WO2005057634A1 - ナノインプリントを利用するパターン形成方法および該方法を実行する装置 - Google Patents
ナノインプリントを利用するパターン形成方法および該方法を実行する装置 Download PDFInfo
- Publication number
- WO2005057634A1 WO2005057634A1 PCT/JP2004/018196 JP2004018196W WO2005057634A1 WO 2005057634 A1 WO2005057634 A1 WO 2005057634A1 JP 2004018196 W JP2004018196 W JP 2004018196W WO 2005057634 A1 WO2005057634 A1 WO 2005057634A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- mold
- resist film
- substrate
- pattern
- actuator
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/027—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34
- H01L21/0271—Making masks on semiconductor bodies for further photolithographic processing not provided for in group H01L21/18 or H01L21/34 comprising organic layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C1/00—Manufacture or treatment of devices or systems in or on a substrate
- B81C1/00436—Shaping materials, i.e. techniques for structuring the substrate or the layers on the substrate
- B81C1/00444—Surface micromachining, i.e. structuring layers on the substrate
- B81C1/0046—Surface micromachining, i.e. structuring layers on the substrate using stamping, e.g. imprinting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
Definitions
- the present invention relates to a fine pattern forming technique, and more particularly, to a method for forming a buttering in a semiconductor device and an apparatus for executing the method.
- a nanoimprint technique exists as an example of a technique that has both patterning and mass productivity of a semiconductor structure of less than 100 nm (nanometer) (for example, see Patent Document 1).
- a pattern mold having a nano size is formed, and the mold is pressed against a heated resist film to form a fine pattern on the resist.
- FIG. 1 is a schematic cross-sectional view illustrating each step of forming a fine pattern by nanoimprinting in the related art.
- a pattern forming resist 12 such as polymethyl methacrylate is applied on a wafer 10, while a mold 14 is provided on a mold base 16.
- the mold 14 is pressed against the resist 12 to transfer the pattern of the concave and convex portions on the surface of the mold 14 to the resist 12.
- the resist 12 is heated by heating the wafer 10 to about 200 ° C., and the mold 14 is pressed against the resist 12 while softening the resist 12.
- the concavo-convex pattern of the mold 14 is transferred to the resist 12 and the mold table 16 is moved upward.
- FIG. 1 (c) when the thickness of the resist 12 is larger than the height of the convex portion of the mold 14, anisotropic reactive ion etching (indicated by RIE in FIG. 1)
- the resist film 12 is etched to expose the surface of the wafer 10 at the concave portion of the resist pattern. Thereafter, etching is performed using the resist film as a mask, or A1 or the like is vapor-deposited and lifted off to be used for wiring.
- a large pattern forming method is called thermal cycle nanoimprint lithography because a pattern is formed by applying heat to a resist to press a mold and then cooling the resist. With this method, it is known that nanoimprint technology is very useful in that a pattern jungle of about 25 nm or less can be formed at a time.
- Patent Document 1 U.S. Pat.No. 5,772,905
- the conventional nanoimprint method has a problem that it takes a lot of time to form a pattern on a resist because the wafer and the resist film on the wafer are repeatedly heated and cooled. Specifically, it has been reported that the conventional method shown in FIG. 1 requires about two hours to form a pattern. Further, such a thermal cycle nanoimprint lithography method causes problems such as a decrease in throughput of the entire semiconductor manufacturing, a change in transfer pattern dimension and accuracy due to a temperature difference, and a decrease in equipment alignment due to thermal expansion.
- a second object of the present invention is to provide a pattern forming method that maintains highly accurate alignment between a mold and a resist film. It is a third object of the present invention to provide an apparatus for performing the method.
- the inventor of the present invention has conducted intensive studies on the nanoimprint technology, and as a result, has not heated the mold.
- the inventors have found that pressing the resist film on the wafer as a substrate can solve the above-mentioned problem, and have completed the present invention.
- the present inventor has found that the alignment between the mold and the resist film is such that the mold surface and the resist film are overlapped in the direction of gravity, and the mold surface and the resist surface are held in parallel by alignment by their own weight. Based on this, the present invention has been completed.
- the first object is a method for forming a pattern on a resist film on a substrate using a first mold having an uneven portion, and (1) heating the first mold to a predetermined temperature. Pressing the first mold against the resist film so as to transfer the shape of the concave and convex portions of the first mold to the resist film while heating or after heating to a predetermined temperature; This is achieved by a method comprising: a stripping step of stripping the first mold from the resist film; and (3) an etching step of etching the resist film so that the surface of the substrate is exposed. According to the strong structure, the heated mold is pressed against the resist film, so that the transfer can be performed in a short time.
