WO2018190269A1 - 成膜装置及び成膜方法 - Google Patents
成膜装置及び成膜方法 Download PDFInfo
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- WO2018190269A1 WO2018190269A1 PCT/JP2018/014736 JP2018014736W WO2018190269A1 WO 2018190269 A1 WO2018190269 A1 WO 2018190269A1 JP 2018014736 W JP2018014736 W JP 2018014736W WO 2018190269 A1 WO2018190269 A1 WO 2018190269A1
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- vacuum chamber
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- hydroxyl group
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- substrate
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/0021—Reactive sputtering or evaporation
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
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- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/243—Crucibles for source material
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
- C23C14/542—Controlling the film thickness or evaporation rate
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/54—Controlling or regulating the coating process
- C23C14/548—Controlling the composition
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/448—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials
- C23C16/4488—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for generating reactive gas streams, e.g. by evaporation or sublimation of precursor materials by in situ generation of reactive gas by chemical or electrochemical reaction
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- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45523—Pulsed gas flow or change of composition over time
- C23C16/45525—Atomic layer deposition [ALD]
Definitions
- optical films including antireflection films
- optical materials such as optical lenses and optical filters
- the optical properties are slightly reduced, the properties of the final product are significantly reduced. For this reason, the improvement of the optical characteristics (for example, light transmittance etc.) of an optical film is desired.
- Patent Document 1 a technique for forming an antifouling film is known as an example of a functional film by the steps shown below.
- the method is as follows. First, two or more substrates to be processed are held on the entire surface of the substrate holding surface of the substrate holder, and then the substrate holder is rotated in a vacuum chamber. Next, ions are continuously irradiated to all of the two or more substrates while maintaining the rotation (overall irradiation of ions). Then, the film forming material made of the raw material for forming the antifouling film is evaporated and attached to the entire substrate on which the surface irregularities are formed by ion irradiation (entire supply of the film forming material).
- the antifouling film can be deposited on the uneven surface of all the substrates in two or more substrates.
- an antifouling film having abrasion resistance that can withstand practical use can be formed (see paragraph 0029 of Patent Document 1).
- An object of the present invention is to provide a film forming apparatus and a film forming method for a functional film having high wear resistance and various properties such as water repellency, oil repellency, and antifouling.
- the introduction mechanism may be capable of introducing two or more kinds of hydroxyl group-containing gas.
- the introduction mechanism may include a vaporizer capable of vaporizing water, and the vacuum chamber may be connected to the vaporizer via a pipe provided with a vacuum valve. .
- a gas flow meter may be provided in the pipe.
- the gas flow meter may be installed between the vacuum valve and the vaporizer.
- one end of the pipe may be inserted into a lower portion of the vacuum chamber.
- the thin film may include an antifouling film or a hard film.
- a film forming method according to the present invention includes a gas supply step for introducing a hydroxyl group-containing gas into a vacuum chamber and a film formation step for forming a thin film on a substrate. The film process is performed simultaneously.
- a film forming method according to the present invention includes a gas supply step for introducing a hydroxyl group-containing gas into a vacuum chamber, and a film formation step for forming a thin film on a substrate, wherein the gas supply step includes the film formation step. Performed after the process.
- the film forming method according to the present invention includes a gas supply step of intermittently supplying a hydroxyl group-containing gas to the substrate by moving the substrate, and a film forming step of forming a thin film on the substrate. Good.
- the film forming method according to the present invention may further include a gas pre-feeding step of introducing a hydroxyl group-containing gas into the vacuum chamber before the film forming step.
- the hydroxyl group-containing gas may contain at least one gas selected from water vapor and alcohol.
- two or more kinds of hydroxyl group-containing gas may be introduced.
- a hydroxyl group-containing gas is introduced into a vacuum chamber up to a first set pressure P1, and the first set pressure P1 is 1 ⁇ 10 ⁇ 3 Pa ⁇ P1 ⁇ 1 ⁇ 10 5 Pa may be set.
- a hydroxyl group-containing gas is introduced into the vacuum chamber up to a second set pressure P2, and the second set pressure P2 is 1 ⁇ 10 ⁇ 3 Pa. ⁇ P2 ⁇ 2 ⁇ 10 4 Pa may be set.
- the film forming step may be performed directly after the gas pre-feeding step.
