WO2005064998A1 - プラズマ処理装置 - Google Patents
プラズマ処理装置 Download PDFInfo
- Publication number
- WO2005064998A1 WO2005064998A1 PCT/JP2004/019318 JP2004019318W WO2005064998A1 WO 2005064998 A1 WO2005064998 A1 WO 2005064998A1 JP 2004019318 W JP2004019318 W JP 2004019318W WO 2005064998 A1 WO2005064998 A1 WO 2005064998A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- shower plate
- plasma processing
- processing apparatus
- gas
- cover plate
- Prior art date
Links
- 239000000463 material Substances 0.000 claims abstract description 31
- 229910052581 Si3N4 Inorganic materials 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 8
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 claims description 8
- 239000004065 semiconductor Substances 0.000 claims description 6
- 239000004973 liquid crystal related substance Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- 238000007599 discharging Methods 0.000 claims 1
- 238000009832 plasma treatment Methods 0.000 claims 1
- 230000005284 excitation Effects 0.000 description 21
- 239000000758 substrate Substances 0.000 description 12
- 239000004020 conductor Substances 0.000 description 11
- 238000001020 plasma etching Methods 0.000 description 9
- 230000005684 electric field Effects 0.000 description 5
- 238000000151 deposition Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/3244—Gas supply means
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/46—Generating plasma using applied electromagnetic fields, e.g. high frequency or microwave energy
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/32431—Constructional details of the reactor
- H01J37/32458—Vessel
- H01J37/32467—Material
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
Definitions
- the present invention relates to a plasma processing apparatus and a plasma processing apparatus for performing processing such as etching and etching such as CVD and RIE, oxidizing, nitriding, and oxynitriding on an object to be processed such as a semiconductor substrate and a liquid crystal display substrate.
- the present invention relates to a manufacturing method for manufacturing a product such as a semiconductor device using the same, and particularly to a configuration of a cover plate in the plasma processing apparatus.
- the plasma processing apparatus includes a radial slot line antenna that radiates a microwave into a processing chamber, a retardation plate that compresses the wavelength of the microwave radiated from the antenna, A low-loss dielectric (alumina) with a large number of gas emission holes, placed directly under the force bar plate, with an alumina cover plate placed at a distance from the retardation plate Equipped with a shower plate.
- a radial slot line antenna that radiates a microwave into a processing chamber
- a retardation plate that compresses the wavelength of the microwave radiated from the antenna
- a low-loss dielectric (alumina) with a large number of gas emission holes placed directly under the force bar plate, with an alumina cover plate placed at a distance from the retardation plate Equipped with a shower plate.
- the gas for gas generation is supplied to the gas discharge holes of the shower plate through a gas flow space provided between the upper surface of the shower plate and the lower surface of the cover plate which is partially in contact with the shower plate.
- a gas flow space provided between the upper surface of the shower plate and the lower surface of the cover plate which is partially in contact with the shower plate.
- the shower plate is formed with a plasma gas supply passage communicating with a plasma gas supply port provided on the outer wall of the processing chamber. Excited gas is provided to the supply passage in the shower plate. Further, the excitation gas is introduced into the processing chamber from the supply passage and the gas discharge holes of the shower plate.
- Patent Document 1 Japanese Patent Application Laid-Open No. 2002-299330
- plasma discharge occurs in a gas flow space provided between an upper surface of a shower plate and a lower surface of a cover plate that partially contacts the shower plate. Occasionally, it turned out that the supplied microwave was wasted by this unwanted discharge, losing power, rendering the original plasma discharge inefficient.
- the inventors have clarified that the cause of the undesired discharge is that electric field concentration occurs in the gas flow space, and that the electric field concentration is due to the high relative dielectric constant of the cover plate material. .
- alumina is used for both the shear plate and the cover plate, but the relative dielectric constant ( ⁇ r) of alumina is about 9 (9.8 at 2.56 GHz at 13.56 MHz and 2.45 at GHz). 8.8) Since the relative permittivity of the gas in the gas flow space is about 1, the difference in permittivity is large, which causes electric field concentration.
- An object of the present invention is to provide a method capable of suppressing an undesired discharge based on the above-mentioned new knowledge in the plasma processing apparatus.
- a specific object of the present invention is to provide a plasma processing apparatus or a semiconductor manufacturing apparatus with high microwave power efficiency.
- Another object of the present invention is to provide a method for manufacturing a product using the above-described plasma processing apparatus.
- a shower plate having a plurality of emission holes for emitting gas, a microwave microphone antenna, and a cover plate interposed between the shower plate and the microwave antenna are provided.