- the pressing is performed such that the bottom of the concave portion avoids contact with the surface of the resist film. Since the bottom of the concave portion of the mold is not brought into contact with the surface of the resist film, in the subsequent peeling step, a peeling failure of the resist film in contact with the bottom does not occur, thereby enabling highly accurate transfer.
- the hardness of the first mold is higher than the hardness of the resist film. Rapid transfer is realized using the difference in hardness.
- the predetermined temperature of the first mold is a temperature equal to or before or after a glass transition temperature of the resist film.
- the first mold contains silicon, or is a mold formed by an electrode using the silicon as a master.
- the resist film contains a thermoplastic resin.
- the etching step is performed by reactive ion etching.
- the pattern to be formed on the resist film on the substrate is uneven by the first mold
- the pattern is pressed by the convex portion of the first mold.
- the second mold is formed so that the thickness of the resist film is smaller than the thickness of the resist film when the region pressed by the convex portion of the first mold is small.
- a pre-treatment step of pre-pressing the resist film by using the method By performing a powerful pre-processing step, it is possible to execute pattern formation with high precision even when the pattern to be formed has a density.
- the second mold in the pretreatment step is pressed against the resist film while being heated to a predetermined temperature or after being heated to a predetermined temperature.
- the hardness of the second mold is higher than the hardness of the resist film.
- the predetermined temperature of the second mold is a temperature that is equal to or around a glass transition temperature of the resist film.
- the second mold contains silicon, or is a mold formed by electrode using the silicon as a master.
- a second object of the present invention is a method for forming a pattern on a resist film on a substrate by using a mold having an uneven portion, wherein (a) the mold is placed on a vertically movable actuator. Disposing the substrate; (b) placing the substrate on a sample stage disposed opposite to the actuator so as to face the mold; and (c) placing the substrate on the mold. Mounting, (d) supporting the sample stage having the substrate by a support, and (e) moving the actuator so that the mold is separated from the resist film. Achieved by the method.
- the concave and convex portions of the mold are transferred to the resist film in a state where the mold surface and the resist surface are held in parallel, so that the concave and convex portions of the mold can be transferred with high accuracy.
- the actuator in the method, (f) while heating the mold to a predetermined temperature or after heating the mold to a predetermined temperature, the actuator is heated so that the mold and the resist film come into contact with each other. Is further included. By bringing the heated mold into contact with the resist film, rapid transfer becomes possible.
- the method further comprises the step of: (g) moving the actuator so as to peel the mold from the resist film.
- the method further includes the step of (h) etching the resist film so that a surface of the substrate is exposed.
- a pattern can be formed on the substrate.
- the step (6) is performed such that a bottom of the concave portion of the mold avoids contact with a surface of the resist film. Since the bottom of the concave portion of the mold is not brought into contact with the surface of the resist film, in the subsequent peeling step, a peeling failure of the resist film in contact with the bottom does not occur, thereby enabling high-accuracy transfer.
- the hardness of the mold is higher than the hardness of the resist film. Rapid transfer is realized using the difference in hardness.
- the predetermined temperature of the mold is a temperature that is the same as or about a glass transition temperature of the resist film.
- the mold contains silicon, or is a mold formed by an electrode using the silicon as a master.
- the resist contains a thermoplastic resin.
- a third object of the present invention is a noturn forming apparatus for forming a pattern on a resist film on a substrate using a mold having an uneven portion, wherein a sample table on which the substrate is placed,
- a first actuator arranged to face the sample table and moving the mold, at least two supports for supporting the sample table, and vertically moving the sample table;
- a pattern forming apparatus comprising: a second actuator arranged on the support; and a monitoring unit for monitoring contact between the support and the sample stage.
- the monitoring unit monitors the amount of electricity by connecting the power source between the support and the sample stage as conductors. By such a monitoring, it is possible to control the positional relationship between the sample stage provided with the substrate having the resist film and the pattern forming mode.
- the power supply is an AC power supply.
- the influence of noise can be eliminated.
- nano-level used in the present specification means a size of 1 ⁇ m or less and a level of 1 nanometer (one billionth of a meter) or more.
- temperature equal to or around the glass transition temperature of the resist film used herein means a temperature sufficient for the resist film to soften.
- transfer of nano-level pattern formation to a resist film on a substrate can be realized in an extremely short time as compared with the time required for a conventional pattern forming method. Specifically, one transfer is possible in a unit of several seconds.
- the resist film on the substrate is preliminarily added to the resist film according to the unevenness of the pattern.
- the pretreatment of adjusting the film thickness of the substrate it is possible to transfer nano-level pattern formation in which the resist pattern on one substrate has coarseness and denseness.
