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Title: Aerogel-supported filament

Abstract

The present invention is a thin filament embedded in a low density aerogel for use in radiation detection instruments and incandescent lamps. The aerogel provides a supportive matrix that is thermally and electrically nonconductive, mechanically strong, highly porous, gas-permeable, and transparent to ionizing radiation over short distances. A low density, open-cell aerogel is cast around a fine filament or wire, which allows the wire to be positioned with little or no tension and keeps the wire in place in the event of breakage. The aerogel support reduces the stresses on the wire caused by vibrational, gravitational, electrical, and mechanical forces.

Inventors:
 [1];  [2];  [3]
+ Show Inventor Affiliations
  1. Danville, CA
  2. Tracy, CA
  3. (Dallas, TX)
Issue Date:
Research Org.:
Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
OSTI Identifier:
869885
Patent Number(s):
5416376
Assignee:
Regents of University of California ()
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01T - MEASUREMENT OF NUCLEAR OR X-RADIATION
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01J - ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
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DOE Contract Number:  
W-7405-ENG-48
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
aerogel-supported; filament; embedded; density; aerogel; radiation; detection; instruments; incandescent; lamps; provides; supportive; matrix; thermally; electrically; nonconductive; mechanically; strong; highly; porous; gas-permeable; transparent; ionizing; distances; open-cell; cast; fine; wire; allows; positioned; tension; event; breakage; support; reduces; stresses; caused; vibrational; gravitational; electrical; mechanical; forces; ionizing radiation; radiation detection; mechanical forces; highly porous; mechanical force; electrically nonconductive; detection instrument; filament embedded; density aerogel; /313/250/

Citation Formats

Wuest, Craig R, Tillotson, Thomas M, and Johnson, III, Coleman V. Aerogel-supported filament. United States: N. p., 1995. Web.
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Wuest, Craig R, Tillotson, Thomas M, & Johnson, III, Coleman V. Aerogel-supported filament. United States.
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Wuest, Craig R, Tillotson, Thomas M, and Johnson, III, Coleman V. Sun . "Aerogel-supported filament". United States. https://www.osti.gov/servlets/purl/869885.
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@article{osti_869885,
title = {Aerogel-supported filament},
author = {Wuest, Craig R and Tillotson, Thomas M and Johnson, III, Coleman V.},
abstractNote = {The present invention is a thin filament embedded in a low density aerogel for use in radiation detection instruments and incandescent lamps. The aerogel provides a supportive matrix that is thermally and electrically nonconductive, mechanically strong, highly porous, gas-permeable, and transparent to ionizing radiation over short distances. A low density, open-cell aerogel is cast around a fine filament or wire, which allows the wire to be positioned with little or no tension and keeps the wire in place in the event of breakage. The aerogel support reduces the stresses on the wire caused by vibrational, gravitational, electrical, and mechanical forces.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 1995},
month = {Sun Jan 01 00:00:00 EST 1995}
}
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