WO2022145875A1 - 레이저 발광 소자를 이용한 기판 열처리 장치 - Google Patents
레이저 발광 소자를 이용한 기판 열처리 장치 Download PDFInfo
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- WO2022145875A1 WO2022145875A1 PCT/KR2021/019710 KR2021019710W WO2022145875A1 WO 2022145875 A1 WO2022145875 A1 WO 2022145875A1 KR 2021019710 W KR2021019710 W KR 2021019710W WO 2022145875 A1 WO2022145875 A1 WO 2022145875A1
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- cooling
- gas
- substrate
- plate
- module
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- 239000000758 substrate Substances 0.000 title claims abstract description 138
- 238000000137 annealing Methods 0.000 title abstract 2
- 239000007789 gas Substances 0.000 claims abstract description 114
- 238000001816 cooling Methods 0.000 claims abstract description 103
- 239000000112 cooling gas Substances 0.000 claims abstract description 65
- 238000000034 method Methods 0.000 claims abstract description 64
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000005507 spraying Methods 0.000 claims abstract description 3
- 238000010438 heat treatment Methods 0.000 claims description 40
- 238000002347 injection Methods 0.000 claims description 28
- 239000007924 injection Substances 0.000 claims description 28
- 230000001678 irradiating effect Effects 0.000 claims description 9
- 239000010453 quartz Substances 0.000 claims description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000001914 filtration Methods 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 239000011521 glass Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 239000012790 adhesive layer Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000000498 cooling water Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 238000005468 ion implantation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910003902 SiCl 4 Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- SLLGVCUQYRMELA-UHFFFAOYSA-N chlorosilicon Chemical compound Cl[Si] SLLGVCUQYRMELA-UHFFFAOYSA-N 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67115—Apparatus for thermal treatment mainly by radiation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/02—Pretreatment of the material to be coated
- C23C16/0209—Pretreatment of the material to be coated by heating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
- H01L21/67109—Apparatus for thermal treatment mainly by convection
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/683—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L21/687—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68764—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for supporting or gripping using mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a movable susceptor, stage or support, others than those only rotating on their own vertical axis, e.g. susceptors on a rotating caroussel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/10—Construction or shape of the optical resonator, e.g. extended or external cavity, coupled cavities, bent-guide, varying width, thickness or composition of the active region
- H01S5/18—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities
- H01S5/183—Surface-emitting [SE] lasers, e.g. having both horizontal and vertical cavities having only vertical cavities, e.g. vertical cavity surface-emitting lasers [VCSEL]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
- H01S5/00—Semiconductor lasers
- H01S5/40—Arrangement of two or more semiconductor lasers, not provided for in groups H01S5/02 - H01S5/30
- H01S5/4025—Array arrangements, e.g. constituted by discrete laser diodes or laser bar
- H01S5/4031—Edge-emitting structures
Definitions
- the present invention relates to a substrate heat treatment apparatus using a laser light emitting device that heats a flat substrate using a laser beam irradiated from the laser light emitting device.
- a flat substrate such as a semiconductor wafer or a glass substrate for a flat panel display device may be manufactured as a semiconductor or flat panel display module by performing a heat treatment process such as an epitaxial process, a thin film crystallization process, an ion implantation process, or an activation process.
- a heat treatment process such as an epitaxial process, a thin film crystallization process, an ion implantation process, or an activation process.
- the epitaxial process is a process of growing a thin film required on the surface of a semiconductor wafer.
- the epitaxial process is performed by injecting a process gas into a process chamber maintained at a high temperature of 600° C. or higher in a vacuum state.
- the semiconductor wafer needs to maintain a uniform temperature as a whole during the process, and it is necessary to reduce the effect of the emissivity of the outer housing 110 constituting the process chamber.
- the emissivity of a component facing the upper surface of the semiconductor wafer or a wall surface affects the process temperature of the semiconductor wafer, so it is necessary to maintain a constant emissivity.
- the heat treatment process is a method of performing heat treatment by uniformly irradiating a laser beam on a semiconductor wafer using an irradiation module in which a plurality of VCSEL devices are disposed to cover a large area and irradiate a laser beam.
- the VCSEL device may emit a laser beam from a micro-emitter.
- the irradiation module uses the divergence of the laser beam emitted from the VCSEL element, and can uniformly heat the semiconductor wafer through overlapping of the laser beam emitted from the VCSEL element adjacent to each other.
- the irradiation module may constitute a sub-irradiation module including a plurality of VCSEL elements, and the plurality of sub-irradiation modules may be disposed up to an area covering the entire semiconductor wafer.
- the heat treatment process requires a small temperature deviation and high temperature uniformity according to the miniaturization of semiconductor technology.
- the currently used heat treatment apparatus has a problem in that it is difficult to realize the required temperature uniformity due to various limitations.
- An object of the present invention is to provide a substrate heat treatment apparatus using a laser light emitting device, which has a cooling function to reduce the temperature deviation of the flat substrate, reduces the temperature deviation of the flat substrate in the heat treatment process, and can increase the temperature uniformity do.
