Inventor
LEHMANN HANS W
CH4 patents
Patents
4 patentsUS4155627AMay 22, 1979
Color diffractive subtractive filter master recording comprising a plurality of superposed two-level relief patterns on the surface of a substrate
RCA CORP147 citations93
US4534620AAug 13, 1985
Standardized multi-stack dielectric-layer filter blank and method for fabricating color-encoding filter therefrom
RCA CORP29 citations90
US4124473ANov 7, 1978
Fabrication of multi-level relief patterns in a substrate
RCA CORP21 citations78
US4387013AJun 7, 1983
Reactive sputter etching of aluminum
RCA CORP1 citations47