- a plasma processing apparatus characterized in that a material having a lower relative dielectric constant than a material of the shower plate is included as a material of the cover plate.
- the shower plate is used as a material for the cover plate.
- a plasma processing apparatus characterized by including a material having a low relative dielectric constant and a high thermal conductivity as compared with a rate material is further obtained.
- the material of the cover plate a material having a small relative dielectric constant and a large thermal conductivity as compared with the material of the shower plate and having a dielectric loss in microwave of 1 ⁇ 10 ⁇ 3 or less is used. It is preferable to include them. More preferably, the dielectric loss is a material of 1 ⁇ 10 ⁇ 4 or less.
- silicon nitride is used as the material of the cover plate, its relative dielectric constant is 7.9, which is preferable. Quartz is 3.8, which is more preferred. By mixing both materials or mixing other materials, a material with a low relative dielectric constant and high thermal conductivity and a dielectric loss in microwaves of less than 1 X 10 -3 is obtained. You can also.
- the thermal conductivity of alumina is 10 ⁇ 4, whereas that of silicon nitride is 4 ⁇ 10 -4, and that of aluminum nitride is 3.5 ⁇ 10 -3.
- a shower plate having a plurality of emission holes for emitting gas, a microwave antenna, and a cover plate interposed between the shower plate and the microwave antenna are provided.
- one of the main surfaces of the cover plate includes a plurality of protruding portions that abut on one of the main surfaces of the shower plate without the emission holes, and the protruding portion includes the cover.
- a plasma processing apparatus is characterized in that one of the main surfaces of the plate is constituted by an obtuse angle or a curve when viewed from above. It is also preferable that the protruding portion has a circular shape when one of the main surfaces of the cover plate is viewed from above.
- a plasma processing apparatus comprising: a shower plate having a plurality of emission holes for emitting gas; a microwave antenna; and a cover plate interposed between the shower plate and the microwave antenna.
- One of the main surfaces of the cover plate includes a protruding portion connected to a portion of the main surface of the shower plate having no emission hole and a valley portion other than the protruding portion.
- the plasma processing apparatus is characterized in that the portion includes a curved portion connecting the upper portion of the discharge hole on the one main surface of the shower plate and a gas introducing portion for introducing gas into the curved portion.
- the curved portion of the valley portion includes a plurality of ring-shaped portions forming concentric circles, and the gas introduction portion of the valley portion includes a linear portion connecting the ring-shaped portions.
- the plasma processing further includes a shower plate having a plurality of emission holes for emitting gas, a microphone aperture antenna, and a cover plate interposed between the shower plate and the microwave antenna.
- one of the main surfaces of the cover plate abuts on one of the main surfaces of the shower plate without the discharge hole, and at least one protruding portion and the one main surface of the shower plate without abutting.
- a plasma processing method characterized by performing plasma processing using these plasma processing apparatuses and a method of manufacturing a product for manufacturing a semiconductor device, a liquid crystal display device, or an organic EL display device product are obtained.
- microwaves can be efficiently introduced into the processing chamber 2.
- FIG. 1 is a cross-sectional view illustrating a schematic configuration of a plasma processing apparatus according to a first embodiment of the present invention.
- FIG. 2 is a plan view showing a configuration of a cover plate used in the first embodiment of the present invention.
- FIG. 3 is a cross-sectional view illustrating a schematic configuration of a plasma processing apparatus according to a second embodiment of the present invention.
- FIG. 4 is a plan view showing a configuration of a cover plate used in a second embodiment of the present invention.
- FIG. 5 is a sectional view showing a schematic configuration of a plasma processing apparatus according to a third embodiment of the present invention.
- FIG. 6 is a cross-sectional view illustrating a schematic configuration of a plasma processing apparatus according to a fourth embodiment of the present invention.
- FIG. 7 is a plan view showing a configuration of a cover plate according to a fifth embodiment of the present invention. Explanation of symbols
- FIG. 1 shows a first embodiment.
- a microwave plasma processing apparatus for a reactive ion etching (RIE) process has a processing chamber 2 evacuated through a plurality of exhaust ports 1, and a holding table 4 for holding a substrate 3 to be processed is arranged in the processing chamber 2.
- the processing chamber 2 defines a ring-shaped space around the holding table 4, and the plurality of exhaust ports 1 are arranged at regular intervals so as to communicate with the space, that is, in a case in which the processing chamber 2 is covered. They are arranged axially symmetrically with respect to the processing substrate 3. With the arrangement of the exhaust ports 1, the processing chamber 2 can be exhausted uniformly from the exhaust ports 1.