- a substrate heat treatment apparatus using a laser light emitting device of the present invention includes a process chamber having a flat substrate to be heat treated therein, a beam irradiation plate positioned below the flat substrate, and an infrared transmitting plate positioned above the flat substrate; and a beam irradiation module for irradiating a laser beam to the lower surface of the flat substrate through the beam irradiation plate, and a gas circulation cooling module for cooling by spraying cooling gas to the upper surface of the infrared transmitting plate.
- the process chamber includes a side wall on which the flat substrate is seated, an outer housing in which the infrared transmitting plate and the upper plate are positioned on the flat substrate inside the side wall, and the flat substrate inside the outer housing. and an inner housing positioned at a lower portion and positioned at an upper portion of the beam irradiation plate, and the beam irradiation module may be positioned below the beam irradiation plate within the inner housing.
- the gas gentle cooling module has a gas injection hole penetrating from the upper surface to the lower surface, is located between the upper plate and the infrared transmission plate, and injects the cooling gas to the upper surface of the infrared transmission plate through the gas injection hole It may include a gas injection plate, a gas supply pipe for supplying the cooling gas to the upper portion of the gas injection plate, and a gas discharge pipe for discharging the cooling gas injected to the infrared transmission plate.
- the substrate heat treatment apparatus may further include a gas circulation cooling module for cooling the cooling gas discharged from the gas discharge pipe and supplying it to the gas supply pipe.
- the gas circulation cooling module includes a first cooling unit that is connected to the gas discharge pipe and cools the cooling gas discharged from the gas discharge pipe, and is connected to the first cooling unit to suck the cooling gas to the first cooling unit. It may include a blower to flow in, and a filter unit connected to the blower for filtering the cooling gas.
- the gas circulation cooling module may further include a second cooling unit as the filter unit by being positioned between the blower and the filter unit to cool the cooling gas supplied from the blower.
- the infrared transmitting plate may be formed of transparent quartz.
- the process chamber may further include a substrate support for supporting the outside of the flat substrate, and the substrate heat treatment apparatus using the VCSEL may further include a substrate rotation module for supporting and rotating the substrate support.
- the substrate rotation module has a ring shape in which N poles and S poles are alternately formed along the circumferential direction, and the inner rotation means coupled to the lower part of the substrate support in the interior of the chamber lower space and the outside of the outer housing It may be provided with an outer rotation means positioned opposite the inner rotation means to generate a magnetic force to rotate the inner rotation means.
- the beam irradiation module may include a laser light emitting device, and the laser light emitting device may include a surface emitting laser device or an edge emitting laser device.
- the beam irradiation module may include a laser light emitting device, and the laser light emitting device may include a VCSEL device.
- an infrared transmitting plate formed of transparent quartz is positioned in an area of the outer housing 110 opposite to the flat substrate to transmit radiant energy generated from the flat substrate to the outside to transmit the flat substrate. can keep the temperature uniform.
- the substrate heat treatment apparatus using the laser light emitting device of the present invention reduces the deposition of the process gas on the inner surface of the infrared transmission plate by supplying a cooling gas to the outer surface of the infrared transmission plate during the heat treatment process, thereby increasing the emissivity of the infrared transmission plate. increase can be prevented.
- the substrate heat treatment apparatus using the laser light emitting device of the present invention cools and re-supply the cooling gas supplied to the outer surface of the infrared transmitting plate using an external gas circulation cooling module, thereby reducing the amount of cooling gas used and lowering the process cost.
- FIG. 1 is a block diagram of a substrate heat treatment apparatus using a laser light emitting device according to an embodiment of the present invention.
- FIG. 2 is a partial perspective view of the beam irradiation module of FIG. 1 .
- FIG. 3 is a vertical cross-sectional view taken along line A-A of FIG. 2 .
- FIG. 4 is a block diagram of the gas circulation cooling module of FIG. 1 .
- FIG. 1 is a block diagram of a substrate heat treatment apparatus using a laser light emitting device according to an embodiment of the present invention.
- FIG. 2 is a partial perspective view of the beam irradiation module of FIG. 1 .
- FIG. 3 is a vertical cross-sectional view taken along line A-A of FIG. 2 .
- 4 is a block diagram of the gas circulation cooling module of FIG. 1 .
- a substrate heat treatment apparatus 10 using a laser light emitting device with reference to FIGS. 1 to 4 , a process chamber 100 , a beam irradiation module 200 , a gas injection module 300 and It may include a gas circulation cooling module 400 and a substrate rotation module 500 .
- the flat substrate (a) may be a semiconductor wafer or a glass substrate.
- the flat substrate (a) may be a flexible substrate such as a resin film.
- the flat substrate (a) may include various elements or conductive patterns formed on the surface or inside.
- the substrate heat treatment apparatus 10 may use a laser light emitting device as a thermal light source in a beam irradiation module for heating the flat substrate (a).
- the laser light emitting device may be a surface emitting laser device or an edge emitting laser device.
- the laser light emitting device may be a VCSEL device.
- the laser light emitting device may be formed of a device irradiating a laser beam of a single wavelength.
- the laser light emitting device may be a VCSEL device irradiating a laser beam having a single wavelength of about 940 nm.
- the substrate heat treatment apparatus 10 may heat the flat substrate a by irradiating the laser beam generated by the beam irradiation module 200 to the flat substrate a.
