DE69933735D1 - Herstellung von geprägten optischen Polymerfilmen - Google Patents

Herstellung von geprägten optischen Polymerfilmen

Info

Publication number
DE69933735D1
DE69933735D1 DE69933735T DE69933735T DE69933735D1 DE 69933735 D1 DE69933735 D1 DE 69933735D1 DE 69933735 T DE69933735 T DE 69933735T DE 69933735 T DE69933735 T DE 69933735T DE 69933735 D1 DE69933735 D1 DE 69933735D1
Authority
DE
Germany
Prior art keywords
production
polymer films
optical polymer
embossed optical
embossed
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 - Lifetime
Application number
DE69933735T
Other languages
English (en)
Other versions
DE69933735T2 (de
Inventor
Michael J Ulsh
Mark A Strobel
David F Serino
Janet T Keller
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 Innovative Properties Co
Original Assignee
3M Innovative Properties 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 3M Innovative Properties Co filed Critical 3M Innovative Properties Co
Publication of DE69933735D1 publication Critical patent/DE69933735D1/de
Application granted granted Critical
Publication of DE69933735T2 publication Critical patent/DE69933735T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/045—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using gas or flames
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2011/00—Optical elements, e.g. lenses, prisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00—Other particular articles
    • B29L2031/722—Decorative or ornamental articles
DE69933735T 1998-07-31 1999-07-30 Herstellung von geprägten optischen Polymerfilmen Expired - Lifetime DE69933735T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US127065 1998-07-31
US09/127,065 US6096247A (en) 1998-07-31 1998-07-31 Embossed optical polymer films

Publications (2)

Publication Number Publication Date
DE69933735D1 true DE69933735D1 (de) 2006-12-07
DE69933735T2 DE69933735T2 (de) 2007-09-13

Family

ID=22428149

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69933735T Expired - Lifetime DE69933735T2 (de) 1998-07-31 1999-07-30 Herstellung von geprägten optischen Polymerfilmen

Country Status (4)

Country Link
US (1) US6096247A (de)
EP (1) EP0976529B1 (de)
JP (2) JP2000052421A (de)
DE (1) DE69933735T2 (de)

