MEMS fabrication of a microelectrode for local electrode atom probe microanalysis
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nonorthogonal MEMS three-dimensional atom probe x-↗
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Results for “Lithography”
Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.
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Nanogeology of metamorphic magnetite using three-dimensional atom probe and focused ion beam secondary mass spectroscopy
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nonorthogonal MEMS three-dimensional atom probe x-↗
Nanogeology of metamorphic magnetite using three-dimensional atom probe and focused ion beam secondary mass spectroscopy
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nonorthogonal MEMS three-dimensional atom probe x-↗
Low-Distortion Imaging Spectrometer Designs Utilizing Convex Gratings
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convex electron-beam-lithography-generated grating↗
Miniature Arrays of Quadrupole and Ion Trap Mass Spectrometers
The conceptual design for miniaturization of two versatile types of mass spectrometers will be discussed: the quadrupole and the ion trap.
miniaturization mass spectrometers quadrupole ion ↗
A Compact, Low-Distortion Imaging Spectrometer for Remte Sensing
We describe a pushbroom imaging spectrometer having a number of attractive features for remote sensing applications, including compact and simple form, good image quality, high effciency, and very low levels of distortion.
electron-beam lithography↗
Fabricating Sub-collimating Grids for an X-ray Solar Imaging Spectrometer using LIGA Techniques
This paper describes fabrication of sub-collimating X-ray grids that are used in an instrument for the High Energy Solar Spectroscopic Imager ( HESSI ), a proposed NASA mission that will promote understanding of solar particle acceleration and explosive energy release in the magnetized plasmas at the Sun. The HESSI comprises 12 rotating pairs of high-aspect-ratio, high-Z grids; each pair is separated by 1.7 meters and backed by a single Ge detector.
x-ray↗
Eclipse apodization: realization of occulting spots and Lyot masks
A key element in the Eclipse coronagraph is the apodized occulting spot. For exo-planet detection in the presence of a sun-like star, the intensity transmittance at the center of the spot is specified to be less than 1X10***sup-8***.
occulting↗
Binary Optic Reflection Grating for an Imaging Spectrometer
A single optical element capable of both wavelength dispersion and imaging would be useful for implementing compact imaging spectrometers.
diffractive↗
Interferometric Optical Filters Utilizing Metal Patterns on Free-Standing Thin Substrates
A new technology for infrared optical filters is presented. We have produced a bandpass filter consisting of a thin Si wafer with cross-shaped metal patterns deposited on both sides.
infrared↗