- the relative dielectric constant is 9.8 and the low microwave dielectric loss ( dielectric loss is alumina dielectric is IX 10- 4 or less), a large number of openings, i.e. gas ejection holes 5 are formed plate-shaped shower plate 6 is mounted via a seal ring 7. Furthermore, the processing chamber 2 has a relative dielectric constant of 8 and a relatively small microwave dielectric loss (dielectric loss) on the outside of the shower plate 6, that is, on the side opposite to the holding table 4 with respect to the shower plate 6.
- the cover plate 8 is made of a dielectric silicon nitride having high thermal conductivity (80 W / mK) and 3 ⁇ 10 ⁇ 4), and is attached via another seal ring 9.
- Shower plate 6 with top A space 10 for filling with a plasma excitation gas is formed between one plate 8. That is, in the cover plate 8, a large number of projections 11 are formed on the surface of the cover plate 8 on the side of the shower plate 6, and the periphery of the cover plate 8 is also projected to the same plane as the projections 11. As a result, the projection ring 12 is formed, so that the space 10 is formed between the shower plate 6 and the cover plate 8.
- the gas discharge holes 5 are arranged in the space 10.
- the protrusions 11 had a columnar shape, the diameter and the height were 1.5 mm and 0.3 mm, respectively, and the interval between the protrusions was 5 mm. In FIG. 2, the diameter and the interval are shown large in order to avoid complication.
- a plasma excitation gas supply passage 14 communicating with a plasma excitation gas supply port 13 provided on the outer wall of the processing chamber 2 is formed inside the shower plate 6, a plasma excitation gas supply passage 14 communicating with a plasma excitation gas supply port 13 provided on the outer wall of the processing chamber 2 is formed.
- the plasma excitation gas such as Ar, Kr, or Xe supplied to the plasma excitation gas supply port 13 is supplied from the supply passage 14 to the gas discharge hole 5 through the space 10 and introduced into the processing chamber 2. .
- the plasma-excited radial line slot antenna On the surface of the cover plate 8 opposite to the surface in contact with the shower plate 6, the plasma-excited radial line slot antenna has a thickness of a slow wave plate 18 made of alumina in which many slits 17 are opened. It is sandwiched between a copper plate 16 having a thickness of 0.3 mm and an aluminum plate 19, and has a structure in which a coaxial waveguide 20 for supplying microwaves is disposed at the center.
- the microwave of 2.45 GHz generated from a microwave power supply (not shown) is supplied to the coaxial waveguide 20 via an isolator (matching device (V, deviation not shown)) and passes through the inside of the slow wave plate 18.
- the light propagates from the center to the periphery while radiating from the slit 17 to the cover plate 8 side.
- the microwaves are emitted to the cover plate 8 side substantially uniformly from the slits 17 arranged in a large number.
- the emitted microwave is introduced into the processing chamber 2 through the cover plate 6, the space 10 or the projection 11, and the shower plate 6, and ionizes plasma excitation gas to generate high-density plasma. Is done.
- the relative permittivity of the cover plate 8 is 8
- the relative permittivity of the shower plate 6 is 9.8
- the microwave field strength in the space 10 was reduced because the rate was lower than in the conventional case.
- the protrusions 11 into a columnar shape, the corners of the dielectrics of the protrusions in the space 10 were eliminated, and local electric field concentration was suppressed, resulting in abnormal discharge in the space 10. , And microwaves can be efficiently introduced into the processing chamber 2.
- a conductor structure 15 is arranged in the processing chamber 2 between the shower plate 6 and the substrate 3 to be processed.
- the conductor structure 15 is provided with a number of nozzles for supplying a processing gas through a processing gas passage formed in the processing chamber 2 from an external processing gas source (not shown).
- Each of the nozzles of the conductor structure 15 discharges the supplied processing gas into a space between the conductor structure 15 and the substrate 3 to be processed.
- the plasma excited by the microwave on the surface of the shower plate 6 on the side of the conductor structure 15 is applied between the substrate 3 and the conductor structure 15. An opening large enough to efficiently pass through the space between them is formed
- the processing gas When the processing gas is discharged from the conductor structure 15 having such a structure into the space via a nozzle, the released processing gas is excited by the plasma flowing into the space.
- the plasma excitation gas from the shower plate 6 flows from the space between the shower plate 6 and the conductor structure 15 to the space between the conductor structure 15 and the substrate 3 to be processed,
- the component of the processing gas returning to the space between the shower plate 6 and the conductor structure 15 is small.