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6498683B2 (en) 1999-11-22 2002-12-24 3M Innovative Properties Company Multilayer optical bodies
WO1995017303A1 (en) 1993-12-21 1995-06-29 Minnesota Mining And Manufacturing Company Multilayered optical film
EP0832392B1 (de) * 1995-06-26 2003-08-13 Minnesota Mining And Manufacturing Company Hintergrundbeleuchtungsvorrichtung mit mehrschichtfilmreflektor
JP2001518404A (ja) 1997-10-01 2001-10-16 ミネソタ マイニング アンド マニュファクチャリング カンパニー エンボス加工された延伸ポリマーフィルム
US7023602B2 (en) * 1999-05-17 2006-04-04 3M Innovative Properties Company Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter and color separation and recombination prisms
US6486997B1 (en) 1997-10-28 2002-11-26 3M Innovative Properties Company Reflective LCD projection system using wide-angle Cartesian polarizing beam splitter
US6788463B2 (en) * 1998-01-13 2004-09-07 3M Innovative Properties Company Post-formable multilayer optical films and methods of forming
US6926952B1 (en) * 1998-01-13 2005-08-09 3M Innovative Properties Company Anti-reflective polymer constructions and method for producing same
US6517995B1 (en) * 1999-09-14 2003-02-11 Massachusetts Institute Of Technology Fabrication of finely featured devices by liquid embossing
CA2384709A1 (en) * 1999-10-04 2001-04-12 3M Innovative Properties Company Improved continuous process for making glittering cube corner sheeting
AU2000251654A1 (en) * 2000-01-21 2001-07-31 3M Innovative Properties Company Retroreflective confetti
US7066234B2 (en) 2001-04-25 2006-06-27 Alcove Surfaces Gmbh Stamping tool, casting mold and methods for structuring a surface of a work piece
KR100765304B1 (ko) * 2001-02-21 2007-10-09 삼성전자주식회사 백라이트 어셈블리 및 이를 갖는 액정 표시 장치
GB0123813D0 (en) * 2001-10-03 2001-11-21 3M Innovative Properties Co Light-guide lights suitable for use in illuminated displays
US6936181B2 (en) * 2001-10-11 2005-08-30 Kovio, Inc. Methods for patterning using liquid embossing
JP2003147092A (ja) * 2001-11-16 2003-05-21 Fuji Photo Film Co Ltd フィルムロール及びフィルム巻取方法
US20030108710A1 (en) * 2001-12-07 2003-06-12 General Electric Company Articles bearing patterned microstructures and method of making
US6991695B2 (en) * 2002-05-21 2006-01-31 3M Innovative Properties Company Method for subdividing multilayer optical film cleanly and rapidly
US7095009B2 (en) * 2002-05-21 2006-08-22 3M Innovative Properties Company Photopic detector system and filter therefor
US7396493B2 (en) * 2002-05-21 2008-07-08 3M Innovative Properties Company Multilayer optical film with melt zone to control delamination
US20030232210A1 (en) * 2002-06-18 2003-12-18 3M Innovative Properties Company Ink-receptive foam article
US20040005445A1 (en) * 2002-07-02 2004-01-08 Ou Yang David T. Colored multi-layer films and decorative articles made therefrom
EP1539449A4 (de) * 2002-08-02 2007-10-17 Avery Dennison Corp Verfahren und vorrichtung zur mikroreplikation
US6957608B1 (en) 2002-08-02 2005-10-25 Kovio, Inc. Contact print methods
US7037100B2 (en) 2002-10-09 2006-05-02 3M Innovative Properties Company Apparatus for flame-perforating films and methods of flame-perforating films
JP2006513450A (ja) * 2003-01-06 2006-04-20 コーニンクレッカ　フィリップス　エレクトロニクス　エヌ　ヴィ エンボス加工された配向光学フィルム
US20060056031A1 (en) * 2004-09-10 2006-03-16 Capaldo Kevin P Brightness enhancement film, and methods of making and using the same
US7655296B2 (en) 2003-04-10 2010-02-02 3M Innovative Properties Company Ink-receptive foam article
US7820282B2 (en) * 2003-04-10 2010-10-26 3M Innovative Properties Company Foam security substrate
JP4325753B2 (ja) * 2003-06-09 2009-09-02 三菱樹脂株式会社 反射フィルム及び液晶表示装置
US7883769B2 (en) * 2003-06-18 2011-02-08 3M Innovative Properties Company Integrally foamed microstructured article
US20050058782A1 (en) * 2003-09-11 2005-03-17 Ou-Yang David T. Decorative article and methods of making the same
US7387714B2 (en) * 2003-11-06 2008-06-17 3M Innovative Properties Company Electrochemical sensor strip
US7294246B2 (en) * 2003-11-06 2007-11-13 3M Innovative Properties Company Electrode for electrochemical sensors
US7419573B2 (en) * 2003-11-06 2008-09-02 3M Innovative Properties Company Circuit for electrochemical sensor strip
JP2005313450A (ja) * 2004-04-28 2005-11-10 Mitsubishi Polyester Film Copp 反射防止フィルム
KR101043674B1 (ko) * 2004-05-11 2011-06-23 엘지디스플레이 주식회사 스크라이빙 장치 및 방법
US7997771B2 (en) * 2004-06-01 2011-08-16 3M Innovative Properties Company LED array systems
US20050275132A1 (en) * 2004-06-15 2005-12-15 Eastman Kodak Company Belt over compliant roller used with molding roller
US7341784B2 (en) * 2004-09-10 2008-03-11 General Electric Company Light management film and its preparation and use
US7160583B2 (en) * 2004-12-03 2007-01-09 3M Innovative Properties Company Microfabrication using patterned topography and self-assembled monolayers
US20060138702A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making uniaxially oriented articles having structured surfaces
US20060138705A1 (en) * 2004-12-23 2006-06-29 Korba Gary A Method of making a structured surface article
US20060138694A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Method of making a polymeric film having structured surfaces via replication
US20060141219A1 (en) * 2004-12-23 2006-06-29 Benson Olester Jr Roll of a uniaxially oriented article having a structured surface
US20060141220A1 (en) * 2004-12-23 2006-06-29 Merrill William W Uniaxially oriented article having a structured surface
US20060138686A1 (en) * 2004-12-23 2006-06-29 Ouderkirk Andrew J Method of making a uniaxially stretched polymeric film having structured surface
US20060204720A1 (en) * 2004-12-23 2006-09-14 Biernath Rolf W Uniaxially oriented birefringent article having a structured surface
US20060141218A1 (en) * 2004-12-23 2006-06-29 Biernath Rolf W Uniaxially oriented articles having structured surface
US20060170808A1 (en) * 2005-02-02 2006-08-03 Biernath Rolf W Article having a birefringent surface for use as a blur filter
US20060170797A1 (en) * 2005-02-02 2006-08-03 Biernath Rolf W Article having a birefringent surface for use as a blur filter
