DE68919749D1 - Effizientes Material für einen Würfelecken Retroreflektor. - Google Patents

Effizientes Material für einen Würfelecken Retroreflektor.

Info

Publication number
DE68919749D1
DE68919749D1 DE68919749T DE68919749T DE68919749D1 DE 68919749 D1 DE68919749 D1 DE 68919749D1 DE 68919749 T DE68919749 T DE 68919749T DE 68919749 T DE68919749 T DE 68919749T DE 68919749 D1 DE68919749 D1 DE 68919749D1
Authority
DE
Germany
Prior art keywords
faces
rectangular
surface layer
triangular
approximately
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
DE68919749T
Other languages
English (en)
Other versions
DE68919749T2 (de
Inventor
John C C O Minnesota Mi Nelson
Mark E C O Minnesota Gardiner
Roger H C O Minnesot Appeldorn
Timothy L C O Minnesot Hoopman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Publication of DE68919749D1 publication Critical patent/DE68919749D1/de
Application granted granted Critical
Publication of DE68919749T2 publication Critical patent/DE68919749T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • G02B1/12—Optical coatings produced by application to, or surface treatment of, optical elements by surface treatment, e.g. by irradiation
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods
DE68919749T 1988-05-20 1989-05-17 Effizientes Material für einen Würfelecken Retroreflektor. Expired - Fee Related DE68919749T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/197,107 US4938563A (en) 1986-11-21 1988-05-20 High efficiency cube corner retroflective material

Publications (2)

Publication Number Publication Date
DE68919749D1 true DE68919749D1 (de) 1995-01-19
DE68919749T2 DE68919749T2 (de) 1995-06-14

Family

ID=22728080

Family Applications (1)

Application Number Title Priority Date Filing Date
DE68919749T Expired - Fee Related DE68919749T2 (de) 1988-05-20 1989-05-17 Effizientes Material für einen Würfelecken Retroreflektor.

Country Status (11)

Country Link
US (1) US4938563A (de)
EP (1) EP0342958B1 (de)
JP (1) JP2986161B2 (de)
KR (1) KR0151136B1 (de)
CN (1) CN1022588C (de)
AT (1) ATE115297T1 (de)
AU (1) AU620399B2 (de)
BR (1) BR8902358A (de)
CA (1) CA1319551C (de)
DE (1) DE68919749T2 (de)
ZA (1) ZA893703B (de)

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CA2169807C (en) * 1996-02-19 1999-09-07 Italo Caroli Reflex pin with adjusted angle
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US5919551A (en) * 1996-04-12 1999-07-06 3M Innovative Properties Company Variable pitch structured optical film
US5763049A (en) * 1996-04-30 1998-06-09 Minnesota Mining And Manufacturing Company Formed ultra-flexible retroreflective cube-corner composite sheeting with target optical properties and method for making same
US5814355A (en) * 1996-04-30 1998-09-29 Minnesota Mining And Manufacturing Company Mold for producing glittering cube-corner retroreflective sheeting
US5770124A (en) * 1996-04-30 1998-06-23 Minnesota Mining And Manufacturing Company Method of making glittering cube-corner retroreflective sheeting
US5840405A (en) * 1996-04-30 1998-11-24 Minnesota Mining And Manufacturing Company Glittering cube-corner retroreflective sheeting
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JP3974959B2 (ja) * 1996-09-30 2007-09-12 スリーエム カンパニー 再帰反射性情報表示シートの製造方法
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US6861141B2 (en) * 1996-12-04 2005-03-01 Gina M. Buccellato Pavement marking article and raised pavement marker that uses pressure sensitive adhesive
US5981113A (en) 1996-12-17 1999-11-09 3M Innovative Properties Company Curable ink composition and imaged retroreflective article therefrom
US6461003B1 (en) 1997-06-12 2002-10-08 Purdue Research Foundation Corner cube arrays and manufacture thereof
US5889615A (en) * 1997-06-27 1999-03-30 Minnesota Mining And Manufacturing Company Dual axis retroreflective articles
US6253442B1 (en) * 1997-07-02 2001-07-03 3M Innovative Properties Company Retroreflective cube corner sheeting mold and method for making the same
US5981032A (en) * 1997-07-02 1999-11-09 3M Innovative Properties Company Retroreflective cube corner sheeting mold and sheeting formed therefrom
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US6036322A (en) * 1997-12-01 2000-03-14 Reflexite Corporation Multi-orientation retroreflective structure
US6282026B1 (en) 1998-02-05 2001-08-28 3M Innovative Properties Company Retroreflectors having two optical surfaces and varying retroreflectivity
US6045230A (en) * 1998-02-05 2000-04-04 3M Innovative Properties Company Modulating retroreflective article
US6067143A (en) * 1998-06-04 2000-05-23 Tomita; Akira High contrast micro display with off-axis illumination
US6322652B1 (en) * 1998-09-04 2001-11-27 3M Innovative Properties Company Method of making a patterned surface articles
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US6055108A (en) * 1999-02-11 2000-04-25 Minnesota Mining And Manufacturing Company Imaging articles and methods using dual-axis retroreflective elements
US6172810B1 (en) 1999-02-26 2001-01-09 3M Innovative Properties Company Retroreflective articles having polymer multilayer reflective coatings
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US6540367B1 (en) * 1999-04-07 2003-04-01 3M Innovative Properties Company Structured surface articles containing geometric structures with compound faces and methods for making same
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KR20010018578A (ko) * 1999-08-20 2001-03-05 성재갑 입사광을 부분 내부 전반사시키는 변형 큐브코너 재귀반사체 및 그 제조방법
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US8728610B2 (en) 2000-02-25 2014-05-20 3M Innovative Properties Company Compound mold and structured surface articles containing geometric structures with compound faces and method of making same
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US4460449A (en) * 1983-01-03 1984-07-17 Amerace Corporation Apparatus for making a tool
US4588258A (en) * 1983-09-12 1986-05-13 Minnesota Mining And Manufacturing Company Cube-corner retroreflective articles having wide angularity in multiple viewing planes
US4672089A (en) * 1984-08-10 1987-06-09 Amerace Corporation Retroreflective sheeting
US4703999A (en) * 1986-06-16 1987-11-03 Minnesota Mining And Manufacturing Company Wide-angle-reflective cube-corner retroreflective sheeting
US4775219A (en) 1986-11-21 1988-10-04 Minnesota Mining & Manufacturing Company Cube-corner retroreflective articles having tailored divergence profiles

Also Published As

Publication number Publication date
AU3487989A (en) 1989-11-23
ZA893703B (en) 1991-01-30
CA1319551C (en) 1993-06-29
US4938563A (en) 1990-07-03
KR0151136B1 (ko) 1998-12-15
ATE115297T1 (de) 1994-12-15
CN1038885A (zh) 1990-01-17
EP0342958A2 (de) 1989-11-23
AU620399B2 (en) 1992-02-20
CN1022588C (zh) 1993-10-27
EP0342958A3 (en) 1990-02-21
EP0342958B1 (de) 1994-12-07
DE68919749T2 (de) 1995-06-14
JPH0222602A (ja) 1990-01-25
BR8902358A (pt) 1990-01-09
KR890017553A (ko) 1989-12-16
JP2986161B2 (ja) 1999-12-06

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