John T Franczyk

US Patent:

43192556, Mar 9, 1982

Filed:

Dec 14, 1979

Appl. No.:

6/103764

Inventors:

John A. Franczyk - Sloan NY
Willard C. Hamm - Vestal NY
Russell T. White - Binghamton NY

Assignee:

International Business Machines Corporation - Armonk NY

International Classification:

G01D 1508
H04N 122

US Classification:

346163

Abstract:

Method of coloring the erodible metal surface of a metallized record medium by overprinting discrete limited areas of the surface with one or more inks of preselected colors to provide a distinctive halftone tint to the surface without adversely affecting the recording quality of the medium during subsequent selective removal of the metal coating.