- the time (t) for introducing the hydroxyl group-containing gas in the gas supply step, may be t ⁇ 60 min.
- the time (t) for introducing the hydroxyl group-containing gas in the gas pre-supplying step, may be t ⁇ 60 min.
- the introduction rate of the hydroxyl group-containing gas may be 1 to 10,000 sccm.
- the film forming method according to the present invention may include a silicon dioxide film forming step of forming silicon dioxide on the substrate before the gas pre-feeding step.
- the hydroxyl group-containing gas may contain water vapor.
- the material of the substrate is at least one of glass, sapphire, aluminum, stainless steel, aluminum oxide, PET, polycarbonate (PC), and triacetyl cellulose film (TAC). May be included.
- the thin film may include an antifouling film or a hard film.
- the present invention can form a functional film having high wear resistance and having various properties such as water repellency, oil repellency, and antifouling.
- FIG. 1 is a schematic view of a film forming apparatus provided by an embodiment of the present invention.
- FIG. 2 is a schematic view of a substrate having a thin film formed by the apparatus shown in FIG.
- FIG. 3 is a schematic diagram of film formation without a step of introducing a hydroxyl group-containing gas in the prior art.
- FIG. 4 is a schematic diagram of film formation in the present embodiment when there is a step of introducing a hydroxyl group-containing gas.
- An exhaust port is provided in the upper part of the vacuum vessel, and an exhaust mechanism is connected by the exhaust port.
- the exhaust mechanism is connected to the vacuum chamber 100 by an exhaust port, and the inside of the vacuum chamber 100 can be exhausted, and the vacuum container forms the vacuum chamber 100 on the inner wall.
- the evacuation mechanism may be a vacuum pump.
- the vacuum pump operates the vacuum pump to set a set pressure (for example, 1 ⁇ 10 ⁇ 4 Pa to 3 ⁇ in the vacuum chamber 100). Exhaust to about 10-2 Pa).
- a substrate holder is provided above the vacuum chamber 100.
- the substrate holder (that is, the substrate holding mechanism 101) is held so as to be rotatable about a vertical axis.
- the substrate holder is formed of a stainless steel member in a dome shape and is connected to an output shaft of a motor (moving mechanism).
- the bottom surface of the substrate holder is a substrate holding surface, and two or more substrates 300 are supported on the substrate holding surface during film formation.
- an opening is provided in the center of the substrate holder of the present embodiment, and a crystal monitor can be disposed here.
- the quartz monitor since the vapor deposition substance (deposition material of the film forming material) is attached to the surface, the resonance frequency changes. Based on the change in the resonance frequency, the film thickness detector detects the physical film thickness formed on the surface of the substrate 300. The detection result of the film thickness is sent to a control device (not shown).
- An electric heating device (heating means) is disposed above the vacuum chamber 100 so as to wrap the substrate holder from above.
- the temperature of the substrate holder is detected by a temperature sensor such as a thermocouple, and the result is sent to the control device.
- the control device controls the open / close state of a shutter of a vapor deposition source, which will be described later, based on the output from the film thickness detector, and suitably controls the film thickness of the film formed on the substrate 300. Further, the control device controls the electric heating device based on the output from the temperature sensor, and suitably manages the temperature of the substrate 300. Further, the control device manages the start and stop of operation of the vapor deposition source.
- a film forming mechanism 102 is disposed below the vacuum chamber 100.
- the film forming mechanism 102 may be a vapor deposition source.
- the deposition source is a resistance heating method (the resistance heating method may be a direct heating method, an indirect heating method, or the like).
- the vapor deposition source can be opened and closed at a position where the crucible having a concave groove for placing the film forming material on the upper part and the vapor deposited material (film forming material) released in the direction from the crucible to the substrate 300 are all blocked.
- Has a shutter The shutter is controlled to open and close by a command from the control device.
- the evaporation source is not limited to the resistance heating method, and may be an electron beam heating method evaporation source.
- the deposition source is an electron beam heating system
- the deposition source is provided with an electron gun and an electron that irradiates the film-forming material with an electron beam (e ⁇ ) and evaporates it, except that the same crucible and shutter as described above are provided.
- a gun power source (all not shown) may be provided.
- a thin film 301 that may have an (organic) silicon compound is applied (coated) on a substrate 300 after film formation.
