WO2004020692A1 - 基板処理装置 - Google Patents
基板処理装置 Download PDFInfo
- Publication number
- WO2004020692A1 WO2004020692A1 PCT/JP2003/010506 JP0310506W WO2004020692A1 WO 2004020692 A1 WO2004020692 A1 WO 2004020692A1 JP 0310506 W JP0310506 W JP 0310506W WO 2004020692 A1 WO2004020692 A1 WO 2004020692A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- processing
- substrate
- chamber
- gas supply
- wafer
- Prior art date
Links
- 239000000758 substrate Substances 0.000 title claims abstract description 54
- 239000002826 coolant Substances 0.000 claims abstract description 39
- 238000001816 cooling Methods 0.000 claims abstract description 38
- 238000007789 sealing Methods 0.000 claims abstract description 22
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims description 90
- 230000003028 elevating effect Effects 0.000 claims description 39
- 239000007789 gas Substances 0.000 claims description 39
- 230000005855 radiation Effects 0.000 claims description 9
- 238000005259 measurement Methods 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 3
- 230000008020 evaporation Effects 0.000 claims description 3
- 230000008016 vaporization Effects 0.000 abstract 1
- 238000009834 vaporization Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 28
- 238000000034 method Methods 0.000 description 8
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 238000012546 transfer Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910000856 hastalloy Inorganic materials 0.000 description 2
- 229910001026 inconel Inorganic materials 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052571 earthenware Inorganic materials 0.000 description 1
- -1 ethanol Chemical compound 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 150000005846 sugar alcohols Polymers 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
Classifications
-
- 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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4409—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber characterised by sealing means
-
- 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
- C23C16/458—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 supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
- C23C16/4586—Elements in the interior of the support, e.g. electrodes, heating or cooling devices
-
- 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
- C23C16/46—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 heating the substrate
- C23C16/463—Cooling of the substrate
-
- 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
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67126—Apparatus for sealing, encapsulating, glassing, decapsulating or the like
Definitions
- the present invention relates to a substrate processing apparatus that performs processing on a substrate while heating the substrate.
- a film forming apparatus that forms a thin film on a semiconductor wafer by supplying a processing gas while heating the semiconductor wafer (hereinafter, simply referred to as a “wafer”) has been known.
- a current is applied to a resistance heating element provided in the susceptor to heat a wafer mounted on the susceptor.
- the resistance heating element and the power supply outside the chamber are connected by a lead wire, but when the processing gas comes into contact with the lead wire, the lead wire and the processing gas cause a chemical reaction, and the lead wire is disconnected. May corrode. For this reason, the contact between the lead wire and the processing gas is suppressed by interposing a seal member between the chamber and the susceptor.
- the present invention has been made to solve the above problems. That is, it is possible to provide a substrate processing apparatus capable of suppressing a rise in the temperature of a sealing member. aimed to.
- a substrate processing apparatus includes a processing chamber for storing a substrate, a mounting table for mounting the substrate stored in the processing chamber, a heating member disposed in the mounting table, and heating the substrate. It is characterized by comprising a seal member interposed between the mounting table and the processing chamber, and a cooling mechanism including a cooling medium and cooling the seal member by latent heat of evaporation of the cooling medium. According to the substrate processing apparatus of the present invention, the seal member can be cooled by the cooling mechanism, and the temperature rise of the seal member can be suppressed.
- the cooling mechanism includes a hermetic container that accommodates a cooling medium and has a decompressed inside. By providing such an airtight container, the boiling point of the cooling medium can be reduced.
- the substrate processing apparatus further includes a temperature sensor disposed near the seal member, and a cooling mechanism controller that controls the cooling mechanism based on a measurement result of the temperature sensor.
- a temperature sensor disposed near the seal member
- a cooling mechanism controller that controls the cooling mechanism based on a measurement result of the temperature sensor.
