WO2014132831A1 - 基板処理装置、マスクのセット方法、膜形成装置および膜形成方法 - Google Patents
基板処理装置、マスクのセット方法、膜形成装置および膜形成方法 Download PDFInfo
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- WO2014132831A1 WO2014132831A1 PCT/JP2014/053681 JP2014053681W WO2014132831A1 WO 2014132831 A1 WO2014132831 A1 WO 2014132831A1 JP 2014053681 W JP2014053681 W JP 2014053681W WO 2014132831 A1 WO2014132831 A1 WO 2014132831A1
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- substrate
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- nozzle
- bending deformation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/16—Arrangements for controlling delivery; Arrangements for controlling the spray area for controlling the spray area
- B05B12/20—Masking elements, i.e. elements defining uncoated areas on an object to be coated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B5/00—Electrostatic spraying apparatus; Spraying apparatus with means for charging the spray electrically; Apparatus for spraying liquids or other fluent materials by other electric means
- B05B5/025—Discharge apparatus, e.g. electrostatic spray guns
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K77/00—Constructional details of devices covered by this subclass and not covered by groups H10K10/80, H10K30/80, H10K50/80 or H10K59/80
- H10K77/10—Substrates, e.g. flexible substrates
Definitions
- the present invention relates to a substrate processing apparatus, a mask setting method, a film forming apparatus, and a film forming method, and more particularly to a substrate processing apparatus including a mask having a predetermined opening pattern, a mask setting method, a film forming apparatus, and a film forming method. .
- Patent Document 1 a substrate processing apparatus including a mask having a predetermined opening pattern is known (see, for example, Patent Document 1).
- Patent Document 1 a nozzle that sprays a solution material for an organic EL device in a state where a voltage is applied (a state in which the solution material is charged), a solution material sprayed from the nozzle is deposited, and an organic light emitting layer or the like is deposited.
- An electrospray apparatus substrate processing apparatus including a substrate on which a thin film for an organic EL device is formed and a mask disposed above the substrate and having a predetermined opening pattern is disclosed.
- the solution material is sprayed downward (substrate side) from the nozzle by the potential difference (electric field) between the voltage applied to the solution material and the substrate side, and through the opening of the mask.
- a thin film having a predetermined shape is formed by being deposited on the substrate.
- an electrospray apparatus in which a mask is disposed below the substrate and a nozzle is disposed below the mask.
- the solution material is sprayed upward (substrate side) from the nozzle, whereby a thin film having a predetermined shape is formed on the substrate through the mask.
- the mask is bent downward by its own weight because the mask is disposed below the substrate. While the substrate also bends downward due to its own weight, the mask is generally bent more than the substrate, so that a gap is formed between the substrate and the mask. For this reason, since the solution material goes around the gap between the substrate and the mask, there is a problem that the transferability of the opening pattern of the mask is deteriorated.
- the present invention has been made to solve the above-described problems, and one object of the present invention is that the transferability of the opening pattern of the mask is caused by a gap formed between the substrate and the mask. It is an object of the present invention to provide a substrate processing apparatus, a mask setting method, a film forming apparatus, and a film forming method capable of suppressing deterioration.
- a substrate processing apparatus includes a mask disposed in the vicinity of a substrate and having a predetermined opening pattern, and the mask is supported near the end of the mask.
- the first bending deformation amount below the mask is configured to be equal to or smaller than the second bending deformation amount below the substrate.
- the first bending deformation amount below the mask is equal to or less than the second bending deformation amount below the substrate with the vicinity of the edge of the mask being supported.
- the substrate processing apparatus further includes a suction stage having a suction portion that sucks a surface of the substrate opposite to the mask, and the suction portion of the suction stage causes the substrate to be bent by a second amount of deformation. It is comprised so that it may adsorb
- the first bending deformation amount can be made equal to or smaller than the second bending deformation amount downward of the substrate.
