WO2006057353A1 - 薄膜形成方法、蒸着源基板およびその製造方法 - Google Patents
薄膜形成方法、蒸着源基板およびその製造方法 Download PDFInfo
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- WO2006057353A1 WO2006057353A1 PCT/JP2005/021718 JP2005021718W WO2006057353A1 WO 2006057353 A1 WO2006057353 A1 WO 2006057353A1 JP 2005021718 W JP2005021718 W JP 2005021718W WO 2006057353 A1 WO2006057353 A1 WO 2006057353A1
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- thin film
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Classifications
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/04—Coating on selected surface areas, e.g. using masks
-
- 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
- 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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/60—Forming conductive regions or layers, e.g. electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K10/00—Organic devices specially adapted for rectifying, amplifying, oscillating or switching; Organic capacitors or resistors having potential barriers
- H10K10/40—Organic transistors
- H10K10/46—Field-effect transistors, e.g. organic thin-film transistors [OTFT]
- H10K10/462—Insulated gate field-effect transistors [IGFETs]
- H10K10/466—Lateral bottom-gate IGFETs comprising only a single gate
Definitions
- the present invention relates to a method for forming a thin film by vapor deposition, a vapor deposition source substrate used in this method, and a method for manufacturing the same.
- a thin film of an organic material is formed on a substrate such as a glass substrate or a silicon substrate.
- a vacuum deposition method is generally applied to the formation of this thin film.
- FIG. 26 is an illustrative view showing a configuration for forming a thin film by a normal vacuum deposition method.
- a vapor deposition source 2 is disposed in the vacuum chamber L, and a substrate 3 on which a thin film is to be formed is disposed so as to face the vapor deposition source 2.
- a mask (shadow mask) 4 is disposed between the substrate 3 and the vapor deposition source 2.
- the mask 4 has an opening 5 corresponding to a thin film pattern to be formed on the substrate 3.
- the material molecules that evaporate in the evaporation source 2 and fly toward the substrate 3 through the openings 3 reach the surface of the substrate 3 through the openings 5 and adhere to the substrate 3 to form a pattern of the thin film 6.
- Patent Document 1 Japanese Patent Laid-Open No. 2002-241923
- the substrate 3 and the mask 4 are arranged as close as possible, and the distance between the substrate 3 and the mask 4 and the vapor deposition source 2 is reduced. It should be taken as long as possible (eg 15 cm to lm). Therefore, the size of vacuum chamber 1 Inevitably grows.
- a vacuum chamber 1 as a high vacuum state for example 10- 5 to 10-7 Pa, the gas molecules It is necessary to set the condition that the mean free path is sufficiently long.
- Saraku also has a problem when gas molecules flying from the vapor deposition source 2 are trapped in the mask 4 and block the opening 5, resulting in V, a so-called mask clogging 7.
- gas molecules generated from the deposition source 2 do not necessarily reach the surface of the substrate 3, they also reach the inner wall of the vacuum chamber 1, which causes a problem that the inside of the vacuum chamber 1 is significantly contaminated. .
- an object of the present invention is to solve the above-described technical problem as an example, and to provide a thin film forming method capable of forming a thin film on a substrate with a simple configuration. It is.
- Another object of the present invention is to provide a vapor deposition source substrate for the thin film forming method and a method for manufacturing the same.
- the invention according to claim 1 for achieving the above object is a method of forming a thin film of the film material by vapor-depositing a predetermined film material on a thin film forming surface of a substrate to be vapor-deposited.
- the thin film formation surface of the deposition substrate and the material supply surface of the supply substrate carrying the film material on the material supply surface are the film material on the supply substrate and the thin film formation surface of the deposition substrate.
- the film on the material supply surface in a state in which a predetermined gap is secured therebetween and the supply substrate and the deposition target substrate are arranged to face each other in the close arrangement process.
- a thin film forming method including a vapor deposition step (proximity vapor deposition step). “Nearly opposed arrangement” includes both the case where the thin film forming surface and the material supply surface are in contact with each other, and the case where a minute gap is opened between them.
- the film material on the material supply surface is evaporated in a state where the thin film formation surface of the deposition target substrate and the material supply surface of the supply substrate are arranged to face each other, thereby causing the gas molecules and
- the formed film material is transported to the thin film forming surface, and a thin film is formed on the thin film forming surface.
- the film material is transported from each region where the film material is formed on the material supply surface to each opposed region of the thin film forming surface facing the material material surface.
- a good thin film can be formed on the thin film forming surface of the deposition substrate without increasing the distance between the deposition substrate and the supply substrate.
- the thin film formation surface and the material supply surface are arranged close to each other, the film material evaporated from the material supply surface easily reaches the thin film formation surface. Therefore, it is not necessary to perform the vapor deposition process in a high vacuum atmosphere.
- a thin film can be formed on the thin film forming surface of the evaporation target substrate without requiring expensive equipment for forming a high vacuum space.
- the vapor deposition process does not need to be performed in a high vacuum atmosphere. For example, it is sufficient if it is performed in a low vacuum space of about 1 to 10 Pa. Also, low molecular weight organic materials can be deposited under atmospheric pressure.
- the film material to be deposited on the deposition target substrate can be distributed on the material supply surface of the supply substrate, a deposition source having substantially no directivity can be configured. As a result, a thin film having a uniform thickness can be formed on the thin film forming surface.
- the deposition target substrate has a large area, it is only necessary to form the supply substrate in a large area accordingly, so that the formation of a thin film on the large area thin film formation surface can be realized. it can.
- the gap between the film material on the supply substrate and the thin film forming surface is 100 times the mean free path of the film material evaporated from the supply substrate.
- the gap between the film material on the supply substrate and the thin film forming surface is an average of the evaporated film material. If it is less than 10 times the free path, it is more preferable if it is less than the preferred average free path. More specifically, the gap is preferably 10 mm or less, more preferably 1 mm or less, and even more preferably 100 ⁇ m or less.
- the temperature of the deposition substrate is preferably set lower than the temperature of the supply substrate (for example, a temperature difference of about 50 ° C.). This makes it easier for the film to grow on the thin film formation surface of the lower temperature deposition substrate, and the deposition efficiency can be increased. By providing a temperature gradient in this way, film formation in the atmosphere is possible.
- the temperature of the supply substrate can be surely made higher than that of the deposition substrate by placing the supply substrate near a heat source or incorporating a heating means (heater) in the supply substrate. It can.
- a micro heater made of MEMS (Micro Electro Mechanical Systems) can be placed near the film material carried on the supply substrate, or a heating resistor can be placed near the film material on the supply substrate.
- the temperature may be higher than that of the deposition substrate.
- the supply substrate may be heated by induction heating, thereby causing evaporation of the film material and keeping the deposition target substrate at a lower temperature than the supply substrate. In the case of induction heating, there is an advantage that the temperature of the supply substrate can be increased without bringing a heat source into contact with or built in the supply substrate.
