JP2004171025A - 複屈折干渉偏光子 - Google Patents
複屈折干渉偏光子 Download PDFInfo
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- JP2004171025A JP2004171025A JP2004035867A JP2004035867A JP2004171025A JP 2004171025 A JP2004171025 A JP 2004171025A JP 2004035867 A JP2004035867 A JP 2004035867A JP 2004035867 A JP2004035867 A JP 2004035867A JP 2004171025 A JP2004171025 A JP 2004171025A
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
- B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/02—Physical, chemical or physicochemical properties
- B32B7/023—Optical properties
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- 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
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
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- 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
- G02B1/08—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of polarising materials
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0816—Multilayer mirrors, i.e. having two or more reflecting layers
- G02B5/0825—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only
- G02B5/0841—Multilayer mirrors, i.e. having two or more reflecting layers the reflecting layers comprising dielectric materials only comprising organic materials, e.g. polymers
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/08—Mirrors
- G02B5/0883—Mirrors with a refractive index gradient
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/20—Filters
- G02B5/26—Reflecting filters
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/30—Polarising elements
- G02B5/3025—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state
- G02B5/3033—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid
- G02B5/3041—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks
- G02B5/305—Polarisers, i.e. arrangements capable of producing a definite output polarisation state from an unpolarised input state in the form of a thin sheet or foil, e.g. Polaroid comprising multiple thin layers, e.g. multilayer stacks including organic materials, e.g. polymeric layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/40—Properties of the layers or laminate having particular optical properties
- B32B2307/418—Refractive
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
- B32B2307/514—Oriented
- B32B2307/516—Oriented mono-axially
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2369/00—Polycarbonates
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
- G02F1/133545—Dielectric stack polarisers
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- 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
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- Optics & Photonics (AREA)
- Polarising Elements (AREA)
- Laminated Bodies (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
【構成】 偏光子は、第1平面に垂直な第2平面内の第1および第2高分子物質間の屈折率不整合とは異なる第1平面内の第1および第2高分子物質間の屈折率不整合を生じるように、十分に相違するそれぞれゼロでない応力光学係数を有する少なくとも第1および第2高分子物質の多重交互配向層を含んでいる。第1平面内の屈折率不整合は少なくとも0.03であるのが望ましい。
【選択図】 なし
Description
。しかし、Rogersらの装置には高複屈折性ポリマー類の分子構造および電子密度分布との間に或る数学的関係を有する特定の高複屈折性ポリマーの使用が必要とされる。
、光をほとんど吸収しない複屈折干渉偏光子に対する要望は依然として存在する
。さらに、技術的に、必要に応じて特定の波長の光を偏光させるように加工が可能な複屈折偏光子に対する要望もある。