- a substrate processing apparatus including: a processing chamber configured to house a substrate; a mounting table configured to mount the substrate stored in the processing chamber; and a support configured to support the mounting unit.
- a heating member is provided in the mounting portion and heats the substrate; a sealing member interposed between the supporting portion and the processing chamber; and a shielding member for shielding heat radiation from the mounting portion to the sealing member. It is characterized by ADVANTAGE OF THE INVENTION According to the substrate processing apparatus of this invention, the heat radiation which goes to a sealing member from a mounting part can be shielded by a shielding member, and the temperature rise of a sealing member can be suppressed.
- the shielding member covers at least a part of the back surface of the mounting portion.
- the back surface of the mounting portion is a surface opposite to the surface on which the substrate is mounted.
- the substrate processing apparatus further includes a substrate elevating member for elevating the substrate, and the shielding member supports the substrate elevating member. Since the shielding member supports the substrate elevating member, the number of components can be reduced, and the cost can be reduced.
- the substrate processing apparatus further includes a processing gas supply system that supplies a processing gas into the processing chamber.
- a processing gas supply system that supplies a processing gas into the processing chamber.
- the processing gas supply system includes a plurality of processing gas supply systems that supply different processing gases into the processing chamber, and the substrate processing apparatus includes a processing gas supply system configured to supply the processing gases alternately. It is possible to further comprise a processing gas supply system controller for controlling the pressure. When the size of the substrate processing apparatus is reduced, the discharge time of the processing gas can be reduced.
- FIG. 1 is a schematic configuration diagram of a film forming apparatus according to the first embodiment.
- FIG. 2A is a schematic plan view of the wafer elevating pin support according to the first embodiment, and
- FIG. 2B is a schematic vertical cross section of the wafer elevating pin support according to the first embodiment.
- FIG. 1 is a schematic configuration diagram of a film forming apparatus according to the first embodiment.
- FIG. 2A is a schematic plan view of the wafer elevating pin support according to the first embodiment
- FIG. 2B is a schematic vertical cross section of the wafer elevating pin support according to the first embodiment.
- FIG. 3A is a schematic plan view of the shielding cap according to the first embodiment
- FIG. 3B is a schematic vertical sectional view of the shielding cap according to the first embodiment.
- FIG. 4 is a schematic configuration diagram of the cooling mechanism according to the first embodiment.
- FIG. 5 is a flowchart showing a flow of processing performed by the film forming apparatus according to the first embodiment.
- 6A to 6D are views schematically showing processing performed in the film forming apparatus according to the first embodiment.
- FIG. 7 is a schematic configuration diagram of a film forming apparatus according to the second embodiment.
- FIG. 8 is a flowchart showing a flow of processing performed in the film forming apparatus according to the second embodiment.
- FIG. 9A is a schematic plan view of a wafer elevating pin support according to the third embodiment
- FIG. 9B is a schematic vertical cross section of a wafer elevating pin support according to the third embodiment.
- FIG. 10A is a schematic plan view of a wafer elevating pin support according to the third embodiment
- FIG. 10B is a schematic vertical view of a wafer elevating pin support according to the third embodiment. It is sectional drawing. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 1 is a schematic configuration diagram of a film forming apparatus according to the present embodiment
- FIGS. 2A and 2B are a schematic plan view and a vertical cross section of a wafer elevating pin support according to the present embodiment
- FIG. 3A and FIG. 3B are a schematic plan view and a vertical cross-sectional view of a shielding cap according to the present embodiment.
- the film forming apparatus 1 includes a chamber 2 formed of, for example, aluminum stainless steel.
- the chamber 2 may be subjected to a surface treatment such as an alumite treatment.
- An opening 2A is formed in a side portion of the chamber 2, and a gut valve 3 for carrying the wafer W into or out of the chamber 2 is attached near the opening 2A.
- T i C 1 4 and a shower head 4 for discharging NH 3 toward the wafer W are inserted.
- the NH 3 supply unit 4 B discharges the NH 3 Numerous NH 3 discharge holes are formed.