- a cooling mechanism may be attached to the deposition target substrate in order to create a temperature difference between the deposition target substrate and the supply substrate.
- a cooling mechanism include a Peltier element and a helium chuck.
- the deposition substrate may be cooled with cooling water.
- by selectively cooling only a partial region of the deposition substrate it is possible to selectively attach the film material to the region.
- the film material is arranged on the material supply surface of the supply substrate in a pattern corresponding to the thin film pattern to be formed on the thin film formation surface of the deposition target substrate.
- the film material is patterned on the material supply surface of the supply substrate, when evaporation is performed on the thin film formation surface of the deposition target substrate by evaporation from the film material, the pattern of the film material is obtained. A thin film pattern corresponding to is obtained. This requires a vapor deposition mask A thin film can be patterned on the thin film forming surface of the deposition target substrate. Of course, complicated patterning processes such as photolithography are not required.
- a concave portion having a pattern corresponding to a thin film pattern to be formed on the thin film forming surface of the deposition target substrate is formed on the material supply surface of the supply substrate.
- a recess is formed in the material supply surface of the supply substrate, and a thin film material is disposed in the recess. Therefore, the material supply surface and the thin film forming surface can be brought into close proximity with each other or with each other.
- the recess may be formed by etching the material supply surface force supply substrate, or the supply substrate is formed of a plurality of layers, and an opening is formed in at least one layer on the material supply surface side. This may be a recess.
- the invention according to claim 5 is characterized in that, in the opposing arrangement step, a substantially closed local closed space is defined by the recess and the thin film forming surface of the deposition target substrate. 5.
- a thin film is formed on the thin film forming surface between the thin film forming surface of the deposition target substrate and the material supply surface of the supply substrate. 2.
- a substantially closed local closed space is defined facing the region to be formed.
- evaporation of the film material occurs in a substantially sealed space, and this film material is deposited on the thin film forming surface of the evaporation target substrate. Therefore, efficient evaporation is possible.
- a thin film having a fine pattern can be formed on the thin film forming surface.
- the invention according to claim 7 is the thin film forming method according to claim 1, wherein an elastically deformable layer is interposed between the deposition target substrate and the supply substrate in the facing arrangement step. It is.
- an opening is formed in the elastic deformation layer so as not to hinder the transport of the liquid molecules of the film material from the supply substrate to the deposition target substrate. As a result, movement of film material molecules occurs in the sealed space, so that the thin film can be efficiently grown on the thin film forming surface of the evaporation target substrate.
- the opening formed in the elastically deformable layer is preferably formed in a pattern corresponding to the pattern of the thin film to be formed in the deposition target substrate.
- the material of the elastically deformable layer preferably has a melting point (eg, 330 ° C) that is equal to or higher than the substrate temperature in the vapor deposition step.
- the elastic deformation layer is preferably an insulating material card.
- the substrate to be deposited may be a substrate having flexibility (for example, a flexible substrate).
- the deposition target substrate and the supply substrate can be easily brought into close contact without requiring an elastically deformable layer.
- the deposition substrate is flexible, a flexible device can be manufactured.
- the invention according to claim 8 is characterized in that, in the vapor deposition step, the temperature of the deposition target substrate is maintained at a lower temperature than the temperature of the supply substrate. Is the law.
- the invention according to claim 9 is the thin film forming method according to claim 1, wherein in the vapor deposition step, a heat insulating layer is interposed between the deposition target substrate and the supply substrate.
- a temperature gradient can be easily formed between the deposition target substrate and the supply substrate, thereby enabling efficient deposition processing.
- the heat insulating layer is preferably made of a material having a lower thermal conductivity than the substrate to be deposited (for example, a material having a thermal conductivity of 100 W • m ⁇ K— 1 or less). Alternatively, glass or the like can be used as a constituent material. Further, a thick film such as silicon oxide can be formed on the surface of either the deposition substrate or the supply substrate and used as a heat insulating layer. [0037] The heat insulating layer may be integrated with the deposition target substrate or the supply substrate by applying a heat insulating material or attaching a heat insulating layer member thereto.
- an underlayer may be formed on the thin film forming surface before the vapor deposition step.
- an organic material is used as a film material and an organic thin film is formed on a thin film forming surface
- an organic base film is formed on the thin film forming surface in advance, so that thin film formation by vapor deposition can proceed efficiently.
- the underlayer can be formed by a date method or a spin coating method.
- the facing arrangement step and the vapor deposition step are performed using the first supply substrate carrying the first film material on the material supply surface, and then the second film 2.
- first film material and the second film material may be the same material or different materials.
- first film material and the second film material may be arranged on the material supply surface of each supply substrate in different patterns, or may be arranged on the material supply surface of each supply substrate in the same pattern. .
- the supply substrate carries two or more types of film materials on the material supply surface
- the vapor deposition step includes two or more types of films on the material supply surface.
- the thin film forming method according to claim 1, comprising a step of simultaneously vapor-depositing the material on the thin film forming surface.
- the invention according to claim 12 is the thin film forming method according to claim 11, wherein the mixture of the two or more kinds of film materials is supported on the material supply surface.
- a thin film of the mixture can be formed on the thin film forming surface of the deposition target substrate. If the mixture ratio of the mixture to be supported on the material supply surface is set to a predetermined value in advance, a constant composition ratio can be easily obtained. It is possible to deposit a mixture thin film.
- the invention according to claim 13 is the thin film forming method according to claim 11, wherein the two or more kinds of film materials are arranged in different regions of the material supply surface.
- the first film material is arranged in the first region of the supply substrate, and the second film material is arranged in the second region of the material supply surface of the supply substrate.
- the temperature of the region may be individually controlled.
- a recess for arranging the film material is formed on the material supply surface of the supply substrate, the distance between the film material and the deposition target substrate is adjusted according to the decrease in the film material in the recess.
- a deformable layer having a variable thickness for example, an elastically deformable layer made of fluorine resin
- the depth of the recess may be adjusted.
- a movable mechanism having a micromachine force using a piezo element or the like may be provided so that the depth of the recess can be adjusted.
- the invention according to claim 14 irradiates the thin film deposited on the deposition target substrate from the surface opposite to the thin film formation surface of the deposition target substrate with light transmitted through the deposition target substrate.
- light for causing a photopolymerization reaction can be supplied to the thin film deposited on the deposition substrate.
- the vapor deposition film can be polymerized and its durability can be enhanced.
- the step of irradiating the thin film with light is performed in parallel with the vapor deposition step, the photopolymerization reaction can proceed simultaneously with the vapor deposition.
- the thin film formation surface of the substrate to be deposited in the vapor deposition step, is in a horizontal posture facing upward, and the material supply surface of the supply substrate is horizontally directed downward. 2.