- the process chamber 100 may include an outer housing 110 , an inner housing 120 , a beam irradiation plate 130 , a substrate support 140 , and an infrared transmission plate 150 .
- the process chamber 100 may provide a space in which the flat substrate a is accommodated and heat-treated therein.
- the flat substrate a may be supported by the substrate support 140 inside the process chamber 100 .
- the process chamber 100 allows the laser beam generated by the beam irradiation module 200 positioned outside to be irradiated to the lower surface of the flat substrate positioned therein.
- the process chamber 100 passes through the beam irradiation plate 130 so that the laser beam is irradiated to the lower surface of the flat substrate a seated on the substrate support 140 .
- the outer housing 110 is formed in a cylindrical shape with a hollow inside, and may include a side wall 111 , an upper plate 112 , and a lower plate 113 .
- the outer housing 110 may be formed in a substantially cylindrical shape, a square cylindrical shape, a pentagonal cylindrical shape, or a hexagonal cylindrical shape.
- the outer housing 110 may be formed in a shape having a larger horizontal cross-sectional area than the area of the flat substrate (a) to be heat-treated therein.
- the side wall 111 may be formed in a hollow cylindrical shape, a rectangular cylindrical shape, a pentagonal cylindrical shape, or a hexagonal cylindrical shape.
- the side wall 111 provides a chamber upper space 100a in which heat treatment is performed and heat treatment is performed therein.
- the side wall 111 provides a space in which a part of the beam irradiation module 200 and the substrate rotation module 500 are accommodated therein.
- the upper plate 112 may be formed in a plate shape corresponding to the top planar shape of the side wall 111 .
- the upper plate 112 may be coupled to the upper end of the side wall 111 and seal the upper portion of the side wall 111 .
- the lower plate 113 corresponds to the lower planar shape of the side wall 111 , and a lower through hole 113 is formed inside.
- the lower plate 113 may be formed as a circular ring or a square ring having a predetermined width.
- the lower plate 113 may be formed in various shapes according to the lower planar shape of the chamber lower space 100b.
- the lower plate 113 is coupled to the lower portion of the side wall 111 and shields the outside of the lower side wall 111 .
- a lower portion of the inner housing 120 described below may be coupled to the outside of the through hole of the lower plate 113 .
- the inner housing 120 is formed in a cylindrical shape with a hollow inside, and may be formed in a cylindrical shape, a square cylindrical shape, a pentagonal cylindrical shape, or a hexagonal cylindrical shape.
- the inner housing 120 may have an outer diameter or an outer width smaller than an inner diameter or an inner width of the outer housing 110 .
- the inner housing 120 may be formed to have a lower height than the outer housing 110 .
- the inner housing 120 may be formed at a height with an upper side positioned below the flat substrate (a) seated inside the process chamber 100 .
- the inner housing 120 may be formed to have a diameter or a width greater than a diameter or a width of the flat substrate (a) positioned thereon.
- the inner housing 120 may be formed to have a larger horizontal area than the flat substrate (a). Accordingly, a chamber upper space 100a in which the flat substrate a is seated is formed in the upper portion of the inner housing 120 . That is, the chamber upper space 100a is formed above the inner housing 120 inside the outer housing 110 and provides a space in which the flat substrate a is seated.
- the flat substrate (a) may be located in the chamber upper space (100a) so that the lower surface of the region to be heat treated when viewed from the bottom of the inner housing (120) is exposed.
- the lower side of the inner housing 120 may be coupled to be positioned at the same height as the lower side of the outer housing 110 .
- the lower end of the inner housing 120 may be coupled to the inner side of the lower plate 113 . Accordingly, a space between the outer side of the inner housing 120 and the inner side of the outer housing 110 may be sealed by the lower plate 113 .
- a chamber lower space 100b may be formed between the outer surface of the inner housing 120 and the inner surface of the outer housing 110 .
- the chamber upper space 100a and the chamber lower space 100b can be maintained in a vacuum or process gas atmosphere while being shielded from the outside by the outer housing 110 , the inner housing 120 , and the lower plate 113 .
- the beam irradiation plate 130 is coupled to the upper portion of the inner housing 120 and may be located under the flat substrate (a).
- the beam irradiation plate 130 may be formed of a transparent plate through which a laser beam passes, such as quartz or glass.
- the beam irradiation plate 130 allows the laser beam to pass through and irradiate the lower surface of the flat substrate (a). More specifically, the beam irradiation plate 130 allows the laser beam incident through the lower surface of the inner housing 120 to be irradiated to the lower surface of the flat substrate (a).
- the beam irradiation plate 130 may be formed to have an area larger than that of the flat substrate (a).
- the beam irradiation plate 130 may be formed to have a diameter or a width greater than that of the flat substrate (a).
- the beam irradiation plate 130 may be preferably formed to have a diameter or width of 1.1 times or more than the diameter or width of the flat substrate (a). In this case, the beam irradiation plate 130 may allow the laser beam to be irradiated to the lower surface of the flat substrate (a) as a whole.
- the substrate support 140 may include an upper support 141 and a connection support 142 .
- the substrate support 140 may be positioned above the inner housing 120 to support the lower outer side of the flat substrate a so that the lower surface of the flat substrate a is exposed.
