WO2002036259A1 - Photoreacteur a rayonnement uv excimere - Google Patents
Photoreacteur a rayonnement uv excimere Download PDFInfo
- Publication number
- WO2002036259A1 WO2002036259A1 PCT/JP2001/009314 JP0109314W WO0236259A1 WO 2002036259 A1 WO2002036259 A1 WO 2002036259A1 JP 0109314 W JP0109314 W JP 0109314W WO 0236259 A1 WO0236259 A1 WO 0236259A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- excimer
- lamp
- reaction
- gas
- lamps
- Prior art date
Links
- 238000006243 chemical reaction Methods 0.000 claims abstract description 74
- 238000006552 photochemical reaction Methods 0.000 claims abstract description 35
- 239000007789 gas Substances 0.000 claims description 131
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims description 58
- 230000001681 protective effect Effects 0.000 claims description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 18
- 239000001257 hydrogen Substances 0.000 claims description 18
- 229910052739 hydrogen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 14
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 14
- 238000011109 contamination Methods 0.000 claims description 12
- 239000012495 reaction gas Substances 0.000 claims description 10
- 238000002834 transmittance Methods 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 238000004140 cleaning Methods 0.000 description 34
- 239000000758 substrate Substances 0.000 description 14
- 230000001590 oxidative effect Effects 0.000 description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 11
- 229910052710 silicon Inorganic materials 0.000 description 11
- 239000010703 silicon Substances 0.000 description 11
- 230000007723 transport mechanism Effects 0.000 description 11
- 230000001965 increasing effect Effects 0.000 description 10
- 235000012431 wafers Nutrition 0.000 description 10
- 239000004973 liquid crystal related substance Substances 0.000 description 9
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 8
- 238000000605 extraction Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 8
- 230000004048 modification Effects 0.000 description 8
- 238000012986 modification Methods 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 239000000356 contaminant Substances 0.000 description 7
- 230000002829 reductive effect Effects 0.000 description 7
- 239000004065 semiconductor Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000012159 carrier gas Substances 0.000 description 5
- 238000005108 dry cleaning Methods 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 230000036961 partial effect Effects 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 229910052786 argon Inorganic materials 0.000 description 4
- 239000001307 helium Substances 0.000 description 4
- 229910052734 helium Inorganic materials 0.000 description 4
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 4
- 239000011261 inert gas Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002957 persistent organic pollutant Substances 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000002156 mixing Methods 0.000 description 3
- 150000002894 organic compounds Chemical class 0.000 description 3
- 150000002902 organometallic compounds Chemical class 0.000 description 3
- 230000003647 oxidation Effects 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000006864 oxidative decomposition reaction Methods 0.000 description 2
- 150000002926 oxygen Chemical class 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004380 ashing Methods 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45563—Gas nozzles
- C23C16/45578—Elongated nozzles, tubes with holes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J19/12—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electromagnetic waves
- B01J19/122—Incoherent waves
- B01J19/123—Ultraviolet light
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
- B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
- B08B7/0057—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by ultraviolet radiation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/48—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation
- C23C16/482—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating by irradiation, e.g. photolysis, radiolysis, particle radiation using incoherent light, UV to IR, e.g. lamps
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/54—Apparatus specially adapted for continuous coating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
- B01J2219/0873—Materials to be treated
- B01J2219/0875—Gas
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T117/00—Single-crystal, oriented-crystal, and epitaxy growth processes; non-coating apparatus therefor
- Y10T117/10—Apparatus
Definitions
- the present invention relates to an excimer UV / ozone cleaning device (dry cleaning device) for removing stains of organic compounds adhered to the surface of a glass substrate such as a liquid crystal display, a silicon semiconductor wafer, or the like; (Ashing) device for removing unnecessary photoresist on the silicon wafer in the semiconductor manufacturing process due to photochemical reaction with silicon, or crystal on the silicon wafer surface by photochemical reaction with hydrogen gas.
- MO organic metal
- excimer UV ultraviolet
- excimer UV ultraviolet
- the present invention relates to an excimer UV photoreactor that causes a photochemical reaction on the surface of an object to be irradiated by irradiating the same.
- excimer UV photoreactor for example, as disclosed in Japanese Patent No. 2750023, a plurality of excimer UV photoreactors are provided in a container of a lamp device having a light extraction window made of synthetic quartz glass.
- excimer UV vacuum ultraviolet light
- emitted from these excimer UV lamps is radiated through the light extraction window toward the surface of the object to be irradiated (object to be processed), and exists between the object and the object by a photochemical reaction.
- Some ozone and active oxidative decomposition products are generated, and the ozone and active oxidative decomposition products are oxidized by contact with the irradiated object.
- the present applicant uses the above-described lamp device to irradiate excimer UV from the parallel excimer UV lamps toward the irradiation target, and also within the enclosed space where these lamp devices and the irradiation target are arranged.
