Accession Number:

AD0655098

Title:

DEVELOPMENT OF DIFFRACTION GRATINGS FOR THE FAR ULTRAVIOLET.

Descriptive Note:

Final rept. 1 Apr 64-31 Mar 67,

Corporate Author:

JOHNS HOPKINS UNIV BALTIMORE MD LAB OF ASTROPHYSICS AND PHYSICAL METEOROLOGY

Personal Author(s):

Report Date:

1967-04-30

Pagination or Media Count:

16.0

Abstract:

Work on procedures of ruling gratings for the far ultraviolet is reported in the following areas 1 Ruling tools other than diamond. 2 Improvements in tool shape and lubrication. 3 Ruling properties of glass surfaces--fire polish versus pitch and felt polish and composition. 4 Resists and management of etching by ultrasonic agitation. 5 Etching by ion bombardment. 6 Interpretation of electron microphotographs of grating grooves. Author

Subject Categories:

  • Test Facilities, Equipment and Methods
  • Optics

Distribution Statement:

APPROVED FOR PUBLIC RELEASE