- an apparatus capable of forming a pattern on a nano level is provided.
- FIG. 2 is a schematic cross-sectional view of each step for explaining a first embodiment of the pattern forming method according to the present invention.
- a film-shaped resist film 12 is formed on a substrate 20, while a pattern forming mold 14 having predetermined irregularities is provided on a mold base 16. Distribute.
- the substrate 20 used in the present invention is preferably a silicon substrate 20 as long as it has a smooth surface and has a thin plate shape composed of a semiconductor, a metal material, or a high molecular material.
- the resist film 12 formed on the substrate 20 is a material containing a thermoplastic resin from the viewpoint of a transfer technology using heat, which will be described later, as long as it contains a polymer material. Is preferred.
- the thermoplastic resin include, but are not limited to, polymers produced by an addition polymerization reaction such as polyethylene, polystyrene, poly (meth) acrylate, and polychlorinated butyl, and polyesters and polyamides. And polymers produced by a polycondensation reaction, such as polycarbonate, polyurethane and polyurethane. These polymers can be used alone or in combination as a resist material.
- the method for forming the resist film 12 on the substrate 20 is not limited to the following method, but the polymer material is dissolved or dispersed in an appropriate solvent. A method of spin-coating the solution on the substrate 20 may be used.
- the mold 14 for forming a turn used in the present invention a silicon mold manufactured by anisotropic etching so as to have a predetermined uneven portion, or an electrode manufactured using the silicon mold as a master.
- a mold for example, a mold made of copper, nickel, or an alloy thereof can be used. The method of manufacturing such a mold can be easily understood by those skilled in the art, for example, as disclosed in JP-A-5-287577. It is preferable that the hardness of the mold 14 is higher than the hardness of the resist film 12 in order to more efficiently perform the transfer process described below. This is to make it easier for the mold 14 to enter the resist film 12 when the mold 14 is pressed.
- the mold 14 is heated to a predetermined temperature or Then, a transfer step described later is performed.
- the predetermined temperature of the mold 14 is preferably a temperature at which the resist film 12 can be softened.
- the predetermined temperature at the time of heating the mold 14 can be appropriately set according to the polymer material constituting the resist film 12, and is equal to or before or after the glass transition temperature of the polymer material.
- the temperature is For example, when polymethyl methacrylate is used for the resist film 12, since the glass transition temperature is about 72 ° C., it is preferable to heat the mold to such a temperature or to a temperature before or after such a temperature.
- the glass transition temperature is about 150 ° C., and therefore, it is preferable to heat the mold 14 to a temperature at which it is heated or a temperature before or after the temperature.
- the heating of the mold 14 can be performed by a heating means (not shown), as can be easily understood by those skilled in the art.
- Specific examples of the heating means include a ceramic heater and the like.
- the range of the temperature applied to the mold 14 by the present heating means is, as described above, the glass transition temperature of the resist film or the temperature around the glass transition temperature. It is preferable that
- the mold 14 is heated while being heated to the glass transition temperature of the resist film 12 formed on the substrate 20 or a temperature before or after the glass transition temperature. 14 is pressed against the resist film 12 so that the surface force of the resist film 12 also comes into contact.
- the bottom 22 of the concave portion of the mold 14 avoid contact with the surface of the resist film.
- the mold 14 is heated to the glass transition temperature of the resist film 12 or higher, the mold 14 for the resist film 12 shown in FIG. , easily proceeding toward the surface of the substrate 20.
- the mold 14 is peeled off from the resist film 12 by upward force. .
- a predetermined pattern is formed on the resist film 12 by a vigorous method.
- the resist film itself is also heated.
- the mold 14 is peeled from the resist film 12, so that the resist film 12 is rapidly heated. It will be cold.
- step (d) of FIG. 2 the resist film 26 remaining on the substrate 20 is removed by etching to expose the surface of the substrate 20.
- etching of the remaining film oxygen reactive ion etching shown in step (d) of FIG. 2 or wet etching using a chemical agent can be used.
- the pattern transfer method according to the present invention enables high-throughput manufacturing by performing pattern transfer using only the top end of the uneven portion of the mold.
- FIG. 3 is a schematic cross-sectional view of each step for explaining a second embodiment of the pattern forming method according to the present invention.
- the pattern forming method according to the present invention shown in FIG. 3 is a method for performing pattern formation with high accuracy when patterns to be finally formed on one substrate are dense and dense.
- the thickness of the resist film is adjusted by the convex portions of the first mold.
- the pre-treatment is performed so that the region to be pressed is small and the thickness is smaller than the thickness of the resist film in the case where the region is pressed.