- the substrate to be deposited can be subjected to the deposition process in a horizontal posture with the thin film formation surface facing upward. As a result, it is not necessary to invert the deposition substrate so that the thin film formation surface is directed downward, and the transporting process of the deposition substrate is simplified.
- the vapor deposition step has a horizontal posture in which the thin film forming surface of the deposition target substrate is directed downward, and the material supply surface of the supply substrate is oriented in a horizontal posture upward. 2.
- the thin film material can be supplied onto the supply substrate in a liquid state, for example. More specifically, for example, an organic material is dissolved in an organic solvent and supplied (for example, dropped) onto a material supply surface (for example, in a recess formed on the material supply surface), so that the film material is Can be supplied to the material supply surface.
- the invention according to claim 17 is a vapor deposition source substrate serving as a vapor deposition source for supplying a predetermined film material as a gas molecule to a thin film forming surface of the vapor deposition substrate, wherein the thin film of the vapor deposition substrate A deposition source substrate, wherein the film material is arranged in a pattern corresponding to a thin film pattern to be formed on a thin film formation surface of the deposition target substrate on a material supply surface to be opposed to the formation surface.
- This evaporation source substrate can be used as a supply substrate in the above-described thin film forming method.
- the invention of claim 18 is characterized in that a concave portion of a pattern corresponding to the thin film pattern is formed on the material supply surface, and the film material is arranged in the concave portion.
- the vapor deposition source substrate according to claim 17. By using this vapor deposition source substrate in close proximity to the vapor deposition substrate, a local closed space can be formed on the thin film formation surface of the vapor deposition substrate, and vapor deposition can proceed efficiently in this space.
- the invention according to claim 19 is a vapor deposition source substrate that should constitute a vapor deposition source for supplying a predetermined film material as a gas molecule to a thin film forming surface of the vapor deposition substrate.
- the material supply surface to be opposed to the thin film forming surface has a recess where the film material can be arranged, and this recess corresponds to the thin film pattern to be formed on the thin film forming surface of the substrate to be deposited.
- An evaporation source substrate is formed in a pattern to be formed. Said The vapor deposition source substrate according to claim 18 is obtained by disposing a film material in the recess.
- the invention according to claim 20 is the vapor deposition source substrate according to claim 17, further comprising a heat insulating layer disposed on the material supply surface.
- the invention according to claim 21 is the vapor deposition source substrate according to claim 17, further comprising an elastic deformation layer disposed on the material supply surface.
- the invention according to claim 22 is the vapor deposition source substrate according to claim 17, wherein heating means for heating and evaporating the film material is incorporated. According to this configuration, the film material can be heated and vaporized by the heating means, and the vapor deposition process can be performed without requiring a separate heating means.
- the invention according to claim 23 is the vapor deposition source substrate according to claim 17, characterized in that it is made of a material capable of induction heating. According to this configuration, the film material can be heated and vaporized by placing the vapor deposition source substrate close to the induction heating source. That is, for example, the deposition source substrate can be heated in a non-contact manner.
- the invention according to claim 24 is the vapor deposition source substrate according to claim 17, characterized in that it is made of a material that is transparent to light of a predetermined wavelength.
- the film material is applied from the surface opposite to the material supply surface of the vapor deposition source substrate by the light of the predetermined wavelength.
- This film material can be altered by exposure. For example, if a light-shielding mask having a predetermined pattern is formed on the opposite surface, the film material can be selectively exposed and patterned.
- the invention according to claim 25 is a method for producing a deposition source substrate which is a deposition source for supplying a predetermined film material as a gas molecule to a thin film forming surface of a deposition target substrate, The thin film of the vapor deposition substrate is placed on the material supply surface to be opposed to the thin film formation surface of the vapor deposition substrate.
- a method for manufacturing a vapor deposition source substrate comprising the step of arranging the film material in a pattern corresponding to a thin film pattern to be formed on a formation surface. As a result, a vapor deposition source substrate for forming a thin film pattern opposite to the vapor deposition substrate can be obtained.
- the invention described in claim 26 is a method for producing a deposition source substrate which is a deposition source for supplying a predetermined film material as gas molecules to a thin film forming surface of a deposition target substrate, Forming a recess with a pattern corresponding to the thin film pattern to be formed on the thin film formation surface of the deposition substrate on the material supply surface to be opposed to the thin film formation surface of the deposition substrate; and And a step of disposing a film material.
- a deposition source substrate which is a deposition source for supplying a predetermined film material as gas molecules to a thin film forming surface of a deposition target substrate, Forming a recess with a pattern corresponding to the thin film pattern to be formed on the thin film formation surface of the deposition substrate on the material supply surface to be opposed to the thin film formation surface of the deposition substrate; and And a step of disposing a film material.
- the step of disposing the film material includes a step of supplying (for example, dropping) a solution in which the film material is dissolved in a predetermined solvent into the recess.
- the invention according to claim 28 is characterized in that the step of disposing the film material includes a step of disposing a granular film material having a size capable of entering the recess into the recess.
- the method for producing a vapor deposition source substrate according to claim 26 the film material can be placed in the recess very easily. Specifically, for example, if the granular film material is supplied to the entire surface of the material supply surface and then the granular film material outside the recess is shaken off, the film material will remain only in the recess.
- the step of arranging the film material includes a step of covering a region outside the recess of the material supply surface with a mask member, and a step of supplying the film material to the entire material supply surface 27.
- a supply port for supplying a film material may be formed on the side opposite to the material supply surface of the supply substrate. This facilitates the supply of the film material to the material supply surface (for example, in a recess formed in the material supply surface).
- the film material is formed on the entire surface of the material supply surface of the supply substrate by vapor deposition or coating, and then the unnecessary portion of the film material is etched. If you remove it.
- the wettability on the material supply surface is selectively adjusted, when the film material is formed on the material supply surface in a solution state, the film is formed in a certain pattern according to the adjusted wettability.
- the material can be placed on the material supply surface. For example, when a concave portion is formed on the material supply surface, if the wettability of the inner wall surface of the concave portion is increased, when the film material is supplied in a solution state, adhesion of the film material outside the concave portion is prevented. It can be effectively prevented or suppressed.
- the coating film material outside the recess may be physically removed.
- unnecessary film material can be quickly removed from the material supply surface outside the recess.
- polishing after depositing a film material on the entire surface of the material supply surface, remove unnecessary film material outside the recesses by polishing.
- the supply substrate is formed in, for example, a long band shape, and can be accommodated by winding it in a roll shape. That is, it is possible to carry out the vapor deposition process (film formation process) on the deposition target substrate one after another while pulling out the supply substrate.
- the plurality of deposition substrates are A substrate holding device equipped with an electromagnetic device or the like may be placed in close proximity to the supply substrate one by one in order.