- the surface of the suction portion of the suction stage has a bending shape corresponding to the second bending deformation amount of the substrate. If comprised in this way, a board
- the mask when the mask is moved relative to the substrate so as to be in close contact with the substrate in a state where the vicinity of the end of the mask is supported, As the contact state progresses, the state is changed from the state having the first bending deformation amount to the state having the second bending deformation amount. If comprised in this way, the mask in the state which has the 1st bending deformation amount can be easily changed to the state which has the 2nd bending deformation amount by moving a mask relatively with respect to a board
- the first bending deformation amount downward of the mask having a predetermined opening pattern is not larger than the second bending deformation amount below the substrate.
- the first downward deformation amount of the mask having the predetermined opening pattern is equal to or smaller than the second downward deformation amount of the substrate.
- a film forming apparatus comprising: a nozzle for spraying a solution material in a state where a predetermined voltage is applied and depositing a thin film on a flexurally deformed substrate positioned above; A mask disposed in the vicinity of the substrate and having a predetermined opening pattern.
- the mask is supported in a state where the vicinity of the end of the mask is supported, and the first bending deformation amount below the mask is the first amount of deformation below the substrate. It is comprised so that it may become the magnitude
- the first bending deformation amount below the mask is equal to or less than the second bending deformation amount below the substrate with the vicinity of the end of the mask being supported.
- a film forming apparatus includes a nozzle that applies a coating solution to a substrate in a deformed state, and the nozzle is substantially spaced from the substrate along a locus along the deformed shape of the substrate.
- the coating operation is performed by moving relative to the substrate so as to be equal.
- the nozzle is moved relative to the substrate so that the distance between the nozzle and the substrate is substantially equal along the trajectory along the deformed shape of the substrate. Even when the substrate is in a bent state, the nozzle is relatively positioned with respect to the substrate while keeping the distance between the coating position where the coating liquid is applied to the substrate and the nozzle constant. Since the coating operation can be performed by moving the, the coating liquid can be uniformly applied to the substrate.
- the nozzle is relative to the substrate while changing an angle so that the nozzle is substantially perpendicular to the substrate along a trajectory along the deformed shape of the substrate. Configured to move to. If comprised in this way, not only the distance of the nozzle with respect to a board
- an adsorption stage including an adsorption unit that adsorbs the surface of the substrate opposite to the side to which the coating liquid is applied and maintains the substrate in a predetermined deformation shape.
- the nozzle is configured to perform a coating operation by moving relative to the suction stage along a trajectory along the bending deformation shape of the substrate in a state where the substrate is sucked to the suction portion of the suction stage. Yes.
- the substrate can be adsorbed on the surface of the adsorption part of the adsorption stage and the coating operation can be performed while maintaining the bending shape of the substrate, so that the trajectory along the maintained bending deformation shape of the substrate can be obtained.
- the nozzle can be easily moved relative to the suction stage.
- the application operation can be performed while the distance between the application position where the application liquid is applied to the substrate and the nozzle can be easily kept constant, so that the application liquid can be easily and uniformly applied to the substrate.
- the surface of the suction portion of the suction stage has a bent shape corresponding to a predetermined bent deformation shape of the substrate, and the nozzle is bent in a state where the substrate is sucked to the suction portion of the suction stage. It moves so as to move relative to the suction stage along a trajectory along the line and perform the coating operation.
- substrate can be easily maintained by the surface of the adsorption
- a nozzle is adsorbed by the locus
- the nozzle is preferably moved relative to the suction stage by moving the suction stage at least in the horizontal direction and the vertical direction with respect to the nozzle.
- the distance between the application position where the application liquid is applied to the substrate and the nozzle can be easily maintained constant while the nozzle is fixed by moving the suction stage in the horizontal direction and the vertical direction.
- movement can be performed.
- the suction stage moves in the rotation direction in addition to the horizontal direction and the vertical direction with respect to the nozzle, so that the nozzle moves relative to the suction stage.
- movement can be performed, keeping the angle of the nozzle with respect to the surface of the application
- a film forming method includes a step of supporting a substrate in a deformed and deformed state, and a step of applying a coating solution to the substrate in a deformed and deformed state with a nozzle, and applying the coating solution with the nozzle.
