WO2011155652A1 - 박막 증착 장치 및 박막 증착 시스템 - Google Patents
박막 증착 장치 및 박막 증착 시스템 Download PDFInfo
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- WO2011155652A1 WO2011155652A1 PCT/KR2010/003810 KR2010003810W WO2011155652A1 WO 2011155652 A1 WO2011155652 A1 WO 2011155652A1 KR 2010003810 W KR2010003810 W KR 2010003810W WO 2011155652 A1 WO2011155652 A1 WO 2011155652A1
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- substrate holder
- substrate
- thin film
- film deposition
- deposition
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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
- C23C14/22—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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- 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
- C23C14/042—Coating on selected surface areas, e.g. using masks using masks
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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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/50—Substrate holders
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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
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/568—Transferring the substrates through a series of coating stations
Definitions
- the present invention relates to a thin film deposition apparatus, and more particularly, to a thin film deposition apparatus for forming a thin film on a substrate, and a thin film deposition system including the same.
- OLEDs unlike liquid crystal displays, are capable of self-emission and thus require no backlight and thus consume less power.
- the display device using the same may implement an excellent image without problems of the viewing angle and afterimage.
- Such an organic light emitting device is manufactured by laminating a multilayer thin film such as an organic film and a metal film on a glass substrate. Therefore, in the related art, a cluster method in which a plurality of unit chambers in which a series of unit processes are performed around a circular transfer chamber is mainly used, and a substrate transfer and device process in a state in which a glass substrate is horizontally disposed between respective chambers This was configured to be done.
- This cluster method has the advantage of being able to proceed rapidly in a series of processes, there is an advantage that the exchange of the deposition mask (Mask) which is essential when manufacturing the organic light emitting device.
- the inline (in) in which the process chambers performing the respective unit processes are connected in series -line) method is suitable. Therefore, there is a need to convert the conventional cluster method to the inline method, the inline method has a lot of overlapping equipment compared to the cluster method, the production cost of the production line is high, the process speed is low, there is a problem of low productivity.
- the substrate is horizontally disposed to perform a thin film process (organic film deposition process), which causes severe deflection of the substrate, which causes considerable difficulty in fabricating the device.
- a thin film process organic film deposition process
- the deposition mask for a large-area substrate has a load of several hundred Kg or more, the deflection phenomenon of the substrate is more severe, causing serious problems such as breaking of the substrate.
- the present invention has been proposed to solve the above problems, the thin film deposition apparatus to achieve a high productivity by minimizing the process waiting time, such as processing a plurality of substrates in parallel, the placement / alignment time of the substrate and the deposition mask And a thin film deposition system.
- the present invention provides a thin film deposition apparatus and a thin film deposition system to maximize the common use of the overlapping equipment, thereby reducing the construction cost of the production line.
- the present invention provides a thin film deposition apparatus and a thin film deposition system that can overcome the deflection phenomenon of the substrate by placing the substrate in a vertical state to perform a thin film process.
- a thin film deposition apparatus including: a chamber in which a reaction space is formed, a first substrate holder and a second substrate holder formed to accommodate a substrate and spaced apart from each other in the chamber; A deposition source disposed between the first substrate holder and the second substrate holder to supply deposition material to the first substrate holder and the second substrate holder, and in a state where the substrate is accommodated in the first substrate holder and the second substrate holder, And a fixing unit that allows the first substrate holder and the second substrate holder to be positioned at a specific position within the chamber for a predetermined time.
- the thin film deposition system includes a plurality of devices connected in a row, and first and second process lines formed in the plurality of devices, wherein at least one of the plurality of devices includes the first process.
- the present invention can perform a sequential thin film process for a plurality of process lines provided in each process chamber through one deposition source provided in each process chamber, cost reduction and productivity improvement can be simultaneously achieved.
- the first substrate holder and the second substrate holder are transported in the chamber and are disposed at a specific position inside the chamber by the fixing unit. Accordingly, alignment reliability of the substrate and the mask can be improved.