- a thin film 301 is formed by a hydrolytic condensation reaction of a silicon compound described later on the film formation surface of the substrate 300 (the substrate 300 may be transparent), so that the thin film has water repellency and oil repellency.
- 301 for example, the thin film 301 may be an antifouling film.
- the antifouling film may include an oleophobic film, an oil repellent film, a hydrophobic film, etc.).
- the substrate 300 may be any material that can realize antifouling performance by using the thin film 301, and is not particularly limited in the present embodiment.
- the material of the substrate 300 may include at least one of glass, sapphire, aluminum, stainless steel, aluminum oxide, PET, polycarbonate (PC), and triacetyl cellulose film (TAC).
- the substrate 300 may be made of a transparent glass material, such as soda lime glass, borosilicate glass, or quartz glass (silica glass). Quartz glass can be employed as a common one.
- the resin examples include acrylic resins such as polymethyl methacrylate, aromatic polycarbonate resins such as carbonate of bisphenol A, and aromatic polyester resins such as polyethylene terephthalate (PET). Of these, PET is preferred. In addition, it is particularly preferable to use glass as the substrate 300 because the abrasion resistance of the glass generated after the treatment with the hydroxyl group-containing gas is remarkably improved as compared with the resin.
- the introduction mechanism 200 introduces (or feeds) a hydroxyl group-containing gas into the vacuum chamber 100 to form a hydroxyl group for film formation when the thin film 301 is formed on the film formation surface of the substrate 300.
- the film surface (thin film 301) that resists wear is formed.
- the introduction mechanism 200 is connected to the vacuum chamber 100 and feeds a hydroxyl group-containing gas into the vacuum chamber 100.
- the hydroxyl group-containing gas is a gas containing a hydroxyl radical in a vaporized state.
- the hydroxyl group-containing gas may include at least one of water and alcohol in a gaseous state.
- alcohol may be a general term for materials having an OH group (for example, methanol, ethanol, isopropanol).
- the hydroxyl group-containing gas may be an alcohol in a gaseous state.
- the introduction mechanism 200 can introduce two or more hydroxyl group-containing gases.
- the gas introduced by the introduction mechanism 200 may be a mixed gas of water vapor, ethanol, or other alcohol gas, or a mixed gas formed by mixing a plurality of types of alcohol gas.
- the hydroxyl group-containing gas is preferably water vapor.
- the vacuum valve 203 is provided in the pipe 204 and controls conduction and closing of the pipe 204. By opening and closing the vacuum valve 203, the introduction of the hydroxyl group-containing gas into the vacuum chamber 100 can be controlled.
- the vacuum valve 203 can control the transfer rate of the hydroxyl group-containing gas by controlling the size of the opening.
- the introduction direction of the hydroxyl group-containing gas may be a direction facing or facing the direction of the film formation surface of the substrate 300.
- the film formation surface of the substrate 300 is directed downward in the direction of gravity, it is preferable that the direction in which the hydroxyl group-containing gas enters the vacuum chamber 100 (introduction direction) is introduced upward.
- the substrate 300 and its film formation surface are positioned so that the introduction direction of the hydroxyl group-containing gas is upwind with respect to the substrate 300 and its film formation surface.
- the introduction mechanism 200 in the present embodiment is not limited to the above structure. In the present embodiment, the introduction mechanism 200 only needs to be able to introduce a hydroxyl group-containing gas into the vacuum chamber 100.
- the introduction mechanism 200 can introduce a hydroxyl group-containing gas into the vacuum chamber 100 during or after film formation by the film forming mechanism 102.
- the hydroxyl group-containing gas may be introduced into the vacuum chamber 100 during or after the film formation.
- the introduction mechanism 200 introduces (or feeds) a hydroxyl group-containing gas into the vacuum chamber 100 in this step.
- the coating start or coating end of the thin film 301 is not directly related to the introduction start or introduction end of the hydroxyl group-containing gas.
- the introduction mechanism 200 includes a hydroxyl group in the vacuum chamber 100 during film formation. What is necessary is just to introduce gas.
- the introduction start time of the introduction mechanism 200 may be earlier than the coating end time of the thin film 301.
- the introduction mechanism 200 can introduce (or send in) a hydroxyl group-containing gas into the vacuum chamber 100 in this step.
- the coating start or coating end of the thin film 301 is not directly related to the introduction start or introduction end of the hydroxyl group-containing gas.
