Techniques for removing contaminants from optical surfaces

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Particle removal procedures such as plasma cleaning, ultrasonic agitation of solvents, detergents, solvent wiping, mild abrasives, vapor degreasing, high pressure solvent spraying and others have been evaluated and the results are reported here. Wiping with a lens tissue wetted with an organic solvent and high pressure fluid spraying are the only methods by which particles as small as 5 ..mu..m can be effectively removed. All of the other methods tested were found to be at least two orders of magnitude less effective at removing small insoluble particles. An additional and as yet unresolved problem is the development of a reliable ... continued below

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Pages: 14

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Stowers, I.F. & Patton, H.G. October 12, 1978.

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Description

Particle removal procedures such as plasma cleaning, ultrasonic agitation of solvents, detergents, solvent wiping, mild abrasives, vapor degreasing, high pressure solvent spraying and others have been evaluated and the results are reported here. Wiping with a lens tissue wetted with an organic solvent and high pressure fluid spraying are the only methods by which particles as small as 5 ..mu..m can be effectively removed. All of the other methods tested were found to be at least two orders of magnitude less effective at removing small insoluble particles. An additional and as yet unresolved problem is the development of a reliable method for evaluating particulate surface cleanliness. Without such a reproducible monitoring technique, the large diversity of cleaning methods currently available cannot be quantitatively evaluated.

Physical Description

Pages: 14

Notes

Dep. NTIS, PC A02/MF A01.

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  • 4. conference on contamination, Washington, DC, USA, 10 Sep 1978

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  • Report No.: UCRL-80730
  • Report No.: CONF-780907-6
  • Grant Number: W-7405-ENG-48
  • Office of Scientific & Technical Information Report Number: 6448229
  • Archival Resource Key: ark:/67531/metadc1212271

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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.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • October 12, 1978

Added to The UNT Digital Library

  • July 5, 2018, 11:11 p.m.

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  • Oct. 11, 2018, 3:07 p.m.

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Stowers, I.F. & Patton, H.G. Techniques for removing contaminants from optical surfaces, article, October 12, 1978; United States. (digital.library.unt.edu/ark:/67531/metadc1212271/: accessed October 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.