- the film material to be vapor-deposited may be an organic material (organic semiconductor material) as described above, and may be a metal as long as it has a lower melting point (sublimation temperature) than the supply substrate or the vapor deposition substrate. It may be a material. Even if the film material has a higher melting point than the substrate material, If it is in the state of being covered with a coating film, vapor deposition is possible.
- FIG. 1 is an illustrative view for explaining a thin film forming method according to an embodiment of the present invention.
- FIG. 2 is a schematic plan view of a substrate to be deposited with a thin film pattern formed thereon.
- FIG. 3 is an illustrative view showing, in an enlarged manner, the configuration in the vicinity of the recess of the supply substrate.
- FIG. 41 is an illustrative view showing the state of aggregation and desorption of gas molecules in the membrane material (when the degree of supersaturation ⁇ is relatively low).
- Fig. 42 is an illustrative view showing the state of aggregation and desorption of gas molecules in the membrane material (when the degree of supersaturation ⁇ is relatively high).
- FIG. 5 is a graph showing the relationship between the mean free path of nitrogen gas and the pressure.
- FIG. 6 is a graph showing the relationship between the mean free path of gas molecules of the membrane material and the pressure.
- FIG. 7 is an illustrative view showing a more specific method of forming a thin film on a thin film forming surface of a substrate to be deposited in order of steps.
- FIG. 8 is a cross-sectional view schematically showing the structure of a field effect transistor (FET) using a 3 ⁇ thin film as a semiconductor active layer.
- FET field effect transistor
- FIG. 9 is a diagram showing an example of measurement results of the characteristics of the FET shown in FIG.
- FIG. 10 is a diagram showing characteristics when a FET having a similar structure is formed by a normal vacuum evaporation method.
- FIG. 11 is a schematic cross-sectional view showing another specific process for forming a thin film.
- Fig. 12-1 shows the characteristics (drain voltage-drain current) of FETs using the ⁇ 3 ⁇ thin film formed in accordance with the process of Fig. 11 ( ⁇ 3 ⁇ solution dripping amount: about 51) as the semiconductor active layer.
- FIG. 12-1 shows the characteristics (drain voltage-drain current) of FETs using the ⁇ 3 ⁇ thin film formed in accordance with the process of Fig. 11 ( ⁇ 3 ⁇ solution dripping amount: about 51) as the semiconductor active layer.
- FIG. 12-2 shows the characteristics (gate voltage-drain current) of FETs using the ⁇ 3 ⁇ thin film formed in accordance with the process of Fig. 11 ( ⁇ 3 ⁇ solution dripping amount: about 51) as the semiconductor active layer.
- FIG. 13-1 shows the FET characteristics (drain voltage-drain current) using the P3T thin film formed in accordance with the process of Fig. 11 (P3T solution dripping amount: about 50 1) as the semiconductor active layer.
- FIG. 12-2 shows the characteristics (gate voltage-drain current) of FETs using the ⁇ 3 ⁇ thin film formed in accordance with the process of Fig. 11 ( ⁇ 3 ⁇ solution dripping amount: about 51) as the semiconductor active layer.
- FIG. 13-1 shows the FET characteristics (drain voltage-drain current) using the P3T thin film formed in accordance with the process of Fig. 11 (P3T solution dripping amount: about 50 1) as the semiconductor active layer.
- Fig. 13-2 shows the FET characteristics (gate voltage-drain current) using the P3T thin film formed according to the process of Fig. 11 (P3T solution dripping amount: about 50 1) as the semiconductor active layer.
- FIG. 13-2 shows the FET characteristics (gate voltage-drain current) using the P3T thin film formed according to the process of Fig. 11 (P3T solution dripping amount: about 50 1) as the semiconductor active layer.
- FIG. 14 is a schematic cross-sectional view for explaining still another specific example of the thin film forming step.
- FIG. 15 is an illustrative view showing a configuration example in which a fluorine resin spacer is arranged on a flat surface of a supply substrate to form a recess for arranging a film material.
- FIG. 16 is a schematic cross-sectional view showing an example of a process for manufacturing a supply substrate.
- FIG. 17 is a diagram showing an application example of a thin film forming process.
- FIG. 18 is a schematic perspective view showing another example of the supply substrate.
- FIG. 19 is a schematic cross-sectional view for explaining another process for forming a thin film on the thin film forming surface of the evaporation target substrate.
- FIG. 20 is a schematic sectional view for explaining another example of the supply substrate.
- FIG. 21 is an illustrative view showing one example of a film material supply method for a recess of a supply substrate.
- FIG. 22 is an illustrative view showing another example of a method of supplying a film material to the recess of the supply substrate.
- FIG. 23 is an illustrative view showing a process of forming a thin film pattern on a substrate to be deposited by vapor deposition with a film material force disposed on the entire surface of the material supply surface.
- FIG. 24 is an illustrative view showing a process of forming a thin film pattern on a deposition target substrate by vapor deposition of a film material force pattern arranged on a flat material supply surface.
- FIG. 25 is an illustrative view showing a process for performing proximity deposition while cooling a substrate to be deposited.
- FIG. 26 is an illustrative view showing a configuration for forming a thin film by a normal vacuum deposition method. is there. Explanation of symbols
- FIG. 1 is an illustrative view for explaining a thin film forming method according to an embodiment of the present invention.
- the pattern of the thin film 12 is formed on the thin film forming surface 11 which is one surface of the deposition target substrate 10 such as a glass substrate or a silicon substrate by a vapor deposition method.
- a supply substrate 20 deposition source substrate
- a concave portion 22 having a pattern corresponding to the pattern of the thin film 12 is formed in the material supply surface 21 facing the thin film forming surface 11 of the deposition target substrate 10.
- FIG. 2 is a schematic plan view of the deposition target substrate 10 in a state where the pattern of the thin film 12 is formed.
- the pattern of the thin film 12 is formed in a plurality of dispersed regions on the thin film forming surface 11 of the deposition target substrate 10.
- the deposition substrate 10 is formed in a rectangular shape, and a bowl-shaped alignment mark 13 is formed at each of the four corners. With reference to the alignment mark 13, the supply substrate 20 is placed close to the deposition substrate 10 with the material supply surface 21 facing the thin film formation surface 11 of the deposition substrate 10. That's true.
- the recess 22 formed in the supply substrate 20 is formed in a mirror image pattern of the turn of the thin film 12 to be formed on the thin film forming surface 11 of the deposition target substrate 10.
- the film material 23 in the recess 22 of the supply substrate 20 is heated in a state where the deposition substrate 10 and the supply substrate 20 are arranged close to each other, the film material evaporates into gas molecules, and a thin film is formed on the deposition substrate 10. Guided to side 11. As a result, the film material in the recess 22 is transferred to the thin film forming surface 11 and a pattern of the thin film 12 as shown in FIG. 2 is obtained.
- FIG. 3 is an illustrative view showing an enlarged configuration in the vicinity of the recess 22, and schematically shows a state during the deposition of the thin film 12.