- the step of performing includes a step of performing a coating operation by moving the nozzle relative to the substrate so that the distance between the substrate and the nozzle is substantially equal to each other along a trajectory along the shape of the substrate that is bent and deformed.
- the nozzle is moved relative to the substrate so that the distance between the substrate and the nozzle is substantially equal to each other along the trajectory along the deformed shape of the substrate.
- 1 is a perspective view of an electrospray device according to an embodiment of the present invention. It is a top view of the electrospray apparatus by one Embodiment of this invention. 1 is a side view of an electrospray device according to an embodiment of the present invention. It is a perspective view of the adsorption
- the configuration of the electrospray apparatus 100 according to the present embodiment will be described with reference to FIGS.
- the electrospray apparatus 100 is an example of the “substrate processing apparatus” and “film forming apparatus” in the present invention.
- the electrospray apparatus 100 includes a nozzle 1, a suction stage 2, a mask 3 disposed between the nozzle 1 and the suction stage 2, and the mask 3 with an arrow Z1. And an elevating part 4 that elevates in the direction and the arrow Z2 direction.
- a substrate 5 made of glass or the like is disposed between the suction stage 2 and the mask 3.
- a thin film is formed on the substrate 5 by spraying the solution material from the nozzle 1 to the substrate 5 placed on the suction stage 2 through the mask 3.
- the nozzle 1 is sprayed upward (in the direction of the arrow Z1) while applying a predetermined voltage to a solution material (for example, PEDOT / PSS (poly (3,4-ethylenedithiophene), poly (stylensulfonate)) which is a conductive polymer.
- a solution material for example, PEDOT / PSS (poly (3,4-ethylenedithiophene), poly (stylensulfonate)
- a thin film (not shown) is configured to be deposited on the deflected and deformed substrate 5.
- the nozzle 1 is configured to be filled with a solution material, and the interior of the nozzle 1 is also configured.
- the electrode is provided with an electrode (not shown), and a voltage is applied to the solution material by the electrode.
- the nozzle 1 is disposed below the mask 3 (in the direction of arrow Z2).
- the nozzle 1 is configured to be movable in the X direction and the Y direction.
- the nozzle 1 is arranged to have an opening on the head 11 (in the Z1 direction).
- the head 11 is configured to be movable in the Y direction along the head support portion 12 extending in the Y direction.
- the head support portion 12 is configured to be movable in the X direction along a pair of fixed rail portions 13 provided on the base 101 and extending in the X direction.
- the nozzle 1 is configured to be able to move on the base 101 in the XY plane (in the horizontal plane).
- the nozzle 1 is configured to be moved in the vertical direction (Z direction) by an elevating mechanism (not shown) of the head 11. Further, as shown in FIG. 5, the nozzle 1 is configured to be tiltable with respect to the vertical direction in the YZ plane by a tilt mechanism (not shown) of the head 11.
- the adsorption stage 2 is made of metal and is electrically grounded.
- the suction stage 2 has a suction part 2a that sucks the surface of the substrate 5 opposite to the mask 3 (arrow Z1 direction side), and the suction part 2a of the suction stage 2 is
- the substrate 5 made of glass or the like is configured to be sucked and maintained while being bent so as to have a bending deformation amount d1. That is, the surface of the suction part 2 a of the suction stage 2 has a bending shape corresponding to the bending deformation amount d 1 of the substrate 5.
- the bending deformation amount d1 means a state where the central portion of the substrate 5 is bent downward by a distance d1 from a horizontal state where the substrate 5 is not bent.
- the suction part 2a is the surface of the suction stage 2 on the arrow Z2 direction side.
- the surface of the adsorbing portion 2a is formed in a catenary curve shape (a curve shape formed when hanging with both ends of a rope or the like).