- a resist film adjusting step according to the density of the pattern to be formed in advance is performed by adjusting the thickness of the resist film.
- the case where the pattern to be formed has unevenness, that is, the case where the mold does not regularly have convex portions at regular intervals, and the number of the convex portions is relatively small
- dense the patterns to be formed are dense.
- the number of protrusions of the mold is relatively coarse, the pattern to be formed is rough.
- a pretreatment mold 30 is prepared.
- the mold 30 has an uneven portion on its surface according to the density of a pattern to be formed later. More specifically, in regions where the pattern to be formed is rough, the protrusions of the mold 30 are made to correspond to each other so that the thickness of the resist film 12 is reduced, while the pattern to be formed is dense.
- the concave and convex portions on the surface of the mold 30 are designed such that the thickness of the resist film 12 is larger than that of the rough region and the concave portions of the mold 30 correspond to those regions.
- the thickness of the resist film 12 is controlled in advance using the mold 30 to be pressed, and the shape of the finally formed pattern is adjusted.
- the mold 30 is pressed against the resist film 12. It is preferable that the hardness of the mold 30 is higher than the hardness of the resist film 12 in order to efficiently perform the strong pressing. Further, in order to perform the pressing more efficiently, it is preferable to heat the mold 30 to the glass transition temperature of the resist film or a temperature around the glass transition temperature. Thereby, the irregularities on the surface of the mold 30 are quickly transferred to the resist film 12. Thereafter, as shown in FIG. 3 (c), by peeling the mold 30 from the resist film 12, the thickness of the resist film 12 can be controlled according to the density of the pattern to be formed later. It becomes.
- step (d) the description of step (d) —step (g) in FIG. 3 is omitted.
- the steps described with reference to FIG. 3 enable a nano-level pattern to be formed on a single substrate even if the patterns to be formed are dense and dense.
- FIG. 4 is a scheme illustrating a pattern forming method according to another embodiment of the present invention.
- the pattern forming method according to the third embodiment of the present invention includes the steps of disposing a mold (S1), disposing a substrate on a sample stage (S2), and placing a substrate on a mold (S3). ), Support of sample stage (S4), mold lowering (S5), mold heating (S6), mold raising (S7) and mold lowering (S8) force. Each step will be described together with a cross-sectional view for explaining a pattern forming method described later.
- FIG. 5 is a schematic sectional view for explaining the steps of the pattern forming method according to the third embodiment of the present invention.
- a mold 110 having irregularities is provided on an actuator 100 movable in the z-axis direction, while a substrate having a resist film is provided on a sample table 120 provided opposite to the actuator. 130, for example, place a silicon wafer (S in Fig. 4) 1 and S2).
- the substrate 130 is placed on the mold 110 together with the sample table 120 (see S3 in FIG. 4). In this way, using the gravity of the substrate 130 and the sample stage 120, the actuator 100, the mold 110, and the sample stage 120 are superimposed in the direction of gravity to perform positioning by their own weight.
- the support 140 supporting the sample stage 120 is moved upward from the bottom in FIG. 5, and the force near both ends of the sample stage 120 is supported (corresponding to S4 in FIG. 4).
- the support 140 shows at least two supports 140. In order to stably support the sample stage 120, three or more supports may be used.
- the support 140 used in the present invention is provided with an actuator 150 at the tip of the support 140, and a support rod or the like that is vertically movable in the z-axis direction.
- the actuator 100 on which the mold 110 is mounted is directed downward in the z-axis direction while the supporter 140 supports the sample stage 120 on which the substrate 130 having the resist film is disposed. (See S5 in Fig. 4). In this lowering, when the mold 110 is heated as described later, it is necessary to lower the resist film to a certain distance without thermally affecting the resist film.
- the actuator 100 used in the present invention includes a step motor actuator (moving width: 25 mm, resolution: 25 nm; M168 manufactured by PI Polytec).
- the actuator 150 used in the present invention includes, as disclosed in U.S. Pat.No. 5,410,206, specific actuators preferred by piezo actuators, such as New Focus Model 8301, Linear decomposition capabilities such as 8302, 8303, 8321, 8322 etc. ⁇ Onm or less.
- the mold 110 is heated using a heater or the like (not shown) (corresponding to S6 in FIG. 4).
- the heating temperature is preferably the same as or about the glass transition temperature of the resist film.
- the polymer resin constituting the resist film is preferably a thermoplastic resin.
- the thermoplastic resin include, but are not limited to, polymers produced by an addition polymerization reaction such as polyethylene, polystyrene, poly (meth) acrylate, and polychlorinated butyl, polyesters, polyamides, and the like. Formed by the polycondensation reaction of Polymers and the like. These polymers can be used alone or in combination as a resist material.