- An experiment was conducted in which a photochemical reaction was performed in a low-temperature atmosphere at or near room temperature, while supplying ozone as a reactive gas to the reactor.
- the reactive gas often cannot be increased to a required concentration near the surface of the irradiation target, so that a stable photochemical reaction can be rapidly performed in a low-temperature atmosphere (for example, normal temperature). And the ozone layer becomes too thick and absorbs UV light And a sufficient reaction effect cannot be obtained.
- the size of the synthetic silica glass of the light extraction window must be increased with the increase of the size of the irradiation target.
- the size of the synthetic silica glass of the light extraction window must be increased with the increase of the size of the irradiation target.
- the cleaning target has a clear difference in the degree of cleaning between the active area immediately below each excimer UV lamp and the area farther away from the irradiated area. There is a problem that it is impossible to efficiently clean the entire large irradiated object.
- the area of the enclosed space between the irradiation target and the light extraction window also increases.
- the reaction gas In order to supply the gas required for the reaction to the space, the reaction gas must be supplied in one direction from one side of the illuminated body to the other side, and it takes time for complete ventilation.
- the contaminants generated due to the oxidative removal of the organic contaminants continue to float in the enclosed space, and the suspended contaminants tend to adhere to the light extraction window.
- the invention of claim 1 of the present invention aims at stably performing a photochemical reaction with a simple structure and at a lower temperature atmosphere.
- the invention described in claim 2 aims at quickly introducing a reactive gas into the reaction region and replacing it, in addition to the object of the invention described in claim 1.
- An object of the invention described in claim 3 is to improve the cleaning efficiency by effectively using excimer UV that has not contributed to cleaning.
- the invention described in claim 4 has, in addition to the object of the invention described in claim 3, a method of suppressing activation after the reaction treatment by excimer UV and stabilizing the state so that dirt hardly adheres after the reaction treatment. It is intended for.
- the invention described in claim 5 has the object of claim 1, 2, 3 or 4, and furthermore, keeps the distance from the electrode to the object to be irradiated properly while protecting the electrode of the excimer UV lamp. It is intended for.
- the invention described in claim 6 has the object of the invention described in claim 5, and further improves the cleaning efficiency while preventing the dirt substances generated during the cleaning from adhering to the protective tube and the vicinity thereof. It is intended for that purpose.
- the invention of claim 7 aims at shortening the reaction time while eliminating unevenness in the photochemical reaction, in addition to the object of the invention described in claim 1, 2, 3 or 4. is there. Disclosure of the invention
- the invention according to claim 1 of the present invention is a method for forcing a reactive gas toward an active region on an object to be irradiated with a large excimer UV irradiation amount from an excimer UV lamp.
- the method is characterized in that a reaction gas supply means for supplying to the irradiation object is provided near the surface of the irradiation object.
- the reactive gas to say, excimer UV lamp irradiated 1 7 2 n excimer UV photochemical reactions for example ozone or hydrogen and an organometallic compound of m And the vaporized gas of the object.
- the operation of the invention according to claim 1 resulting from such a configuration is achieved by supplying the reactive gas from the reactive gas supply means only to the active region on the irradiation target, so that the excimer UV and the reactive gas are supplied.
- the photochemical reaction is accelerated in a low-temperature atmosphere, and no reactive gas is supplied to a region where the photochemical reaction does not actively occur, and the reactive gas is not wasted. Therefore, it is not a reactive gas supply source having a large gas supply capacity. Is also sufficient.
- the reaction auxiliary gas is forcibly supplied to the irradiation target at a position distant from the irradiation target by the reaction gas supply unit. And a configuration in which auxiliary gas supply means for reaction is provided.
- the auxiliary gas for reaction mentioned here is a carrier gas such as nitrogen gas or an inert gas (argon, helium, etc.).
- the effect of the invention according to claim 2 resulting from such a configuration is that the space other than the active region to which the reactive gas is supplied is filled with the auxiliary gas for reaction and the unreacted unnecessary gas is removed from the reaction region. Discharge quickly.
- a flow path composed of a pair of light transmitting walls having excellent excimer UV transmittance is formed between the excimer UV lamps, and an appropriate amount of reaction is formed at the inlet of these flow paths.
- a supply means for forcibly supplying auxiliary gas and oxygen is provided in each channel so that the atmosphere near the excimer UV-irradiated area far from the area directly below the excimer UV lamp becomes ozone-rich. It is characterized in that the ozone is forcibly poured from the outlet toward the irradiation target.
- the effect of the invention according to claim 3 resulting from such a configuration is that the excimer UV transmitted through the light transmitting wall from each excimer UV lamp and irradiated into the flow path is absorbed by the reaction auxiliary gas in the flow path. Reacts with oxygen to produce ozone The amount of ozone increases while moving to the outlet of the flow path and becomes high concentration, and is forcibly flowed from the outlet toward the irradiation target, and the excimer UV irradiation is separated from the region immediately below the excimer UV lamp. By making the atmosphere near the weak area ozone-rich, the received energy in that area will be sufficient to oxidize and remove organic contamination.
