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Title: Surface modification to waveguides

Patent ·
OSTI ID:6368706

A method is described for treating the interior surfaces of a waveguide to improve power transmission comprising the steps of mechanically polishing to remove surface protrusions; electropolishing to remove embedded particles; ultrasonically cleaning to remove any residue; coating the interior waveguide surfaces with an alkyd resin solution or electrophoretically depositing carbon lamp black suspended in an alkyd resin solution to form a 1..mu.. to 5..mu.. thick film; vacuum pyrolyzing the film to form a uniform adherent carbon coating.

DOE Contract Number:
AC02-76CH03073
Assignee:
ERA-08-030949; EDB-83-090121
Application Number:
ON: DE83010508
OSTI ID:
6368706
Country of Publication:
United States
Language:
English