- the surface of the suction part 2a of the suction stage 2 has a downwardly convex D shape (both ends on the X direction side centered on the axis A along the Y direction and in the direction of the arrow Z1). The shape is warped. That is, the surface of the suction part 2 a of the suction stage 2 has a bent shape corresponding to the predetermined bent deformation shape of the substrate 5.
- the substrate 5 is placed (sucked) on the lower surface (suction part 2 a) of the suction stage 2. Then, by providing a potential difference between the nozzle 1 and the adsorption stage 2, the solution material ejected from the nozzle 1 flies toward the adsorption stage 2. As a result, it is not necessary to directly apply the substrate 5 to the ground, so that it can be applied to a non-conductive substrate.
- the suction stage 2 is supported by a pair of support shafts 21 at both ends on the Y direction side.
- the pair of support shafts 21 are disposed at substantially the center in the X direction of the suction stage 2.
- the suction stage 2 is configured to be rotatable around a pair of support shafts 21.
- the nozzle 1 moves relative to the substrate 5 so that the distance h ⁇ b> 1 between the nozzle 5 and the substrate 5 is substantially equal to each other along a trajectory along the deformed shape of the substrate 5.
- the coating operation is performed.
- the nozzle 1 moves to the suction stage 2 along a trajectory along the bending deformation shape of the substrate 5 in a state where the substrate 5 is sucked to the suction portion 2a of the suction stage 2 and performs a coating operation.
- It is configured as follows. That is, the nozzle 1 is configured to move up and down in the Z direction (vertical direction) so as to follow the bending deformation shape of the substrate 5 when moving in the Y direction.
- the nozzle 1 is configured to move relative to the substrate 5 while changing the angle so that the nozzle 1 is substantially perpendicular to the substrate 5 along a trajectory along the deformed shape of the substrate 5.
- the nozzle 1 moves with respect to the suction stage 2 along the trajectory along the bending shape of the suction portion 2a in a state where the substrate 5 is sucked to the suction portion 2a of the suction stage 2 and performs a coating operation. Is configured to do.
- the mask 3 is made of a resin having excellent chemical resistance, processing accuracy, dimensional stability, insulation resistance, rigidity, and the like.
- the mask 3 is made of PTFE (Polytetrafluoroethylene), PP (Polypropylene), HDPE (High-density polyethylene), PET (Polyethylene terephthalate), EPOXY, glass epoxy, ABS (APE). (Polyoxymethylene).
- the mask 3 is disposed in the vicinity of the substrate 5 (adhered to the lower side of the substrate 5).
- the mask 3 is formed with a plurality of openings 31 having a predetermined opening pattern (substantially rectangular shape (substantially square shape)) in plan view.
- the plurality of openings 31 are arranged in a lattice shape (matrix shape).
- the mask 3 is formed in a substantially rectangular shape, and a through hole 32 through which a pin 4 a (see FIG. 7) provided in the elevating part 4 passes is provided in a corner portion of the substantially rectangular mask 3. Yes.
- Two through holes 32 are provided along the diagonal line of the substantially rectangular mask 3.
- the elevating part 4 has a plate-like support part 4b for supporting both end parts 3a (see FIG. 6) on the X direction side of the mask 3 from below. Further, a pin 4 a that engages with the through hole 32 of the mask 3 is provided at the end of the support portion 4 b on the arrow Y1 direction side (arrow Y2 direction side). Then, both end portions 3a of the mask 3 are configured to be supported by the support portion 4b in a state where the pin 4a is engaged with the through hole 32 of the mask 3.
- the mask 3 is bent and deformed downward (in the direction of the arrow Z2) of the mask 3 with the vicinity of the end 3a of the mask 3 supported by the elevating unit 4.
- the amount (d2) is configured to have a magnitude (d2 ⁇ d1) that is equal to or less than the amount (d1) of bending downward of the substrate 5.
- FIG. 8 shows a state in which the downward deformation amount (d2) of the mask 3 is smaller than the downward deformation amount of the substrate 5 (d2 ⁇ d1).