- the invention according to claim 4 is characterized in that, in addition to the configuration of the invention according to claim 3, a configuration is provided in which humidifying means for supplying water molecules or hydrogen in addition to the auxiliary gas for reaction and oxygen is added. I do.
- the light transmitting wall is a protective tube provided so as to surround an outer periphery of each excimer UV lamp. It is characterized by adding nitrogen gas between the lamp and the protection tube.
- the effect of the invention according to claim 5 resulting from such a configuration is that, by covering the outer periphery of each excimer UV lamp with a protective tube, the electrode of the excimer UV lamp directly contacts the activated oxygen to generate an oxide. In addition, the excimer UV absorption from the tube wall of the lamp to the outside of the protection tube is suppressed, so that the light intensity can be prevented from deteriorating.
- ozone and a reaction auxiliary gas present in an atmosphere near the irradiation target are sucked from the periphery of the irradiation target and forcibly forced.
- the effect of the invention according to claim 6 resulting from such a configuration is that the ozone after cleaning and the auxiliary gas for reaction, which have contributed to the oxidative removal of organic contamination existing in the atmosphere near the irradiation target, are used to clean the irradiation target.
- the pollutants generated during the oxidative removal of organic pollutants are also quickly eliminated, and with this exhaustion, fresh ozone is discharged from the outlet of the flow path And an auxiliary gas for reaction are sequentially supplied to further promote the oxidative removal of organic pollutants.
- one of the excimer UV lamp and the irradiation target is moved with respect to the other while maintaining a distance between the two. It is characterized by adding a structure provided with transfer means.
- FIG. 1 is a partial longitudinal front view of an excimer UV photoreactor showing one embodiment of the present invention.
- FIG. 2 is a partial longitudinal front view of an excimer UV photoreactor showing a modification of the present invention.
- FIG. 3 is a cross-sectional plan view of an excimer UV photoreactor showing a modification of the present invention.
- FIG. 4 shows an excimer UV photoreactor showing another embodiment of the present invention. It is a partial longitudinal front view.
- FIG. 5 is a schematic configuration diagram of the humidifying means.
- FIG. 6 is a simplified cross-sectional plan view.
- FIG. 7 is a partial longitudinal front view of an excimer UV photoreactor showing a modification of the present invention.
- FIG. 8 is a partial longitudinal front view of an excimer UV photoreactor showing a modification of the present invention.
- a plurality of excimer UV lamps B are arranged in parallel in a space S formed inside an excimer UV photoreactor R so as to face an irradiation object A.
- Each of these excimer UV lamps B has a reticulated cylindrical internal electrode B 1 and a reticulated cylindrical external electrode B 2 disposed outside thereof in a coaxial arrangement.
- This is a double-cylindrical structure that radiates excimer UV of 17 2 ⁇ m radially, and further shows a case where the outside is covered with a transparent protective tube B3.
- the protective tube B3 is formed in a hollow cylindrical shape with, for example, synthetic quartz glass having excellent excimer UV transmittance, and the protective tube B3 is provided outside the external electrode B2 of each excimer UV lamp B. Arrange coaxially.
- a reflector B4 may be provided so as to prevent oxidation of 1 and, if necessary, reflect the excimer light emitted to the back side of each excimer UV lamp B to the irradiation target A.
- the irradiation target A is, for example, a silicon semiconductor wafer liquid crystal display.
- the silicon semiconductor substrate has a diameter of about 200 mm or a larger diameter.
- the reactive gas supply means 1 for forcibly supplying the reactive gas C toward these active regions A 1 is provided near the surface of the irradiation target A, because of its large amount and excellent activity.
- these reactive gas supply means 1 irradiate a plurality of gas introduction pipes 1 a approximately parallel to each excimer UV lamp B from each excimer UV lamp B to the active area A 1.
- the nozzles 1b are arranged on the outer peripheral surface of these gas introduction pipes 1a to the active area A1 on the irradiation object A in the axial direction. It is constructed by drilling many at appropriate intervals.
- a gas introduction pipe 1a is arranged between the excimer UV lamps B in parallel and at both ends thereof, and in particular, the gas introduction pipes arranged between the excimer UV lamps B ... 1 a... is a nozzle hole 1 b... that is directed to the adjacent active area A 1, A 1 immediately below each excimer UV lamp B ⁇ .
- the reactive gas C is branched and supplied.
- a pipe is connected to a supply source (not shown) of the reactive gas C, and the reactive gas C introduced from the reactive gas supply source is supplied to each nozzle hole. Spray from 1 b... to the active area A 1... on the irradiation object A, respectively.
- the reactive gas C a different gas is used depending on the purpose of use of the excimer UV photoreactor R.