び偏波(polarization)という意味は、光線の横振動が別の平面では別の形をとる光の状態を指す。本明細書で用いる偏光は直交平面内の光の不等反射を含み、かつ光のだ円偏光および円偏光のみならず平面偏光をも包含する。「光」という語は可視スペクトルの光だけでなく紫外線および赤外線をも意味する。本明細書で、高分子物質の配向面を論じる場合には、物質の偏光効果を規定するx方向および/またはy方向の一軸またはニ軸延伸による高分子物質の配向方向を指すつもりである。他の関係では、光が高分子物質の層には入るか又は該層と衝突する面という意味は、特に断らなければ、層(すなわちz方向)の主面に垂直な面のことである。
間の屈折率不整合を生ずるように、十分に相違するそれぞれゼロでない応力光学係数を有する少なくとも第1および第2高分子物質の多重交互配向層を含む複屈折干渉偏光子が提供される。
、一方、第2高分子物質は負の応力光学係数を有している。第1平面内の屈折率不整合は好ましくは少なくとも0.3で、もっとも好ましくは0.05以上である。
ゼロでない応力光学係数とは、ポリマーが配向すると、ポリマーの屈折率が正かまたは負のいずれかの方向に変化することを意味する。応力光学係数がゼロの等方性物質は複屈折性を欠いている。
偏波器は、また装置の一平面に入射する実質的にすべての光を反射させ、偏光させ一方前記平面に垂直な平面に入射する実質的にすべての光を透過させるように設計することもできる。
偏光子中の1つ以上の内層に包含させることができる。顔料または染料の使用は
、偏光子による光の中のある波長の選択吸収を可能にする。無顔料または無染料の多層フィルムは入射光中の特定偏光波長を反射させ、入射光の残りを透過させるけれども、顔料および染料は反射偏光のバンド幅および透過光の波長範囲をさらに制御するのに用いることができる。たとえば、複屈折偏光子の裏側に黒色層を同時押出することによってすべての透過光を吸収させることができる。さらに
、選択された波長を吸収させることによって、反射偏光および透過光の波長バンドを狭くするのに染料を使用することができる。
第1平面内の屈折率不整合は好ましくは少なくとも約0.03で、もっとも好ましくは少なくとも0.05以上であり、かつ各層の光学的厚さは0.09マイクロメートルないし0.70マイクロメートルである。1つの態様においては、フィルムの厚さによって層は単調に厚さを増して広範囲の波長を反射させる偏光子を与える。本発明の好ましい形態においては、第1高分子物質は正の応力光学係数を有し、第2高分子物質は負の応力光学係数を有している。
Polymer Engineering and Science 216(1973)を参照されたい。
第1平面、たとえば配向面内に光学干渉、および該平面に垂直な第2平面内にゼロに近い光学干渉を有する偏光子をもたらす。
さらに、偏光子中に用いられる層の屈折率、応力光学係数およびガラス転移温度を調整するためにポリマーの混和可能な配合物を使用することができる。本発明の実施に使用できる他の典型的な熱可塑性樹脂には、これに限定されるものではないが、代表的な屈折率とともに記すと、ペルフルオロアルコキシ樹脂(屈折率=1.35)、ポリテトラフルオロエチレン(1.35)、フッ素化エチレン−プロピレンコポリマー(1.34)、シリコーン樹脂(1.41)、フッ化ポリビニリデン(1.42)、ポリクロロトリフルオロエチレン(1.42)、エポキシ樹脂(1.45)、ポリ(ブチルアクリレート)(1.46)、ポリ(4−メチルペンテン−1)(1.46)、ポリ(酢酸ビニル)(1.47)、エチルセルロース(1.47)、ポリホルムアルデヒド(1.48)、ポリイソブチルメタクリレート(1.48)、ポリメチルアクリレート(1.48)、ポリプロピルメタクリレート(1.48)、ポリエチルメタクリレート(1.48)、ポリエーテルブロックアミド(1.49)、ポリメチルメタクリレート(1.49)、セルロースアセテート(1.49)、セルロースプロピオネート(1.49)、セルロースアセテートブチレート(1.49)、セルロースニトレート(1.49)、ポリビニルブチラール(1.49)、ポリプロピレン(1.49)、ポリブチレン(1.50)、イオノマー樹脂、たとえばサーリン(商標)(1.51)、低密度ポリエチレン(1.51)、ポリアクリロニトリル(1.51)、ポリイソブチレン(1.51)、熱可塑性ポリエステル類たとえばEcde1(商標)(1.52)、天然ゴム(1.52)、ペルブナン(1.52)、ポリブタジエン(1.52)、ナイロン(1.53)、ポリアクリルイミド類(1.53)、ポリ(ビニルクロロアセテート)(1.54)、ポリ塩化ビニル(1.54)、高密度ポリエチレン(1.54)、メチルメタクリレートおよびスチレンのコポリマー(1.54)、アクリロニトリル−ブタジエン−スチレン透明ターポリマー(1.54)、アリルジグリコール樹脂(1.55)、ポリビニリデンクロリドおよびポリビニルクロリドの配合物たとえばサラン樹脂(商標)(1.55)、ポリアルファメチルスチレン(1.56)、スチレン−ブタジエンラテックス、たとえばDow512−K(商標)(1.56)、ポリウレタン(1.56)、ネオプレン(1.56)、スチレンおよびアクリロニトリルのコポリマーたとえばTyril樹脂(商標)(1.57)、スチレンおよびブタジエンのコポリマー(1.57)、他の熱可塑性ポリエステル類たとえばポリエチレンテレフタレートおよびポリエチレンテレフタレートグリコール(1.60)、ポリイミド(1.61)、ポリビニリデンクロリド(1.61)、ポリジクロロスチレン(1.62)、ポリスルホン(1.63)、ポリエーテルスルホン(1.65)、およびポリエーテルイミド(1.66)がある。
、米国特許第3,759,647号に記載されているような一連の層多層化手段を使用することができる。
)に送られる。この区画は当初の流を、最終本体に必要とされる層の数を有する多層流に再配列させるのに役立つ。場合により、この多層流は、最終本体中の層の数をさらに増すために、ことによると次に一連の層多層化手段に通されるかもしれない。
もしくは、ごく狭い波長範囲のみ偏光させ、反射させるが、入射光の残りの部分に対しては透過性を保っているようにフィルムをつくることができる。光源として白光を使用する場合には、本発明の偏光子は、層の光学的厚さによって1つの平面内の特定波長の偏光を反射させるが、残りの光は透過させる。
Calibre 300−15,Dow Chemical Companyの商標)およびポリスチレン(Styron 685D,Dow Chemical Companyの商標)の385交互層(ABABAB)を有していた。
、ポリカーボネートを測定すると約+5,000ブルースターという正の応力光学係数を示し、一方ポリスチレンを測定すると約−5,000ブルースターという負の応力光学係数を示した。後延伸の場合は配向面内の両ポリマーの屈折率不整合が0.03となるよう制御した。
、添付クレームに定められる本発明の範囲から逸脱せずに、本明細書に開示する方法および装置に種々の変更を行いうることは当業者には明らかであろう。
Claims (2)
- 複屈折干渉偏光子に入射する第1偏波の光を実質的に全て反射し、かつ、前記複屈折干渉偏光子に入射する第2偏波の光を実質的に全て透過する複屈折干渉偏光子であって、
前記複屈折干渉偏光子は、厚さ方向に配置されている複数の光学的繰り返し単位を含み、
前記光学的繰り返し単位の各々が少なくとも1つの複屈折性高分子物質を含む高分子物質であり、
前記光学的繰り返し単位の各々は、前記第1偏波の光を反射し、かつ、前記第2偏波の光を透過するような光学的厚さ及び屈折率特性を有していて、