- T i C 1 4 supply system 1 0 includes a T i C 1 4 source 1 1 that accommodates the T i C 1 4.
- T i C 1 4 source 1 1 ⁇ This, T i C 1 4 supply pipe 1 2, one end of which is connected to the T i C 1 4 discharge part 4 A is connected.
- the T i C 1 4 supply pipe 1 2 a mass flow controller (MF C) 1 4 for adjusting the flow rate of the valve 1 3 and T i C 1 4 is interposed.
- MF C mass flow controller
- NH 3 supply system 2 0 includes a NH 3 source 2 1 containing the NH 3.
- NH 3 to a source 2 1 has one end NH 3 supply pipe 2 2 connected to the NH 3 discharge portion 4 B is connected.
- a valve 23 and a mass flow controller 24 for adjusting the flow rate of NH 3 are interposed.
- the mass flow controller 2 4 is adjusted by Rukoto valve 2 3 is opened, the NH 3 from the NH 3 supply source 2 1 at a predetermined flow rate is supplied to the NH 3 discharge portion 4 B.
- Valves 1 3 and 2 3 must be opened so that valves 1 3 and 2 3 are alternately opened.
- a valve controller 25 for controlling the lubes 13 and 23 is electrically connected. By controlling such valves 13 and 23 with the valve controller 25, a TiN film having excellent step coverage and the like is formed on the wafer W.
- the bottom of the chamber 2, the discharge system 3 0 are connected to discharge the T i C 1 4 and NH 3 or the like gas.
- the discharge system 30 includes an automatic pressure controller (APC) 31 for controlling the pressure in the chamber 2.
- the pressure in the chamber 2 is controlled to a predetermined pressure by adjusting the conductance by the auto-press controller 31.
- the discharge pipe 32 is connected to the auto pressure controller 31.
- a main valve 33 In the discharge pipe 32, a turbo molecular pump 34, a trap 35, a valve 36, and a dry pump 37 are arranged in this order from the upstream side to the downstream side.
- the turbo molecular pump 34 performs the main draw. By performing the main drawing with the turbo molecular pump 34, the pressure in the chamber 2 is maintained at a predetermined pressure. Furthermore, by venting from the chamber 2 by the turbo molecular pump 3 4, 4 extra T i C 1 from the chamber 2, NH 3, T i N, and NH 4 C 1 or the like is discharged.
- the trap 35 is for trapping NH 4 C 1 contained in the exhaust gas and removing NH 4 C 1 from the exhaust gas.
- the dry pump 37 is for assisting the turbo molecular pump 34. By operating the dry pump 37, the pressure in the subsequent stage of the turbo molecular pump 34 can be reduced.
- the dry pump 37 is for performing rough evacuation in the chamber 2.
- a roughing pipe 38 for roughing with the dry pump 37 is connected to a discharge pipe 32 between the valve 36 and the dry pump 37.
- the other end of the roughing pipe 3 8 is the auto pressure controller 31 and the main valve It is connected to a discharge pipe 32 between the pipes 33 and 33.
- a valve 39 is interposed in the roughing pipe 38.
- the susceptor 40 includes a substantially disk-shaped mounting portion 40 A on which the wafer W is mounted, and a support portion 40 B for supporting the mounting portion 40 A.
- a resistance heating element 41 for heating the mounting portion 40B to a predetermined temperature is provided in the mounting portion 40A.
- Two lead wires 42 whose one ends are connected to an external power supply (not shown) are connected to the resistance heating element 41. A current flows from the external power supply to the resistance heating element 41 through the lead wire 42,
- Holes 4 O C for raising and lowering the wafer W are formed in three places of the mounting portion 4 O A in a vertical direction.
- Wafer elevating pins 43 are inserted into holes 40C, respectively.
- the wafer elevating pins 43 are supported by the wafer elevating pin support base 44 such that the wafer elevating pins 43 stand upright.
