shafts ranging from 1/2 to 3-1/2in. in diameter. The height from the bottom of the unit to the shaft...

Products
Incremental Encoder

The DFS 60 incremental encoders from Sick|Stegmann, Dayton, OH, are available in fully programmable versions to accommodate any value from 1 to 65,536 pulses per revolution. With the help of a simple programming tool, users, system integrators and distributors can select any number of lines between 1 and 65,536 via their PC...

Products
Piezo Linear Actuator

Based on the Piezo Walk principle, the N-380/N-381 NEXACT® ceramic linear motor actuator from Physik Instrumente replaces classical lead screw actuators. It combines high forces and long travel ranges with sub-nanometer resolution in a small package. It provides 1 kg of push/pull force, 30mm of travel, and 10mm/sec...

Products
DC Gearmotors

Designed for high torque, tight space applications, the FlexTorq™ 762 series hollow shaft offset DC gearmotors from Bison Gear & Engineering Corp., St. Charles, IL, feature either a 1.25in. (31.75mm) I.D. hollow shaft, or a 1.25in. diameter solid shaft in u-shaped or s-shaped configurations. Driven by 1/20, 1/4 or 1/2hp, 90Vdc...

Products
Speed Regulator

The Cushion-Start Kinechek® speed regulator from Deschner Corp., Santa Ana, CA, combines the shock absorbing feature of the company’s Cushioneer® shock absorber with the Kinechek® speed regulator. The impact-absorbing feature is a safeguard for those applications where a fast moving load exerts an impact force beyond the...

Products
Electric Actuator

The EGC electric actuator from Festo Corp., Hauppauge, NY, is designed for high dynamic speeds and high rigidity. It can be used as an individual component adapted to third-party motors, or as a complete system. The actuator is available with ball screw pitches in sizes 70, 80, 120, 185, and toothed belt pitches sizes of 50,...

Products
Linear Drive

The TA333 high-power linear drive from Trust Automation, San Luis Obispo, CA, combines a Class-AB linear amplifier with pure analog throughput at currents up to 25A. Highly configurable, the drive can be used with a brushless motor using external sinusoidal commutation, with an internally commutated brushless motor with Hall Effect...

Articles : Photonics/Optics
Taming Residual Bulk Image in CCDs

Residual bulk image (RBI) is a phenomenon observed in certain types of front side-illuminated charge-coupled devices (CCDs). A CCD is an electronic light sensor used in digital cameras. In simplest terms, the sensor exhibits a memory of prior exposures resulting in ghost images appearing in subsequent images....

Products
Photonics Tech Briefs Announces 2008 Products of the Year

The votes are in and the winners of the 2008 Photonics Tech Briefs Readers’ Choice Product of the Year Awards have been selected.

Application Briefs : Defense
Shortwave Infrared - The Latest Weapon in the War on Terror

Keeping one step ahead of our adversaries is top priority for security forces with terrorist threats growing daily around the world. Intelligence, surveillance and reconnaissance are the core situational awareness tools for the global war on terrorism (GWOT). Just as night vision...

Application Briefs : Photonics/Optics
Shortwave Infrared - The Latest Weapon in the War on Terror

Keeping one step ahead of our adversaries is top priority for security forces with terrorist threats growing daily around the world. Intelligence, surveillance and reconnaissance are the core situational awareness tools for the global war on terrorism (GWOT). Just as night vision...

Products
Product of the Month: Laser Beam Analysis System

Ophir-Spiricon (Logan, UT) has introduced BeamGageTM, a new laser beam analysis system. Based on UltraCalTM, Ophir-Spiracon’s patented baseline correction algorithm that helped establish the ISO 11146-3 standard for beam measurement accuracy, BeamGage guarantees that the data baseline...

Products
Gel Imaging System

UVP (Upland, CA) has released an upgraded GelDoc-ItTMTS Imaging System with a 15" VGA screen for high resolution fluorescent imaging. The GelDoc-It TS touch screen capabilities and built-in computer minimizes equipment on the laboratory workbench. The high resolution, scientific grade CCD camera, with conveniently located zoom...

Products
Near-IR Cameras

FJW Optical Systems, Inc. (Palatine, IL) has released the Find-R-Scope model 85700 and 85706 Near-IR Cameras. The cameras utilize a 2.54cm (1”) PbO-PbS Super Infrared Vidicon and sophisticated electronics to provide uniform high resolution, low geometric distortion, and low noise performance without compromising long term...

Products
LED Lighting Modules

The Imaging Source (Charlotte, NC) now offers cost effective LED lighting modules, which seamlessly integrate with The Imaging Source USB, FireWire, and GigE cameras. The lighting modules feature very bright LEDs and direct connection to the camera. All parameters can be set via the shipped software, IC Capture and IC...

Products
Piezo Stages

Physik Instrumente (Auburn, MA) has extended its line of piezo stages for scanning microscopy applications. The P-737 Piezo Z-Focusing Stage is offered along with the stiffer, P-726 high performance microscope lens focusing system for large NA microscope objectives and the redesigned P-686 XY piezo motor positioning stage providing...

Technology Leaders