- this excimer UV photoreactor R Pulsing equipment for removing unnecessary photoresist on C and excimer UV / ozone cleaning equipment (dry cleaning equipment) for removing dirt from organic compounds adhering to the surface of the glass substrate of liquid crystal display
- the reactive gas C is ozone
- the reactive gas supply source is an ozone generator.
- the excimer UV photoreactor R when used as a hydrogen annealing device for enhancing the crystal integrity of the silicon wafer surface by, for example, a photochemical reaction with hydrogen, the reactive gas C is hydrogen.
- the source of the reaction gas is a hydrogen cylinder.
- reaction auxiliary gas (carrying gas) D for forcibly supplying the irradiation target A to the irradiation target A at a position farther from the irradiation target A than the reaction gas supply means 1.
- Supply means 2 are provided.
- the reaction auxiliary gas supply means 2 forms a plurality of introduction chambers 2 a... Alternately at appropriate intervals above the parallel excimer UV lamps B. At the lower end of a, nozzles 2 b are opened at passages S 1 ... formed between adjacent protection tubes B 3 ... and passages S 2, S 2 formed at both ends thereof. .
- auxiliary gas D for reaction for example, a nitrogen gas or an inert gas (argon, helium, etc.) is introduced into the introduction chamber 2a ..., and this is carried as a carrier gas from the nozzle 2b ... , S 2, S 2, and are supplied downward to the reaction gas supply means 1.
- a nitrogen gas or an inert gas argon, helium, etc.
- the irradiation object A is supported so that the interval between the parallel excimer UV lamps B is a predetermined distance, and either one of the excimer UV lamps B and the irradiation object A is used with respect to the other.
- a transfer means 3 for moving while maintaining the distance between them is provided.
- the transfer means 3 is rotated by, for example, a rotating tape.
- the transport mechanism 3a in which the irradiation target A is immovably mounted on the upper surface thereof, is rotated in an arc at an appropriate speed in conjunction with the irradiation time of the excimer UV lamps B.
- the concentration of the reactive gas C in these active regions A 1 ... was measured by experiments. As a result, it was possible to increase the concentration to, for example, about 1,000 ppm or more, which is required for stable photochemical reactions.
- the photochemical reaction between the excimer UV and the reactive gas C is promoted in a low-temperature atmosphere lower than the temperature in the prior art, and the reactive gas C is generated in the region A2 where this photochemical reaction does not actively occur. It does not need to be a large reactive gas supply source because it is not supplied and is not wasted.
- the photochemical reaction was able to be performed stably with a simple structure and in a lower temperature atmosphere.
- the unnecessary object on the silicon substrate is used as the irradiation target A. Complete resist It was completely removed.
- the resist asher system using UV light in the semiconductor manufacturing equipment that has been announced in the past has a thick ozone layer, and the light energy due to the UV light is greatly absorbed by passing through the ozone layer, and the reaction efficiency is significantly reduced.
- the apparatus of the present invention by providing an ozone blowing nozzle (nozzle hole) lb... And controlling the flow rate, a photoreactor with extremely excellent reaction efficiency was realized.
- a surface heater (not shown) is provided on the mounting surface of the irradiation target A, or a heating light (not shown) is irradiated toward the irradiation target A.
- a heating light (not shown) is irradiated toward the irradiation target A.
- reaction auxiliary gas D is directed from the nozzles 2 b of the reaction auxiliary gas supply means 2 to the irradiation target A through the passages S ⁇ , S 2, S 2, and the reaction auxiliary gas D is used as carrier gas such as nitrogen gas or inert gas. Since the gas (argon, helium, etc.) is supplied downward, the auxiliary gas for reaction is contained in the area A 2... other than the active area A 1... where the reactive gas C is supplied and the enclosed space S other than these. While being filled with D, the unreacted unnecessary gas is quickly discharged from the reaction zone. As a result, the reactive gas C can be quickly introduced into the active region (reaction region) A 1 and replaced.
- the entire surface of the irradiation target A passes directly below the excimer UV lamps B due to the relative movement between the excimer UV lamps B and the irradiation target A.
- the reaction time can be reduced while eliminating unevenness in the photochemical reaction.
- the irradiation object A is rotated relative to the excimer UV lamps B by operating the rotary transport mechanism 3a. Even if the size of the irradiation target A spreads over a plurality of adjacent excimer UV lamps B ..., the excimer UV is uniformly irradiated over the entire surface thereof.
- the advantage is that the photochemical reaction of the irradiated object A can be performed uniformly.
- FIGS. 2 and 3 are a modification of the present invention.
- a pair of gas introduction pipes 1 a ′ of the reaction gas supply means 1 are arranged for each of the excimer UV lamps B.
- FIG. 1 shows a configuration in which the nozzle holes 1 b ′ are opened in only one direction toward the regions A 1, and the reactive gas C in each of the gas introduction pipes la ′ is supplied without branching.
- the other configuration is the same as the embodiment shown in FIG.