- the wafer elevating pin support 44 is formed in a flat plate and ring shape as shown in FIGS. 2A and 2B.
- the wafer elevating pin support 44 is disposed between the mounting part 40 A and a seal member 47 described later, and has a function of supporting the wafer elevating pins 44 as well as the mounting part 40. It also has a function of blocking thermal radiation from A to the sealing member 47.
- the wafer elevating pin support 44 is formed of a material capable of effectively shielding thermal radiation.
- the wafer elevating pin support 44 is formed of any one of aluminum oxide, aluminum nitride, silicon carbide (SiC), quartz, stainless steel, aluminum, Hastelloy, Inconel, and nickel. I have.
- An air cylinder (not shown) is fixed to the wafer elevating pin support 4.
- the air cylinder is provided with a rod 45. When the rod 45 is retracted by driving the air cylinder, the wafer lifting pins 43 are lowered, and the wafer W is placed on the mounting portion 40A. You.
- the wafer elevating pins 43 are raised, and the wafer W is separated from the mounting portion 40A.
- a telescopic bellows 46 covering the rod 45 is disposed inside the chamber 2. By covering the rod 45 with the bellows 46, the airtightness in the chamber 2 is maintained.
- a ring-shaped seal member 47 made of a synthetic resin is interposed between the support portion 40 B of the susceptor 40 and the chamber 2. By sandwiching the sealing member 4 7, the contact between the lead wire 4 2 and T i C 1 4 or the like is suppression.
- a shielding cap 48 for shielding heat radiation from the mounting portion 40A to the seal member 47 is covered on the bottom of the support portion 40B.
- the shielding cap 48 is formed in a hollow shape having an opening on the upper surface as shown in FIGS. 3A and 3B.
- the shielding cap 48 is formed of a material that can effectively shield thermal radiation.
- the shielding cap 48 is formed of any one of aluminum oxide, aluminum nitride, silicon carbide (SiC), quartz, stainless steel, anolememi-pum, hastelloy, inconel, and nickele. ing.
- FIG. 4 is a schematic configuration diagram of the cooling mechanism 50 according to the present embodiment. As shown in FIG. 4, the cooling mechanism 50 includes a heat pipe 51 for cooling the seal member 47. End of heat pipe 51 1 5 A Is inserted into an opening formed at the bottom of the chamber 2.
- the heat pipe 51 includes a cylindrical airtight container 52.
- a cooling medium 53 is accommodated in the airtight container 52.
- the cooling medium 53 for example, any of water, hydranol alcohol, ethanol, such as ethanol, a fluorine-based inert liquid, and naphthalene can be used. Also, a mixture of polyhydric alcohols such as a mixture of ethylene dalicol and propylene dalicol can be used.
- the pressure inside the airtight container 52 is reduced. By reducing the pressure in the airtight container 52, the boiling point of the cooling medium 53 is lower than that at atmospheric pressure.
- a wick 54 for moving the liquefied cooling medium 53 to the tip 51A of the heat pipe 51 by capillary force is provided in the airtight container 52 ⁇ .
- the wick 54 is formed in a wire mesh shape.
- the liquefied cooling medium 53 that has moved to the tip 51 A of the heat pipe 51 absorbs heat near the sealing member 47 and evaporates.
- the vaporized cooling medium 53 moves to the root 51 B of the heat pipe 51 and is cooled and liquefied by a condenser 55 described later.
- the liquefied cooling medium 53 moves to the tip 51 A again by the wick 54. By repeating this, the seal member 47 is cooled, and the temperature rise of the seal member 47 is suppressed.
- a condenser 55 for cooling the root portion 51B and liquefying the vaporized cooling medium 53 is provided outside the root portion 51B of the heat pipe 51.
- the condenser 55 includes a container 56 that covers the root 51 B of the heat pipe 51.
- a circulation pipe 57 for circulating the cooling medium is connected to two places of the container 56, and a cooling medium supply source 58 storing the cooling medium is connected to the circulation pipe 57. .
