WO2020103717A1 - 拼接式压印模板的制备方法和母模板 - Google Patents
拼接式压印模板的制备方法和母模板Info
- Publication number
- WO2020103717A1 WO2020103717A1 PCT/CN2019/117133 CN2019117133W WO2020103717A1 WO 2020103717 A1 WO2020103717 A1 WO 2020103717A1 CN 2019117133 W CN2019117133 W CN 2019117133W WO 2020103717 A1 WO2020103717 A1 WO 2020103717A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- template
- splicing
- embossed
- glue
- sacrificial layer
- Prior art date
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Classifications
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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
- G03F7/0002—Lithographic processes using patterning methods other than those involving the exposure to radiation, e.g. by stamping
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/38—Moulds or cores; Details thereof or accessories therefor characterised by the material or the manufacturing process
- B29C33/3842—Manufacturing moulds, e.g. shaping the mould surface by machining
- B29C33/3857—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts
- B29C2033/3871—Manufacturing moulds, e.g. shaping the mould surface by machining by making impressions of one or more parts of models, e.g. shaped articles and including possible subsequent assembly of the parts the models being organic material, e.g. living or dead bodies or parts thereof
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/42—Moulds or cores; Details thereof or accessories therefor characterised by the shape of the moulding surface, e.g. ribs or grooves
- B29C33/424—Moulding surfaces provided with means for marking or patterning
- B29C2033/426—Stampers
Definitions
- the present disclosure aims to solve at least one of the technical problems existing in the related art, and proposes a method for preparing a splicing imprint template and a master template.
- an embodiment of the present disclosure provides a method for preparing a spliced imprint template, wherein the spliced imprint template includes: a first splicing area and a second splicing area adjacent to each other, the preparation method
- the method includes: forming a first splicing imprint pattern in the first splicing area on the base substrate; forming a sacrificial layer on a surface of the first splicing imprint pattern facing away from the base substrate, the sacrifice The layer covers at least a part of the area within the first splicing area and close to the second splicing area, and the sacrificial layer, the first splicing imprint pattern and the second splicing imprint pattern to be formed subsequently are configured as: Under a specific film removal process, the sacrificial layer is removed, while the first splicing embossing pattern and the second splicing embossing pattern remain; formed in the second splicing area on the base
- the sacrificial layer covers the entire first splicing area.
- the step of removing the sacrificial layer by the specific film removal process further includes: drying the imprint template.
- the predetermined master template includes: a first embossed structure and a second embossed structure connected to each other;
- the first embossed structure includes: a support layer and an embossed graphic layer, the embossed graphic The layer is located on the first surface of the support layer and protrudes from the first surface;
- the second embossed structure extends from the support layer in a direction parallel to the first surface, and the second pressure
- the imprint structure is located on the side of the plane where the first surface is facing away from the imprint graphic layer, so that there is a distance between the surface of the second imprint structure near the imprint graphic layer and the support surface;
- the step of patterning the second template glue located in the second splicing area using a predetermined master template includes: aligning the predetermined master template with the second template glue, wherein the first An orthographic projection of the imprint structure on the base substrate covers the second splicing area, an orthographic projection of the second imprint structure on the base substrate falls into the sacrificial layer on the base substrate In
- the first imprint structure faces toward the second imprint structure
- the side surface is located on the same plane as the side surface of the first splicing embossed graphic facing the second splicing area.
- the imprint surface of the second imprint structure is flat.
- the first embossing structure and the second embossing structure are integrally formed.
- FIG. 3 is a schematic cross-sectional view of a first splicing embossed pattern formed in a first splicing area in this disclosure
- FIG. 9 is a schematic cross-sectional view of a master template provided by an embodiment of the present disclosure.
- first, second, etc. may be used herein to describe various elements, these elements should not be limited to these terms. These terms are only used to distinguish one element from another. Therefore, without departing from the teachings of the present disclosure, the first element, first component, or first component discussed below may be referred to as the second element, second component, or second component.
- the conventional preparation method can solve the problem of the continuity of the embossed splicing pattern, it can be seen from FIG. 1 that the thickness of the embossed splicing pattern formed later is significantly larger than the thickness of the embossed splicing pattern 1 formed adjacent thereto and formed first.
- the two imprint stitching patterns have a large stitch segment difference H, which will seriously affect the stamping effect of the stamp template.
- the present disclosure provides an imprint template, a preparation method thereof, and a master template.
- Step S101 Form a first splicing imprint pattern 8 in the first splicing area on the base substrate.