- the present invention can reduce the waiting time by performing substrate transfer and substrate / mask alignment on the substrate of the other process line while the thin film process is performed on the substrate of one process line, thereby further improving productivity. .
- the substrate is disposed in a horizontal state during substrate transfer, the substrate is less likely to break during substrate transfer, and the substrate is disposed in a vertical state during the thin film process, so that the substrate is less likely to sag and thus device manufacturing is easy.
- FIG. 1 is a plan view showing a thin film deposition system according to an embodiment of the present invention.
- FIG. 2 is a plan view showing a thin film deposition apparatus included in the thin film deposition system of FIG.
- FIG. 3 is a view illustrating a process in which a first substrate holder or a second substrate holder is moved in one direction in any one of the thin film deposition apparatuses included in the thin film deposition system illustrated in FIG. 1.
- FIG. 4 is a view showing a state in which the first substrate holder or the second substrate holder is fixed by the fixing unit in the thin film deposition apparatus shown in FIG.
- FIG. 5 is a view showing a state in which the movement of the first substrate holder or the second substrate holder is guided by the movement limiting unit in the thin film deposition apparatus shown in FIG.
- FIG. 6 is a view showing an operation process of the movement limiting unit in the thin film deposition apparatus shown in FIG.
- FIG. 7 to 12 are plan views illustrating a unit process of a thin film deposition system according to an embodiment of the present invention.
- the thin film deposition apparatus includes a chamber in which a reaction space is formed, a first substrate holder and a second substrate holder formed to accommodate a substrate and spaced apart from each other in the chamber, and the first substrate holder and the second substrate holder.
- a deposition source disposed between the substrate holders to supply deposition material to the first substrate holder and the second substrate holder, and the first substrate holder and the first substrate holder in a state where the substrate is accommodated in the first substrate holder and the second substrate holder.
- the second substrate holder includes a fixed unit to be positioned at a specific position within the chamber for a predetermined time.
- the thin film deposition system includes a plurality of devices connected in a row, and first and second process lines formed in the plurality of devices, wherein at least one of the plurality of devices includes the first process.
- a plurality of unit devices 200 and 600 are in-line connected between a front end loading device 110 and a rear end unloading device 120. It is configured in an in-line manner.
- each of the unit devices 200 and 600 is provided with two rows of process lines PL1 and PL2, and the preparation of the second process line PL2 is performed in advance while the unit process for the first process line PL1 is performed.
- the unit process for the second process line PL2 row may be continuously performed.
- the loading device 110 receives the substrate G, which has completed a predetermined preliminary process, at a atmospheric pressure, and injects the same into the vacuum processing device 210.
- the unloading device 120 performs a series of unit processes.
- the substrate G receives the finished substrate G from the processing apparatus 263 and serves to take it out to atmospheric pressure for the subsequent process. Therefore, the loading device 110 and the unloading device 120 are configured to switch between the atmospheric pressure state and the vacuum state.
- the loading device 110 and the unloading device 120 may be connected with a substrate conveying means such as a robot arm and a substrate loading means such as a substrate cassette.
- the plurality of unit apparatuses 200 and 600 include a plurality of process apparatuses 200 (210, 220, 230, 240, 250 and 260) performing a unit process and a plurality of buffer devices 600 (610 and 620) connected therebetween.
- the buffer device 600 provides a temporary space in which the substrate G temporarily stays for process waiting.
- each of the processing apparatuses 200 is connected to one side of the first mask receiving apparatus 310, which supplies the first deposition mask M1 to the first processing line PL1.
- a second mask receiving device 320 that supplies a second deposition mask M2 to the second process line PL2 is connected to the other side of the process apparatus 200.
- the first and second mask receiving devices 310 and 320 store deposition masks M1 and M2 to be used or replaced in the thin film process.
- the first and second mask receiving devices 310 and 320 may be used in common, only one common mask receiving device may be connected to each of the processing apparatuses 200.