- the circulation pipe 57 is provided with a pump 59 for pumping a cooling medium from a cooling medium supply source 57. When the pump 59 operates, the cooling medium is supplied through the circulation pipe 57.
- the cooling medium circulates between the supply source 58 and the space outside the airtight container 52 and inside the container 56 (cooling medium supply space).
- the pump 59 is configured so that the flow rate of the cooling medium can be adjusted.
- FIG. 5 is a flowchart showing a flow of processing performed in the film forming apparatus 1 according to the present embodiment
- FIGS. 6A to 6D are performed in the film forming apparatus 1 according to the present embodiment. It is the figure which showed the process typically.
- Step 1A a current is applied to the resistance heating element 41 disposed in the mounting portion 40 A of the susceptor 40, and the mounting portion 40 A is heated to about 300 to 450 ° C. You.
- a cooling medium is supplied to the cooling medium supply space, and the heat pipe 51 cools the sealing member 47. (Step 1A). The cooling medium is circulating throughout the period in which the receiver 50A is being heated.
- the dry pump 37 is operated to perform rough evacuation in the chamber 2. After that, when the pressure in the chamber 2 was reduced to some extent, the valve 39 was closed and the main valve 33 and the valve 36 were opened, switching from roughing of the dry pump 37 to full drawing of the turbo molecular pump 34. (Step 2A). The dry pump 37 is still operating after the switch.
- a following gate Tobarubu 3 is opened, and extends the transport ⁇ over arm (not shown) holding the the wafer W, the chamber 2
- the wafer W is loaded into the wafer (Step 3A).
- the transfer arm is retracted, and the wafer W is placed on the wafer lifting pins 43.
- the wafer lifting pins 43 are lowered by lowering the rod 45, and the wafer W is heated to 300 to 450 ° C. It is placed on the mounting section 40 A (step 4 A).
- T i C 1 4 is ejected at a flow rate of about 3 0 sccm toward the T i C 1 4 discharge part 4 a on the wafer W in earthenware pots by the (step 5 a).
- T i C 1 4 which exhaled contacts the wafer W
- T i C 1 4 is adsorbed on the wafer W surface.
- the valve 1 3 is closed, both the supply of T i C 1 4 is stopped as shown in FIG. 6 B, T i C 1 4 remaining in the chamber 2 is a chamber 2 (Step 6A).
- the pressure in the chamber 2 is equal to or less than about 6. 6 7 X 1 0- 2 P a.
- valve 2 3 is opened, the NH 3 toward the NH 3 discharge part 4 B, as shown in FIG. 6 C in the wafer W is discharged at a flow rate of about 1 0 0 sccm (Step 7 A).
- T i N film is formed on the wafer W.
- Step 8A the pressure in the chamber 2 becomes less than about 6.67 X 10 _ 2 Pa.
- the central controller determines whether or not the process has been performed for 200 cycles, with the process of steps 5A to 8A as one cycle (step 9A). ;). If it is determined that the processing has not been performed for 200 cycles, the steps from Step 5A to Step 8A are performed again. If it is determined that the processing has been performed for 200 cycles, the rod 45 rises, the wafer elevating pins 43 rise, and the wafer W moves away from the mounting portion 40A (Step 10A). . When the process is performed for 200 cycles, a TiN film of about 10 nm is formed on the wafer W. Thereafter, after the gate valve 3 is opened, the transfer arm (not shown) extends, and the transfer arm holds the wafer W. Finally, the transfer arm is retracted, and the wafer W is unloaded from the chamber 2 (Step 11A).
- the seal member 47 can be cooled, and the temperature rise of the seal member 47 can be suppressed. As a result, even when the film forming apparatus 1 is downsized, the sealing member 47 is difficult to dissolve.
- Japanese Patent Application Laid-Open No. Hei 4-178138 discloses a technique in which a water-cooled jacket is provided in a chamber to cool a part of the chamber.
