WO2012044077A2 - 노광 시스템 - Google Patents
노광 시스템 Download PDFInfo
- Publication number
- WO2012044077A2 WO2012044077A2 PCT/KR2011/007166 KR2011007166W WO2012044077A2 WO 2012044077 A2 WO2012044077 A2 WO 2012044077A2 KR 2011007166 W KR2011007166 W KR 2011007166W WO 2012044077 A2 WO2012044077 A2 WO 2012044077A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- film
- light
- exposure system
- mask
- pattern forming
- Prior art date
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Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B1/00—Film strip handling
- G03B1/42—Guiding, framing, or constraining film in desired position relative to lens system
- G03B1/46—Rollers engaging face of film, e.g. barrel, waisted, conical
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/02—Exposure apparatus for contact printing
- G03B27/04—Copying apparatus without a relative movement between the original and the light source during exposure, e.g. printing frame or printing box
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
- G03F7/24—Curved surfaces
Definitions
- the present invention relates to an exposure system for continuously forming a polarization pattern.
- the exposure system continuously unwinds the film rolled on the roll, and irradiates light on the unwinded portion after coating and drying to form a polarization pattern. As the exposure system releases and moves the film, meandering and shaking of the film occur, which causes irregularities in the polarization pattern formed on the film.
- the exposure amount which passes through the mask and reaches the exposure area is considered to be a non-uniform factor causing irregular polarization patterns, and the exposure area must be flat.
- a film conveying part which is adhered to the surface of the film and is bent while being curved at a curvature of a circle, an ellipse or a part thereof; And a pattern forming unit configured to transfer the light emitted from the light emitting unit to the closely contacted film to form a polarization pattern on the film.
- the light emitted from the light emitting unit is polarized light or non-polarized light exposure system.
- the film transfer unit is a plurality of circular rollers disposed adjacent to or spaced apart by a trajectory having a curvature of a circle, an ellipse or a part thereof.
- the pattern forming unit includes a mask and a polarizer bent at the same curvature as the curvature.
- the pattern forming unit further comprises an internal pressure adjusting chamber for causing the mask or the mask and the polarizer to bend to the curvature.
- the opposite side facing one side is connected to the fixing portion of the pattern forming portion, two pairs of two sides facing each other except these two sides Is not fixed to the fixed part.
- the first reflector for reflecting the light output from the light emitting unit;
- a condenser that collects and transmits the light reflected by the first reflector;
- a second reflecting portion for reflecting light transmitted from the light collector to the pattern forming portion.
- the exposure system of the present invention can minimize the shaking and meandering of the film during continuous polarization pattern formation by allowing the film to be conveyed to be brought in close contact with the film conveying portion.
- the curvature of the pattern forming portion and the film conveying portion are matched to make the distance therebetween so that the light is uniformly incident on the contact surface of the film, thereby enabling uniform exposure and pattern formation.
- the exposure system of the present invention bends and transfers the film in close contact with the curvature of a circle, an ellipse or a part thereof, so that the exposure and pattern of a wider area per unit time can be achieved, for example, when the film is transferred to a roll arranged in a straight line. Formation is possible.
- the exposure system of the present invention can minimize the loss of light caused by the reflection and scattering of light incident on the surface when the surface of the film transfer part is antireflected and scattered, and the intended intensity and amount of light can be applied on the adhered film. It is possible to form a uniform and accurate polarization pattern.
- the film conveying part of the system of the present invention comprises a cylindrical roller; Elliptical roller; A plurality of circular rollers can be easily implemented as a large roller configured to be spaced apart or adjacent to the trajectory having a curvature of a circle, an ellipse or a part thereof.
- the support roll may be added to the lower portion of the plurality of circular rollers in a double or multiple shape to operate the system more stably.
- FIG 1 shows an example of an exposure system of the present invention.
- FIG. 3 shows an example of the pattern forming portion of the present invention.
- the present invention is a light emitting unit; A film conveying part which is adhered to the surface of the film and is bent while being curved at a curvature of a circle, an ellipse or a part thereof; And a pattern forming unit which transmits the light emitted from the light emitting unit to the film to be in close contact with each other to form a polarization pattern on the film, thereby forming a polarization pattern while continuously unwinding the film wound on the roll.
- the present invention relates to an exposure system capable of minimizing meandering and enabling uniform exposure to a wider area, thereby contributing to quality improvement such as pattern retarder and increased production efficiency.
- the exposure system of the present invention can be configured, for example, as in FIG.
- the exposure system of FIG. 1 is a system for forming a polarization pattern by irradiating light to the polarizing film F for 3D displays.
- the lamp 110, the reflector-1 (120), the light collector 130, the reflector-2 (140), the pattern forming unit 150, and the film conveying unit 160 are performed. It is provided.