- the heated mold 110 is moved upward in the z-axis direction using an actuator, and pressed against the resist film of the substrate 130 (S 7 in FIG. 4). reference). At the time of this pressing, it is preferable to press so as to avoid contact with the bottom of the uneven portion of the mold 110 and the surface of the resist film. By pressing in this manner, only the leading end of the concave / convex portion of the mold 100 can be transferred to the resist film, and a pattern forming method with high throughput is realized.
- the actuator 100 is operated so as to peel off the mold 110 from the resist film, and the pattern transfer is completed (S8 in FIG. 4).
- the pattern transfer is completed (S8 in FIG. 4).
- the peeling step shown in FIG. It is possible to eliminate the possibility that the transfer pattern will be deformed due to the fact that the image remains.
- the manufacturing as a pattern formation is performed. Throughput decreases. However, variations in the resist film thickness and substrate thickness are small. Also, at the time of pattern transfer, the sample stage 120 is slightly lifted from the support 140 to move the mold upward by more than the depth of the pattern to be formed, compared to when adjusting the parallelism. Positioning by contact is re-executed with the surface of the object.
- the substrate 130 is removed from the sample table 120, and the concave and convex pattern of the mold 110 is removed. Is obtained, the substrate having the resist film to which is transferred. Thereafter, a desired pattern is formed on the substrate by etching the resist film so that the surface of the substrate is exposed.
- the relationship has been described in which the substrate 130 is set up and the mold 110 is set down with respect to the z-axis direction, but the vertical relationship between the substrate 130 and the mold 110 is reversed. It can be easily understood by those skilled in the art that the present embodiment can be performed in a positional relationship.
- FIG. 6 is a schematic sectional view of a pattern forming apparatus for executing a pattern forming method according to one embodiment of the present invention.
- a pattern forming apparatus 200 according to the present invention has a mold 110 placed thereon, a first actuator 100 that can move up and down in the z-axis direction, and a first actuator 100 that is disposed facing the first actuator 100. And a sample stage 120 on which the coated substrate 130 is placed.
- the apparatus 200 can control the positional relationship between the sample table 120 and the mold 110, and includes at least two supports 140 for moving the sample table 120 up and down in the z-axis direction.
- the support 140 includes a second actuator 150 at the tip thereof, and precisely determines the positional relationship between the substrate 130 disposed on the sample stage 120 and the mold disposed on the first actuator 100.
- a step motor actuator moving width: 25 mm, resolution: 25 nm; M168 manufactured by PI Polytec
- the second actuator used in the present invention a piezo actuator as disclosed in US Pat. No. 5,410,206 is preferable.
- Specific examples of the actuator 150 include models 8301, 8302, 8303, 8321, and 8322 manufactured by New Focus Inc. having a linear resolution of 30 nm or less.
- the pattern forming apparatus 200 includes the monitoring unit 160 in which the support 140 and the sample stage 120 are used as conductors, and a current source and an ammeter are connected therebetween. Or The contact between the support 140 and the sample table 120 can be detected with high accuracy by monitoring the amount of current supplied to the monitoring unit 160. In the present invention, it is preferable to use an AC source as the current source in order to remove the influence of noise in the monitoring unit.
- the monitoring unit 160 the positional relationship between the support 140 and the sample table 120 in the pattern forming apparatus according to the present invention can be controlled with an accuracy of about 10 mm.
- a silicon substrate was prepared by anisotropic etching, and nickel electrodes were applied thereto to prepare a mold having a period of 1.25 ⁇ m and a height of 0.71 ⁇ m.
- Polystyrene (hereinafter simply referred to as “PS”) was used as a resist film, dissolved in an appropriate solvent, and spin-coated on a glass substrate. Next, the glass substrate was dried in a vacuum oven to form resist thin films (1 ⁇ m and 200 nm) having different film thicknesses. The dried glass substrate was placed on a sample stage arranged on the Z axis, and a pattern was formed at the mold temperature of 130 ° C.
- FIG. 7 shows an SEM photograph (magnification: 5000) of the pattern shape formed using a resist film thickness of 1 ⁇ m.
- the resist film is: Lm
- the mold depth is 710 nm
- the resist film thickness is larger than the mold depth
- FIG. 8 shows an SEM photograph (magnification: 10,000 times) of a pattern shape formed by the pattern forming method according to the present invention using a resist film thickness of 200 nm.
- the results shown in Fig. 8 indicate that the resist film is 200 nm and smaller than the mold depth of 710 nm! /, So that contact between the bottom of the mold and the resist is avoided, and there is no pattern deformation due to mold peeling.
