BR9814000A - Artigo refletivo. - Google Patents

Artigo refletivo.

Info

Publication number
BR9814000A
BR9814000A BR9814000-0A BR9814000A BR9814000A BR 9814000 A BR9814000 A BR 9814000A BR 9814000 A BR9814000 A BR 9814000A BR 9814000 A BR9814000 A BR 9814000A
Authority
BR
Brazil
Prior art keywords
reflective
retro
article
spectral band
conditions
Prior art date
Application number
BR9814000-0A
Other languages
English (en)
Other versions
BR9814000B1 (pt
Inventor
Mark Brian O'neill
Michael F Weber
Olester Benson Jr
John A Wheatley
James Michael Jonza
Gary Bertin Hanson
Original Assignee
Minnesota Mining & Mfg
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minnesota Mining & Mfg filed Critical Minnesota Mining & Mfg
Publication of BR9814000A publication Critical patent/BR9814000A/pt
Publication of BR9814000B1 publication Critical patent/BR9814000B1/pt

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/12—Reflex reflectors
    • G02B5/122—Reflex reflectors cube corner, trihedral or triple reflector type
    • G02B5/124—Reflex reflectors cube corner, trihedral or triple reflector type plural reflecting elements forming part of a unitary plate or sheet
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Laminated Bodies (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Holo Graphy (AREA)

Abstract

"ARTIGO REFLETIVO" Um artigo refletivo possui um filme multicamada cobrindo uma camada retro-refletiva padronizada. Em uma forma de realização a camada retro-refletiva padronizada inclui uma camada com marcas separada cobrindo um substrato retro-refletivo. As marcas são substancialmente escondidas em condições normais de visão mas facilmente detectáveis em condições de iluminação retro-refletiva. São divulgados vários tipos de camadas retro-refletivas. O artigo pode também incluir padrões microestruturados de relevo que produzem imagens holográficas em iluminação ambiente mas que desaparecem em condições retro-refletivas. O filme multicamada inclui camadas alternadas de pelo menos um primeiro e um segundo polímero, e possui uma refletividade relativamente alta para luz incidente normalmente em uma primeira faixa espectral, que é aproximadamente coextensiva com o espectro visível, e uma refletância relativamene baixa para luz incidente normalmente em uma segunda faixa espectral, A segunda faixa espectral pode incluir uma janela de transmissão de largura de banda fracionária de 15% ou menos localizada pelo menos parcialmente no espectro visível. São divulgadas construções de filmes que alcançam transições espectrais mais nítidas do que as previamente atingíveis. São divulgadas também construções de filme que preservam tais transições nítidas mesmo com ângulos de entrada (inclinação) altos.
BRPI9814000-0A 1998-01-13 1998-12-10 artigo refletivo. BR9814000B1 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/006,292 US6024455A (en) 1998-01-13 1998-01-13 Reflective article with concealed retroreflective pattern
PCT/US1998/026180 WO1999036806A1 (en) 1998-01-13 1998-12-10 Reflective article with concealed retroreflective pattern

Publications (2)

Publication Number Publication Date
BR9814000A true BR9814000A (pt) 2000-10-10
BR9814000B1 BR9814000B1 (pt) 2009-01-13

Family

ID=21720202

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI9814000-0A BR9814000B1 (pt) 1998-01-13 1998-12-10 artigo refletivo.

Country Status (11)

Country Link
US (1) US6024455A (pt)
EP (1) EP1047960B1 (pt)
JP (1) JP2002509277A (pt)
KR (1) KR100552889B1 (pt)
CN (1) CN1138992C (pt)
AU (1) AU738111B2 (pt)
BR (1) BR9814000B1 (pt)
CA (1) CA2316266C (pt)
DE (1) DE69816129T2 (pt)
ES (1) ES2198087T3 (pt)
WO (1) WO1999036806A1 (pt)

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BR9814000B1 (pt) 2009-01-13
AU738111B2 (en) 2001-09-06
EP1047960B1 (en) 2003-07-02
CN1138992C (zh) 2004-02-18
CA2316266A1 (en) 1999-07-22
DE69816129T2 (de) 2004-01-08
CN1285047A (zh) 2001-02-21
EP1047960A1 (en) 2000-11-02
AU1812699A (en) 1999-08-02
KR100552889B1 (ko) 2006-02-22
CA2316266C (en) 2008-11-18
DE69816129D1 (de) 2003-08-07
WO1999036806A1 (en) 1999-07-22
KR20010034060A (ko) 2001-04-25
JP2002509277A (ja) 2002-03-26
ES2198087T3 (es) 2004-01-16
US6024455A (en) 2000-02-15

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