JP4655663B2 (ja) * 2005-02-21 2011-03-23 コニカミノルタオプト株式会社 塗布層を有するロール状フィルムの製造方法、ロール状光学フィルム、偏光板、液晶表示装置
JP2008537797A (ja) * 2005-04-06 2008-09-25 スリーエム イノベイティブ プロパティズ カンパニー 特定の機能層を有する光学フィルムを備えた光学体
US20060282399A1 (en) * 2005-05-09 2006-12-14 Richard Ackermann Digital sound recording personalized at a time and place remote from initial delivery to a retail customer
US7418202B2 (en) * 2005-08-04 2008-08-26 3M Innovative Properties Company Article having a birefringent surface and microstructured features having a variable pitch or angles for use as a blur filter
US20070065636A1 (en) * 2005-08-04 2007-03-22 Merrill William W Article having a birefringent surface and microstructured features having a variable pitch or angles and process for making the article
US7871670B2 (en) * 2005-08-10 2011-01-18 3M Innovative Properties Company Microfabrication using replicated patterned topography and self-assembled monolayers
US20070037960A1 (en) * 2005-08-15 2007-02-15 General Electric Company Copolyester stilbene embossed film and methods of making the same
US7815355B2 (en) * 2005-08-27 2010-10-19 3M Innovative Properties Company Direct-lit backlight having light recycling cavity with concave transflector
EP1929361A4 (de) * 2005-08-27 2009-10-21 3M Innovative Properties Co Beleuchtungsbaugruppe und system
US20070047228A1 (en) * 2005-08-27 2007-03-01 3M Innovative Properties Company Methods of forming direct-lit backlights having light recycling cavity with concave transflector
US7537374B2 (en) * 2005-08-27 2009-05-26 3M Innovative Properties Company Edge-lit backlight having light recycling cavity with concave transflector
US7687012B2 (en) * 2005-08-30 2010-03-30 Kimberly-Clark Worldwide, Inc. Method and apparatus to shape a composite structure without contact
US7682554B2 (en) * 2005-08-30 2010-03-23 Kimberly-Clark Worldwide, Inc. Method and apparatus to mechanically shape a composite structure
US20070236628A1 (en) * 2006-03-31 2007-10-11 3M Innovative Properties Company Illumination Light Unit and Optical System Using Same
US20070240585A1 (en) * 2006-04-13 2007-10-18 Nitin Vaish Embossing system, methods of use, and articles produced therefrom
US20070240813A1 (en) * 2006-04-17 2007-10-18 Yu Hu Process for forming a multilayer film and the film formed therefrom
US20070281129A1 (en) * 2006-06-06 2007-12-06 Chi Kwong Chan Diffuser films and methods for making and using the same
US9134471B2 (en) 2006-06-28 2015-09-15 3M Innovative Properties Company Oriented polymeric articles and method
US20080001316A1 (en) * 2006-06-29 2008-01-03 Sanjog Shyam Jain Apparatus and Method for Producing Embossed Film
US7842374B2 (en) * 2006-07-28 2010-11-30 3M Innovative Properties Company Retroreflective article comprising a copolyester ether composition layer and method of making same
US7481563B2 (en) * 2006-09-21 2009-01-27 3M Innovative Properties Company LED backlight
US20080271739A1 (en) 2007-05-03 2008-11-06 3M Innovative Properties Company Maintenance-free respirator that has concave portions on opposing sides of mask top section
US9770611B2 (en) 2007-05-03 2017-09-26 3M Innovative Properties Company Maintenance-free anti-fog respirator
US7991257B1 (en) 2007-05-16 2011-08-02 Fusion Optix, Inc. Method of manufacturing an optical composite
US7891636B2 (en) * 2007-08-27 2011-02-22 3M Innovative Properties Company Silicone mold and use thereof
US20100326295A1 (en) * 2008-03-01 2010-12-30 Champion David A Imparting Pattern into Material Using Embossing Roller
JP2010019898A (ja) * 2008-07-08 2010-01-28 Teijin Chem Ltd ポリエチレン−２，６−ナフタレートから形成されたレンズフィルムおよびその製造方法
US8145457B2 (en) * 2008-09-22 2012-03-27 Massachusetts Institute Of Technology Method and apparatus for modeling deformation of a deformable body embossed with a stamp
EP2373725A4 (de) 2008-12-22 2017-07-26 3M Innovative Properties Company Mehrschichtige optische folien mit nebeneinander angeordneten spiegel-/polarisatorzonen
US20100252961A1 (en) * 2009-04-06 2010-10-07 3M Innovative Properties Company Optical film replication on low thermal diffusivity tooling with conformal coating
JP5402464B2 (ja) * 2009-09-25 2014-01-29 デクセリアルズ株式会社 光学シートの製造装置及びその製造方法
US8585954B2 (en) * 2009-11-10 2013-11-19 Massachusetts Institute Of Technology Method and apparatus for embossing a deformable body
JP2013539543A (ja) 2010-06-30 2013-10-24 スリーエム イノベイティブ プロパティズ カンパニー 空間選択的な複屈折低減を有するフィルムを使用するマスク加工
US9939560B2 (en) 2010-06-30 2018-04-10 3M Innovative Properties Company Diffuse reflective optical films with spatially selective birefringence reduction
EP2588901A1 (de) 2010-06-30 2013-05-08 3M Innovative Properties Company Retarderfolienkombinationen mit räumlich selektiver doppelbrechungsverringerung
US20120135191A1 (en) * 2010-11-30 2012-05-31 Lora Lee Spangler Systems, Methods and Apparatuses for Direct Embossment of a Polymer Melt Sheet
TWI426992B (zh) * 2010-12-08 2014-02-21 Ind Tech Res Inst 塑膠膜片之雙表面微結構成型機構及方法
EP2500009A1 (de) 2011-03-17 2012-09-19 3M Innovative Properties Company Zahnkeramikartikel, Verfahren zu dessen Herstellung und Verwendung
RU2477685C1 (ru) * 2011-07-28 2013-03-20 Открытое акционерное общество "Научно-производственная корпорация "Иркут" (ОАО "Корпорация "Иркут") Способ изготовления деталей остекления
KR102295559B1 (ko) 2013-07-15 2021-08-30 쓰리엠 이노베이티브 프로퍼티즈 캄파니 광학적 활성 호기 밸브를 갖는 호흡기
US9864120B2 (en) 2013-09-05 2018-01-09 3M Innovative Properties Company Patterned marking of multilayer optical film by thermal conduction
GB201508114D0 (en) 2015-05-12 2015-06-24 3M Innovative Properties Co Respirator tab
WO2017007607A1 (en) 2015-07-08 2017-01-12 3M Innovative Properties Company Photochromic articles containing a polyoxometalate and methods of making and using same
US11054558B2 (en) 2016-12-02 2021-07-06 3M Innovative Properties Company Photochromic articles containing a porous material with a photochromic dye and fluid, methods of making and using
JP7186213B2 (ja) 2017-07-14 2022-12-08 スリーエム イノベイティブ プロパティズ カンパニー 複数の液体ストリームを搬送するためのアダプタ