- the lamp 110 generates light and outputs the light to the reflector-1 120.
- the reflector-1 120 reflects the light output from the lamp 110 toward the light collector 130.
- the light collector 130 collects the light reflected from the reflector-1 120 and transmits the light reflected to the reflector-2140.
- the reflector-2 140 reflects the light received from the light collector 130 to the pattern forming unit 150.
- the pattern forming unit 150 receives light irradiated from the lamp 110 by an optical system including the reflector-1 120, the light collector 130, and the reflector-2140.
- the film transfer part 160 is a means for moving the film F in close contact with the arrow direction shown in FIG. 1 through a rotational motion.
- the film F moves in close contact with the curved surface of the film transfer unit 160 to prevent shaking and meandering generated during the transfer process.
- the curved surface of the film conveying unit 160 corresponds to the close contact surface where the film F is in close contact, and the film F is in close contact with the surface of the film conveying unit 160 and is bent at the curvature of the ellipse or a part thereof.
- An adhesive layer or an anti-slip layer may be formed on the surface of the film conveying part if necessary to convey the film in close contact. If sufficient tension is applied to the film to be transported, a separate layer for adhesion may not be formed.
- the film conveying unit 160 is shown as an oval roller in FIG. 1A and a cylindrical roller in FIG. 1B, but is not particularly limited as long as the film is in close contact with the surface thereof so that the film can be bent in a curvature of a circle, an ellipse or a part thereof. .
- the elliptical roller of Figure 1a is implemented by a cylindrical roller and the belt can be implemented in a variety of ways, for example, as shown in FIG.
- FIG. 2 (a) an endless track type formed by connecting two circular rollers with a belt is possible, and as shown in FIG. 2 (b), a plurality of circular rollers are spaced apart by a trajectory having an ellipse or a portion thereof. It is also possible to make it so that it may be comprised, and as shown in FIG.2 (c), it is also possible to arrange
- the pattern forming unit 150 may include a film in which light emitted from the lamp 110 received through the reflector-1 120, the condenser 130, and the reflector-2140 is in close contact with the curved surface of the film transfer unit 160 ( F) to pass. As a result, a polarization pattern is formed on a part of the film F in close contact with the curved surface of the film transfer part 160.
- the pattern forming unit may transmit light emitted from the lamp 110 toward the rotation axis of the cylindrical roller. In this case, the light may be uniformly incident on the portion of the film F that is in close contact with the curved surface of the film transfer part 160.
- Light transmitted from the pattern forming unit 150 to the film F in close contact with the film transfer unit 160 may be directed toward the center of the elliptical roller of the film transfer unit 160. In this case, the light may be uniformly incident on the portion of the film F that is in close contact with the curved surface of the film transfer part 160.
- the curved surface of the film transfer unit 160 may be anti-reflective and scattering-free treatment. As a result, the incident light is not reflected or scattered on the curved surface of the film transfer part 160, and thus a polarization pattern is uniformly formed on the portion of the film F that is in close contact with the curved surface of the film transfer part 160.
- the detailed structure of the pattern forming unit 150 is, for example, as shown in FIG. 3.
- the pattern forming unit 150 may include a chamber 151, a polarizer 153, a polarizer fixing part 155, a mask fixing part 157, and a mask 159.
- the polarizer 153 may be composed of COP (cycloolefin polymer) / polarizer PVA (polyvinyl alcohol) / COP. At this time, the PVA to be used may be a iodine stained, or may be used for other polarization means.
- the polarizer fixing part 155 fixes both ends of the polarizer 153 to the pattern forming part 150.
- the mask 159 may be implemented with a film or quartz glass material capable of forming a polarization pattern.
- the mask fixing part 157 fixes both ends of the mask 159 to the pattern forming part 150.
- the mask 159 has a quadrangular shape having four sides, and a side facing the one side is fixedly connected to the mask fixing part 157, and another pair of two facing each other except these two sides is provided. The sides are not fixed to the mask fixing part 157.
- the chamber 151 is a means for adjusting the internal air pressure so that the distance between the curved surface of the polarizing plate 153 and the mask 159 and the curved surface of the film transfer unit 160 is constant.
- the internal air pressure of the chamber 151 is lowered to reduce the radius of curvature of the polarizing plate 153 and the mask 159 so that the distance between the curved surface of the polarizing plate 153 and the mask 159 and the curved surface of the film transfer unit 160 is constant.
- the adjusted result is shown in FIG. 3B.
- the distance between the curved surface of the polarizing plate 153 and the mask 159 and the curved surface of the film transfer unit 160 is preferably maintained to be constant. This is to allow light to be uniformly incident on the portion of the film F that is in close contact with the curved surface of the film transfer part 160.