- a gap is formed between the thin film formation surface 11 of the deposition substrate 10 and the material supply surface 21 of the supply substrate 20 between the film material 23 in the recess 22 and the thin film 12 formed on the thin film formation surface 11. In this state, they are arranged close to each other (including the case where the thin film forming surface 11 and the material supply surface 21 are in contact).
- a substantially sealed space (locally closed space) 15 is formed by the inner wall surface of the recess 22 and the thin film forming surface 11 of the deposition substrate 10.
- FIG. 4 schematically shows the state of aggregation and separation of gas molecules in the membrane material.
- FIG. 41 is a diagram showing a state where the degree of supersaturation ⁇ is relatively low
- FIG. 42 is a diagram showing a state where the degree of supersaturation ⁇ is relatively high. Since the degree of supersaturation ⁇ is high in the local closed space 15 (see FIG. 3), it is not necessary to place the deposition substrate 10 and the supply substrate 20 under a high vacuum.
- the mean free path example is the atmospheric pressure (760 Torr), becomes less 0. 1 m, 10 - the 50m at a pressure of about 6 Torr. Therefore, if the depth of the recess 22 is on the order of m to mm, film formation can be performed under a low vacuum of about 1 to 10 Pa. That is, in such a low-vacuum atmosphere, the film material 23 easily reaches the thin film forming surface 11 of the substrate 10 in the local closed space 15 and forms a thin film on the thin film forming surface 11. become.
- the mean free path ⁇ of the molecule is about 370 ⁇ m, and the mean free path X at atmospheric pressure (10 5 Pa) is about 4 nm.
- the space in the recess 22 forms a local closed space 15, and since the supersaturation ⁇ is high, the aggregation of molecules on the thin film forming surface 11 proceeds efficiently, so that the material gas molecule If the distance is about 100 times the mean free path of ⁇ , gas molecules can move sufficiently. Therefore, if the depth of the recess 22 is set to the order of m to mm, a low true value of about lPa is achieved. It is considered that the thin film 12 can be formed even in the atmosphere with atmospheric pressure and atmospheric pressure.
- a low vacuum level of about OPa can be achieved by a relatively inexpensive rotary pump, and an expensive turbo molecular pump or the like is not required. Therefore, a good thin film can be formed with inexpensive vacuum equipment.
- the temperature is 250 ° C (523K)
- the frequency F of the incidence of gas molecules in the thin film material per unit area per second is given by the following equation.
- the atomic density of the solid surface is about 1 X 10 19 (atomic Zm 2 ). Therefore, assuming that all the molecules incident on the solid surface adsorb, the solid surface is covered in about 1 second. Assuming that the film is formed at atmospheric pressure (10 5 Pa), the solid surface is covered in about 1 second.
- FIG. 7 is an illustrative view showing a more specific method of forming a thin film on the thin film forming surface 11 of the evaporation donor substrate 10 in the order of steps.
- the supply substrate 20 is manufactured (FIG. 7 (a)). That is, for example, the pattern of the recess 22 is formed on the material supply surface 21 of the supply substrate 20 having a silicon substrate force by wet etching or dry etching.
- a film material 23 is attached to the material supply surface 21 of the supply substrate 20 in which the recess 22 is formed by vapor deposition.
- P3T which is an organic film material
- the P3T molecules are evaporated from the evaporation crucible 17 and attached to the entire surface of the material supply surface 21.
- the thickness of the P3T thin film is, for example, 40 nm, and the deposition rate is, for example, 0.5 nmZ.
- an unnecessary film adhering to the material supply surface 21 outside the recess 22 Material 23 is physically removed.
- This unnecessary film material 23 may be removed, for example, by wiping the material supply surface 21 with a semi-dry tissue paper KW with acetone! / ⁇ .
- the film material 23 is disposed only in the recess 22, and the film material 23 does not exist on the material supply surface 21 outside the recess 22.
- the deposition target substrate 10 such as a silicon substrate is placed with the thin film forming surface 11 facing upward on the heater 18 as a heating means.
- the supply substrate 20 is placed on the thin film formation surface 11 with the material supply surface 21 facing the thin film formation surface 11. That is, the deposition substrate 10 is placed on the heating surface 19 of the heater 18 with the thin film formation surface 11 facing upward, and the supply substrate 20 is placed on the thin film formation surface 11 with the material supply surface 21 facing downward.
- the thin film forming surface 11 and the material supply surface are in contact with each other.
- the heater 18 is energized and controlled so that, for example, the heating surface 19 is 160 ° C. or higher.
- P3T which is the film material 23
- the recess 22 It adheres to each area
- the film material 23 in the recess 22 can be transferred to the thin film forming surface 11 and the pattern of the thin film 12 can be formed on the thin film forming surface 11.
- another comparative supply substrate 20R (supply substrate 20) is placed on the heating surface 19 of the calorie heater 18 in order to monitor the progress of the thin film formation by vapor deposition. Is equivalent to the material supply surface 21 facing upward.
- a crystal resonator monitor 25 as a film thickness monitor is disposed above the material supply surface 21. Based on the output of the crystal oscillator monitor 25, by controlling the energization of the heater 18 while monitoring the film formation speed and film thickness, P3T with the desired film thickness at the desired film formation speed on the thin film formation surface 11 is obtained.
- a thin film can be grown.
- the deposition rate is 0.5 nmZ and the film thickness is 25 nm.
- FIG. 8 is a cross-sectional view schematically showing the structure of a field effect transistor (FET) using the P3T thin film as described above as a semiconductor active layer.
- FET field effect transistor
- a thin film 12 made of P3T is formed on the thin film forming surface 11 of the deposition target substrate 10 (that is, the surface of the silicon oxide film 27).
- a pair of electrodes 28 and 29 serving as a source and a drain are formed with a predetermined channel length L so as to be in contact with the thin film 12.
- the material of the electrodes 28 and 29 is gold, for example.
- FIG. 9 shows an example of measurement results of the characteristics of the FET shown in FIG. However, the characteristics are when the channel length L is 30-50 / ⁇ ⁇ and the channel width is 2 mm.
- Figure 9 shows the characteristics of the drain current (current flowing between electrodes 28 and 29) with respect to the drain voltage (voltage applied between electrodes 28 and 29).
- Various gate voltages Vg applied voltage to silicon substrate 26 It is expressed against.
- the threshold voltage V in the saturation region is 38.9V, and the saturation mobility
- Fig. 10 shows the characteristics when a FET with a similar structure is formed by the usual vacuum evaporation method.
- the threshold voltage V in the saturation region is 14.IV.
- FIG. 11 is a schematic sectional view showing another specific process for forming a thin film.
- a supply substrate 20 in which a pattern of recesses 22 corresponding to a desired thin film formation pattern is formed on the material supply surface 21 is prepared in advance.
- a P3T solution 35 is dropped into the recess 22 of the supply substrate 20 using a microsyringe.