- some of the unit devices may be connected to a feeder 410 for supplying a raw material to the deposition source 540.
- the plurality of process devices 200 are configured to perform a series of device processes on the substrate G.
- a hole injection layer (HIL), a hole transport layer (HTL), an emitting material layer (EML), and an electron are formed on a substrate G on which an anode is formed from the outside. It is configured to form an organic light emitting device in which a transport layer (ETL), an electron injection layer (EIL), and a cathode are sequentially stacked.
- the hole injection layer forming apparatus 210, the hole transport layer forming apparatus 220, the light emitting layer forming apparatus 230, the electron transport layer forming apparatus 240, the electron injection layer forming apparatus 250, and the cathode forming apparatus 260 are connected in line.
- the light emitting layer forming apparatus 230 may further include blue (B), green (G), and red (R) light emitting layer forming apparatuses 231, 232, and 233 to realize a natural color
- the cathode forming apparatus 260 may include a cathode.
- a plurality of cathode forming devices 261, 262, and 263 may be further included to form a multilayer structure.
- At least one of the plurality of devices included in the thin film deposition system may be a thin film deposition apparatus 200, and a detailed structure of the thin film deposition apparatus 200 will be described below.
- the thin film deposition apparatus 200 includes a chamber 100, first second substrate holders 520 and 530, a deposition source 540, and a fixed unit 10.
- One example of the shape of the chamber 100 may be a hexahedron.
- a reaction space in which the substrate G is processed is formed in the chamber 100.
- a first substrate inlet 511a, a first substrate holder 520, and a first substrate outlet 512a are formed along the first process line.
- a second substrate inlet 511b, a second substrate holder 530, and a second substrate outlet 512b are formed along the second process line.
- the first and second substrate inlets 511a and 511b are formed to be spaced apart from each other on one sidewall of the chamber 100, and the first and second substrate outlets 512a and 512b are spaced apart from each other on the opposite sidewall of the chamber 100. It is formed.
- the substrate inlets 511a and 511b and the substrate outlets 512a and 512b may be configured as slit valves.
- Each of the first and second substrate holders 520 and 530 has a support 521 for supporting the rear surfaces of the substrates G1 and G2, and a clamp provided at the support 521 to fix the substrates G1 and G2. 522 and a driving unit (not shown) for standing the support 521 in a vertical state or lying in a horizontal state.
- the driving unit may be omitted when the substrates G1 and G2 are carried in the processing apparatuses 210, 220, 230, 240, 250, and 260 in a vertical state.
- Temperature control means 523 may be provided inside or under the support 521 to maintain the substrates G1 and G2 mounted on the support 521 at a temperature suitable for performing a process.
- the temperature control means 523 may be composed of a combination of at least one of cooling means for cooling the substrates G1 and G2 and heating means for heating the substrates G1 and G2.
- the reactivity with the deposition material deposited on the upper surfaces of the substrates G1 and G2 is improved by maintaining the temperature of the substrates G1 and G2 at the process temperature by using the cooling means.
- the clamp 522 holds the edges of the substrates G1 and G2 so as to convert the substrates G1 and G2 in the horizontal state mounted on the support 521 to the vertical state, or vice versa.
- the substrates G1 and G2 are prevented from moving.
- the deposition masks M1 and M2 having a predetermined deposition pattern are disposed on the substrates G1 and G2 to regulate the thin film patterns formed on the substrates G1 and G2.
- the clamp 522 is preferably configured to fix the substrates G1 and G2 and the deposition masks M1 and M2 on the support 521.
- the first and second substrate holders 520 and 530 are formed to accommodate the substrates G1 and G2, respectively.
- the first and second substrate holders 520 and 530 are spaced apart from each other by a predetermined distance on the same horizontal plane, and the opposite substrate holders 530 and 520 may be rotated even when one of the substrate holders 520 and 530 is rotated vertically or horizontally. Spaced apart beyond a distance that does not interfere with either.