- the mask 3 has a shape bent in a D shape with the vicinity of the end 3a of the mask 3 supported by the elevating unit 4 (both ends 3a in the X direction are centered on the axis A along the Y direction). A shape warped in the direction of arrow Z1). Then, when the mask 3 is moved relative to the substrate 5 so as to be in close contact with the substrate 5 with the vicinity of the end 3 a of the mask 3 supported by the elevating unit 4, the mask 3 is in close contact with the substrate 5. As the state progresses, the state is changed from the state having the bending deformation amount d2 to the state having the bending deformation amount d1 (see FIG. 3).
- the substrate 5 that has not been bent and deformed is attracted to the suction portion 2a of the suction stage 2 so that the substrate 5 is bent downward so as to have a deflection amount d1. Adsorbed and maintained. Further, the vicinity of the end 3 a of the mask 3 is supported by the elevating unit 4. As a result, the mask 3 is bent downward so as to have a bending deformation amount d2 having a magnitude equal to or smaller than the bending deformation amount d1 of the substrate 5.
- the mask 3 is moved relative to the substrate 5 so as to be in close contact with the substrate 5 while supporting the vicinity of the end 3 a of the mask 3.
- the substrate 5 (the suction stage 2) is stationary, and the mask 3 is lifted upward (in the direction of the arrow Z1) by the elevating unit 4. That is, the mask 3 is brought close to the substrate 5.
- the vicinity of the central portion of the substrate 5 and the vicinity of the central portion of the mask 3 are in contact with each other.
- the mask 3 is further lifted by the elevating unit 4, so that the mask 3 has a bending deformation amount d ⁇ b> 2 while the shape of the mask 3 follows the shape of the substrate 5. It changes to a state having d1.
- the entire lower surface (surface on the arrow Z2 direction side) of the substrate 5 and the entire upper surface (surface on the arrow Z1 direction side) of the mask 3 are in close contact with each other. Thereby, the setting of the mask 3 is completed.
- the amount of bending deformation d2 downward of the mask 3 is less than or equal to the amount of bending deformation d1 downward of the substrate 5 while the vicinity of the end 3a of the mask 3 is supported.
- the mask 3 is configured as follows. As a result, the mask 3 is moved relative to the substrate 5 so that the mask 3 is in close contact with the substrate 5, thereby changing the state in which the mask 3 has the deflection amount d 2 from the state having the deflection amount d 2. Therefore, the mask 3 and the substrate 5 can be brought into close contact with each other with no gap between the mask 3 and the substrate 5. As a result, it is possible to prevent the transferability of the opening pattern of the mask 3 from being deteriorated due to the formation of a gap between the substrate 5 and the mask 3.
- the suction stage 2 having the suction portion 2a that sucks the surface of the substrate 5 opposite to the mask 3 is provided, and the suction portion 2a of the suction stage 2 is replaced with the substrate 5. It is configured to be attracted and maintained in a state of being bent so as to have a bending deformation amount d1. Thereby, even when the substrate 5 is not bent, the substrate 5 can be bent by the suction portion 2a of the suction stage 2 so as to have the bending deformation amount d1, so that the substrate 5 can be easily moved below the mask 3.
- the bending deformation amount d ⁇ b> 2 can be made to be not larger than the bending deformation amount d ⁇ b> 1 downward of the substrate 5.
- the surface of the suction portion 2a of the suction stage 2 is configured to have a bending shape corresponding to the bending deformation amount d1 of the substrate 5.
- the substrate 5 can be easily bent to have the bending deformation amount d1 simply by adsorbing the substrate 5 to the surface of the adsorption portion 2a.
- the mask 3 when the vicinity of the end 3a of the mask 3 is supported and moved relative to the substrate 5 so as to be in close contact with the substrate 5,
- the mask 3 is configured to change from a state having the bending deformation amount d2 to a state having the bending deformation amount d1 as the contact state advances.
- the mask 3 of the state which has the bending deformation amount d2 can be easily changed to the state which has the bending deformation amount d1.