- the P3T solution 35 is, for example, a solution in which P3T is dissolved in acetone as a solvent, and its concentration is, for example, about 0.06%. In this case, if the amount of one drop is about 51, the P3T per drop is 3 ng (nanodalam).
- Acetone which is the solvent of the P3T solution 35, is an organic solvent and has volatility. As a result, only P3T is left as the film material 23 in the recess 22.
- the supply substrate 20 is placed on the heating surface 19 of the heater 18. At this time, the supply substrate 20 is in a posture with its material supply surface 21 facing upward. On the material supply surface 21 of the supply substrate 20, the deposition target substrate 10 is placed with the thin film formation surface 11 facing downward.
- the temperature of the deposition substrate 10 can be made lower than that of the supply substrate 20, so that the efficiency of forming a thin film on the deposition substrate 10 can be increased. .
- FIG. 11 (b)
- another comparative supply substrate 20R (equivalent to the supply substrate 20) is placed on the heater 18 in order to monitor the deposition rate and film thickness.
- the film material 23 is disposed in the same manner as the supply substrate 20.
- a crystal resonator monitor 25 as a film thickness monitor is arranged. By monitoring the output of the crystal oscillator monitor 25, the deposition rate, that is, the deposition rate can be monitored, and the deposited film thickness can be obtained.
- the calo heat heater 18 is energized and controlled so that the heating surface 19 becomes 145 ° C. to 190 ° C. while the temperature of the heating surface 19 is monitored by the thermocouple 34, for example.
- the film material 23 disposed in the recess 22 starts to evaporate and fills the local closed space defined by the recess 22.
- the gas molecules of the film material 23 in the recess 22 are transported to the region on the thin film forming surface 11 corresponding to the recess 22 (proximity vapor deposition step).
- a pattern of the thin film 12 corresponding to the pattern of the recess 22 is formed on the thin film forming surface 11.
- the deposition rate is, for example, about 1. OnmZ for the initial stage of deposition and about 0.1 nmZ for the later stage of deposition.
- the film thickness of the thin film 12 is, for example, about 7 nm.
- FIG. 12 and FIG. 13 are diagrams showing the characteristics of FETs in which a P3T thin film formed according to the process of FIG. 11 is used as a semiconductor active layer.
- Fig. 12 shows the FET characteristics for a P3T thin film formed with a P3T solution drop rate of approximately 51 (1 drop).
- Fig. 13 shows the P3T solution drop rate of 50 1 (10 drops). Shows FET characteristics using P3T thin film.
- Figure 12-1 and Figure 13-1 show the drain current characteristics with respect to the drain voltage, respectively, and show the characteristics when the gate voltage Vg is set to 50V, 40V, 30V, 20V, 10V, and OV. It has been done.
- Figures 12-2 and 13-2 show the change in drain current with respect to the gate voltage Vg.
- FIG. 14 is a schematic cross-sectional view for explaining still another specific example of the thin film forming process.
- a P3T solution 35 (for example, having a concentration of about 0.5 mgZg using paraxylene as a solvent) is placed in the recess 22 of the supply substrate 20 as a micro syringe.
- the film material 23 made of P3T is placed in the recess 22 by dropping the film.
- the supply substrate 20 in this state is placed on the heating surface 19 of the heater 18, as shown in FIG. 14 (b). At this time, the material supply surface 21 is in an upward state. On this material supply surface 21, a fluorine resin spacer 30 as a heat insulating layer and an elastic deformation layer is placed.
- the fluorine resin spacer 30 is, for example, a plate-like body having a thickness of about 3 mm. An opening 31 having substantially the same pattern as the recess 22 is formed, and the opening 31 is aligned with the recess 22.
- a deposition target substrate 10 for example, a silicon substrate
- a deposition target substrate 10 is placed on the fluorine resin spacer 30.
- the thin film forming surface 11 of the deposition substrate 10 and the material supply surface 21 of the supply substrate 20 With, the fluorine resin spacer 30 is interposed therebetween, and the deposition substrate 10 and the supply substrate 20 come into contact with both surfaces of the fluorine resin spacer 30, respectively.
- the heater 18 is energized and controlled so that the temperature of the heating surface 19 monitored by the thermocouple 34 becomes, for example, 250 ° C.
- a comparative supply substrate 20R produced in the same manner as the supply substrate 20 is placed on the heating surface 19, and a crystal resonator monitor 25 as a film thickness monitor is placed above it. . While monitoring the output of the crystal oscillator monitor 25, the film material in the recess 22 is evaporated, introduced to the thin film forming surface 11 of the substrate 10 to be deposited, and the deposition process proceeds (proximity deposition process). . This step may be performed, for example, in a vacuum chamber decompressed to about 0.7 Pa by a rotary pump.
- the temperature of the deposition substrate 10 becomes, for example, 174 ° C due to the heat insulating effect of the fluorine resin spacer 30. Further, when the heating surface 19 of the heater 18 is controlled to 100 ° C., the temperature of the deposition substrate 10 is, for example, 70 ° C. When the temperature of the heating surface 19 is 160 ° C., the temperature of the deposition substrate 10 is, for example, 118 ° C.
- a sufficient temperature gradient can be formed between the supply substrate 20 and the vapor deposition substrate 10 by the heat insulating effect of the fluorine resin spacer 30.
- the film material molecules adhere well on the thin film formation surface 11 of the lower deposition target substrate 10, and a good pattern of the thin film 12 can be formed on the thin film formation surface 11.
- the present inventor compared the thin film pattern formed in the step of FIG. 11 with the thin film pattern formed in the step of FIG. As a result, in the case of the process of FIG. 11, the thin film 12 in the form of fine crystal grains was formed on the thin film forming surface 11 of the deposition target substrate 10, whereas in the case of the process of FIG. It was confirmed that the P3T in the shape of a thin film was formed on the thin film forming surface 11.
- the fluorine resin spacer 30 has a function of providing a sufficient temperature gradient between the supply substrate 20 and the deposition target substrate 10 due to its heat insulation performance, and also has a function of providing elastic deformation performance so that the inside of the recess 22 It also has a function of improving the hermeticity of the locally closed space. That is, the fluorine resin spacer 30 is elastically deformed by the weight of the substrate 10 to be deposited and by applying an external force that is directed downward to the deposition substrate 10 as necessary. Thus, it adheres well to both the substrate to be deposited 10 and the supply substrate 20. Due to this, the recess 2 The space defined by 2 and the opening 31 of the fluorocarbon spacer is a good closed space. As a result, since the film material molecules cannot escape from this sealed space, the thin film 12 having good crystallinity is formed on the thin film forming surface 11 of the deposition substrate 10.
- the deposition target substrate 10 may be separated from the fluorine resin spacer 30.
- the fluorine resin spacer 30 may be provided independently of the deposition substrate 10 and the supply substrate 20, but is fixed in advance to the surface of either the deposition substrate 10 or the supply substrate 20, for example, by adhesion. Well, okay.