- the introduction mechanism 200 is placed in the vacuum chamber 100 after the film formation. Can be introduced.
- the introduction end time of the introduction mechanism 200 only needs to be later than the coating end time of the thin film 301.
- the film forming apparatus may be further provided with a moving mechanism.
- This moving mechanism moves the substrate holding mechanism 101 in the vacuum chamber 100 so that the hydroxyl group-containing gas can be intermittently supplied to the substrate 300 twice or more.
- the hydroxyl group-containing gas since the hydroxyl group-containing gas is consumed in the film formation step, the hydroxyl group-containing gas may be introduced without interruption in the film formation step so that many hydroxyl groups are maintained in the vacuum chamber 100. In the film forming step, the hydroxyl group-containing gas may be intermittently introduced, and is not particularly limited in the present embodiment.
- the film formation process is performed immediately after the gas pre-supply process.
- the process proceeds from the gas pre-feed process to the film forming process without interruption.
- the film forming process is performed immediately after the gas pre-supply process, and no other process exists between the two processes.
- the film-forming quality of the thin film 301 can be ensured by suitably utilizing the hydroxyl environment formed in the vacuum chamber 100 by the gas pre-supplying step.
- the density of hydroxyl groups on the film formation surface is increased. Accordingly, the adhesion between the film formation surface and the thin film 301 can be improved, the wiping operation can be repeated repeatedly, the wear resistance is high, and the substrate 300 having an antifouling film can be obtained.
- the adhesion (adhesion) of the thin film also increases. Furthermore, the chemical quality (corrosion resistance) and UV resistance (ultraviolet resistance) of the thin film Contributes to improvement.
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- Physical Vapour Deposition (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
本出願は、2017年4月10日に出願された中国特許出願の201710229298.7に基づく優先権を主張するものであり、文献の参照による組み込みが認められる指定国については、上記の出願に記載された内容を参照により本出願に組み込み、本出願の記載の一部とする。