- FIG. 3 what is shown in FIG. 3 is, for example, a central sun gear 3 c 1 instead of the rotary transport mechanism 3 a shown in FIG. 1 or the continuous transport mechanism 3 b shown in FIG.
- a planetary motion mechanism 3c comprising an internal gear 3c2 arranged coaxially around the planetary gear 3c and a planetary carrier 3c3 that meshes with the internal gear 3c2 is provided, and inside this planetary carrier 3c3.
- the planetary carrier 3c3 and the illuminated object A are moved around the sun gear 3c1 by operating the illuminated object A such as a semiconductor wafer or the like in a detachable manner by holding one or more of them.
- 1 and 2 is different from the embodiment shown in FIGS. 1 and 2 above, and the other configuration is the same as the embodiment shown in FIGS. 1 and 2.
- the excimer UV photoreactor-R As a usage example of the excimer UV photoreactor-R, a case of an asshing device, an excimer UV / ozone cleaning device (dry cleaning device), and a hydrogen annealing device has been described.
- the present invention is not limited thereto. It can also be used as an organometallic (MO) CVD device to form a metal film on silicon wafers by photochemical reaction of organometallic compounds with vaporized gas.
- MO organometallic
- FIGS. 4 to 6 what is shown in FIGS. 4 to 6 is another embodiment of the present invention, in which an excimer UV photoreactor R is used for a surface of an irradiation object A such as a large glass substrate used for a liquid crystal display. It shows the case of an excimer UV / ozone cleaning device (dry cleaning device) that oxidizes and removes organic contaminants attached to the surface.
- an excimer UV / ozone cleaning device dry cleaning device
- a pair of light-transmitting walls disposed between the excimer UV lamps B are provided with a cylindrical protective tube B 3, which is provided so as to surround the outer periphery of the adjacent excimer UV lamps B, B, respectively.
- B3 and between these adjacent protective tubes B3, the flow paths S3, each having the narrowest interval between the upper and lower intermediate portions, are respectively defined.
- an upper portion remote from the irradiation target A is defined as an entrance S 31, and a lower portion facing the irradiation target A is defined as an exit S 32, and conversely, an entrance S 31. 31 ... is provided with a supply means 2 'for forcibly supplying an appropriate amount of a reaction auxiliary gas and oxygen.
- a reaction auxiliary gas for example, nitrogen gas ⁇ inert gas (argon, helium, other ) And other carrier gas.
- the supply means 2 ′ supplies the auxiliary gas for reaction and fresh air into the mixing chamber 2 c and mixes them at a predetermined ratio.
- Nozzles 2 d are protruded from the chamber 2 c toward the inlet S 31 ′ ′′ of the flow channel S 3... at appropriate intervals, and the nozzles 2 d... enter the flow channel S 3...
- By blowing out the mixed reaction auxiliary gas and air appropriate amounts of the reaction auxiliary gas and oxygen are supplied into the flow paths S 3.
- each flow path S3 By supplying an appropriate amount of the auxiliary gas for reaction and oxygen to the inlet S31 of each flow path S3, the gas in each flow path S3 is forcibly directed from the outlet S32 to the irradiation target A. It is flushed and flows into the atmosphere 4 near the excimer UV-irradiated area A2, which is separated from the area A1 directly below each excimer UV lamp B.
- water molecules or hydrogen are supplied in addition to the above-mentioned auxiliary gas for reaction and oxygen.
- water molecules are contained in the nitrogen gas supplied as the auxiliary gas for reaction (carrier gas) by the humidifying means E shown in FIG.
- the humidifying means E is configured such that a tip end of an air supply pipe E2 leading to a nitrogen gas supply source E1 such as a nitrogen cylinder is immersed in pure water stored in a closed vessel E3, and the humidifying means is opened.
- the nitrogen gas foams and floats from the hole E4, and the humidified nitrogen gas is recovered by the conduit E5 and guided to the mixing chamber 3a of the supply means 3.
- a water level control valve E 8 was provided in the middle of the water supply pipe E 7 that communicates the closed container E 3 with the pure water supply tank E 6, and was installed near the closed container E 3.
- the water level adjusting valve E8 is controlled based on signals from the two high and low water level sensors E9 and E9 so that the level of pure water in the sealed container E3 is always constant.
- the crossing means 3 intersects at right angles to the axial direction of the excimer UV lamps B ...
- the excimer UV A transport mechanism 3d that moves the same length as or longer than the pitch P between the ramps B ... is provided.
- the irradiation target A is vacuum-adsorbed away from the substrate surface 5a by a plurality of pillars 6 projecting from the horizontal substrate 5, and the means for transporting the irradiation target A 3d.
- a drive source such as a linear motor is connected to the substrate 5, and the actuation of the drive source 3 d causes the irradiation target A to move in the horizontal direction together with the substrate 5 by the same length as the pitch P. It is linearly moved at an appropriate speed in conjunction with the irradiation time of excimer UV lamp B ...