- the nozzle 1 is moved relative to the substrate 5 so that the distance h1 between the nozzle 5 and the substrate 5 is substantially equal to each other along a trajectory along the deformed shape of the substrate 5.
- the coating operation is performed so that the distance between the coating position where the coating liquid is applied to the substrate 5 and the nozzle 1 is kept constant with respect to the substrate 5. Since the application operation can be performed by relatively moving the nozzle 1, the application liquid can be uniformly applied to the substrate 5.
- the nozzle 1 is changed with respect to the substrate 5 while changing the angle so that the nozzle 1 is substantially perpendicular to the substrate 5 along a locus along the deformed shape of the substrate 5. It is configured to move relatively. Thereby, not only the distance of the nozzle 1 with respect to the substrate 5 is kept constant, but also the angle of the nozzle 1 with respect to the surface of the application position where the coating liquid is applied to the substrate 5 is kept substantially perpendicular to the substrate 5. Since the application operation can be performed by moving the nozzle 1, the application liquid can be more effectively and uniformly applied to the substrate 5.
- the nozzle 1 is moved relative to the suction stage 2 along the trajectory along the bending deformation shape of the substrate 5 in a state where the substrate 5 is sucked to the suction portion 2a of the suction stage 2.
- the coating operation is performed by relatively moving. Accordingly, the application operation can be performed while adsorbing the substrate 5 to the surface of the adsorption part 2a of the adsorption stage 2 and maintaining the bending shape of the substrate 5, so that the locus along the bent deformation shape of the substrate 5 is maintained.
- the nozzle 1 can be easily moved relative to the suction stage 2.
- the coating operation can be performed while the distance between the coating position where the coating liquid is applied to the substrate 5 and the nozzle 1 can be easily kept constant, the coating liquid can be easily and uniformly applied to the substrate 5. it can.
- the nozzle 1 is moved relative to the suction stage 2 along a trajectory along a bent shape in a state where the substrate 5 is sucked to the suction portion 2a of the suction stage 2.
- the coating operation is performed.
- the substrate 5 can be easily maintained in a predetermined bending deformation shape by the surface of the suction portion 2a of the suction stage 2, so that the nozzle 1 moves along the locus of the suction portion 2a of the suction stage 2.
- the distance between the nozzle 1 and the application position where the application liquid is applied to the substrate 5 can be easily kept constant by moving the nozzle 1 relative to the suction stage 2.
- the substrate processing apparatus (film forming apparatus) of the present invention is shown in the form of an electrospray apparatus, but the present invention is not limited to this.
- the present invention may be applied to a substrate processing apparatus (film forming apparatus) other than an electrospray apparatus as long as the mask is used.
- the amount of deformation deformation (d2) below a mask was shown smaller than the amount of deformation deformation below a board
- substrate was made to adsorb
- substrate was bent so that it might have a deformation amount d1.
- the substrate may be bent so as to have the bending deformation amount d1 by a method other than the method of adsorbing the substrate to the adsorption portion (surface) of the adsorption stage. For example, after the surface of the substrate is adsorbed by a suction pad or the like (or after the end portion of the substrate is gripped), the substrate may be bent so as to have a bending deformation amount d1.
- the amount of deformation of the mask may be temporarily made smaller than the amount of deformation of the substrate by pulling both ends of the mask outward. Then, after contacting the vicinity of the central portion of the substrate and the vicinity of the central portion of the mask, the surface of the lower surface of the substrate is made to follow the shape of the substrate while gradually reducing the tension that pulls both ends of the mask. And the entire upper surface of the mask are brought into close contact with each other. Note that when the tension is completely zero, the mask is bent and does not come into close contact with the substrate. Therefore, a tension sufficient to maintain the close contact state is necessary.
- the amount of bending deformation of the mask can be made smaller than the amount of bending deformation of the substrate. Even when the mask is formed by this, it is possible to suppress the formation of a gap between the substrate and the mask. That is, the allowable range of the amount of deformation of the mask can be expanded.