- the deposition source 540 is provided between the first and second substrate holders 520 and 530 spaced apart by a predetermined distance.
- the deposition source 540 is disposed to face any one of the substrates G1 and G2 that are converted to the vertical state for the deposition process, and the raw material in the vaporized state in the opposite surface of the substrate G, that is, the deposition surface direction. It serves to supply materials.
- the deposition source 540 has a crucible in which the raw material is stored, a heating part for vaporizing the raw material, and an injection part for spraying the vaporized raw material, and has a point-type according to process conditions. Any suitable type, line-type, and plane-type deposition source 540 may be used.
- the present embodiment uses a linear deposition source 540 in which a plurality of point deposition sources 541 and 542 are arranged in a linear manner.
- the linear deposition source 540 reciprocates left and right by a reciprocating driving member, and the substrates G1 and G2.
- the raw material is uniformly supplied (injected) to the entire area of the As such, the process of spraying the raw materials onto the substrates G1 and G2 is performed while the substrates G1 and G2 are vertical.
- the first substrate holder 520 and the second substrate holder 530 support the substrate in a state perpendicular to the ground.
- the deposition source 540 of the present embodiment sprays the raw material toward the second substrate holder 530 by rotating the spraying direction by 180 ° with respect to the first substrate holder 520 or vice versa 180 °. And rotated at an angle to spray the raw material toward the first substrate holder 520. Accordingly, even if two rows of process lines are formed in a single device, both processes may be performed using one deposition source 540.
- a thin film deposition process using the thin film deposition system configured as described above will be briefly described with reference to FIG. 1.
- the substrate G on which the anode is formed through the preceding process is introduced into the loading apparatus 110 at atmospheric pressure, and the inside of the loading apparatus 110 is converted into a vacuum state.
- the substrate G is sequentially input to process apparatuses 210, 220, 230, 240, 250, and 260 which perform a series of unit processes along alternately selected first and second process lines. That is, the substrate G is sequentially introduced into the hole injection layer forming apparatus 210, the hole transport layer forming apparatus 220, and the light emitting layer forming apparatuses 23, 232, 233 in a vacuum state. Accordingly, the hole injection layer, the hole transport layer, and the light emitting layer are sequentially formed on the anode of the substrate G.
- the electron transport layer forming apparatus 240, the electron injection layer forming apparatus 250, and the cathode forming apparatus 261, 262, and 263 are sequentially input.
- an electron transporting layer, an electron injection layer, and a multilayer cathode are formed on the light emitting layer of the substrate G, thereby producing an organic light emitting device.
- the substrate G is drawn into the unloading device 120 and drawn out to the outside at atmospheric pressure.
- the thin film deposition apparatus having the above-described structure preferably includes a fixing unit 10.
- the first substrate holder 520 and the second substrate holder 530 are transferred in the chamber, and then the fixing unit 10 ) To be positioned at a specific time within the chamber.
- the specific position is a predetermined position so that the substrates accommodated in the first substrate holder 520 and the second substrate holder 530 are exactly aligned with the mask. This is to ensure that the thin film pattern is accurately formed on the substrate according to the manufacturer's design.
- the precise alignment of the substrate and the mask is performed optically by an imaging device such as a charged coupled device (CCD) and a complementary metal-oxide-semiconductor (CMOS).
- an imaging device such as a charged coupled device (CCD) and a complementary metal-oxide-semiconductor (CMOS).
- the substrate is fixed by the fixing unit 10 to the first substrate. Since the holder 520 and the second substrate holder 530 are stably fixed to a specific position, the alignment operation may be stably performed.
- the fixing unit 10 may include a fixing portion 11 and the lifting unit 12.
- the fixing part 11 is formed to be pulled upward from the bottom surfaces of the first substrate holder 520 and the second substrate holder 530.
- the lifting unit 12 is formed such that at least a portion of the lifting unit 12 is accessible to the fixing unit 11 while the first substrate holder 520 and the second substrate holder 530 are disposed at a specific position.