- the substrate support 140 may extend into the chamber lower space 100b and be coupled to the substrate rotation module 500 .
- the substrate support 140 may rotate the flat substrate a by the action of the substrate rotation module 500 .
- the upper support 141 may have a substrate exposure hole 141a therein and may be formed in a ring shape having a predetermined width.
- the upper support 141 may support the lower outer side of the flat substrate (a) while exposing the lower surface of the flat substrate (a).
- the upper support 141 may be formed to have a diameter or a width greater than that of the flat substrate (a).
- the substrate exposure hole 141a may be formed in the center of the upper support 141 through the upper surface and the lower surface.
- the substrate exposure hole 141a may be formed in a predetermined area so as to completely expose an area requiring heat treatment on the lower surface of the flat substrate a.
- connection support 142 is formed in a cylindrical shape with an open upper and lower portions, and may be formed in a shape corresponding to the shape of the inner housing 120 .
- the lower support may be formed in a cylindrical shape corresponding to the case in which the inner housing 120 is formed in a cylindrical shape.
- the connection support 142 may be positioned over the chamber upper space 100a and the chamber lower space 100b.
- the connection support 142 may have an upper portion coupled to the outside of the upper supporter 141 , and a lower portion extending into the chamber lower space 100b to be coupled to the substrate rotation module 500 . Accordingly, the connection support 142 may rotate the upper support 141 and the flat substrate a while being rotated by the substrate rotation module 500 .
- the infrared transmitting plate 150 may be formed in a plate shape corresponding to the planar shape of the upper sidewall 111 .
- the infrared transmitting plate 150 may be formed of transparent quartz.
- the infrared transmitting plate 150 may be positioned between the upper plate 112 and the substrate support 140 on the side wall 111 .
- the infrared transmitting plate 150 may separate the chamber upper space 100a of the outer housing 110 into a heat treatment space 100c and a cooling gas space 100d.
- the heat treatment space is a space in which the flat substrate (a) is located and heat treatment is performed.
- the cooling gas space is a space into which a cooling gas for cooling the infrared transmission plate 150 is introduced, and is located above the heat treatment space.
- the infrared transmitting plate 150 may have a lower surface facing the upper surface of the flat substrate (a) on the upper portion of the flat substrate (a).
- the infrared transmission plate 150 forms the upper surface of the outer housing 110, the side wall 111 and the upper plate 112 of the upper portion of the infrared transmission plate 150 are separately formed to form the infrared transmission plate 150. may be coupled to the top of the
- the infrared transmitting plate 150 may be formed of transparent quartz to transmit radiant energy generated from the flat substrate (a) to the outside during the heat treatment process.
- the infrared transmitting plate 150 may transmit radiant energy of a wavelength including infrared rays to the outside.
- the infrared transmitting plate 150 may be maintained at a temperature of 400° C. or less, and preferably at a temperature of 300 to 400° C. Since the infrared transmitting plate 150 is maintained at a temperature of 300 to 400° C., chemical vapor deposition by a process gas is prevented, so that an increase in emissivity by deposition can be prevented.
- the process gas may be different depending on the type of the heat treatment process. For example, in the epitaxial process, gases such as SiH 4 , SiH 2 Cl 2 , SiHCl 3 , or SiCl 4 may be used as the process gas.
- the temperature of the cooling gas is 400° C. or less, chemical vapor deposition can be significantly reduced.
- the emissivity of the infrared transmitting plate 150 is not increased according to the number of heat treatment processes, the process temperature difference between the flat plate substrates (a) on which the process is performed can be reduced.
- the beam irradiation module 200 may include an element array plate 210 and a sub-irradiation module 220 .
- the beam irradiation module 200 may be located at the lower outer side of the process chamber 100 to irradiate a laser beam to the lower surface of the flat substrate a through the beam irradiation plate 130 .
- the beam irradiation module 200 may be located under the beam irradiation plate 130 inside the inner housing 120 .
- a plurality of sub-irradiation modules 220 may be arranged on the upper surface of the element arrangement plate 210 in a lattice form. Referring to FIG. 2 , the sub-irradiation module 220 may be arranged in the x-direction and the y-direction on the upper surface of the element array plate 210 in a grid shape.
- the device arrangement plate 210 may be formed in a plate shape having a predetermined area and thickness.
- the device arrangement plate 210 may be formed to correspond to the shape and area of the flat substrate (a).
- the element arrangement plate 210 may be formed of a thermally conductive ceramic material or a metallic material.
- the device arrangement plate 210 may function to dissipate heat generated from the laser light emitting device.
- the sub-irradiation module 220 may include a device substrate 221 , a laser light emitting device 222 , an electrode terminal 223 , and a cooling block 224 .
- a plurality of the sub-irradiation modules 220 may be arranged in a grid direction on the element arrangement plate 210 .
- the sub-irradiation module 220 may be arranged in an area necessary for irradiating a laser beam to the irradiation area of the flat substrate (a) on the surface of the element arrangement plate 210 .
- the device substrate 221 may be coupled to the cooling block 224 by a separate adhesive layer 226 .
- the sub-irradiation module 220 is formed by arranging a plurality of laser light emitting devices 222 in the x-axis direction and the y-axis direction.
