Keyword: Assembling

Articles: Aerospace

Recently, NASA renewed a decades-old request for grant proposals that call for “faster, better, cheaper” projects. The ultimate agenda is to expedite developments in aerospace capabilities...

Articles: Aerospace

While high-performance test equipment has been used successfully in the laboratory for many years, the trend is moving toward...

Briefs: Physical Sciences

In 1988, the EPA issued Underground Storage Tank (UST) regulations for fuel storage in order to implement monthly monitoring and annual tightness testing. Monthly monitoring requires that...

Articles: Photonics/Optics

The Department of Energy’s (DoE) National Nuclear Security Administration (NNSA) is pursuing a smaller, safer, more secure, and less expensive nuclear weapons complex. Meeting...

Briefs: Electronics & Computers

The Simulation Concept – How to Exploit Tools for Computing Hybrids (SCHETCH) project is exploring the design modeling and simulation (M&S) process for developing advanced computing...

Briefs: Mechanical & Fluid Systems
Eccentric Mounting and Adjustment System for Belt-Driven Devices

This design relates to an eccentric mounting and adjustment (EMA) system for belt driving, or for belt-driven devices, that is installed and operated within the restricted confines of an engine compartment, typically a motor vehicle. It satisfies two essential requirements for...

Briefs: Photonics/Optics

Externally coupled electroabsorption modulators (EAMs) are commonly used in order to transmit RF signals on optical fibers. Recently, an alternative...

Briefs: Manufacturing & Prototyping

In applications where product performance is mission critical, commercial, military, and aerospace companies require technology to manufacture deep- drawn cylindrical product...

Briefs: Electronics & Computers

An AC coupled interconnect (ACCI) has been developed that could be used to create multiple solutions to contactless chip-to-chip communications. Assembly and testing of a 0.18 um...

Briefs: Materials

A five-and-a-half-year integrated multidisciplinary research project has been characterized by three themes pertinent to the development of advanced materials having tailorable...

Briefs: Photonics/Optics

Cleaning and protecting optics is a challenge — contamination must be removed without damaging the surface. Preventing recontamination for extended periods of time after...

Articles: RF & Microwave Electronics

The Global Precipitation Measurement (GPM) mission will initiate a new era in precipitation measurement in terms of its global extent and frequency of...

Application Briefs: RF & Microwave Electronics

Victims of Hurricane Katrina found peace of mind in the aftermath thanks to an inflatable antenna that enabled emergency satellite communications for displaced Mississippians.

Articles: Defense

Honeywell Aerospace has developed the Micro Air Vehicle (MAV), an unmanned aerial vehicle (UAV) based on ducted-fan technology that recently was deployed in Iraq to identify...

Briefs: Medical

During 2007, progress was made on several fronts in a research program oriented toward developing capabilities for biocompatible and biomimetic self-assembly of nanostructures that...

Briefs: Manufacturing & Prototyping

An experimental study of vacuum brazing of titanium and of the effects of changes in brazing alloys and brazing process conditions has been performed. [As used here, “titanium” signifies both...

Briefs: Physical Sciences
Imaging System for Characterizing Materials and Processes

Ahigh-performance digital imaging system has been assembled to provide enhanced capabilities for characterizing materials and processes. Highspeed imaging is needed for observation and analysis of such fast dynamic processes as impact fracture (including ballistically induced fracture) in...

Briefs: Electronics & Computers

Progress has been reported in a continuing effort to develop pulsed, high-power microwave signal sources based on (1) oscillators in the form of relativistic magnetrons containing...

Briefs: Electronics & Computers
Assembly of Nanowire-Based Computing Systems

A program to develop ultra-dense integrated digital data-processing systems and circuits based on nanowires involves utilization of hybrid top-down and bottom-up assembly techniques to implement designs representative of a highly reliable defect- and fault-tolerant architecture. This program has...

Briefs: Materials

Plasma-spray application of coating materials that include tungsten carbide has been investigated as an alternative to electroplating of hard chromium onto internal metal surfaces...