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2928124A (en) * 1956-11-01 1960-03-15 Us Rubber Co Embossing method and apparatus
US3950480A (en) * 1973-01-12 1976-04-13 Ethyl Corporation Method for embossing plastic material
JPS5232980A (en) * 1975-09-09 1977-03-12 Toray Ind Inc Embossed film
DE2806402C3 (de) * 1978-02-15 1980-11-27 Unilever N.V., Rotterdam (Niederlande) Verfahren und Vorrichtung zur Herstellung einer feuchtigkeitsdurchlässigen Folie aus thermoplastischem Kunststoff
US4211743A (en) * 1978-05-24 1980-07-08 Nauta Roll Corporation Apparatus and method for embossing web material
JPS5686721A (en) * 1979-12-17 1981-07-14 Toppan Printing Co Ltd Preparation of information recording disk
US4601861A (en) * 1982-09-30 1986-07-22 Amerace Corporation Methods and apparatus for embossing a precision optical pattern in a resinous sheet or laminate
JPS63205214A (ja) * 1987-02-20 1988-08-24 Hayashi Terenpu Kk ２本の絞ロ−ルを使用した塩化ビニルシ−トの両面絞付方法
US5693285A (en) * 1992-12-02 1997-12-02 Chisso Corporation Process for producing molded product
US5614286A (en) * 1993-10-20 1997-03-25 Minnesota Mining And Manufacturing Company Conformable cube corner retroreflective sheeting
KR100468560B1 (ko) * 1995-06-26 2005-08-04 미네소타 마이닝 앤드 매뉴팩춰링 캄파니 추가의코팅또는층을갖는다층중합체필름
CA2198971A1 (en) * 1996-03-06 1997-09-06 Idemitsu Petrochemical Company Limited A method for manufacturing thermo-plastic sheets bearing embossed patterns thereon and an apparatus therefor
US5753754A (en) * 1996-04-25 1998-05-19 Minnesota Mining & Manufacturing Company Flame-treating process
US5770124A (en) * 1996-04-30 1998-06-23 Minnesota Mining And Manufacturing Company Method of making glittering cube-corner retroreflective sheeting
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
US5900317A (en) * 1996-09-13 1999-05-04 Minnesota Mining & Manufacturing Company Flame-treating process
JP2001518404A (ja) * 1997-10-01 2001-10-16 ミネソタ マイニング アンド マニュファクチャリング カンパニー エンボス加工された延伸ポリマーフィルム

Also Published As

Publication number Publication date
JP2010201936A (ja) 2010-09-16
EP0976529A1 (de) 2000-02-02
EP0976529B1 (de) 2006-10-25
DE69933735T2 (de) 2007-09-13
JP2000052421A (ja) 2000-02-22
US6096247A (en) 2000-08-01

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