- the sub-irradiation module 220 includes a light emitting frame (not shown) for fixing the laser light emitting device 222 and a power line (not shown) for supplying power to the laser light emitting device 222 .
- the sub-irradiation module 220 may be formed such that the same power is applied to all the laser light emitting devices 222 .
- the sub-irradiation module 220 may be formed so that different powers are applied to each of the laser light emitting devices 222 .
- the device substrate 221 may be formed of a general substrate used for mounting an electronic device.
- the device substrate 221 may be divided into a device region 221a in which the laser light emitting device 222 is mounted and a terminal region 221b in which terminals are mounted.
- a plurality of laser light emitting devices 222 may be arranged in a lattice shape and mounted thereon.
- the terminal region 221b is positioned in contact with the device region 221a, and a plurality of terminals may be mounted thereon.
- the laser light emitting device 222 may be formed of various light emitting devices irradiating a laser beam.
- the various light emitting devices 222 may be formed of a surface-emitting laser device or an edge-emitting laser device.
- the laser light emitting device 222 may be preferably formed of a VCSEL device.
- the VCSEL device may be irradiated with a laser beam of a single wavelength of 940 nm.
- the VCSEL device may be formed in a rectangular shape, preferably in a square shape or a rectangular shape in which the ratio of width to length does not exceed 1:2.
- the VCSEL device is manufactured as a cube-shaped chip, and a high-power laser beam is oscillated from one surface. Since the VCSEL device oscillates a high-power laser beam, it is possible to increase the rate of temperature increase of the flat substrate (a) compared to the conventional halogen lamp, and has a relatively long lifespan.
- a plurality of the laser light emitting devices 222 may be arranged in the x-direction and the y-direction in the device region 221a on the upper surface of the device substrate 221 in a lattice shape.
- An appropriate number of the laser light emitting devices 222 may be formed at appropriate intervals according to the area of the device region 221a and the amount of energy of the laser beam irradiated to the flat substrate a.
- the laser light emitting device 222 may be positioned at an interval capable of irradiating uniform energy when the emitted laser beam overlaps the laser beam of the adjacent laser light emitting device 222 .
- the laser light emitting device 222 may be positioned so that the adjacent laser light emitting device 222 and the side surface are in contact with each other so that there is no separation distance.
- a plurality of the electrode terminals 223 may be formed in the terminal region 221b of the device substrate 221 .
- the electrode terminal 223 includes a + terminal and a - terminal, and may be electrically connected to the laser light emitting device 222 .
- the electrode terminal 223 may be electrically connected to the laser light emitting device 222 in various ways.
- the electrode terminal 223 may supply power required for driving the laser light emitting device 222 .
- the cooling block 224 may have a planar shape corresponding to the planar shape of the device substrate 221 and a predetermined height.
- the cooling block 224 may be formed of a thermally conductive ceramic material or a metallic material.
- the cooling block 224 may be coupled to the lower surface of the device substrate 221 by a separate adhesive layer.
- the cooling block 224 may dissipate heat generated from the laser light emitting device 222 mounted on the surface of the device substrate 221 downward. Accordingly, the cooling block 224 may cool the device substrate 221 and the laser light emitting device 222 .
- the cooling block 224 may have a cooling passage 224a through which cooling water flows.
- the cooling passage 224a may have an inlet and an outlet formed on a lower surface thereof, and may be formed in various types of flow passages in the cooling block 224 .
- the gas injection module 300 may include a gas injection plate 310 , a gas supply pipe 320 , and a gas discharge pipe 330 .
- the gas injection module 300 may spray a cooling gas on the upper surface of the infrared transmission plate 150 to cool the infrared transmission plate 150 .
- the cooling gas may be nitrogen gas, argon gas or compressed cooling air.
- the gas injection plate 310 may be formed in a plate shape, and may include a gas injection hole 311 penetrating from the upper surface to the lower surface.
- the gas injection plate 310 may be positioned parallel to the infrared transmission plate 150 between the upper plate 112 and the infrared transmission plate 150 at the upper portion of the outer housing 110 .
- the gas injection plate 310 may divide the gas injection space into an upper gas space and a lower gas space.
- the gas injection hole 311 is formed to penetrate from the upper surface to the lower surface of the gas injection plate 310 . That is, the gas injection hole 311 may connect the upper gas space and the lower gas space. The gas injection hole 311 may inject the cooling gas flowing into the gas injection space from the outside into the lower gas space.
- a plurality of the gas injection holes 311 may be formed to be entirely spaced apart from the gas injection plate 310 .
- the gas injection hole 311 may more uniformly spray the cooling gas supplied to the upper gas space into the lower gas space. Accordingly, the gas injection plate 310 can more uniformly cool the lower infrared transmission plate 150 .
- the gas supply pipe 320 is formed in a tube shape with both sides open, and is coupled from the upper plate 112 of the outer housing 110 to the inside of the outer housing 110 . That is, the gas supply pipe 320 passes through the upper plate 112 from the outside to the upper gas space.
- the gas supply pipe 320 may be formed in plurality according to the area of the upper plate 112 .
- the gas supply pipe 320 may be connected to an external cooling gas supply device to receive cooling gas.
- the gas supply pipe 320 may be connected to the gas circulation cooling module 400 to receive cooling gas.