- FIG. 1 is a schematic cross-sectional view illustrating each step of forming a fine pattern by nanoimprinting in a conventional technique.
- FIG. 2 is a schematic cross-sectional view of each step for explaining a first embodiment of the pattern forming method according to the present invention.
- FIG. 3 is a schematic cross-sectional view of each step for explaining a second embodiment of the pattern forming method according to the present invention.
- a mold table for disposing the mold is omitted.
- FIG. 4 shows a scheme for explaining a pattern forming method according to another embodiment of the present invention.
- FIG. 5 is a schematic cross-sectional view explaining steps of a pattern forming method according to a third embodiment of the present invention.
- FIG. 6 is a schematic sectional view of a pattern forming apparatus for executing a pattern forming method according to one embodiment of the present invention.
- FIG. 7 shows an SEM photograph (5,000 times magnification) of a pattern shape formed using a resist film thickness of 1 ⁇ m.
- FIG. 8 shows an SEM photograph (magnification: 10,000 times) of a pattern shape formed by a pattern forming method according to the present invention using a resist film thickness of 200 nm.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005516118A JPWO2005057634A1 (ja) | 2003-12-11 | 2004-12-07 | ナノインプリントを利用するパターン形成方法および該方法を実行する装置 |
EP04820198A EP1696471A1 (en) | 2003-12-11 | 2004-12-07 | Pattern-forming process utilizing nanoimprint and apparatus for performing such process |
US10/582,101 US20070117389A1 (en) | 2003-12-11 | 2004-12-07 | Pattern formation method using nanoimprinting and device for carrying out same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-413513 | 2003-12-11 | ||
JP2003413513 | 2003-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005057634A1 true WO2005057634A1 (ja) | 2005-06-23 |
Family
ID=34675055
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/018196 WO2005057634A1 (ja) | 2003-12-11 | 2004-12-07 | ナノインプリントを利用するパターン形成方法および該方法を実行する装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070117389A1 (ja) |
EP (1) | EP1696471A1 (ja) |
JP (1) | JPWO2005057634A1 (ja) |
KR (1) | KR20060128886A (ja) |
WO (1) | WO2005057634A1 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007128952A (ja) * | 2005-11-01 | 2007-05-24 | Hst Kk | 3次元構造のコイル体及びその製造方法、並びに磁気センサ及びその製造方法 |
WO2007083725A1 (ja) * | 2006-01-23 | 2007-07-26 | Pioneer Corporation | インプリント用転写型、インプリント転写方法、インプリント装置、インプリント用転写型の製造方法およびインプリント転写物 |
JP2008120032A (ja) * | 2006-11-15 | 2008-05-29 | Toppan Printing Co Ltd | インプリントモールドおよびインプリントモールド製造方法 |
WO2009069858A1 (en) * | 2007-11-27 | 2009-06-04 | Inha-Industry Partnership Institute | Method of fabricating three-dimensional patterned structure using imprinting lithography process and photo lithography process |
JP2010023360A (ja) * | 2008-07-22 | 2010-02-04 | Toppan Printing Co Ltd | インプリント方法、プレインプリントモールド、プレインプリントモールド製造方法、インプリント装置 |
JP2010245521A (ja) * | 2009-04-01 | 2010-10-28 | Asml Netherlands Bv | インプリントリソグラフィ装置及び方法 |
JP2011086727A (ja) * | 2009-10-14 | 2011-04-28 | Canon Inc | インプリント装置及び物品の製造方法 |
CN102591140A (zh) * | 2011-12-30 | 2012-07-18 | 苏州锦元纳米科技有限公司 | 一种纳米压印方法 |
JP2012204375A (ja) * | 2011-03-23 | 2012-10-22 | Waseda Univ | 微細パターンを表面に有する物品の製造方法 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2164703B1 (en) | 2007-06-28 | 2018-09-12 | Emot Co., Ltd | Method of duplicating nano-scaled pattern texture on object's surface by imprinting and electroforming |
JP4977121B2 (ja) * | 2008-03-25 | 2012-07-18 | 富士フイルム株式会社 | インプリント用モールド構造体及びそれを用いたインプリント方法、並びに磁気記録媒体の製造方法 |