- suction means 7 and 7 are provided around the irradiation target A for sucking ozone and a reaction auxiliary gas present in an atmosphere near the irradiation target A and forcibly exhausting them.
- these intake means 7 are arranged around the entire circumference of the irradiation target A. For example, as shown in FIG. 6, they are opposed to each other in a direction perpendicular to the axial direction of the excimer UV lamps B. May be arranged in parallel only on both sides A 3 and A 3.
- the ozone and the auxiliary gas for reaction supplied from the outlets S32 of the flow paths S3 existing there from the space between the excimer UV lamps B and the irradiation object A Is sucked in directions opposite to each other at right angles to the moving direction of the irradiation target A by the above-mentioned transport means 3d.
- excimer UV is emitted from excimer UV lamps B through the protective tubes B 3. Irradiated.
- a part of the radiation excimer UV directed toward the irradiation target A generates ozone between the irradiation target A and the ozone coming into contact with the surface of the irradiation target A.
- Organic contamination on the surface of body A Is oxidized and removed.
- the received energy does not reach the required amount and the oxidation removal of organic contamination is insufficient.
- the cleaning degree is lower than the cleaning degree in the area A 1 immediately below B.
- the degree of cleaning gradually decreases as the distance from the narrow area A1 immediately below each excimer UV lamp B decreases, and the area corresponding to the area immediately below the boundary between the adjacent excimer UV lamps B and B becomes the worst.
- the excimer UV directed to the flow path S 3 between the adjacent excimer UV lamps: B and B emits the opposite light.
- the light passes through the protective tubes, which are the permeable walls B 3 and B 3, and enters the respective flow paths S 3.
- the excimer UV transmitted through the light transmitting walls B 3 and B 3 and radiated into the flow path S 3 is absorbed by the auxiliary gas for reaction such as nitrogen supplied from the supply means 2 ′ into the flow path S 3. Instead, it reacts with oxygen to generate ozone, and the amount of ozone increases during the movement to the outlet S32 of the flow path S3 to increase the concentration.
- This high-concentration ozone is forcibly pushed out from the outlet S32 of each flow path S3 toward the irradiation target A, and corresponds to a position immediately below the boundary between the excimer UV lamps B and B located immediately below these outlets S32.
- the area directly below the excimer UV lamp B A Atmosphere 4 becomes ozone rich.
- the received energy in the region A2 where the excimer UV irradiation is weak reaches a sufficient amount for oxidative removal of organic contamination.
- the cleaning efficiency can be improved by effectively utilizing the excimer UV which has not contributed to the cleaning, and even if the irradiation target A has a large area such as a glass substrate of a liquid crystal display, the cleaning can be performed efficiently.
- water molecules (H 20 ) are supplied in addition to the above-mentioned auxiliary gas for reaction and oxygen, the water molecules (H 20 ) are further decomposed by excimer UV and [H ⁇ ] radicals are produced.
- group and [ ⁇ OH] radical (group) are generated in large amounts, and these [ ⁇ ⁇ ] radicals (group) bind to the surface of the irradiated object ⁇ activated after the excimer UV reaction treatment.
- the effect of modifying the surfaces of the reaction regions A 1 and A 2 is further enhanced, and in particular, the wettability is improved.
- auxiliary gas for reaction nitrogen gas
- the reaction area was changed as in the method of directly supplying steam. It has the advantage of excellent workability because it does not become water droplets and does not require the trouble of removing it.
- the excimer UV lamps: B ... and the irradiation target A move relative to each other by the operation of the transport mechanism 3d, and the moving length is determined by the excimer UV irradiation. If the length is equal to or longer than the pitch P between the UV lamps B ..., the entire illuminated object A passes directly below the excimer UV lamps B ....
- the variation in the irradiation intensity of the excimer UV is improved, and at the same time, the irradiation time of the excimer UV over the entire irradiation target A is shortened. As a result, the cleaning time can be reduced while eliminating cleaning unevenness.
- the suction means 7, 7, as shown in FIG. 6, the ozone and the reaction auxiliary gas after the cleaning (reacted) that contributed to the oxidative removal of the organic contamination existing in the atmosphere near the irradiation target A are reduced.
- the air is sucked in the opposite direction from around the irradiated object A or from both sides A 3 and A 3 facing each other, and is forced out immediately (quickly) without stagnation.
- the cleaning efficiency can be further improved while preventing the contaminants generated during the cleaning from adhering to the protective tubes B3 and the vicinity thereof.
- each excimer UV lamp B is covered with a protective tube B3, the irradiation target A is prevented from directly contacting the internal electrode B1 and the external electrode B2 of the excimer UV lamp B, and the protective tube :
- the nitrogen gas supplied into B3 prevents the internal electrode B1 and the external electrode B2 from directly contacting the activated oxygen to form oxides, and at the same time, prevents the lamp wall of the lamp B (external electrode B Excimer UV absorption from 2) to outside of protection tube B 3 is suppressed, preventing deterioration of light intensity
- the distance from the electrode to the illuminated object can be maintained properly while protecting the electrode of the excimer UV lamp B.
