DEVELOPMENT OF DIFFRACTION GRATINGS FOR THE FAR ULTRAVIOLET.
Final rept. 1 Apr 64-31 Mar 67,
JOHNS HOPKINS UNIV BALTIMORE MD LAB OF ASTROPHYSICS AND PHYSICAL METEOROLOGY
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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
- Test Facilities, Equipment and Methods