- the curved surface of the polarizing plate 153 and the mask 159 is adjusted using the chamber 151 whose internal air pressure is adjustable, this is also merely an example for description of the invention, and thus, other than the chamber 151. It is also possible to implement to adjust the curved surface of the polarizing plate 153 and the mask 159 using other means. For example, it is possible to control the means for applying external pressure to both ends of the polarizing plate 153 and the mask 159 to adjust the curved surfaces of the polarizing plate 153 and the mask 159.
- the curved surfaces of the polarizer 153 and the mask 159 are variable, but this is also merely an example for convenience of description. Therefore, the curved surfaces of the polarizing plate 153 and the mask 159 may be maintained in a fixed state. In this case, the means for adjusting the curved surfaces of the polarizing plate 153 and the mask 159, such as the chamber 151, may be used. This is not necessary.
- the film F is assumed to be the elliptical roller film transfer unit 160, but the elliptical roller is only an example of the means for moving to the curvature of the ellipse or a portion thereof in close contact with the film (F). It is possible to replace this with various means including the examples of FIG. 2.
- the polarizing plate 153 and the mask 159 are stacked in the order of the polarizing plate 153 and the mask 159 with respect to the surface of the film transfer part 160, but they are spaced apart within an appropriate range or the stacking order thereof. You can perform the same function even if you change.
- the polarizer 153 and the mask 159 are sequentially stacked, but the polarizer may also be lost when the light emitted from the light source is polarized light.
- only the polarizer of the polarizing plate 153 may be used.
- the curved surface of the portion including the mask 159 is adjusted using the chamber 151, but this is merely an example of a means for adjusting the curved surface, and thus maintains the curved surface while adjusting the curved surface of the mask. As long as the means capable of applying an external force that can be made, any one may replace the chamber 151.
- the radius of curvature of the mask can be implemented to be adjusted by a fixing device that can adjust the distance between two sides of the mask fixed to the pattern forming portion.
- the exposure system assumed in the above embodiment is a system for forming a polarization pattern on the polarizing film for 3D display.
- the technical idea of the present invention is also applicable to the case of forming a pattern on a film other than the polarizing film for 3D display.
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Polarising Elements (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
- Exposure And Positioning Against Photoresist Photosensitive Materials (AREA)
- Optical Elements Other Than Lenses (AREA)
Abstract
Description
Claims (17)
- 발광부;필름이 그 표면에 밀착되어 원, 타원 또는 그 일부의 곡률로 휘어진 채 이송되는 필름 이송부; 및상기 발광부에서 출사된 광을 밀착된 상기 필름으로 전달하여 상기 필름에 편광 패턴을 형성하는 패턴 형성부를 포함하는 노광 시스템.
- 청구항 1에 있어서, 상기 발광부에서 출사되는 광은 편광광 또는 비편광광인 노광 시스템.
- 청구항 1에 있어서, 상기 필름 이송부는 원통형 또는 타원형 롤러인 노광 시스템.
- 청구항 1에 있어서, 상기 필름 이송부는 원, 타원 또는 그 일부의 곡률을 갖는 궤적으로 인접 또는 이격 배치된 복수 개의 원형 롤러인 노광 시스템.
- 청구항 4에 있어서, 상기 복수 개의 원형 롤러의 하부에는 복수 개의 지지 롤러가 추가로 포함되는 노광 시스템.
- 청구항 1에 있어서, 상기 패턴 형성부는 상기 곡률과 동일 곡률로 휘어진 마스크를 포함하는 노광 시스템.
- 청구항 1에 있어서, 상기 패턴 형성부는 상기 곡률과 동일 곡률로 휘어진 마스크 및 편광자를 포함하는 노광 시스템.
- 청구항 3에 있어서, 상기 패턴 형성부는 상기 발광부에서 출사되는 광을 상기 롤러의 회전축을 향해 전달하는 것인 노광 시스템.
- 청구항 1에 있어서, 상기 패턴 형성부는 상기 발광부에서 출사되는 광을 밀착된 상기 필름에 균일하게 전달하는 노광 시스템.
- 청구항 6 또는 7에 있어서, 상기 패턴 형성부는 상기 마스크 또는 상기 마스크 및 편광자가 상기 곡률로 휘어지도록 하는 내부 기압 조절용 챔버를 추가로 포함하는 노광 시스템.
- 청구항 1에 있어서, 상기 필름 이송부의 표면에는 점착층 또는 미끄럼 방지층이 형성된 노광 시스템.
- 청구항 6 또는 7에 있어서, 상기 마스크에서 상기 필름 이송부까지의 거리가 일정한 노광 시스템.
- 청구항 6 또는 7에 있어서, 상기 마스크는 네 변을 가지는 사각면 형태이며, 일변과 마주보는 대변은 상기 패턴 형성부의 고정부에 연결되며, 이들 두 변을 제외한 서로 마주보는 한 쌍의 두 변은 상기 고정부에 고정되지 않는 노광 시스템.