- the substrate and the mask are bent into a downwardly convex D shape (centering on the axis A along the Y direction (see FIG. 3), both ends in the X direction of the substrate and the mask are arrows Z1.
- the present invention is not limited to this.
- the substrate and the mask may be bent into a hemisphere.
- the mask is brought into close contact with the substrate by bringing the mask closer to the substrate, but the present invention is not limited to this.
- the mask and the substrate may be moved relatively to be in close contact with each other.
- the mask may be made of metal.
- the mask made of metal has an amount of bending deformation below the mask in a state where the vicinity of the end of the mask is supported, and is not more than the amount of bending deformation below the substrate adsorbed by the adsorption portion. It needs to be large.
- the suction stage 2 is at least in the horizontal direction (Y direction) and the vertical direction (Z direction) with respect to the nozzle 1.
- the nozzle 1 may be configured to move relative to the suction stage 2.
- the suction stage 2 is moved by the distance Ya in the horizontal direction (Y direction) and the distance Za in the vertical direction (Z direction) so that the distance h1 between the nozzle 1 and the substrate 5 is constant by the drive mechanism 22a. Also good.
- the angle of the nozzle 1 may be changed so as to be substantially perpendicular to the surface of the substrate 5 that has been bent and deformed.
- the suction stage 2 is added to the nozzle 1 in the horizontal direction (Y direction) and the vertical direction (Z direction).
- the nozzle 1 may be moved relative to the suction stage 2 by moving in the rotation direction (direction A).
- the suction mechanism 2 is moved by the drive mechanism 22b in the horizontal direction (Y direction), the vertical direction (Z direction), and the rotation direction (A direction) so that the distance h1 between the nozzle 1 and the substrate 5 is constant. May be.
- the rotation axis in the rotation direction may be a direction (X direction) perpendicular to the direction (Z direction) in which the nozzle 1 extends.
- the rotation axis in the rotation direction may exist on the horizontal direction (XY direction).
- the rotation axis in the rotation direction may be the ridge (ridgeline) direction (X direction) of the substrate 5 in the bent state.
- the present invention is not limited to this.
- the present invention can also be applied to a configuration in which a substrate is disposed below or on the side of a nozzle for application.
- a substrate made of glass or the like is arranged on the suction stage, but the present invention is not limited to this.