- the gas discharge pipe 330 is formed in a tubular shape with both sides open, and may be coupled to the sidewall 111 of the outer housing 110 so as to penetrate to the outside in the lower gas space. That is, the gas discharge pipe 330 penetrates through the side wall 111 from the outside to the lower gas space.
- the gas discharge pipe 330 may be formed in plurality according to the area of the upper plate 112 .
- the gas discharge pipe 330 may discharge the cooling gas introduced into the lower gas space to the outside.
- the gas discharge pipe 330 may be connected to the gas circulation cooling module 400 to discharge the cooling gas.
- the gas circulation cooling module 400 may cool the cooling gas discharged from the gas discharge pipe 330 of the gas injection module 300 again and supply it to the gas supply pipe 320 .
- the cooling gas may be sprayed from the gas injection plate 310 to cool the infrared transmission plate 150 while in contact with the infrared transmission plate 150 , and the temperature may be increased. Accordingly, the gas circulation cooling module 400 may supply the heated cooling gas by cooling it again.
- the gas circulation cooling module 400 may supply the cooling gas discharged from the gas discharge pipe 330 by cooling it to a temperature lower than 300° C. which is the cooling temperature of the infrared transmission plate 150 .
- the gas circulation cooling module 400 may include a first cooling unit 410 , a blower 420 , and a filter unit 430 .
- the gas circulation cooling module 400 may further include a second cooling unit 440 .
- the gas circulation cooling module 400 is described as including one each of the first cooling unit 410, the blower 420, the filter unit 430, and the second cooling unit 440, the amount of cooling gas used may be formed in two or more, respectively.
- the gas circulation cooling module 400 is filtered by the filter module after the first cooling module cools while the blower 420 sucks the high-temperature cooling gas discharged from the gas discharge pipe 330 while operating the gas supply pipe 320 . re-supplied with The gas circulation cooling module 400 forms a closed path through which the cooling gas flows together with the gas supply pipe 320 and the cooling gas space of the outer housing 110 and the gas discharge pipe 330 . Accordingly, the cooling gas may not flow to the outside during the circulation process. However, when the cooling gas partially leaks to the outside, it may be supplemented through a separate path.
- One side of the first cooling unit 410 is connected to the gas discharge pipe 330 , and the other side is connected to the blower 420 . That is, the first cooling unit 410 is located between the gas discharge pipe 330 and the blower 420 based on the flow of the cooling gas.
- the first cooling unit 410 cools the used process gas supplied from the gas discharge pipe 330 and supplies it to the blower 420 . Accordingly, the first cooling unit 410 cools the relatively high temperature cooling gas, so that the cooled cooling gas is supplied to the blower 420 .
- the first cooling unit 410 prevents the blower 420 from being damaged by the high-temperature cooling gas.
- the first cooling unit 410 may be formed of a general cooling module used to cool the gas.
- the first cooling unit 410 may include a cooling housing, a cooling pipe, and a heat sink.
- the cooling housing has a hollow inside, and is formed such that an inlet and an outlet are formed on one side and the other side.
- the cooling pipe is passed through in the longitudinal direction or the width direction of the cooling housing, and is formed so that a cooling medium such as cooling water flows therein.
- the heat sink is formed in a plate shape, and is coupled to be arranged in a vertical "thick film*" arrangement on the outer circumferential surface of the cooling pipe. The heat sink is cooled by the cooling medium flowing inside the cooling pipe, and is introduced into the cooling housing. Therefore, in the first cooling unit 410, the heat sink is cooled by the cooling medium flowing through the cooling pipe, and the cooling gas flowing in through the inlet of the cooling housing can be cooled by contacting the heat sink. .
- the first cooling unit 410 may be formed as a cooling unit using a Peltier element.
- the first cooling unit 410 may include a cooling housing, a heat sink, and a Peltier element.
- the cooling housing has a hollow inside, and is formed such that an inlet and an outlet are formed on one side and the other side.
- the heat sink is formed to extend inward from one side of the cooling housing.
- the Peltier element is coupled to contact the heat sink from one side of the cooling housing. Accordingly, the first cooling unit 410 cools the heat sink by the Peltier element, and the cooling gas introduced through the inlet of the cooling housing is brought into contact with the heat sink to cool the cooling gas.
- blower 420 One side of the blower 420 is connected to the first cooling unit 410 , and the other side is connected to the filter unit 430 . That is, the blower 420 is located between the rear end of the first cooling unit 410 and the front end of the filter unit 430 based on the flow of the cooling gas.
- the blower 420 may be connected to the second cooling unit 440 when the second cooling unit 440 is formed on the other side.
- the blower 420 sucks the cooling gas discharged through the gas discharge pipe 330 and introduces it into the first cooling unit 410 .
- the blower 420 may not be damaged by heat because it sucks the cooling gas that has passed through the first cooling unit 410 while sucking the cooling gas having a relatively high temperature discharged from the gas discharge pipe 330 .
- the blower 420 is preferably formed of a blower 420 between the intake port (not shown) and the exhaust port (not shown) is sealed from the outside.
- the blower 420 may be formed of a ring blower or a turbo blower.
- the blower 420 may be formed of a rotary pump or a booster pump.