- the water cooling jacket circulates a cooling medium to cool the water.
- the heat pipe 51 cools using the latent heat of evaporation of the cooling medium 53, and has a better cooling power than a water-cooled jacket.
- a water-cooled jacket is used, if water in the piping is vaporized, bubbles may be generated in the piping and the piping may expand.
- the heat pipe 51 is used, even if the cooling medium 53 is vaporized at the tip 51 A, the cooling medium 53 is liquefied at the root 51 B.
- the wafer elevating pin support 44 and the shielding cap 48 are disposed between the receiver 50 A and the sealing member 47, the sealing is performed from the receiver 40 A.
- the heat radiation toward the member 47 can be reduced, and the temperature rise of the seal member 47 can be suppressed.
- FIG. 7 is a schematic configuration diagram of a film forming apparatus according to the present embodiment. As shown in FIG. 7, an opening is formed in the bottom of the chamber 2 near the seal member 47, and a temperature sensor 60 is inserted into this opening.
- the cooling mechanism controller 61 is electrically connected to the temperature sensor 60.
- the cooling mechanism controller 61 is electrically connected to the pump 59.
- the cooling mechanism controller 61 controls the flow rate of the cooling medium flowing into the cooling medium supply space to control the cooling power of the heat pipe 51. Specifically, the cooling mechanism controller 61 compares the measurement result of the temperature sensor 60 with the preset temperature stored in the cooling mechanism controller 61 in advance, and based on the comparison result, determines the sealing member 47. The operation of the pump 59 is controlled (feedback control) so that the nearby temperature becomes the set temperature. Here, if the flow rate of the cooling medium supplied to the cooling medium supply space is increased, the root portion 51B of the heat pipe 51 is further cooled, so that the cooling power of the heat pipe 51 is increased.
- FIG. 8 is a flowchart showing a flow of processing performed in the film forming apparatus 1 according to the present embodiment.
- Step 1B a current is applied to the resistance heating element 41, and the mounting section 40A is heated to about 300 to 450 ° C.
- the temperature in the vicinity of the sealing member 47 is measured by the temperature sensor 60, and the flow rate of the cooling medium supplied to the cooling medium supply space is controlled based on the measurement result, and the sealing member 4 Cooling of 7 is performed (Step 1B).
- the temperature measurement by the temperature sensor 6 ° and the flow rate control of the cooling medium based on the result of the temperature measurement are performed at predetermined time intervals while the receiver 40A is being heated.
- the dry pump 37 is operated to perform rough evacuation in the chamber 2. After that, the rough pumping of the dry pump 37 is switched to the main pumping of the turbo molecular pump 34 (step 2B).
- the wafer W is loaded into the chamber 2 (step 3 B). Thereafter, the wafer lifting pins 43 are lowered, and the wafer W is placed on the receiver 4OA (step 4B).
- the valve 1 3 is opened, T i C 1 4 T i C 1 4 is discharged from the discharge portion 4 A (step 5 B).
- the valve 1 3 is closed, the supply of T i C 1 4 is stopped, T i C 1 4 remaining in the chamber 2 is discharged from the chamber 2 (Step 6 B).
- valve 2 3 is opened, the NH 3 is discharged from the NH 3 discharge portion 4 B (step 7 B).
- the valve 23 is closed, the supply of NH 3 is stopped, and NH 3 and the like remaining in the chamber 2 are discharged from the chamber 2 (Step 8B).
- Step 9B After the elapse of the predetermined time, it is determined whether or not the process has been performed 200 cycles, with the process of Step 5B to Step 8B as one cycle (Step 9B). If it is determined that the processing has not been performed for 200 cycles, the steps 5B to 8B are performed again.
- the wafer elevating pins 43 are raised, and the wafer W is separated from the receiver 40A (step 10B). last Then, the wafer W is unloaded from the chamber 2 by a transfer arm (not shown) (step 11B).