- a film-like substrate may be arranged on the suction stage.
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Abstract
Description
より、マスク3の形状が基板5の形状に倣いながら、マスク3が撓み変形量d2を有する状態から撓み変形量d1を有する状態に変化する。その結果、基板5の下面(矢印Z2方向側の面)の全面と、マスク3の上面(矢印Z1方向側の面)の全面とが密着した状態となる。これにより、マスク3のセットが完了される。
2 吸着ステージ
2a 吸着部
3 マスク
3a 端部
5 基板
100、100a、100b エレクトロスプレー装置(基板処理装置、膜形成装置)
Claims (13)
- 基板の近傍に配置され、所定の開口パターンを有するマスクを備え、
前記マスクは、前記マスクの端部近傍が支持された状態で、前記マスクの下方への第1撓み変形量が前記基板の下方への第2撓み変形量以下の大きさになるように構成されている、基板処理装置。 - 前記基板の前記マスクとは反対側の表面を吸着する吸着部を有する吸着ステージをさらに備え、
前記吸着ステージの前記吸着部は、前記基板を前記第2撓み変形量を有するように撓ませた状態で吸着して維持するように構成されている、請求項1に記載の基板処理装置。 - 前記吸着ステージの前記吸着部の表面は、前記基板の第2撓み変形量に対応する撓み形状を有している、請求項2に記載の基板処理装置。
- 前記マスクは、前記マスクの端部近傍が支持された状態で前記基板に密着するように前記基板に対して相対的に移動される際に、前記基板への密着状態が進行するのに伴って、前記第1撓み変形量を有する状態から前記第2撓み変形量を有する状態に変化するように構成されている、請求項1~3のいずれか1項に記載の基板処理装置。
- 所定の開口パターンを有するマスクの下方への第1撓み変形量が基板の下方への第2撓み変形量以下の大きさになるように、前記マスクの端部近傍を支持するステップと、
前記マスクの端部近傍を支持した状態で前記基板に密着するように前記基板に対して相対的に移動させて、前記第1撓み変形量を有する状態から前記第2撓み変形量を有する状態に前記マスクを変化させるステップとを備える、マスクのセット方法。 - 溶液材料に所定の電圧を印加した状態で噴霧して上方に位置する撓み変形した基板に薄膜を堆積するノズルと、
前記ノズルと前記基板との間の前記基板の近傍に配置され、所定の開口パターンを有するマスクとを備え、
前記マスクは、前記マスクの端部近傍が支持された状態で、前記マスクの下方への第1撓み変形量が前記基板の下方への第2撓み変形量以下の大きさになるように構成されている、膜形成装置。 - 前記ノズルは、前記基板の撓み変形した形状に沿った軌跡で前記基板との間隔が互いに略等しくなるように前記基板に対して相対的に移動して塗布動作を行うように構成されている、請求項6に記載の膜形成装置。
- 前記ノズルは、前記基板の撓み変形した形状に沿った軌跡で前記基板に対して略垂直になるように角度を変化させながら、前記基板に対して相対的に移動するように構成されている、請求項7に記載の膜形成装置。
- 前記基板の前記塗布液が塗布される側とは反対側の表面を吸着するとともに前記基板を所定の撓み変形形状に維持する吸着部を含む吸着ステージをさらに備え、
前記ノズルは、前記吸着ステージの前記吸着部に前記基板が吸着された状態で、前記基板の撓み変形形状に沿った軌跡で前記吸着ステージに対して相対的に移動して塗布動作を行うように構成されている、請求項7または8に記載の膜形成装置。 - 前記吸着ステージの吸着部の表面は、前記基板の所定の撓み変形形状に対応する撓み形状を有し、
前記ノズルは、前記吸着ステージの吸着部に前記基板が吸着された状態で、前記撓み形状に沿った軌跡で前記吸着ステージに対して相対的に移動して塗布動作を行うように構成されている、請求項9に記載の膜形成装置。 - 前記吸着ステージが前記ノズルに対して少なくとも水平方向および鉛直方向に移動することにより、前記ノズルが前記吸着ステージに対して相対的に移動するように構成されている、請求項9または10に記載の膜形成装置。
- 前記吸着ステージが前記ノズルに対して水平方向および鉛直方向に加えて回転方向にも移動することにより、前記ノズルが前記吸着ステージに対して相対的に移動するように構成されている、請求項9~11のいずれか1項に記載の膜形成装置。
- 所定の開口パターンを有するマスクの下方への第1撓み変形量が基板の下方への第2撓み変形量以下の大きさになるように、前記マスクの端部近傍を支持するステップと、
前記マスクの端部近傍を支持した状態で前記基板に密着するように前記基板に対して相対的に移動させて、前記第1撓み変形量を有する状態から前記第2撓み変形量を有する状態に前記マスクを変化させるステップと、
撓み変形した状態の前記基板にノズルにより塗布液を塗布するステップとを備え、
ノズルにより塗布液を塗布するステップは、前記基板の撓み変形した形状に沿った軌跡
で前記基板と前記ノズルとの間隔が互いに略等しくなるように前記基板に対して前記ノズ
ルを相対的に移動して塗布動作を行うステップを含む、膜形成方法。
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JP2021143408A (ja) * | 2020-03-13 | 2021-09-24 | キヤノントッキ株式会社 | マスク取付装置、成膜装置、マスク取付方法、成膜方法、電子デバイスの製造方法、マスク、基板キャリア、及び基板キャリアとマスクのセット |
US11207707B2 (en) | 2017-03-22 | 2021-12-28 | Hefei Boe Optoelectronics Technology Co., Ltd. | Curved surface coating device for curved surface display panel and glue coating apparatus |
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