- the material supply surface 21 of the supply substrate 20 is a flat surface, and the fluorine resin spacer 30
- the opening 31 and the flat material supply surface 21 may form a recess 22 for arranging the film material.
- FIG. 16 is a schematic cross-sectional view showing another process example for manufacturing the supply substrate 20.
- the material of the supply substrate 20 is a material that transmits ultraviolet rays, such as a photomask.
- a material that transmits ultraviolet rays such as a photomask.
- recesses 22 are formed in a desired pattern by etching in advance.
- a light-shielding mask (for example, made of chrome power) 33 that shields ultraviolet rays is formed in a pattern at a position corresponding to the recess 22.
- the entire surface of the material supply surface 21 of the supply substrate 20 also has, for example, organic force due to, for example, vapor deposition, spin coating, dipping, or printing.
- a film of film material 23 is formed.
- the surface 24 side force is also irradiated with ultraviolet rays 36, so that the film material 23 in portions other than the recesses 22 is exposed and removed. In this way, as shown in FIG. 16 (d), the film material 23 is disposed only in the recess 22.
- the supply substrate 20 is disposed close to the thin film formation surface 11 of the evaporation target substrate 10, and the film material 23 is heated to evaporate the film material 23.
- the pattern of the thin film 12 can be formed by vapor deposition on the thin film forming surface 11 of the substrate 10.
- FIG. 17 shows an application example of the thin film forming process.
- two types of supply substrates 201 and 202 are used. That is, using the supply substrate 201, the first pattern is thinned. After the film 121 is formed on the deposition target substrate 10, another second pattern thin film 122 is deposited on the deposition target substrate 10 by using another supply substrate 202. In this way, two types of patterns of thin films 121 and 122 can be formed on the deposition target substrate 10 without going through a complicated photolithography process. Of course, three or more kinds of thin film patterns are formed in the same way.
- Supply boards 201 and 202 have the same configuration as that of supply board 20 described above.
- portions corresponding to the respective parts of supply board 20 are denoted by the same reference numerals.
- reference numeral 213 denotes alignment marks provided at the four corners of the material supply surface 21 of the supply substrates 201 and 201 for alignment with the alignment mark 13 (see FIG. 2) of the substrate 10 to be deposited. It is.
- a recess 22 corresponding to the pattern of the thin film 121 is formed on the material supply surface 21 of the supply substrate 201, and a recess 22 corresponding to the pattern of the thin film 122 is formed on the material supply surface 21 of the supply substrate 202. Is formed.
- a first film material 231 (for example, an organic material) is disposed in the recess 22 of the supply substrate 201, and another second film material 232 (for example, an organic material) is disposed in the recess 22 of the supply substrate 202. Is arranged. Therefore, thin films 121 and 122 of two kinds of materials can be formed on the deposition substrate 10.
- FIG. 18 is a schematic perspective view showing another example of the supply substrate.
- the supply substrate 203 has a first recess 221 in which the first film material 233 is disposed, and a second recess 222 in which another second film material 234 is disposed.
- this supply substrate 203 By performing proximity deposition processing with this supply substrate 203 in close proximity to the thin film formation surface 11 of the substrate 10 to be deposited, the patterns of the thin films 123 and 1 24 of two types of film materials are simultaneously formed on the thin film formation surface 11. be able to.
- FIG. 19 is a schematic cross-sectional view for explaining another process for forming a thin film on the thin film forming surface of the evaporation target substrate.
- the deposition substrate 10 and the supply substrate 20 are brought close to each other to deposit the film material 23 from the recess 22 onto the thin film formation surface 11, and the force behind the deposition substrate 10 (opposite to the thin film formation surface 11) is also optical.
- Light 40 for polymerization for example, ultraviolet rays
- the film material 23 made of an organic material can be deposited on the thin film forming surface 11 of the deposition substrate 10, and the photopolymerization treatment can be performed at the same time.
- the deposition substrate 10 is transparent to the light 40 for photopolymerization. There must be.
- FIG. 20 is a schematic cross-sectional view for explaining another example of the supply substrate 20.
- the supply substrate 20 incorporates a heater 42 as a heating means at a position corresponding to the recess 22. Therefore, the film material 23 in the recess 22 can be deposited on the thin film forming surface 11 and transferred by arranging the supply substrate 20 close to the deposition target substrate 10 and energizing the heater 42. For example, if the heaters 42 that can be individually driven are arranged for the plurality of concave portions 22, the pattern of the thin film 12 formed on the thin film forming surface 11 can be controlled.
- the heater 42 may be provided in the supply substrate 20 so as to heat the entire supply substrate 20 just in the vicinity of the recess 22.
- FIG. 21 is an illustrative view showing one example of a method for supplying the film material 23 to the recess 22 of the supply substrate 20.
- a mask member 45 having an opening 44 corresponding to the recess 22 is placed on the material supply surface 21.
- a film material 23 for example, fluid material
- FIG. 21 (c) if the mask member 45 is removed, the film material 23 can be selectively disposed in the recess 22.
- FIG. 22 is an illustrative view showing another example of a method for supplying the film material 23 to the recess 22 of the supply substrate 20.
- a granular membrane material 235 is used.
- the granular film material 235 has a size that can enter the recess 22, and after being supplied onto the material supply surface 21 of the supply substrate (see FIG. 22 (a)), the material supply surface outside the recess 22. What is on 21 is swept off or shaken out of supply substrate 20 (see FIG. 22 (b)). Thereby, the granular film material 235 can be selectively disposed in the recess 22 easily.
- the granular film material 235 may be formed by forming an organic material in a granular form! And formed by containing a solution obtained by dissolving an organic material in an organic solvent in a capsule. That ’s right.
- the present invention can be implemented in other forms. For example, as shown in FIG. 23, the film material 23 is arranged on almost the entire surface of the flat material supply surface 21 of the supply substrate 20, and the thin film formation surface 11 of the deposition substrate 10 has openings corresponding to the desired pattern.
- the fluorine resin spacer 30 having 31 may be fixed, and the proximity evaporation process may be performed in a state where the fluorine resin spacer 30 and the supply substrate 20 are in close contact with each other.
- the thin film 12 having a desired pattern can be formed on the thin film forming surface 11 by vapor deposition through the opening 31 of the fluorine resin spacer 30. Thereafter, the fluorine resin spacer 30 may be removed from the thin film forming surface 11.
- the material supply surface 21 of the supply substrate 20 is a flat surface, and a film material 23 is formed in a mirror image pattern of a desired thin film pattern on the flat material supply surface 21. May be.
- the film material 23 is transported to a region on the thin film formation surface 11 opposite to the region where the film material 23 is disposed. Vapor deposited.
- a desired pattern of the thin film 12 can be formed on the thin film forming surface 11.