- the decomposition of gas molecules due to excessive dissociation due to exposure to high-density plasma is small, and the processing gas is a deposition gas. Even so, it is difficult for the microwave introduction efficiency to deteriorate due to deposition on the shower plate 6, and thus high-quality substrate processing is possible.
- a cover plate 25 is attached to the processing chamber 2 via a seal ring 40.
- the material of the cover plate 25 is a relative dielectric constant of 8, and relatively small microwave dielectric loss (dielectric loss 3 X 10- 4), and is of a dielectric high thermal conductivity (80W / mK) Silicon nitride.
- the cover plate 25 A ring-shaped groove 24 is arranged inside the seal ring 40.
- the groove 24 is provided with one or a plurality of grooves 26 so as to communicate with the space 10.
- FIG. 4 illustrates the cover plate 25 in more detail.
- the grooves 26 are axially symmetrically arranged at four positions. By providing a plurality of grooves in this manner, it is possible to uniformly supply gas to the space 10 around the cover plate 25.
- the groove 26 has a width of 2 mm and a depth of 0.3 mm, and the groove 26 has a width of 2 mm and a depth of 0.3 mm. In this embodiment, the grooves 26 are arranged at four axially symmetric positions, but the number is not limited to this.
- the cover plate 27 is attached via the processing chamber 2 and the seal ring 41.
- the material of the cover plate 27 is a relative dielectric constant of 8, and is dielectric microphone port wave dielectric loss is relatively small (dielectric loss 3 X 10- 4), and high thermal conductivity (80W / mK) Silicon nitride.
- the plasma excitation gas supplied from the plasma excitation gas supply port 13 is introduced into a ring-shaped space 39 disposed inside the outer wall of the processing chamber 2.
- the ring-shaped space 39 is a space having an inner diameter of 370 mm, an outer diameter of 400 mm, and a height of 15 mm.
- the plasma excitation gas introduced into the ring-shaped space 39 is supplied to the groove 10 through a plurality of plasma excitation gas supply passages 29 installed in the cover plate 27 so as to communicate with the space 10,
- the gas is introduced into the processing chamber 2 through the gas discharge holes 5, and high-density plasma is excited.
- FIG. 6 there is shown a microwave plasma processing apparatus for a reactive ion etching (RIE) process.
- RIE reactive ion etching
- the cover plate 30 is attached to the processing chamber 2 via the seal ring 22.
- the material of the cover plate 30 has a relative dielectric constant of 8, And microwave dielectric loss is relatively small (dielectric loss 3 X 10- 4), and a dielectric silicon nitride is thermal conductivity high thermal conductivity (80W / mK).
- a plasma excitation gas supply port 31 is connected to the outer periphery of the cover plate 30 via a seal ring 32.
- a gas supply hole 33 is arranged in the cover plate 30 so as to communicate the space 10 and the plasma gas supply port 31.
- a plurality of plasma excitation gas supply ports 31 and a plurality of plasma excitation gas supply holes 33 are provided. In the present example, four locations were installed axially symmetrically (only one location is shown).
- the plasma excitation gas is filled from the plasma gas supply port 31 into the gas discharge hole via the supply hole 33.
- the filled plasma excitation gas is introduced into the processing chamber 2 through the gas discharge holes 5 to excite high-density plasma.
- FIG. 7 shows a groove structure of a cover plate 34 according to a fifth embodiment.
- the material of the cover plate 34 is a relative dielectric constant of 8, and at least a microwave dielectric loss relatively (dielectric loss 3 X 10- 4), and thermal conductivity of high thermal conductivity (80W / mK) It is silicon nitride as a dielectric.
- a point 35 indicates a position on the cover plate 34 that corresponds to the position of the gas discharge hole arranged on the shower plate that is installed facing the cover plate 34.
- the position corresponding to the outlet of the plasma excitation gas supply passage 14 provided in the shower plate is indicated by a point 36.
- the shower plate has gas discharge holes arranged concentrically, and a groove 37 is formed in the cover plate 34 on the corresponding circumference.
- a groove 37 is formed in the cover plate 34 on the corresponding circumference.
- Four grooves 38 are also formed radially at the center of the cover plate 34 where the gas is supplied, so that the plasma excitation gas is supplied to each of the concentric grooves 37.
- the groove had a width of 2 mm and a depth of 0.3 mm. It is desirable that the corner formed at the intersection of the grooves has a radius of about 2 in order to suppress electric field concentration.
- the gas filling space formed between the shower plate and the cover plate is minimized, and the shower plate and the cover plate 34
- microwaves can be efficiently introduced into the processing chamber 2.