[2]本発明に係る成膜装置は、真空チャンバーと、前記真空チャンバーに接続され、排気する排気機構と、前記真空チャンバー内にて基板を保持するための基板保持機構と、前記真空チャンバー内に配置される成膜機構と、前記真空チャンバーに接続され、前記成膜機構による成膜後に前記真空チャンバー内に水酸基含有気体を導入可能な導入機構と、を含む。
[3]本発明に係る成膜装置は、真空チャンバーと、前記真空チャンバーに接続され、排気する排気機構と、前記真空チャンバー内にて基板を保持するための基板保持機構と、前記真空チャンバー内に配置される成膜機構と、前記真空チャンバーに接続され、前記基板に水酸基含有気体を導入可能な導入機構と、前記真空チャンバー内の基板保持機構を移動させることで前記基板に水酸基含有気体を間欠的に2回以上供給可能にさせる移動機構と、を含む。
[4]本発明に係る成膜装置において、前記水酸基含有気体は、気体状態にある、水、アルコールの内の少なくとも1種類を含んでもよい。
[5]本発明に係る成膜装置において、前記導入機構は、2種以上の水酸基含有気体を導入可能としてもよい。
[6]本発明に係る成膜装置において、前記導入機構は、水を気化可能な気化装置を含み、前記気化装置に、真空バルブが設けられる配管を介して前記真空チャンバーが接続されてもよい。
[7]本発明に係る成膜装置において、前記配管にガス流量計が設けられてもよい。
[8]本発明に係る成膜装置において、前記ガス流量計は、前記真空バルブと前記気化装置の間に設置されてもよい。
[9]本発明に係る成膜装置において、前記配管の一端は、前記真空チャンバーの下部に挿通されもよい。
[10]本発明に係る成膜装置において、前記薄膜は、防汚フィルム又は硬質膜を含んでもよい。
[11]本発明に係る成膜方法は、真空チャンバー内に水酸基含有気体を導入するガス供給工程と、基板上に薄膜を成膜する成膜工程と、を含み、前記ガス供給工程と前記成膜工程は同時に行われる。
[12]本発明に係る成膜方法は、真空チャンバー内に水酸基含有気体を導入するガス供給工程と、基板に薄膜を成膜する成膜工程と、を含み、前記ガス供給工程は前記成膜工程の後に行われる。
[13]本発明に係る成膜方法は、基板を移動させることで、基板に水酸基含有気体を間欠的に供給するガス供給工程と、基板に薄膜を成膜する成膜工程と、を含んでもよい。
[14]本発明に係る成膜方法は、前記成膜工程の前に、真空チャンバー内に水酸基含有気体を導入するガス予供給工程を更に含んでもよい。
[15]本発明に係る成膜方法において、前記水酸基含有気体は、水蒸気、アルコールの内の少なくとも1種のガスを含んでもよい。
[16]本発明に係る成膜方法において、2種以上の水酸基含有気体を導入してもよい。
[17]本発明に係る成膜方法において、前記ガス供給工程では真空チャンバー内に水酸基含有気体を第1の設定圧力P1まで導入し、前記第1の設定圧力P1は1×10-3Pa≦P1<1×105Paに設定されてもよい。
[18]本発明に係る成膜方法において、前記ガス予供給工程では真空チャンバー内に水酸基含有気体を第2の設定圧力P2まで導入し、前記第2の設定圧力P2は1×10-3Pa≦P2≦2×104Paに設定されてもよい。
[19]本発明に係る成膜方法において、前記ガス予供給工程の直接に前記成膜工程を行ってもよい。
[20]本発明に係る成膜方法において、ガス供給工程では、前記水酸基含有気体を導入する時間(t)はt≦60minとしてもよい。
[21]本発明に係る成膜方法において、ガス予供給工程において、前記水酸基含有気体を導入する時間(t)はt≦60minとしてもよい。
[22]本発明に係る成膜方法において、前記水酸基含有気体を導入する速度は1~10000sccmとしてもよい。
[23]本発明に係る成膜方法は、前記ガス予供給工程の前、基板上に二酸化ケイ素の成膜を行う二酸化ケイ素成膜工程を含んでもよい。
[24]本発明に係る成膜方法において、前記水酸基含有気体は水蒸気を含んでもよい。
[25]本発明に係る成膜方法において、前記基板の材料は、ガラス、サファイア、アルミニウム、ステンレススチール、酸化アルミニウム、PET、ポリカーボネート(PC)、トリアセチルセルロースフィルム(TAC)の内の少なくとも1種を含んでもよい。
[26]本発明に係る成膜方法において、前記薄膜は、防汚フィルム又は硬質膜を含んでもよい。
基板300を上記実施形態によって成膜処理を行い、薄膜301を有する基板300(実施例)が得られた。同様の基板を成膜工程のみによって成膜処理を行い、薄膜301を有する基板300(比較例)が得られた。そして、実施例の薄膜301を有する基板300と、比較例の薄膜301を有する基板300とに対して、耐摩耗性試験を行った。
結果は下記の表に示される。
101…基板保持機構
200…導入機構
201…気化装置
202…ガス流量計
203…真空バルブ
204…配管
300…基板
301…薄膜
Claims (26)
- 薄膜形成用の成膜装置であって、
真空チャンバーと、
前記真空チャンバーに接続され、排気する排気機構と、
前記真空チャンバー内にて基板を保持する基板保持機構と、
前記真空チャンバー内に配置される成膜機構と、
前記真空チャンバーに接続され、前記成膜機構による成膜中に前記真空チャンバー内に水酸基含有気体を導入可能な導入機構と、を含むことを特徴とする成膜装置。 - 薄膜形成用の成膜装置であって、
真空チャンバーと、
前記真空チャンバーに接続され、排気する排気機構と、
前記真空チャンバー内にて基板を保持する基板保持機構と、