- the temperature near the seal member 47 is measured by the temperature sensor 60, and the cooling power of the heat pipe 51 is controlled based on the measurement result of the temperature sensor 47. Can be maintained at the desired temperature.
- FIGS. 10A and 10B show the present embodiment. It is a schematic plan view and a vertical sectional view of such a wafer elevating pin support.
- the wafer elevating pin support 44 may be formed in a shape in which a plate-shaped and ring-shaped one is partially cut away. Further, as shown in FIGS. 10A and 10B, the wafer elevating pin support 44 may be formed in a flat plate shape and a U shape. The same effects as those of the first and second embodiments can be obtained by using the wafer elevating pin support 44 having these shapes.
- the present invention is not limited to the description in the above embodiment, and the structure, the material, the arrangement of each member, and the like can be appropriately changed without departing from the gist of the present invention.
- the wafer elevating pin support base 44 and the shielding cap 48 are provided. However, if the cooling mechanism 50 is provided, these may be omitted. ,. Conversely, if the wafer lifting pin support 44 and the shielding cap 48 are provided, the cooling mechanism 50 need not be provided. Further, a wafer elevating pin support 44 and a shielding cap 48 are disposed between the receiver 40 A and the sealing member 47. However, either one may be used.
- a cooling mechanism for cooling the wafer elevating pin support 44 is not attached to the wafer elevating pin support 44, but a cooling mechanism is provided for the wafer elevating pin support 44. May be attached. Further, a cooling mechanism may be attached to the shielding cap 48 in the same manner.
- Table 1 shows examples of film types and processing gases for forming these films.
- the use of the T i C 1 4 and NH 3 it is also possible to use processing gases such as shown in Table 1.
- the receiver 4OA is heated to about 300.degree.450.degree. C., but the heating temperature of the receiver 40A may be changed according to the processing gas. Needless to say.
- T a F 5 , NH 3 T a C l 5 , NH 3 T i C l 4 , S i H 2 C l 2 , NH 3 T i C l 4 and S i H 4 shown in Table 1 NH 3 T i C l 4 and S i C l 4 and the mounting portion when using NH 3 4 Heat so that 0 A is about 300-450 ° C.
- the mounting part 40 A When using A 1 (CH 3 ) 3 and H 20 , and A 1 (CH 3 ) 3 and H 2 O 2 , the mounting part 40 A will be about 150 to 500 ° C. And heat.
- Zr (O-t (C 4 H 9 )) 4 and H 20 , and Zr (O-t (C 4 H 9 )) 4 and H 2 O 2 the receiver 40 A Is heated to about 150 to 300 ° C. Placed in the case of a T a (OC 2 H 5) 5 and 0 2, T a (OC 2 H 5) 5 and H 2 0, T a (OC 2 H 5) 5 and H 2 0 2 to use Heat so that the temperature of part 40A is approximately 150 to 600 ° C.
- first and second 23 it is performed film formation by supplying T i C 1 4 and NH 3 are alternately, can also this forming a film by supplying these processing gases simultaneously is there.
- the wafer W is used, a glass substrate may be used.
- the film forming apparatus 1 has been described.
- the present invention can be applied to any apparatus that heats a substrate and processes the substrate.
- the present invention can be applied to an etching apparatus, a sputtering apparatus, and a vacuum evaporation apparatus.
- two or more kinds of etching gases are used, they may be supplied alternately or simultaneously.
- the substrate processing apparatus according to the present invention can be used in the semiconductor manufacturing industry.