- Step S102 Form a sacrificial layer on a surface of the first splicing imprinted pattern facing away from the base substrate.
- FIG. 4 is a schematic cross-sectional view of the present disclosure when a sacrificial layer is formed on a first splicing imprint pattern.
- a sacrificial layer 9 is formed on the first splicing embossed pattern 8, and the sacrificial layer 9 covers at least a portion of the first splicing area and close to the second splicing area (predetermined overflow area 4).
- the predetermined glue overflow area 4 is a side surface of the first splicing imprint pattern 8 facing away from the base substrate 5 and close to the second splicing area 7.
- the sacrificial layer 9 completely covers the side surface of the first splicing embossed pattern 8 facing away from the base substrate 5, and the specific beneficial effects will be described later. It should be noted that FIG. 3 only exemplarily shows a case where the sacrificial layer 9 completely covers the surface of the first splicing imprint pattern 8 facing away from the base substrate 5.
- Step S103 forming a second template glue in the second splicing area on the base substrate.
- Step S104 Pattern the second template glue using a predetermined mother template (second mother template).
- FIG. 6a is a schematic cross-sectional view when patterning the second template glue. As shown in FIG. 6a, the second template glue 10 is imprinted using a predetermined master template 3a to pattern the second template glue 10.
- the overflowed second template glue may exceed the predetermined glue overflow area 4.
- the sacrificial layer is provided only in the predetermined glue overflow area 4, the second template glue overflowing outside the predetermined glue overflow area 4 will directly contact the imprint surface of the first splicing imprint pattern 8.
- the sacrificial layer 9 completely covers the side surface of the first splicing imprint pattern 8 facing away from the base substrate 5, that is, the sacrificial layer 9 covers the entire first splicing area. Therefore, contact between the second template glue 10 and the imprinted surface of the first spliced imprinted pattern 8 during the imprinting process can be completely avoided.
- the present disclosure provides another technical means for patterning the second template glue 10.
- FIG. 6b is another schematic cross-sectional view when patterning the second template glue.
- the predetermined master template 3b includes: a first embossing structure 12 and a second embossing structure 13 connected to each other.
- the specific process of patterning the second template glue 10 using the predetermined master template 3b shown in FIG. 6b is as follows: First, the predetermined master template 3b is directly opposed to the second template glue 10, in which the first imprint structure 12 The orthographic projection on the base substrate 5 covers the second splicing area 7, and the orthographic projection of the second embossing structure 13 on the base substrate 5 falls within the orthographic projection of the sacrificial layer on the base substrate (ie, at least covers the predetermined glue overflow area) 4); Then, the second template glue 10 is embossed with a predetermined master template 3b to pattern the second template glue 10 located in the second splicing area 7. Since the side of the predetermined master template 3b is no longer in contact with the second template glue 10, there is no problem that the predetermined master template 3b is inclined during the imprinting process.
- Step S105 Curing the second template glue and demolding.
- FIG. 8 is a schematic cross-sectional view of a first splicing embossed pattern and a second splicing embossed pattern obtained by removing a sacrificial layer through a specific film removal process.
- the sacrificial layer 9 is removed through a film removal process
- the second stencil 10 on the side of the sacrificial layer 9 facing away from the base substrate 1 will be synchronously peeled off, and the second stencil 10 on the second splicing area 7 Constitute the second splicing embossed pattern 11.
- step S106 in order to ensure that the second stencil 10 on the side of the sacrificial layer 9 facing away from the base substrate 1 can smoothly fall off following the removal of the sacrificial layer 9, after step S104, it should be ensured
- the amount of glue connected between the second stencil 10 on the side of the sacrificial layer 9 facing away from the base substrate 1 and the second stencil 10 on the second splicing area 7 is small (after curing, even if there is A small amount of glue connects the second template glue 10 located in the predetermined overflow area 4 and the second template glue 10 located in the second splicing area 7, but after the sacrificial layer is removed, the small amount of connection glue will break).
- step S104 the amount of glue connecting the second stencil 10 on the side of the sacrificial layer 9 facing away from the base substrate 1 and the second stencil 10 on the second splicing area 7 can be detected If the amount of glue is large, the part of the glue can be removed by a plasma etching process after the end of step S105, so that the second template glue 10 on the side of the sacrificial layer 9 facing away from the base substrate 1 and the second The second stencil glue 10 in the splicing area 7 is separated, so that after the sacrificial layer 9 is removed, the second stencil glue 10 on the side of the sacrificial layer 9 facing away from the base substrate 1 can be smoothly peeled off.