US8652393B2 (en) | 2008-10-24 | 2014-02-18 | Molecular Imprints, Inc. | Strain and kinetics control during separation phase of imprint process |
KR101319353B1 (ko) * | 2009-12-23 | 2013-10-16 | 엘지디스플레이 주식회사 | 평판 표시 소자의 제조 장치 및 방법 |
KR102014100B1 (ko) * | 2017-08-22 | 2019-08-26 | 한국세라믹기술원 | 가압방식 소성변형 패터닝 방법 |
KR101980536B1 (ko) * | 2017-08-22 | 2019-08-28 | 한국세라믹기술원 | 가압방식 소성변형 멀티 패터닝 방법 |
WO2019039712A1 (ko) * | 2017-08-22 | 2019-02-28 | 한국세라믹기술원 | 가압방식 소성변형 멀티 패터닝 방법, 그리고 에너지 하베스터 소자 및 그 제조 방법. |
KR20210073604A (ko) * | 2018-11-09 | 2021-06-18 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 나노구조화된 광학 필름 및 중간체 |
KR102146347B1 (ko) * | 2018-12-12 | 2020-08-20 | 한국세라믹기술원 | 홀로그램 필름의 제조방법 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5947027A (en) * | 1998-09-08 | 1999-09-07 | Motorola, Inc. | Printing apparatus with inflatable means for advancing a substrate towards the stamping surface |
JP2002100079A (ja) * | 2000-09-25 | 2002-04-05 | Toshiba Corp | 転写装置及び転写方法 |
JP2002158192A (ja) * | 2000-08-30 | 2002-05-31 | Ishikawa Seisakusho Ltd | 半導体デバイス製造におけるパターン転写法 |
JP2003077807A (ja) * | 2001-09-04 | 2003-03-14 | Matsushita Electric Ind Co Ltd | モールド、モールドの製造方法、および、パターン形成方法 |
JP2003516644A (ja) * | 1999-12-10 | 2003-05-13 | オブドゥカト アクティエボラーグ | 構造物の製造に関する装置および方法 |
JP2003527248A (ja) * | 2000-03-15 | 2003-09-16 | オブデュキャット、アクチボラグ | 物体へのパターン転写装置 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5772905A (en) * | 1995-11-15 | 1998-06-30 | Regents Of The University Of Minnesota | Nanoimprint lithography |
US7717696B2 (en) * | 2000-07-18 | 2010-05-18 | Nanonex Corp. | Apparatus for double-sided imprint lithography |
KR20030040378A (ko) * | 2000-08-01 | 2003-05-22 | 보드 오브 리전츠, 더 유니버시티 오브 텍사스 시스템 | 임프린트 리소그래피를 위한 투명한 템플릿과 기판사이의고정확성 갭 및 방향설정 감지 방법 |
WO2004062886A1 (ja) * | 2003-01-15 | 2004-07-29 | Scivax Corporation | パターン形成装置、パターン形成方法、パターン形成システム |
-
2004
- 2004-12-07 EP EP04820198A patent/EP1696471A1/en not_active Withdrawn
- 2004-12-07 JP JP2005516118A patent/JPWO2005057634A1/ja active Pending
- 2004-12-07 WO PCT/JP2004/018196 patent/WO2005057634A1/ja active Application Filing
- 2004-12-07 KR KR1020067011369A patent/KR20060128886A/ko not_active Application Discontinuation
- 2004-12-07 US US10/582,101 patent/US20070117389A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5947027A (en) * | 1998-09-08 | 1999-09-07 | Motorola, Inc. | Printing apparatus with inflatable means for advancing a substrate towards the stamping surface |
JP2003516644A (ja) * | 1999-12-10 | 2003-05-13 | オブドゥカト アクティエボラーグ | 構造物の製造に関する装置および方法 |
JP2003527248A (ja) * | 2000-03-15 | 2003-09-16 | オブデュキャット、アクチボラグ | 物体へのパターン転写装置 |
JP2002158192A (ja) * | 2000-08-30 | 2002-05-31 | Ishikawa Seisakusho Ltd | 半導体デバイス製造におけるパターン転写法 |
JP2002100079A (ja) * | 2000-09-25 | 2002-04-05 | Toshiba Corp | 転写装置及び転写方法 |
JP2003077807A (ja) * | 2001-09-04 | 2003-03-14 | Matsushita Electric Ind Co Ltd | モールド、モールドの製造方法、および、パターン形成方法 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007128952A (ja) * | 2005-11-01 | 2007-05-24 | Hst Kk | 3次元構造のコイル体及びその製造方法、並びに磁気センサ及びその製造方法 |
WO2007083725A1 (ja) * | 2006-01-23 | 2007-07-26 | Pioneer Corporation | インプリント用転写型、インプリント転写方法、インプリント装置、インプリント用転写型の製造方法およびインプリント転写物 |
JP2008120032A (ja) * | 2006-11-15 | 2008-05-29 | Toppan Printing Co Ltd | インプリントモールドおよびインプリントモールド製造方法 |
WO2009069858A1 (en) * | 2007-11-27 | 2009-06-04 | Inha-Industry Partnership Institute | Method of fabricating three-dimensional patterned structure using imprinting lithography process and photo lithography process |
JP2010023360A (ja) * | 2008-07-22 | 2010-02-04 | Toppan Printing Co Ltd | インプリント方法、プレインプリントモールド、プレインプリントモールド製造方法、インプリント装置 |