前記真空チャンバー内に配置される成膜機構と、
前記真空チャンバーに接続され、前記成膜機構による成膜後に前記真空チャンバー内に水酸基含有気体を導入可能な導入機構と、を含むことを特徴とする成膜装置。 - 薄膜形成用の成膜装置であって、
真空チャンバーと、
前記真空チャンバーに接続され、排気する排気機構と、
前記真空チャンバー内にて基板を保持する基板保持機構と、
前記真空チャンバー内に配置される成膜機構と、
前記真空チャンバーに接続され、前記基板に水酸基含有気体を導入可能な導入機構と、
前記真空チャンバー内の基板保持機構を移動させることで前記基板に水酸基含有気体を間欠的に2回以上供給可能にする移動機構と、を含むことを特徴とする成膜装置。 - 前記水酸基含有気体は、気体状態にある、水、アルコールの内の少なくとも1種類を含むことを特徴とする請求項1~3のいずれか1項に記載の成膜装置。
- 前記導入機構は、2種以上の水酸基含有気体を導入可能であることを特徴とする請求項4に記載の成膜装置。
- 前記導入機構は、水を気化可能な気化装置を含み、前記気化装置に、真空バルブが設けられる配管を介して前記真空チャンバーが接続されることを特徴とする請求項1~3のいずれか1項に記載の成膜装置。
- 前記配管にガス流量計が設けられることを特徴とする請求項6に記載の成膜装置。
- 前記ガス流量計は、前記真空バルブと前記気化装置の間に設置されることを特徴とする請求項7に記載の成膜装置。
- 前記配管の一端は、前記真空チャンバーの下部に挿通することを特徴とする請求項8に記載の成膜装置。
- 薄膜は、防汚フィルム又は硬質膜を含むことを特徴とする請求項1~3のいずれか1項に記載の成膜装置。
- 真空チャンバー内に水酸基含有気体を導入するガス供給工程と、
基板上に薄膜を成膜する成膜工程と、を含み、
前記ガス供給工程と前記成膜工程は同時に行われることを特徴とする成膜方法。 - 真空チャンバー内に水酸基含有気体を導入するガス供給工程と、
基板に薄膜を成膜する成膜工程と、を含み、
前記ガス供給工程は前記成膜工程の後に行われることを特徴とする成膜方法。 - 基板を移動させることで、基板に水酸基含有気体を間欠的に供給するガス供給工程と、
基板に薄膜を成膜する成膜工程と、を含むことを特徴とする成膜方法。 - 前記成膜工程の前に、真空チャンバー内に水酸基含有気体を予め導入するガス予供給工程を含むことを特徴とする請求項11~13のいずれか1項に記載の方法。
- 前記水酸基含有気体は、水蒸気、アルコールの内の少なくとも1種のガスを含むことを特徴とする請求項11~13のいずれか1項に記載の方法。
- 前記ガス供給工程において、2種以上の水酸基含有気体を導入することを特徴とする請求項15に記載の方法。
- 前記ガス供給工程において、真空チャンバー内に水酸基含有気体を第1の設定圧力P1まで導入し、前記第1の設定圧力P1は1×10-3Pa≦P1<1×105Paであることを特徴とする請求項11~13のいずれか1項に記載の方法。
- 前記ガス予供給工程において、真空チャンバー内に水酸基含有気体を第2の設定圧力P2まで導入し、前記第2の設定圧力P2は1×10-3Pa≦P2≦2×104Paであることを特徴とする請求項14に記載の方法。
- 前記ガス予供給工程の直後に前記成膜工程を行うことを特徴とする請求項18に記載の方法。
- 前記ガス供給工程において、前記水酸基含有気体を導入する時間(t)はt≦60minであることを特徴とする請求項11~13のいずれか1項に記載の方法。
- 前記ガス予供給工程において、前記水酸基含有気体を導入する時間(t)はt≦60minであることを特徴とする請求項14に記載の方法。
- 前記水酸基含有気体を導入する速度は1~10000sccmであることを特徴とする請求項11~13のいずれか1項に記載の方法。
- 前記ガス予供給工程の前、基板上に二酸化ケイ素の成膜を行う二酸化ケイ素成膜工程を含むことを特徴とする請求項14に記載の方法。
- 前記水酸基含有気体は水蒸気であることを特徴とする請求項11~13のいずれか1項に記載の方法。
- 基板の材料は、ガラス、サファイア、アルミニウム、ステンレススチール、酸化アルミニウム、PET、ポリカーボネート(PC)、トリアセチルセルロースフィルム(TAC)の内の少なくとも1種を含むことを特徴とする請求項11~13のいずれか1項に記載の方法。
- 前記薄膜は、防汚フィルム又は硬質膜を含むことを特徴とする請求項11~13のいずれか1項に記載の方法。
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JPH04143277A (ja) * | 1990-10-05 | 1992-05-18 | Fujitsu Ltd | 水蒸気供給方法及び水蒸気供給装置 |
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JP2010090454A (ja) | 2008-10-09 | 2010-04-22 | Shincron:Kk | 成膜方法 |
JP2012254579A (ja) * | 2011-06-09 | 2012-12-27 | Oike Ind Co Ltd | ガスバリアフィルムの製造方法及びガスバリアフィルム |
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