- the lifting unit 12 may include a hydraulic cylinder.
- the lifting unit 12 may include a linear motor.
- the shape of the above-described fixing portion 11 may be formed to be introduced into a conical shape, the end of the lifting portion 12 can be accommodated in the fixing portion 11, the fixing portion 11 It may be made in the same conical shape as the size of.
- the shape of the fixing portion 11 may be formed to be introduced into a cylindrical shape, the end portion of the elevating portion 12 may be formed in a hemispherical shape so that it can easily enter and exit the fixing portion (11).
- the thin film deposition apparatus may further include a movement limiting unit 20.
- the movement limiting unit 20 restricts the movement of the first substrate holder 520 and the second substrate holder 530 in one direction.
- the movement limiting unit 20 may include a guide portion 21 and the power unit 22.
- the guide part 21 is disposed adjacent to one surface of each of the first substrate holder 520 and the second substrate holder 530 to guide the movement of the first substrate holder 520 and the second substrate holder 530.
- the power unit 22 may move in a direction in which the guide unit 21 approaches the first substrate holder 520 and the second substrate holder 530, or moves away from the first substrate holder 520 and the second substrate holder 530. Let it move An example of the power unit 22 may be a linear motor. Another example of the power unit 22 may be a hydraulic cylinder.
- guide portion 21 may be a plurality of rollers.
- the rollers are disposed on both side surfaces of each of the first substrate holder 520 and the second substrate holder 530.
- a plurality of rollers are moved by the power unit 22 to move the first substrate holder 520 and the second substrate holder 530 into the chamber to deposit the deposition material on the substrate.
- a second substrate holder 530 a second substrate holder 530.
- the maximum spaced distance of the plurality of rollers is preferably such that the first substrate holder 520 and the second substrate holder 530 to be conveyed are not excessively inclined to be separated.
- the minimum distance between the plurality of rollers may be slightly smaller than the thicknesses of the first substrate holder 520 and the second substrate holder 530.
- first substrate holder 520 and the second substrate holder 530 are moved by the plurality of rollers, stable movement may be achieved.
- a plurality of rollers may stably grip the first substrate holder 520 and the second substrate holder 530 and may have resistance by vibration of an adjacent member. Therefore, in depositing a deposition material on a substrate, deposition reliability can be improved.
- the upper side of the first substrate holder 520 and the second substrate holder 530 is gripped by the movement limiting unit 20, thereby stably aligning the substrate and the mask. Can be.
- the transfer roller 30 may be disposed on the bottom surfaces of the first substrate holder 520 and the second substrate holder 530.
- the transfer roller 30 is disposed to be rotatable inside the chamber, not shown.
- the first substrate holder 520 and the second substrate holder 530 may be transferred in one direction by the transfer roller 30.
- the transfer roller 30 is not limited to the bottom surface of the first substrate holder 520 and the second substrate holder 530, and the conveyor belt may be disposed.
- the substrate G has been described as being transferred in a state perpendicular to the ground. However, the substrate G may be transported in a state parallel to the ground. However, when the substrate transfer is in a horizontal state, a process of converting the substrate G in the horizontal state to the vertical state is required in each of the process apparatuses 210, 220, 230, 240, 250, and 260.
- a process of performing a unit process by converting the substrate G in a horizontal state to a vertical state will be described in more detail with reference to FIGS. 7 to 12.
- 7 to 12 are plan views illustrating a unit process of a thin film deposition system according to an exemplary embodiment of the present invention.
- the first substrate G1 horizontally conveyed along the first process line is introduced into the processing apparatus 200 through the first substrate inlet 511a, and the first substrate G1 that is inserted is horizontal. It is mounted on the support of the first substrate holder 520 disposed in a state.
- a first deposition mask M1 is provided from a first mask receiving device 310 connected to the process apparatus 200, and the provided first deposition mask (see M1 in FIG. 8) is formed on the first substrate G1. Placed and aligned.
