ALIGNABLE DIFFRACTIVE
PIGMENT FLAKES
Patent No. U.S. 7,300,695 B2
JDS Uniphase Corporation has
obtained a patent for an image
formed on a medium. The image is
comprised of a first region including
a first plurality of diffractive pigment
flakes each having a diffractive
structure that forms a pattern of
lines or grooves, wherein most of the
first plurality of diffractive pigment
flakes are oriented in a selected first
orientation such that the lines or
grooves of the flakes are substantially
parallel to each other and a second
region.