- the illuminated object A has a large area such as a glass substrate of a liquid crystal display, for example. Even if manufacturing cost Can be reduced.
- FIG. 7 and 8 each show a modification of the present invention.
- the supply means 2 ′ is configured such that, instead of the mixing chamber 2 c, the nozzles 2 d 3 b.
- the configuration in which an appropriate amount of the auxiliary gas for reaction and oxygen are forcibly supplied to the other embodiment is different from the other embodiments shown in FIGS. 4 to 6, and the other configurations are shown in FIGS. 4 to 6. This is the same as the other embodiments.
- the arrangement shown in FIG. 7 has the advantage that the configuration of the supply means 2 ′ can be simplified and the production cost can be reduced.
- FIG. 8 shows a square tube-shaped protection tube in which the light transmitting walls B 3, B 3 are provided so as to surround the outer periphery of the adjacent excimer UV lamps B, B, respectively.
- the configuration in which flow paths S 3 having the same interval are defined by the protective tubes B 3 and B 3 over the entire length of the upper and lower portions, respectively, is different.
- the configuration is the same as that of the other embodiments shown in FIGS.
- the one shown in FIG. 8 is similar to the embodiment shown in FIGS. 4 to 6 by supplying nitrogen gas between each excimer UV lamp B and the rectangular protective tube B3.
- the excimer UV from the internal electrode B 1 and the external electrode B 2 is reliably absorbed and reaches the outside of the protection tube B 3 without being absorbed.
- the distance is made uniform.
- the area A 1 ′ of the irradiation target A which faces parallel to the straight bottom surface of the rectangular cylindrical protection tube B 3, is exposed to excimer UV radiation everywhere and the received energy reaches the required amount.
- the area of the area A 2 ′ where the excimer UV irradiation is weaker than that of the embodiment shown in FIG. 1 is much smaller than the embodiment shown in FIG. The advantage is that the cleaning efficiency can be further improved. You.
- a continuous transport mechanism 3b such as a roller-conveyor, is provided as the transport means 3 for the irradiation target A, but is not limited thereto.
- the rotary transport mechanism 3a shown in FIG. 1, the planetary motion mechanism 3c shown in FIG. 3, or the transport mechanism 3d shown in FIG. 4 may be used.
- each excimer UV lamp B has a double cylindrical structure in which a reticulated cylindrical internal electrode A1 and an external electrode A2 are coaxially arranged.
- the present invention is not limited to this. Any other structure may be used as long as the excimer UV is radiated radially, and the transparent protective tube B3 that covers the outside of the structure is not limited to the cylindrical shape. Polygonal cylindrical shapes other than the square cylindrical shape shown in FIG.
- B 3 is a cylindrical or square protective tube provided so as to surround the outer periphery of the adjacent excimer UV lamps B, B is shown, but the present invention is not limited to this. Alternatively, it is only necessary to partition the exposed external electrode A2 with the non-cylindrical light transmitting wall.
- the invention according to claim 1 of the present invention is characterized in that the reactive gas is supplied from the reactive gas supply means only to the active region on the irradiation target, and the reactive gas and the excimer UV
- the photochemical reaction of the gas is promoted in a low-temperature atmosphere, and the reactive gas is not supplied to the region where the photochemical reaction does not actively occur, and the reactive gas is not wasted, so that the gas supply capacity is not a large reactive gas supply source.
- the photochemical reaction can be performed stably with a simple structure and in a low-temperature atmosphere. Therefore, a highly efficient photochemical reaction is possible, which is economical.
- the space other than the active region to which the reactive gas is supplied is filled with the auxiliary gas for reaction, and the unreacted unnecessary gas is removed from the reaction region. Since the gas is discharged more quickly, the reactive gas can be quickly introduced into the active region (reaction region) and replaced.
- the excimer UV transmitted through the light transmitting wall from each excimer UV lamp and applied to the flow path reacts with oxygen without being absorbed by the reaction auxiliary gas in the flow path.
- Ozone is generated, and the amount of ozone increases while moving to the outlet of the flow path, and becomes high in concentration.
- the ozone is forced to flow from the outlet toward the irradiation target, and excimer UV is separated from the area immediately below the excimer UV lamp.
- the area to be irradiated has a large area such as a glass substrate of a liquid crystal display as compared to the conventional one in which a clear difference in the degree of cleaning occurs between a region immediately below each excimer UV lamp and a region farther away than the excimer UV lamp. Irradiated bodies can be efficiently cleaned.
- a fourth aspect of the present invention in addition to the effect of the invention of claim 3, the ozone generated by the excimer UV (0 3), water molecules (H 2 0) or hydrogen (H 2) is further decomposed, These react to generate a large amount of [.OH] radicals (groups), and these [.OH] radicals (groups) bind to the surface of the activated irradiated object after the excimer UV reaction treatment.
