Manufacturing & Prototyping

Access our comprehensive library of technical briefs on manufacturing and prototyping, from engineering experts at NASA and government, university, and commercial laboratories.

36
-1
1020
30
Briefs: Photonics/Optics
An improved packaging approach has been devised for filling a hollow-core photonic-crystal fiber (HC-PCF) with a gas, sealing the HC-PCF to retain the gas, and providing for optical connections and,...
Feature Image
Briefs: Manufacturing & Prototyping
Thermal Spray Formation of Polymer Coatings
This innovation forms a sprayable polymer film using powdered precursor materials and an in-process heating method. This device directly applies a powdered polymer onto a substrate to form an adherent, mechanically-sound, and thickness-regulated film. The process can be used to lay down both fully dense...
Briefs: Software
Displaying CFD Solution Parameters on Arbitrary Cut Planes
USMC6 is a Fortran 90 computer program for post-processing in support of visualization of flows simulated by computational fluid dynamics (CFD). The name "USMC6" is partly an abbreviation of "TetrUSS — USM3D Solution Cutter," reflecting its origin as a post-processor for use with USM3D...
Briefs: Materials
An experiment has shown that when single- walled carbon nanotubes (SWNTs) are grown by chemical vapor deposition in the presence of an electric field of suitable strength, the nanotubes become...
Feature Image
Briefs: Materials
Carpetlike random arrays of metal-coated silicon nanotips have been shown to be effective as antireflection surfaces. Now undergoing development for incorporation into Sun sensors that would provide...
Feature Image
Briefs: Manufacturing & Prototyping
This innovation consists of a set of methodologies for preparing large area (>1 cm2) domains of single-atomic-layer graphite, also called graphene, in single (two-dimensional)...
Feature Image
Briefs: Manufacturing & Prototyping
Solar Power Industries' (SPI) current annual production capacity for processing polycrystalline silicon feedstock into completed solar cells has grown to 40 megawatts, with...
Feature Image
Briefs: Manufacturing & Prototyping
An improved method of filling a molding flask with sand and compacting the sand around a refractory- coated foam mold pattern has been developed for incorporation into the lost-foam...
Feature Image
Briefs: Manufacturing & Prototyping
A nominally stationary tubular probe denoted a telescopic probe has been developed as an improved alternative to a prior movable probe used to evaluate the local degree of compaction of mold...
Feature Image
Briefs: Manufacturing & Prototyping
Micromachined Slits for Imaging Spectrometers
Slits for imaging spectrometers can now be fabricated to a precision much greater than previously attainable. What makes this possible is a micromachining process that involves the use of microlithographic techniques. This micromachining process supplants a prior machine-shop process.
Briefs: Manufacturing & Prototyping
Fabricating Nanodots Using Lift-Off of a Nanopore Template
A process for fabricating a planar array of dots having characteristic dimensions of the order of several nanometers to several hundred nanometers involves the formation and use of a thin alumina nanopore template on a semiconductor substrate. The dot material is deposited in the nanopores,...
Briefs: Manufacturing & Prototyping
Making Complex Electrically Conductive Patterns on Cloth
A method for automated fabrication of flexible, electrically conductive patterns on cloth substrates has been demonstrated. Products developed using this method, or related prior methods, are instances of a technology known as "e-textiles," in which electrically conductive patterns are formed...
Briefs: Manufacturing & Prototyping
During the first decade of direct metal laser-sintering (DMLS), the metals employed were generally ones developed specifically for DMLS, rather than those used in traditional metalforming methods. But in...
Feature Image
Briefs: Manufacturing & Prototyping
A microfluidic system has been designed to survive spaceflight and to function autonomously on the Martian surface. It manipulates microscopic quantities of liquid water and...
Feature Image
Briefs: Manufacturing & Prototyping
Fabricating High-Resolution X-Ray Collimators
A process and method for fabricating multi-grid, high-resolution rotating modulation collimators for arcsecond and sub-arcsecond x-ray and gamma-ray imaging involves photochemical machining and precision stack lamination. The special fixturing and etching techniques that have been developed are used for...
Briefs: Manufacturing & Prototyping
A continuing effort to develop carbon- nanotube-based field emitters (cold cathodes) as high-current-density electron sources has yielded an optimized device...
Feature Image
Briefs: Manufacturing & Prototyping
G3 Genuine Guide Gear (G3) of North Vancouver, British Columbia, Canada, is a specialized manufacturer of backcountry ski and safety equipment — including telemark bindings and...
Feature Image
Briefs: Manufacturing & Prototyping
A proposed method of design and fabrication of vacuum-packaged microelectromechanical systems (MEMS) and of individual microelectromechanical devices involves the use of multiple...
Feature Image
Briefs: Manufacturing & Prototyping
A relatively rapid, economical process has been devised for patterning a thin film of indium tin oxide (ITO) that has been deposited on a polyester film. ITO is a transparent, electrically conductive...
Feature Image
Briefs: Manufacturing & Prototyping
In a proposed improvement of tooling for friction stir welding, gimballed shoulders would supplant shoulders that, heretofore, have been fixedly aligned with pins. The proposal is especially...
Feature Image
Briefs: Manufacturing & Prototyping
Creep Forming of Carbon-Reinforced Ceramic-Matrix Composites
A set of lecture slides describes an investigation of creep forming as a means of imparting desired curvatures to initially flat stock plates of carbon-reinforced ceramic-matrix composite (C-CMC) materials. The investigation is apparently part of a continuing effort to develop improved...
Briefs: Manufacturing & Prototyping
A shape reminiscent of a dog bone has been found to be superior to other shapes for mechanical-amplification horns that are components of piezoelectrically driven actuators used in a...
Feature Image
Briefs: Manufacturing & Prototyping
Freeze tape casting is a means of making preforms of ceramic sheets that, upon subsequent completion of fabrication processing, can have anisotropic and/or functionally graded...
Feature Image
Briefs: Manufacturing & Prototyping
A method of electrophoretic deposition (EPD) on substrates that are porous and electrically non-conductive has been invented. Heretofore, in order to perform an EPD, it has been necessary to...
Feature Image
Briefs: Manufacturing & Prototyping
The figure depicts selected aspects of the rapid and quiet drill (RAQD), which is a prototype apparatus for drilling concrete or bricks. The design and basic principle of operation of the RAQD overlap, in several respects,...
Feature Image
Briefs: Manufacturing & Prototyping
A relatively simple and economical process and apparatus for concentrating hydrogen peroxide from aqueous solution at the point of use have been invented. The need for this or a similar invention arises for the...
Feature Image
Briefs: Manufacturing & Prototyping
An anodizing process, at an early stage of development at the time of reporting the information for this article, has shown promise as a means of fabricating alumina nanotemplates...
Feature Image
Briefs: Manufacturing & Prototyping
Fluorine-Based DRIE of Fused Silica
A process of deep reactive-ion etching (DRIE) using a fluorine-based gas mixture enhanced by induction-coupled plasma (ICP) has been demonstrated to be effective in forming high-aspect-ratio three-dimensional patterns in fused silica. The patterns are defined in part by an etch mask in the form of a thick,...
Briefs: Manufacturing & Prototyping
An economical room-temperature mechanical alloying process has been shown to be an effective means of making a homogeneous powder that can be hot-pressed to synthesize a thermoelectric...
Feature Image

Videos