- the material of the sacrificial layer 9 is a degradable material, and in step S106, the sacrificial layer 9 may be degraded by a degradation process.
- the degradable material includes degradable imprinting glue
- the degradable imprinting glue includes ketal or acetal groups. After the degradable imprinting glue is cured, the ketal or acetal of the crosslinking group is cross-linked.
- the functional group is unstable under weakly acidic conditions.
- the number of stitching regions in the stitching imprint template is greater than or equal to 2, where when the number of stitching regions is equal to 2, the above steps S101 to S106 need only be performed once; when the stitching regions When the number is greater than 2, by repeating some or all of steps S101 to S106 above, any two adjacent splicing areas (one of which is the first splicing area and the other is the second splicing area ) A first splicing embossing pattern and a second splicing embossing pattern are formed respectively. Therefore, on the prepared splicing and imprinting template, there is no segment difference between splicing and imprinting graphics in any two adjacent splicing areas.
- Embodiments of the present disclosure provide a splicing imprint template.
- the splicing imprint template can be prepared by using the preparation method provided in the foregoing embodiment. For a detailed description, refer to the foregoing.
- the master template includes: a first imprint structure 12 and a second imprint structure 13 connected to each other; a first imprint structure 12 includes: a support layer 12a and an imprinted graphic layer 12b.
- the imprinted graphic layer 12b is located on the first surface of the support layer (the lower surface of the support layer 12a in FIG. 9 is shown by the dashed line 14 in FIG.
- the second embossed structure 13 extends from the support layer in a direction parallel to the first surface, and the second embossed structure 13 is located on the side of the plane where the first surface is facing away from the embossed graphic layer 12b, so that the first There is a distance between the surface of the second imprint structure 13 close to the imprinted pattern layer 12b (the lower surface of the second imprint structure 13 in FIG. 9) and the first surface. Due to the existence of this distance, during the imprinting process, an accommodating portion capable of accommodating the overflow glue is formed between the lower surface of the second imprinting structure 13 and the first surface 14 to avoid the formation of an intermediate step difference during imprinting.
- the master template provided in this embodiment can be used to imprint and pattern the second template glue in the foregoing embodiment.
- imprinting process please refer to the foregoing description of FIG. 6b.
- the imprinting surface of the second imprinting structure can be designed as a flat surface, which can facilitate the preparation of the master template.
- the first embossing structure and the second embossing structure are integrally formed.
- a glass substrate can be directly etched one or more times to obtain a first embossed structure and a second embossed structure.
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Abstract