JP2010245521A (ja) * | 2009-04-01 | 2010-10-28 | Asml Netherlands Bv | インプリントリソグラフィ装置及び方法 |
US9274418B2 (en) | 2009-04-01 | 2016-03-01 | Asml Netherlands B.V. | Imprint lithography apparatus and method |
JP2011086727A (ja) * | 2009-10-14 | 2011-04-28 | Canon Inc | インプリント装置及び物品の製造方法 |
JP2012204375A (ja) * | 2011-03-23 | 2012-10-22 | Waseda Univ | 微細パターンを表面に有する物品の製造方法 |
CN102591140A (zh) * | 2011-12-30 | 2012-07-18 | 苏州锦元纳米科技有限公司 | 一种纳米压印方法 |
Also Published As
Publication number | Publication date |
---|---|
KR20060128886A (ko) | 2006-12-14 |
EP1696471A1 (en) | 2006-08-30 |
JPWO2005057634A1 (ja) | 2007-07-05 |
US20070117389A1 (en) | 2007-05-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2005057634A1 (ja) | ナノインプリントを利用するパターン形成方法および該方法を実行する装置 | |
US6964793B2 (en) | Method for fabricating nanoscale patterns in light curable compositions using an electric field | |
US8603381B2 (en) | Nanotemplate arbitrary-imprint lithography | |
Matsui et al. | Room-temperature nanoimprint and nanotransfer printing using hydrogen silsequioxane | |
US7798802B2 (en) | Dual-side imprinting lithography system | |
JP4671860B2 (ja) | インプリント・リソグラフィ | |
US8025829B2 (en) | Die imprint by double side force-balanced press for step-and-repeat imprint lithography | |
KR100663858B1 (ko) | 나노 스티커의 제조방법 | |
KR20050090070A (ko) | 패턴형성장치, 패턴형성방법, 패턴형성시스템 | |
JP2006245071A (ja) | 転写装置および転写方法 | |
JP2007137051A (ja) | インプリント方法、インプリント装置およびチップの製造方法 | |
KR101545004B1 (ko) | 유연한 시트와 기판을 접촉시키기 위한 방법 및 시스템 | |
JP2008126450A (ja) | モールド、その製造方法および磁気記録媒体 | |
EP1512048B1 (en) | Method for fabricating nanoscale patterns in light curable compositions using an electric field | |
JP2013008911A (ja) | クリーニング方法、それを用いたインプリント装置および物品の製造方法 | |
WO2010051023A1 (en) | Master template replication | |
JP2004209971A (ja) | ナノ構造体の製造方法及び該方法により製造されたナノ構造体、並びに該方法を実行するための製造装置 | |
EP2138895B1 (en) | Nano imprinting method and apparatus | |
JP2011061214A (ja) | 転写装置、型、および、デバイス製造方法 | |
JP7134717B2 (ja) | インプリント装置、インプリント方法および物品製造方法 | |
JP7150535B2 (ja) | 平坦化装置、平坦化方法及び物品の製造方法 | |
US20110076451A1 (en) | Imprinting method and device utilizing ultrasonic vibrations | |
US20110123711A1 (en) | Methods for forming metal-polymer hybrid tooling for forming parts having micro features | |
KR20190133369A (ko) | 탐침형 원자 현미경을 이용한 리소그래피 방법 | |
Harrer et al. | Pattern generation by using multistep room-temperature nanoimprint lithography |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
AK | Designated states |
Kind code of ref document: A1 Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS JP KE KG KP KR KZ LC LK LR LS LT LU LV MA MD MG MK MN MW MX MZ NA NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW |
|
AL | Designated countries for regional patents |
Kind code of ref document: A1 Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application | ||
WWE | Wipo information: entry into national phase |
Ref document number: 2005516118 Country of ref document: JP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007117389 Country of ref document: US Ref document number: 10582101 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: 1020067011369 Country of ref document: KR |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2004820198 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 2004820198 Country of ref document: EP |
|
WWP | Wipo information: published in national office |
Ref document number: 1020067011369 Country of ref document: KR |
|
WWP | Wipo information: published in national office |
Ref document number: 10582101 Country of ref document: US |