Use of molecular beams to support microspheres during plasma coating

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Description

Spherical laser fusion targets can be levitated on beams of Ar or other gas atoms. This is an especially useful and reliable technique for supporting microspheres during plasma coating or plasma etching. The reliability of this technique is principally the result of two things: the success of a special centering device which provides a lateral, stabilizing force on the levitated microspheres; and a gas handling system which is capable of controlling levitation gas flow in the microtorr liter/sec range. We have determined that the operational regime of this device is that of Knudsen's flow. This knowledge of the flow characteristics ... continued below

Physical Description

Pages: 23

Creation Information

Crane, J.K.; Smith, R.D.; Johnson, W.L.; Letts, S.A.; Korbel, G.R. & Krenick, R.M. August 26, 1980.

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  • Lawrence Livermore Laboratory
    Publisher Info: California Univ., Livermore (USA). Lawrence Livermore Lab.
    Place of Publication: Livermore, California

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Description

Spherical laser fusion targets can be levitated on beams of Ar or other gas atoms. This is an especially useful and reliable technique for supporting microspheres during plasma coating or plasma etching. The reliability of this technique is principally the result of two things: the success of a special centering device which provides a lateral, stabilizing force on the levitated microspheres; and a gas handling system which is capable of controlling levitation gas flow in the microtorr liter/sec range. We have determined that the operational regime of this device is that of Knudsen's flow. This knowledge of the flow characteristics has been important in developing this device.

Physical Description

Pages: 23

Notes

NTIS, PC A02/MF A01.

Source

  • American Vacuum Society conference, Detroit, MI, USA, 13 Oct 1980

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  • Report No.: UCRL-84488
  • Report No.: CONF-801037-9
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 5068161
  • Archival Resource Key: ark:/67531/metadc1061884

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

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Creation Date

  • August 26, 1980

Added to The UNT Digital Library

  • Jan. 22, 2018, 7:23 a.m.

Description Last Updated

  • Feb. 1, 2018, 1 p.m.

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Crane, J.K.; Smith, R.D.; Johnson, W.L.; Letts, S.A.; Korbel, G.R. & Krenick, R.M. Use of molecular beams to support microspheres during plasma coating, article, August 26, 1980; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc1061884/: accessed December 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.