Stock material or miscellaneous articles – Composite – Of inorganic material
Patent
1994-07-11
1995-12-05
Nold, Charles R.
Stock material or miscellaneous articles
Composite
Of inorganic material
428 363, 428 37, 428225, 428298, 428373, 4285426, 428913, D03D 2500
Patent
active
054727987
ABSTRACT:
A coloring structure for generating a color having a wave length in an area of a visible light by reflecting and interfering actions of a natural light includes first substance layers having an optical refractive index of n.sub.a and second substance layers having an optical refractive index of n.sub.b. The second layers overlie respective first layers in an alternating arrangement of the first and second layers. In order to generate a brilliant color by the reflecting and interfering actions, the optical refractive indexes n.sub.a and n.sub.b are established to satisfy both of relationships "1.3.ltoreq.n.sub.a " and "1.1.ltoreq.n.sub.b
.sub.a .ltoreq.1.4". The coloring structure may contain a fluorescent pigment.
REFERENCES:
"Studies on the Photo-Controllable Coloring Fibers: Part 1: Photo-Controllable Coloring of Laminated Polymer Films by Optical Interference", Kiyoichi Matsumoto et al., vol. 42, No. 2, p. 55.
"Studies on the Photo-Controllable Coloring Fibers: Part 2: Hue Analysis of the Photo-Controllable Coloring Films", Kiyoichi Matsumoto et al., vol. 42, No. 10, p. 60, 1989.
Kumazawa Kinya
Tabata Hiroshi
Takimoto Junichi
Nissan Motor Co,. Ltd.
Nold Charles R.
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