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- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
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Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/524,215 US20050235918A1 (en) | 2002-08-30 | 2003-08-20 | Substrate treating apparatus |
AU2003257620A AU2003257620A1 (en) | 2002-08-30 | 2003-08-20 | Substrate treating apparatus |
US12/397,088 US20090165720A1 (en) | 2002-08-30 | 2009-03-03 | Substrate treating apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002/252267 | 2002-08-30 | ||
JP2002252267A JP4083512B2 (ja) | 2002-08-30 | 2002-08-30 | 基板処理装置 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/397,088 Division US20090165720A1 (en) | 2002-08-30 | 2009-03-03 | Substrate treating apparatus |
Publications (1)
Publication Number | Publication Date |
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WO2004020692A1 true WO2004020692A1 (ja) | 2004-03-11 |
Family
ID=31972727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/JP2003/010506 WO2004020692A1 (ja) | 2002-08-30 | 2003-08-20 | 基板処理装置 |
Country Status (5)
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US (2) | US20050235918A1 (ja) |
JP (1) | JP4083512B2 (ja) |
AU (1) | AU2003257620A1 (ja) |
TW (1) | TWI226079B (ja) |
WO (1) | WO2004020692A1 (ja) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4056829B2 (ja) * | 2002-08-30 | 2008-03-05 | 東京エレクトロン株式会社 | 基板処理装置 |
JP4787636B2 (ja) * | 2006-03-13 | 2011-10-05 | 東京エレクトロン株式会社 | 高圧処理装置 |
CN100590236C (zh) * | 2006-12-28 | 2010-02-17 | 中国科学院半导体研究所 | 一种生长氧化锌薄膜的装置及方法 |
JP4913695B2 (ja) * | 2007-09-20 | 2012-04-11 | 東京エレクトロン株式会社 | 基板処理装置及びそれに用いる基板載置台 |
JP5014080B2 (ja) * | 2007-11-19 | 2012-08-29 | コバレントマテリアル株式会社 | 面状ヒータ |
JP5570938B2 (ja) * | 2009-12-11 | 2014-08-13 | 株式会社日立国際電気 | 基板処理装置及び半導体装置の製造方法 |
JP5478280B2 (ja) * | 2010-01-27 | 2014-04-23 | 東京エレクトロン株式会社 | 基板加熱装置および基板加熱方法、ならびに基板処理システム |
KR101205433B1 (ko) * | 2010-07-28 | 2012-11-28 | 국제엘렉트릭코리아 주식회사 | 기판 서셉터 및 그것을 갖는 증착 장치 |
JP2020033625A (ja) * | 2018-08-31 | 2020-03-05 | 東京エレクトロン株式会社 | 成膜装置及び成膜方法 |
US20220002866A1 (en) * | 2018-11-28 | 2022-01-06 | Lam Research Corporation | Pedestal including vapor chamber for substrate processing systems |
JP7281968B2 (ja) * | 2019-05-30 | 2023-05-26 | 東京エレクトロン株式会社 | アリ溝加工方法及び基板処理装置 |
US20210032750A1 (en) * | 2019-07-31 | 2021-02-04 | Taiwan Semiconductor Manufacturing Co., Ltd. | Deposition apparatus and method of forming metal oxide layer using the same |
WO2023032238A1 (ja) * | 2021-09-06 | 2023-03-09 | 日立グローバルライフソリューションズ株式会社 | 冷蔵庫 |
JP7432564B2 (ja) * | 2021-09-06 | 2024-02-16 | 日立グローバルライフソリューションズ株式会社 | 冷蔵庫 |
JP7500522B2 (ja) * | 2021-09-14 | 2024-06-17 | 日立グローバルライフソリューションズ株式会社 | 冷蔵庫 |
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- 2003-08-20 TW TW092122903A patent/TWI226079B/zh not_active IP Right Cessation
- 2003-08-20 US US10/524,215 patent/US20050235918A1/en not_active Abandoned
- 2003-08-20 AU AU2003257620A patent/AU2003257620A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
---|---|
US20050235918A1 (en) | 2005-10-27 |
TW200407970A (en) | 2004-05-16 |
AU2003257620A1 (en) | 2004-03-19 |
JP2004091827A (ja) | 2004-03-25 |
TWI226079B (en) | 2005-01-01 |
US20090165720A1 (en) | 2009-07-02 |
JP4083512B2 (ja) | 2008-04-30 |
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