- the clamp 522 of the first substrate holder 520 fixes the first substrate G1 and the first deposition mask M1 on the upper surface thereof, the first substrate holder 520 is 90 degrees.
- the outer surface of the first substrate G1 and the spraying direction of the deposition source 540 face each other, and the raw material in the vaporized state is sprayed onto the outer surface of the first substrate G1 through the deposition source 540.
- the first thin film process for the first substrate G1 is performed.
- the second substrate G2 horizontally conveyed along the second process line is processed through the second substrate inlet 511b simultaneously with or after the first substrate G1.
- the retracted second substrate G2 is mounted on the support of the second substrate holder 530 disposed in a horizontal state, and is supplied from the second mask receiving device 320 connected to the processing apparatus on the second substrate G2.
- the second deposition mask (see M2 in FIG. 10) is disposed and aligned.
- the second substrate holder 530 may be 90 degrees. It is also rotated to switch to the vertical state. In this case, it is preferable to perform the arrangement / alignment process of the second substrate G2 and the arrangement / alignment process of the second deposition mask M2 during the first thin film process. Therefore, the process waiting time can be shortened and productivity can be improved.
- the spraying direction of the deposition source 540 is rotated 180 degrees based on the first substrate holder 520. Accordingly, when the outer surface of the second substrate G2 and the spray direction of the deposition source 540 face each other, the raw material in the vaporized state is sprayed onto the outer surface of the second substrate G2 through the deposition source 540.
- the second thin film process for the second substrate G2 is performed. Meanwhile, as shown in FIG. 12, while the second thin film process is performed, the first substrate holder 520 is returned to its original horizontal state, and the first deposition mask M1 is separated from the first substrate G1.
- the first substrate G1 is drawn out through the first substrate outlet 512a and then put into the subsequent unit device.
- the first and second deposition masks M1 and M2 separated from the first and second substrates G1 and G2 are used in the next thin film process while staying in the apparatus.
- replacement factors such as contamination or damage due to prolonged use occur, they are transferred to the first and second mask receiving devices 310 and 320 and taken out into the atmosphere.
- the first and second deposition masks M1 and M2 are reused through operations such as cleaning and repair.
- the first and second mask receiving apparatuses 310 and 320 may be provided with a plurality of extra deposition masks to be used when replacing the used deposition masks.
- the thin film processing system includes a plurality of process lines PL1 and PL2 provided in the respective process apparatuses 210, 220, 230, 240, 250, and 260 through one deposition source 540 provided in each of the process apparatuses 210, 220, 230, 240, 250, and 260. Since a continuous thin film process can be carried out on the s), cost reduction and productivity improvement can be simultaneously achieved. In addition, while the thin film process is performed on the substrate G1 of one process line PL1, the substrate transfer and substrate / mask alignment of the substrate G2 of the other process line PL2 may be performed to reduce the waiting time. Therefore, productivity can be further improved.
- the thin film deposition apparatus and thin film deposition system of the present invention can be used to manufacture organic light emitting devices.
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Abstract
Description
Claims (16)
- 반응 공간이 형성된 챔버;기판이 수용되도록 형성되어 상기 챔버 내부에 서로 이격되도록 배치된 제1기판홀더 및 제2기판홀더;상기 제1기판홀더 및 제2기판홀더 사이에 배치되어 상기 제1기판홀더 및 제2기판홀더에 증착 원료를 공급하는 증착원; 및상기 제1기판홀더 및 제2기판홀더에 기판이 수용된 상태에서, 상기 제1기판홀더 및 제2기판홀더가 상기 챔버 내부의 특정 위치에 일정 시간 위치되게 하는 고정유닛;을 포함하는 박막 증착 장치.
- 제1항에 있어서,상기 제1기판홀더 및 제2기판홀더는 기판을 지면에 대해 수직인 상태로 지지하는 것을 특징으로 하는 박막 증착 장치.