- 청구항 13에 있어서, 상기 마스크의 곡률은 상기 마스크의 두 변 간의 거리를 조절할 수 있는 고정 장치에 의해 조절될 수 있는 노광 시스템.
- 청구항 1에 있어서, 상기 필름 이송부의 표면은 무반사 또는 무산란 처리된 노광 시스템.
- 청구항 1에 있어서, 상기 발광부에서 출력되는 광을 반사시키는 제1 반사부; 상기 제1 반사부에서 반사된 광을 집광하여 전달하는 집광기; 및 상기 집광기로부터 전달된 광을 상기 패턴 형성부로 반사시키는 제2 반사부를 추가로 포함하는 노광 시스템.
- 청구항 1에 있어서, 상기 패턴 형성부는 상기 발광부에서 출사된 광을 직접 입력 받아 상기 필름 이송부에 밀착된 필름에 전달하는 노광 시스템.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180046322.4A CN103119519B (zh) | 2010-09-29 | 2011-09-28 | 曝光系统 |
JP2013524807A JP5695197B2 (ja) | 2010-09-29 | 2011-09-28 | 露光システム |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0094792 | 2010-09-29 | ||
KR1020100094792A KR101063056B1 (ko) | 2010-09-29 | 2010-09-29 | 필름 노광 시스템 및 방법 |
KR1020110083428A KR20130021103A (ko) | 2011-08-22 | 2011-08-22 | 노광 시스템 및 이를 이용한 노광 방법 |
KR10-2011-0083428 | 2011-08-22 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2012044077A2 true WO2012044077A2 (ko) | 2012-04-05 |
WO2012044077A3 WO2012044077A3 (ko) | 2012-06-21 |
Family
ID=45893664
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/KR2011/007166 WO2012044077A2 (ko) | 2010-09-29 | 2011-09-28 | 노광 시스템 |
Country Status (3)
Country | Link |
---|---|
JP (1) | JP5695197B2 (ko) |
CN (1) | CN103119519B (ko) |
WO (1) | WO2012044077A2 (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014524053A (ja) * | 2011-07-21 | 2014-09-18 | エルジー・ケム・リミテッド | マスク及びこれを含む光学フィルタの製造装置 |
EP2940497A4 (en) * | 2012-12-31 | 2016-08-31 | Lg Chemical Ltd | POLARIZING MASK |
CN107255911A (zh) * | 2012-11-06 | 2017-10-17 | 株式会社尼康 | 曝光装置 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101260221B1 (ko) * | 2011-12-01 | 2013-05-06 | 주식회사 엘지화학 | 마스크 |
WO2016002624A1 (ja) * | 2014-06-30 | 2016-01-07 | 住友化学株式会社 | 検出装置、検出方法、処理装置および処理方法 |
JPWO2016002617A1 (ja) * | 2014-06-30 | 2017-04-27 | 住友化学株式会社 | 検出装置、検出方法、処理装置および処理方法 |
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2011
- 2011-09-28 WO PCT/KR2011/007166 patent/WO2012044077A2/ko active Application Filing
- 2011-09-28 CN CN201180046322.4A patent/CN103119519B/zh active Active
- 2011-09-28 JP JP2013524807A patent/JP5695197B2/ja not_active Expired - Fee Related
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JP2007072171A (ja) * | 2005-09-07 | 2007-03-22 | Fujifilm Corp | パターン露光方法及び装置 |
KR100791364B1 (ko) * | 2006-07-25 | 2008-01-07 | 한국과학기술원 | X-선을 이용한 연속적인 패턴을 갖는 롤러의 제작방법 |
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JP2014524053A (ja) * | 2011-07-21 | 2014-09-18 | エルジー・ケム・リミテッド | マスク及びこれを含む光学フィルタの製造装置 |
CN107255911A (zh) * | 2012-11-06 | 2017-10-17 | 株式会社尼康 | 曝光装置 |
CN107255911B (zh) * | 2012-11-06 | 2019-07-09 | 株式会社尼康 | 曝光装置 |
EP2940497A4 (en) * | 2012-12-31 | 2016-08-31 | Lg Chemical Ltd | POLARIZING MASK |
US9846312B2 (en) | 2012-12-31 | 2017-12-19 | Lg Chem, Ltd. | Polarizing mask and manufacturing method utilizing the polarizing mask |
Also Published As
Publication number | Publication date |
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JP2013543595A (ja) | 2013-12-05 |
WO2012044077A3 (ko) | 2012-06-21 |
CN103119519B (zh) | 2016-02-17 |
JP5695197B2 (ja) | 2015-04-01 |
CN103119519A (zh) | 2013-05-22 |
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