入射光の広範囲の波長を偏光するために、前記光学的繰り返し単位の前記光学的厚さには厚さ勾配が形成されていることを特徴とする複屈折干渉偏光子。 - 請求項1に記載の複屈折干渉偏光子を含む表示器具。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US07/618,191 US5486949A (en) | 1989-06-20 | 1990-11-26 | Birefringent interference polarizer |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29588991A Division JP3704364B2 (ja) | 1990-11-26 | 1991-11-12 | 複屈折干渉偏光子 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005315254A Division JP2006178418A (ja) | 1990-11-26 | 2005-10-28 | 複屈折干渉偏光子 |
JP2005315275A Division JP2006178419A (ja) | 1990-11-26 | 2005-10-28 | 複屈折干渉偏光子 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2004171025A true JP2004171025A (ja) | 2004-06-17 |
JP4037835B2 JP4037835B2 (ja) | 2008-01-23 |
Family
ID=24476698
Family Applications (4)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29588991A Expired - Lifetime JP3704364B2 (ja) | 1990-11-26 | 1991-11-12 | 複屈折干渉偏光子 |
JP2004035867A Expired - Lifetime JP4037835B2 (ja) | 1990-11-26 | 2004-02-13 | 複屈折干渉偏光子 |
JP2005315275A Pending JP2006178419A (ja) | 1990-11-26 | 2005-10-28 | 複屈折干渉偏光子 |
JP2005315254A Pending JP2006178418A (ja) | 1990-11-26 | 2005-10-28 | 複屈折干渉偏光子 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP29588991A Expired - Lifetime JP3704364B2 (ja) | 1990-11-26 | 1991-11-12 | 複屈折干渉偏光子 |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005315275A Pending JP2006178419A (ja) | 1990-11-26 | 2005-10-28 | 複屈折干渉偏光子 |
JP2005315254A Pending JP2006178418A (ja) | 1990-11-26 | 2005-10-28 | 複屈折干渉偏光子 |
Country Status (8)
Country | Link |
---|---|
US (4) | US5486949A (ja) |
EP (1) | EP0488544B1 (ja) |
JP (4) | JP3704364B2 (ja) |
KR (1) | KR920010316A (ja) |
CA (1) | CA2056153A1 (ja) |
DE (1) | DE69128613T2 (ja) |
ES (1) | ES2110981T3 (ja) |
TW (1) | TW210378B (ja) |
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- 1991-11-08 ES ES91310336T patent/ES2110981T3/es not_active Expired - Lifetime
- 1991-11-08 DE DE69128613T patent/DE69128613T2/de not_active Expired - Lifetime
- 1991-11-12 JP JP29588991A patent/JP3704364B2/ja not_active Expired - Lifetime
- 1991-11-25 CA CA002056153A patent/CA2056153A1/en not_active Abandoned
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1995
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1996
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1998
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2004
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Cited By (1)
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JP2015180942A (ja) * | 2010-08-12 | 2015-10-15 | 三井化学株式会社 | プラスチック偏光レンズ、その製造方法および偏光フィルム |
Also Published As
Publication number | Publication date |
---|---|
TW210378B (ja) | 1993-08-01 |
JP2006178419A (ja) | 2006-07-06 |
EP0488544B1 (en) | 1998-01-07 |
JP4037835B2 (ja) | 2008-01-23 |
JP3704364B2 (ja) | 2005-10-12 |
ES2110981T3 (es) | 1998-03-01 |
DE69128613D1 (de) | 1998-02-12 |
DE69128613T2 (de) | 1998-08-13 |
JPH04268505A (ja) | 1992-09-24 |
EP0488544A1 (en) | 1992-06-03 |
CA2056153A1 (en) | 1992-05-27 |
US6583930B1 (en) | 2003-06-24 |
US5486949A (en) | 1996-01-23 |
US5872653A (en) | 1999-02-16 |
US5612820A (en) | 1997-03-18 |
KR920010316A (ko) | 1992-06-26 |
JP2006178418A (ja) | 2006-07-06 |
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