- 제2항에 있어서,상기 고정유닛은:상기 제1기판홀더 및 제2기판홀더의 바닥면으로부터 상방으로 인입되게 형성된 고정부; 및상기 제1기판홀더 및 제2기판홀더가 특정 위치에 배치된 상태에서, 적어도 일부가 상기 고정부에 출입가능하도록 형성된 승강부;를 포함하는 박막 증착 장치.
- 제3항에 있어서,상기 제1기판홀더 및 제2기판홀더가 일방향으로 이동되는 것을 제한하는 이동제한유닛을 더 포함하는 것을 특징으로 하는 박막 증착 장치.
- 제4항에 있어서,상기 이동제한유닛은:상기 제1기판홀더 및 제2기판홀더 각각의 일면에 인접하게 배치되어 상기 제1기판홀더 및 제2기판홀더의 이동을 가이드하는 가이드부; 및상기 가이드부가 상기 제1기판홀더 및 제2기판홀더와 가까워지거나, 상기 제1기판홀더 및 제2기판홀더로부터 멀어지는 방향으로 이동되게 하는 동력부;를 포함하는 것을 특징으로 하는 박막 증착 장치.
- 제5항에 있어서,상기 가이드부는,상기 제1기판홀더 및 제2기판홀더 각각의 양측면에 배치된 다수의 롤러들인 것을 특징으로 하는 박막 증착 장치.
- 제2항에 있어서,상기 제1기판홀더 및 제2기판홀더는:기판을 지지하는 지지대; 및상기 지지대 상에 안착된 기판을 고정하는 클램프;를 포함하는 박막 증착 장치.
- 제2항에 있어서,상기 제1기판홀더 및 제2기판홀더는,상기 지지대를 수직 상태로 세우거나 수평 상태로 눕혀주는 구동부를 더 포함하는 것을 특징으로 하는 박막 증착 장치.
- 제1항에 있어서,상기 증착원은 상기 제1기판홀더 및 제2기판홀더 사이에 회전 가능하도록 형성된 것을 특징으로 하는 박막 증착 장치.
- 제1항에 있어서,상기 증착원은 점형, 선형 및 면형 증착원 중 선택된 어느 하나인 것을 특징으로 하는 박막 증착 장치.
- 제1항에 있어서,상기 챔버에는,상기 제1기판홀더 및 제2기판홀더 각각에 증착 마스크를 제공하거나, 또는 증착 마스크를 교체하기 위한 마스크 챔버가 연결되는 박막 증착 장치.
- 일렬로 연결된 다수의 장치들; 및상기 다수의 장치들에 형성된 제1,제2공정 라인;을 포함하고,상기 다수의 장치들 중 적어도 하나의 내부에는,상기 제1공정 라인을 이루는 제1기판 홀더;상기 제2공정 라인을 이루며 제1기판 홀더와 이격된 제2기판 홀더; 및상기 제1,제2기판 홀더 사이에 설치되며 증착 원료를 공급하는 증착원;이 마련되는 박막 증착 시스템.
- 제12항에 있어서,상기 증착원은 제1기판 홀더와 제2기판 홀더 사이에서 회전 가능한 박막 증착 시스템.
- 제12항에 있어서,상기 증착원은 점형, 선형 및 면형 증착원 중 적어도 어느 하나인 박막 증착 시스템.
- 제12항에 있어서,상기 다수의 장치들은,단위 공정을 수행하는 다수의 공정 장치들; 및상기 다수의 공정 장치들 사이에 연결된 다수의 완충 장치들;을 포함하는 박막 증착 시스템.
- 제15항에 있어서,상기 다수의 공정 장치에는,증착 마스크를 제공하거나, 또는 증착 마스크를 교체하기 위한 마스크 수용장치가 연결되는 박막 증착 시스템.
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KR102106414B1 (ko) * | 2013-04-26 | 2020-05-06 | 삼성디스플레이 주식회사 | 증착 챔버, 이를 포함하는 증착 시스템 및 유기 발광 표시장치 제조방법 |
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KR101036123B1 (ko) | 2011-05-23 |
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