- a cooling device 50 may be arranged on the surface 9 of the deposition substrate 10 opposite to the thin film forming surface 11.
- the deposition substrate 10 can be reliably cooled to a temperature lower than that of the supply substrate 20, so that the formation efficiency of the thin film 12 can be increased.
- the region where the thin film 12 is to be formed may be selectively cooled. As a result, the efficiency of thin film formation in the cooled region is increased, so that a more favorable thin film pattern can be formed.
- cooling device 50 a heat exchange device using a Peltier element or a refrigerant (cooling water or the like) can be exemplified.
- Organic materials can be deposited under 2 s. Specifically, when P3T was used as the organic material and the experiment was conducted with a drop amount of 30 1 and a deposition time of 2 minutes, a highly oriented P3T thin film pattern could be formed.
- the film material supported on the material supply surface on the supply substrate does not need to be a single material.
- a mixture of a plurality of types of materials may be used.
- a mixture for example, a mixture of a plurality of types of organic materials
- a mixed material thin film having a predetermined composition ratio can be easily formed on the deposition substrate. Can do.
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Abstract
Description
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Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004343001A JP4716277B2 (ja) | 2004-11-26 | 2004-11-26 | 薄膜形成方法、蒸着源基板、および蒸着源基板の製造方法 |
JP2004-343001 | 2004-11-26 |
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WO2006057353A1 true WO2006057353A1 (ja) | 2006-06-01 |
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PCT/JP2005/021718 WO2006057353A1 (ja) | 2004-11-26 | 2005-11-25 | 薄膜形成方法、蒸着源基板およびその製造方法 |
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Cited By (7)
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WO2012168398A1 (de) | 2011-06-10 | 2012-12-13 | Basf Se | Pulverzusammensetzung und deren verwendung für die papierherstellung |
WO2013079378A2 (de) | 2011-12-01 | 2013-06-06 | Basf Se | Verfahren zur herstellung von füllstoffhaltigem papier unter einsatz von biologisch abbaubare polyesterfasern und/oder polyalkylencarbonatfasern |
JP2014105377A (ja) * | 2012-11-29 | 2014-06-09 | Denso Corp | 成膜処理方法 |
US8753481B2 (en) | 2011-06-10 | 2014-06-17 | Basf Se | Powder composition and use thereof for paper production |
US8940135B2 (en) | 2011-12-01 | 2015-01-27 | Basf Se | Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers |
WO2018218373A1 (en) * | 2017-06-02 | 2018-12-06 | Simon Fraser University | Method of patterned deposition employing pressurized fluids and thermal gradients |
TWI730493B (zh) * | 2019-11-06 | 2021-06-11 | 台灣愛司帝科技股份有限公司 | 具有加熱功能的非導電薄膜以及電子裝置 |
Families Citing this family (8)
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JP2007154253A (ja) * | 2005-12-05 | 2007-06-21 | Denso Corp | 蒸着パターン形成装置及び蒸着パターン形成方法 |
RU2453942C2 (ru) * | 2006-09-14 | 2012-06-20 | Улвак, Инк. | Постоянный магнит и способ его изготовления |
JP4881774B2 (ja) * | 2007-03-26 | 2012-02-22 | 国立大学法人神戸大学 | 薄膜形成装置、薄膜形成方法、分極反転可能化方法、強誘電特性測定方法 |
CN104762599A (zh) * | 2015-04-15 | 2015-07-08 | 京东方科技集团股份有限公司 | 蒸镀方法和蒸镀装置 |
US10115586B2 (en) * | 2016-05-08 | 2018-10-30 | Tokyo Electron Limited | Method for depositing a planarization layer using polymerization chemical vapor deposition |
KR101967920B1 (ko) * | 2017-03-21 | 2019-04-10 | 주식회사 다원시스 | 반도체 도너 기판, 시스템 및 유기 발광 장치의 제조 방법 |
EP3704285A4 (en) * | 2017-11-01 | 2021-06-30 | BOE Technology Group Co., Ltd. | EVAPORATION PLATE FOR DEPOSITING A DEPOSIT MATERIAL ON A SUBSTRATE, EVAPORATION APPARATUS AND PROCESS FOR DEPOSITING A DEPOSIT MATERIAL ON A SUBSTRATE |
KR20210008427A (ko) | 2018-06-07 | 2021-01-21 | 실라나 유브이 테크놀로지스 피티이 리미티드 | 반도체 레이어 형성을 위한 방법 및 재료 증착 시스템 |
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- 2004-11-26 JP JP2004343001A patent/JP4716277B2/ja not_active Expired - Fee Related
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- 2005-11-28 TW TW094141673A patent/TW200628618A/zh unknown
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JPH02101155A (ja) * | 1988-10-05 | 1990-04-12 | Idemitsu Petrochem Co Ltd | 基板への成膜方法及びその装置 |
JPH0617243A (ja) * | 1992-07-02 | 1994-01-25 | Fujitsu Ltd | 金属薄膜の堆積方法及び半導体装置の製造方法 |
JPH07278784A (ja) * | 1994-04-08 | 1995-10-24 | Murata Mfg Co Ltd | 薄膜形成用マスク |
JP2000113978A (ja) * | 1998-10-02 | 2000-04-21 | Toray Ind Inc | 有機電界発光素子の製造方法 |
JP2002302759A (ja) * | 2001-04-05 | 2002-10-18 | Sony Corp | 薄膜パターンの形成方法および有機電界発光表示装置の製造方法 |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012168398A1 (de) | 2011-06-10 | 2012-12-13 | Basf Se | Pulverzusammensetzung und deren verwendung für die papierherstellung |
US8753481B2 (en) | 2011-06-10 | 2014-06-17 | Basf Se | Powder composition and use thereof for paper production |
WO2013079378A2 (de) | 2011-12-01 | 2013-06-06 | Basf Se | Verfahren zur herstellung von füllstoffhaltigem papier unter einsatz von biologisch abbaubare polyesterfasern und/oder polyalkylencarbonatfasern |
US8940135B2 (en) | 2011-12-01 | 2015-01-27 | Basf Se | Production of filled paper using biodegradable polyester fibers and/or polyalkylene carbonate fibers |
JP2014105377A (ja) * | 2012-11-29 | 2014-06-09 | Denso Corp | 成膜処理方法 |
WO2018218373A1 (en) * | 2017-06-02 | 2018-12-06 | Simon Fraser University | Method of patterned deposition employing pressurized fluids and thermal gradients |
TWI730493B (zh) * | 2019-11-06 | 2021-06-11 | 台灣愛司帝科技股份有限公司 | 具有加熱功能的非導電薄膜以及電子裝置 |
Also Published As
Publication number | Publication date |
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TW200628618A (en) | 2006-08-16 |
JP4716277B2 (ja) | 2011-07-06 |
JP2006152352A (ja) | 2006-06-15 |
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