- the ring blower and the turbo blower are different in specific structure, the space between the intake port and the exhaust port is sealed to the outside, so that the gas sucked into the intake port is discharged through the exhaust port without flowing out in the middle. Accordingly, the blower 420 prevents the sucked cooling gas from flowing out. Since the ring blower and the turbo blower are generally used devices, a detailed description thereof will be omitted.
- the blower 420 may be a general blower when the space between the intake port (not shown) and the exhaust port (not shown) does not need to be sealed from the outside.
- One side of the filter unit 430 is connected to the blower 420 , and the other side is connected to the gas supply pipe 320 . That is, the filter unit 430 is located between the rear end of the blower 420 and the front end of the gas supply pipe 320 based on the flow of the cooling gas. Also, when the second cooling unit 440 is formed on one side of the filter unit 430 , it may be connected to the second cooling unit 440 .
- the filter unit 430 filters the cooling gas supplied from the blower 420 and supplies it to the gas supply pipe 320 .
- the filter unit 430 may include a filter such as a hepa filter, a wolpa filter, a carbon filter, or a mesh filter. Since the filters are widely used in a semiconductor process or a flat panel display device manufacturing process, a detailed description thereof will be omitted.
- One side of the second cooling unit 440 is connected to the blower 420 , and the other side is connected to the filter unit 430 . That is, the second cooling unit 440 is located between the blower 420 and the filter unit 430 based on the flow of the cooling gas.
- the second cooling unit 440 may cool the cooling gas supplied through the blower 420 once again and supply it to the filter unit 430 .
- the temperature may increase while the cooling gas rubs against the blade or fan of the blower 420 in the process of being blown by the blower 420 . Accordingly, since the second cooling unit 440 cools the cooling gas that has passed through the blower 420 and supplies it to the filter unit 430 , the cooling gas at a lower temperature may be supplied to the filter unit 430 .
- the second cooling unit 440 may have the same configuration as the first cooling unit 410 .
- the substrate rotation module 500 may include an inner rotation means 510 and an outer rotation means 520 .
- the substrate rotation module 500 may rotate the substrate support 140 in a horizontal direction in a non-contact manner.
- the inner rotation means 510 may be coupled to the lower portion of the substrate support 140 in the chamber lower space 100b of the process chamber 100 .
- the outer rotation means 520 may be positioned to face the inner rotation means 510 from the outside of the process chamber 100 .
- the outer rotation means 520 may rotate the inner rotation means 510 in a non-contact manner using magnetic force.
- the inner rotation means 510 may be formed to have the same structure as a rotor of a motor.
- the inner rotation means 510 may be formed as a magnet structure in which an overall ring shape is formed, and an N pole and an S pole are alternately formed along the circumferential direction.
- the inner rotation means 510 may be coupled to the lower portion of the substrate support 140 , that is, the connection support 142 .
- the inner rotation means 510 may be positioned to be spaced apart upward from the upper portion of the lower plate 113 .
- the inner rotation means 510 may be supported by a separate support means to prevent vibration during rotation or to rotate smoothly.
- the inner rotation means 510 may be supported by a support bearing or roller at a lower portion.
- the outer rotation means 520 may be formed to have the same structure as a stator of a motor.
- the outer rotation means 520 may include an iron core formed in a ring shape and a conducting wire wound around the iron core.
- the outer rotation means 520 may rotate the inner rotation means 510 with magnetic force generated by power supplied to the conducting wire.
- the outer rotation means 520 may be located outside the outer housing 110 to face the inner rotation means 510 with respect to the outer housing 110 . That is, the outer rotation means 520 may be located outside the outer housing 110 at the same height as the inner rotation means 510 .
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Abstract
Description
Claims (11)
- 내부에 열처리되는 평판 기판이 위치하고 상기 평판 기판의 하부에 위치하는 빔 조사판과 상기 평판 기판의 상부에 위치하는 적외선 투과판을 구비하는 공정 챔버와,상기 빔 조사판을 통하여 상기 평판 기판의 하면으로 레이저 빔을 조사하는 빔 조사 모듈 및상기 적외선 투과판의 상면으로 냉각 가스를 분사하여 냉각하는 가스 순환 냉각 모듈을 포함하는 것을 특징으로 하는 기판 열처리 장치.
- 제 1 항에 있어서,상기 공정 챔버는상기 평판 기판이 내부에 안착되는 측벽과, 상기 측벽의 내부에서 상기 평판 기판의 상부에 상기 적외선 투과판과 상부판이 위치하는 외부 하우징 및 상기 외부 하우징의 내측에서 상기 평판 기판의 하부에 위치하며 상기 빔 조사판이 상부에 위치하는 내부 하우징을 포함하며,상기 빔 조사 모듈은 상기 내부 하우징의 내부에서 상기 빔 조사판의 하부에 위치하는 것을 특징으로 하는 기판 열처리 장치.