- the effect of modifying the surface of the reaction region is further enhanced, and particularly, the wettability is improved.Therefore, it is possible to suppress the activation after the reaction treatment by excimer UV, and to stabilize the state in which dirt hardly adheres after the reaction treatment. it can.
- the invention of claim 5 provides, in addition to the effect of the invention of claims 1, 2, 3 or 4, the outer periphery of each excimer UV lamp is covered with a protective tube, so that the electrodes of the excimer UV lamp are directly activated by oxygen. This prevents the formation of oxides by touching, and also suppresses excimer UV absorption from the lamp wall (external electrode B 2) to the outside of the protection tube B 3 to prevent deterioration of light intensity. The distance from the electrode to the irradiated object can be maintained properly while protecting the electrode of the excimer UV lamp.
- the entire surface of the irradiation object passes directly below the excimer UV lamp by the relative movement of the excimer UV lamp and the irradiation object.
- the variation in the amount of excimer UV irradiation is improved, and at the same time, the time required for excimer UV irradiation over the entire irradiated object is shortened, thereby shortening the reaction time while eliminating uneven photochemical reactions.
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- Organic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
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- Cleaning In General (AREA)
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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US10/399,548 US20040040496A1 (en) | 2000-11-01 | 2001-10-24 | Excimer uv photo reactor |
JP2002539060A JP3990979B2 (ja) | 2000-11-01 | 2001-10-24 | エキシマuvフォトリアクター |
AU2002210927A AU2002210927A1 (en) | 2000-11-01 | 2001-10-24 | Excimer uv photo reactor |
KR1020037005710A KR100733803B1 (ko) | 2000-11-01 | 2001-10-24 | 엑시머 자외선 포토 리액터 |
EP01978866A EP1348483A1 (en) | 2000-11-01 | 2001-10-24 | Excimer uv photo reactor |
Applications Claiming Priority (8)
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JP2000-334726 | 2000-11-01 | ||
JP2000334726 | 2000-11-01 | ||
JP2001-96288 | 2001-03-29 | ||
JP2001096288 | 2001-03-29 | ||
JP2001-130842 | 2001-04-27 | ||
JP2001130842 | 2001-04-27 | ||
JP2001193060 | 2001-06-26 | ||
JP2001-193060 | 2001-06-26 |
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WO2002036259A1 true WO2002036259A1 (fr) | 2002-05-10 |
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PCT/JP2001/009314 WO2002036259A1 (fr) | 2000-11-01 | 2001-10-24 | Photoreacteur a rayonnement uv excimere |
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US (1) | US20040040496A1 (ja) |
EP (1) | EP1348483A1 (ja) |
JP (1) | JP3990979B2 (ja) |
KR (1) | KR100733803B1 (ja) |
CN (1) | CN1216680C (ja) |
AU (1) | AU2002210927A1 (ja) |
TW (1) | TWI251506B (ja) |
WO (1) | WO2002036259A1 (ja) |
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- 2001-10-24 US US10/399,548 patent/US20040040496A1/en not_active Abandoned
- 2001-10-24 EP EP01978866A patent/EP1348483A1/en not_active Withdrawn
- 2001-10-24 AU AU2002210927A patent/AU2002210927A1/en not_active Abandoned
- 2001-10-24 KR KR1020037005710A patent/KR100733803B1/ko not_active IP Right Cessation
- 2001-10-24 JP JP2002539060A patent/JP3990979B2/ja not_active Expired - Fee Related
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JP2008041998A (ja) * | 2006-08-08 | 2008-02-21 | Ushio Inc | 基板乾燥装置及び基板乾燥方法 |
JP2008068155A (ja) * | 2006-09-12 | 2008-03-27 | Ushio Inc | エキシマ光照射装置 |
JP2009183949A (ja) * | 2009-05-11 | 2009-08-20 | Gs Yuasa Corporation | 紫外光洗浄装置および紫外光洗浄装置用紫外線ランプ |
JP2018528469A (ja) * | 2015-08-27 | 2018-09-27 | ズース マイクロテク フォトマスク エクイップメント ゲゼルシャフト ミット ベシュレンクテル ハフツング ウント コンパニー コマンディートゲゼルシャフトSuss MicroTec Photomask Equipment GmbH & Co. KG | Uv放射が照射される液状の媒質を基板に塗布するための装置 |
Also Published As
Publication number | Publication date |
---|---|
AU2002210927A1 (en) | 2002-05-15 |
EP1348483A1 (en) | 2003-10-01 |
JP3990979B2 (ja) | 2007-10-17 |
JPWO2002036259A1 (ja) | 2004-03-11 |
KR100733803B1 (ko) | 2007-07-02 |
TWI251506B (en) | 2006-03-21 |
US20040040496A1 (en) | 2004-03-04 |
CN1216680C (zh) | 2005-08-31 |
KR20030048075A (ko) | 2003-06-18 |
CN1449303A (zh) | 2003-10-15 |
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