Description
Claims (12)
- 一种拼接式压印模板的制备方法,其中,所述拼接式压印模板包括:彼此相邻的第一拼接区域和第二拼接区域,所述制备方法包括:在衬底基板上的所述第一拼接区域内形成第一拼接压印图形;在所述第一拼接压印图形背向所述衬底基板的一侧表面形成牺牲层,所述牺牲层至少覆盖所述第一拼接区域内且靠近所述第二拼接区域的部分区域,所述牺牲层、所述第一拼接压印图形和后续待形成的第二拼接压印图形被配置为:在特定除膜工艺下,所述牺牲层被去除,而所述第一拼接压印图形和所述第二拼接压印图形保留;在所述衬底基板上的所述第二拼接区域内形成第二模板胶;采用预定母模板对位于所述第二拼接区域内的所述第二模板胶进行图案化;对所述第二模板胶进行固化和脱模;通过所述特定除膜工艺去除所述牺牲层。
- 根据权利要求1所述的制备方法,其中,所述牺牲层覆盖整个所述第一拼接区域。
- 根据权利要求1所述的制备方法,其中,所述牺牲层的材料包括:可降解材料;所述通过所述特定除膜工艺去除所述牺牲层的步骤包括:通过降解工艺将所述牺牲层降解。
- 根据权利要求3所述的制备方法,其中,所述可降解材料包括:可降解型压印胶。
- 根据权利要求1所述的制备方法,其中,所述牺牲层的材料包括:水溶性材料;所述通过所述特定除膜工艺去除所述牺牲层的步骤包括:通过水溶剂溶解所述牺牲层。
- 根据权利要求5所述的制备方法,其中,所述水溶性材料包括:聚乙烯醇树脂和聚己内酯树脂中的至少一种。
- 根据权利要求3-6中任一所述的制备方法,其中,所述通过所述特定除膜工艺去除所述牺牲层的步骤之后还包括:对所述压印模板进行干燥处理。
- 根据权利要求1所述的制备方法,其中,所述预定母模板包括:彼此相连的第一压印结构和第二压印结构;所述第一压印结构包括:支撑层和压印图形层,所述压印图形层位于所述支撑层的第一表面并从所述第一表面突出;所述第二压印结构从所述支撑层沿平行于所述第一表面的方向延伸出,且所述第二压印结构位于所述第一表面所在平面背向所述压印图形层的一侧,使得所述第二压印结构靠近所述压印图形层的表面与所述支撑面之间存在一距离;所述采用预定母模板对位于所述第二拼接区域内的所述第二模板胶进行图案化的步骤包括:将所述预定母模板与所述第二模板胶正对,其中所述第一压印结构在所述衬底基板上的正投影覆盖所述第二拼接区域,所述第二压印结构在所述衬底基板上的正投影落入所述牺牲层在所述衬底基板上的正投影内;利用所述预定母模板对所述第二模板进行压印,以对位于所述第二拼接区域内的所述第二模板胶进行图案化。
- 根据权利要求8所述的制备方法,其中,在采用预定母模板对位于所述第二拼接区域内的所述第二模板胶进行图案化的过程中,所述第一压印结构朝向所述第二压印结构的侧面,与所述第一拼接压印图形朝向所述第二拼接区域的侧面位于同一平面上。
- 一种母模板,其中,包括:彼此相连的第一压印结构和第二压印结构;所述第一压印结构包括:支撑层和压印图形层,所述压印图形层位于所述支撑层的第一表面并从所述第一表面突出;以及,所述第二压印结构从所述支撑层沿平行于所述第一表面的方向延伸出,且所述第二压印结构位于所述第一表面所在平面背向所述压印图形层的一侧,使得所述第二压印结构靠近所述压印图形层的表面与所述第一表面之间存在一距离。
- 根据权利要求10所述的母模板,其中,所述第二压印结构的压印表面为平面。
- 根据权利要求10或11所述的母模板,其中,所述第一压印结构和第二压印结构一体成型。
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US16/954,626 US20200361123A1 (en) | 2018-11-19 | 2019-11-11 | Preparation method of splicing imprint template and cavity template |
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CN201811376982.9A CN109240041B (zh) | 2018-11-19 | 2018-11-19 | 拼接式压印模板及其制备方法和母模板 |
CN201811376982.9 | 2018-11-19 |
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US (1) | US20200361123A1 (zh) |
CN (1) | CN109240041B (zh) |
WO (1) | WO2020103717A1 (zh) |
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CN109240041B (zh) * | 2018-11-19 | 2020-06-26 | 京东方科技集团股份有限公司 | 拼接式压印模板及其制备方法和母模板 |
CN110824835B (zh) * | 2019-11-26 | 2023-05-12 | 京东方科技集团股份有限公司 | 拼接式纳米压印模板、其拼接缝的修复方法及其制作方法 |
CN111624851A (zh) * | 2020-06-16 | 2020-09-04 | 京东方科技集团股份有限公司 | 压印模板及其制备方法 |
WO2022067613A1 (zh) * | 2020-09-30 | 2022-04-07 | 镭亚电子(苏州)有限公司 | 印制模板及其制造方法 |
CN112731763A (zh) * | 2020-12-31 | 2021-04-30 | 嘉兴驭光光电科技有限公司 | 一种微纳光学器件制造方法 |
CN114851684B (zh) * | 2021-02-03 | 2024-03-19 | 苏州苏大维格科技集团股份有限公司 | 一种具有双重防伪效果的模具及其制作方法 |
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- 2018-11-19 CN CN201811376982.9A patent/CN109240041B/zh active Active
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2019
- 2019-11-11 US US16/954,626 patent/US20200361123A1/en not_active Abandoned
- 2019-11-11 WO PCT/CN2019/117133 patent/WO2020103717A1/zh active Application Filing
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CN109188863A (zh) * | 2018-11-05 | 2019-01-11 | 京东方科技集团股份有限公司 | 膜层图案化的方法 |
CN109240041A (zh) * | 2018-11-19 | 2019-01-18 | 京东方科技集团股份有限公司 | 拼接式压印模板及其制备方法和母模板 |
CN109613799A (zh) * | 2019-01-29 | 2019-04-12 | 京东方科技集团股份有限公司 | 纳米图案的拼接方法、纳米压印板及光栅 |
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