- 제 2 항에 있어서,상기 가스 순한 냉각 모듈은상면에서 하면으로 관통되는 가스 분사 홀을 구비하며 상기 상부판과 상기 적외선 투과판 사이에 위치하여 상기 가스 분사 홀을 통하여 상기 적외선 투과판의 상면으로 상기 냉각 가스를 분사하는 가스 분사판과,상기 가스 분사판의 상부로 상기 냉각 가스를 공급하는 가스 공급관 및상기 적외선 투과판으로 분사된 상기 냉각 가스를 배출하는 가스 배출관을 포함하는 것을 특징으로 하는 기판 열처리 장치.
- 제 3 항에 있어서,상기 가스 배출관에서 배출되는 상기 냉각 가스를 냉각시켜 상기 가스 공급관으로 공급하는 가스 순환 냉각 모듈을 더 포함하는 것을 특징으로 하는 기판 열처리 장치.
- 제 4 항에 있어서,상기 가스 순환 냉각 모듈은상기 가스 배출관와 연결되며 상기 가스 배출관에서 배출되는 상기 냉각 가스를 냉각하는 제 1 쿨링 유닛과,상기 제 1 쿨링 유닛과 연결되어 상기 냉각 가스를 흡입하여 제 1 쿨링 유닛으로 유입되도록 하는 블로워와,상기 블로워와 연결되며 상기 냉각 가스를 필터링하는 필터 유닛을 포함하는 것을 특징으로 하는 VCSEL을 이용한 기판 열처리 장치.
- 제 5 항에 있어서,상기 가스 순환 냉각 모듈은상기 블로워와 상기 필터 유닛 사이에 위치하여 상기 블로워에서 공급되는 상기 냉각 가스를 냉각하여 상기 필터 유닛으로 제 2 쿨링 유닛을 더 포함하는 것을 특징으로 하는 기판 열처리 장치.
- 제 1 항에 있어서,상기 적외선 투과판은 투명 쿼쯔로 형성되는 것을 특징으로 하는 기판 열처리 장치.
- 제 2 항에 있어서,상기 공정 챔버는 상기 평판 기판의 외측을 지지하는 기판 지지대를 더 포함하며,상기 VCSEL을 이용한 기판 열처리 장치는 상기 기판 지지대를 지지하여 회전시키는 기판 회전 모듈을 더 포함하는 것을 특징으로 하는 기판 열처리 장치.
- 제 1 항에 있어서,상기 기판 회전 모듈은N극과 S극이 원주 방향을 따라 교대로 형성되는 링 형상이며, 상기 챔버 하부 공간의 내부에서 기판 지지대의 하부에 결합되는 내측 회전 수단 및상기 외부 하우징의 외측에서 상기 내측 회전 수단과 대향하여 위치하며 자력을 발생시켜 상기 내측 회전 수단을 회전시키는 외측 회동 수단을 구비하는 것을 특징으로 하는 기판 열처리 장치.
- 제 1 항에 있어서,상기 빔 조사 모듈은 레이저 발광 소자를 포함하며, 상기 레이저 발광 소자는 면 발광 레이저 소자 또는 에지 발광 레이저 소자를 포함하는 것을 특징으로 하는 기판 열처리 장치.
- 제 1 항에 있어서,상기 빔 조사 모듈은 레이저 발광 소자를 포함하며, 상기 레이저 발광 소자는 VCSEL 소자를 포함하는 것을 특징으로 하는 기판 열처리 장치.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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US18/269,998 US20240071786A1 (en) | 2020-12-29 | 2021-12-23 | Substrate heat-treating apparatus using laser light-emitting device |
CN202180087663.XA CN116711063A (zh) | 2020-12-29 | 2021-12-23 | 利用激光发光器件的基板热处理装置 |
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KR1020200185737A KR102569912B1 (ko) | 2020-12-29 | 2020-12-29 | 레이저 발광 소자를 이용한 기판 열처리 장치 |
KR10-2020-0185737 | 2020-12-29 |
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WO2022145875A1 true WO2022145875A1 (ko) | 2022-07-07 |
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Country Status (4)
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US (1) | US20240071786A1 (ko) |
KR (1) | KR102569912B1 (ko) |
CN (1) | CN116711063A (ko) |
WO (1) | WO2022145875A1 (ko) |
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2020
- 2020-12-29 KR KR1020200185737A patent/KR102569912B1/ko active IP Right Grant
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2021
- 2021-12-23 US US18/269,998 patent/US20240071786A1/en active Pending
- 2021-12-23 CN CN202180087663.XA patent/CN116711063A/zh active Pending
- 2021-12-23 WO PCT/KR2021/019710 patent/WO2022145875A1/ko active Application Filing
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US20150155190A1 (en) * | 2013-11-26 | 2015-06-04 | Applied Materials, Inc. | Apparatus for reducing the effect of contamination on a rapid thermal process |
KR20160082832A (ko) * | 2014-12-29 | 2016-07-11 | 주식회사 비아트론 | 순환 냉각 유닛 및 이를 구비하는 열처리 장치 |
KR20200082699A (ko) * | 2018-12-31 | 2020-07-08 | 주식회사 비아트론 | Vcsel을 포함하는 레이저 칩 모듈과 레이저 칩 모듈 어레이 및 기판 열처리 장치 |
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KR102569912B1 (ko) | 2023-08-28 |
CN116711063A (zh) | 2023-09-05 |
US20240071786A1 (en) | 2024-02-29 |
KR20220095301A (ko) | 2022-07-07 |
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