Title:
【発明の名称】表面用の回折マーク
Document Type and Number:
Japanese Patent JPH09506442
Kind Code:
A
Abstract:
PCT No. PCT/AU94/00723 Sec. 371 Date Apr. 12, 1996 Sec. 102(e) Date Apr. 12, 1996 PCT Filed Nov. 23, 1994 PCT Pub. No. WO95/14954 PCT Pub. Date Jun. 1, 1995Diffractive indicia for a surface (1) comprising a plurality of small separate diffractive elements (2) and means for a adhering the diffractive elements to the surface. Each diffractive element has a diffractive surface relief structure and is not separately resolvable to the human eye. The appearance of the diffractive indicia, when applied to the surface, changes when the viewing angle and/or angle of illumination relative to the surface changes. In preferred arrangements, the diffractive indicia, are incorporated in an ink or a transfer medium. A palette of diffractive indicia with different characteristic colours and other optical properties may be provided.
Inventors:
Lee, Robert Arthur
Application Number:
JP51469794A
Publication Date:
June 24, 1997
Filing Date:
November 23, 1994
Export Citation:
Assignee:
Commonwealth Scientific and Industrial Research Organization
International Classes:
B42D15/10; B41M3/12; B41M3/14; B41M5/00; B44C1/10; B44C1/165; B44F1/14; C09D11/00; C09D11/02; C09D11/033; C09D11/037; C09D11/50; G02B5/18; G02B27/42; (IPC1-7): G02B5/18; B41M3/14; B41M5/00; B42D15/10; C09D11/02
Attorney, Agent or Firm:
Kyozo Yuasa (6 people outside)