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- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
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- Electromagnetism (AREA)
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Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/584,137 US20070163501A1 (en) | 2003-12-26 | 2004-12-24 | Plasma processing apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003435508A JP4532897B2 (ja) | 2003-12-26 | 2003-12-26 | プラズマ処理装置、プラズマ処理方法及び製品の製造方法 |
JP2003-435508 | 2003-12-26 |
Publications (1)
Publication Number | Publication Date |
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WO2005064998A1 true WO2005064998A1 (ja) | 2005-07-14 |
Family
ID=34736639
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/019318 WO2005064998A1 (ja) | 2003-12-26 | 2004-12-24 | プラズマ処理装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20070163501A1 (ja) |
JP (1) | JP4532897B2 (ja) |
KR (1) | KR20060128956A (ja) |
TW (1) | TW200527535A (ja) |
WO (1) | WO2005064998A1 (ja) |
Cited By (2)
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JP2007269585A (ja) * | 2006-03-31 | 2007-10-18 | Tohoku Univ | 多孔質部材 |
US20100133235A1 (en) * | 2007-05-11 | 2010-06-03 | Yasuhiro Morikawa | Dry etching apparatus and dry etching method |
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KR100864111B1 (ko) | 2006-05-22 | 2008-10-16 | 최대규 | 유도 결합 플라즈마 반응기 |
JP5463536B2 (ja) * | 2006-07-20 | 2014-04-09 | 北陸成型工業株式会社 | シャワープレート及びその製造方法、並びにそのシャワープレートを用いたプラズマ処理装置、プラズマ処理方法及び電子装置の製造方法 |
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US8069817B2 (en) | 2007-03-30 | 2011-12-06 | Lam Research Corporation | Showerhead electrodes and showerhead electrode assemblies having low-particle performance for semiconductor material processing apparatuses |
JP2008300687A (ja) * | 2007-05-31 | 2008-12-11 | Tokyo Electron Ltd | プラズマドーピング方法及びその装置 |
KR100963287B1 (ko) * | 2008-02-22 | 2010-06-11 | 주식회사 유진테크 | 기판처리장치 및 기판처리방법 |
JP4524354B2 (ja) | 2008-02-28 | 2010-08-18 | 国立大学法人東北大学 | マイクロ波プラズマ処理装置、それに用いる誘電体窓部材および誘電体窓部材の製造方法 |
JP2010057048A (ja) | 2008-08-29 | 2010-03-11 | Panasonic Corp | アンテナ装置 |
JP4786731B2 (ja) * | 2009-06-12 | 2011-10-05 | シャープ株式会社 | プラズマcvd装置 |
US9543123B2 (en) | 2011-03-31 | 2017-01-10 | Tokyo Electronics Limited | Plasma processing apparatus and plasma generation antenna |
JP6144902B2 (ja) | 2012-12-10 | 2017-06-07 | 東京エレクトロン株式会社 | マイクロ波放射アンテナ、マイクロ波プラズマ源およびプラズマ処理装置 |
JP6096547B2 (ja) | 2013-03-21 | 2017-03-15 | 東京エレクトロン株式会社 | プラズマ処理装置及びシャワープレート |
JP6338462B2 (ja) | 2013-09-11 | 2018-06-06 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP6356415B2 (ja) | 2013-12-16 | 2018-07-11 | 東京エレクトロン株式会社 | マイクロ波プラズマ源およびプラズマ処理装置 |
JP6404111B2 (ja) | 2014-12-18 | 2018-10-10 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP6527482B2 (ja) * | 2016-03-14 | 2019-06-05 | 東芝デバイス&ストレージ株式会社 | 半導体製造装置 |
JP6914149B2 (ja) | 2017-09-07 | 2021-08-04 | 東京エレクトロン株式会社 | プラズマ処理装置 |
JP7194937B2 (ja) | 2018-12-06 | 2022-12-23 | 東京エレクトロン株式会社 | プラズマ処理装置、及び、プラズマ処理方法 |
JP7117734B2 (ja) * | 2018-12-06 | 2022-08-15 | 東京エレクトロン株式会社 | プラズマ処理装置及びプラズマ処理方法 |
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- 2004-12-24 WO PCT/JP2004/019318 patent/WO2005064998A1/ja active Application Filing
- 2004-12-24 KR KR1020067015057A patent/KR20060128956A/ko not_active Application Discontinuation
- 2004-12-27 TW TW093140725A patent/TW200527535A/zh unknown
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Also Published As
Publication number | Publication date |
---|---|
JP4532897B2 (ja) | 2010-08-25 |
TW200527535A (en) | 2005-08-16 |
KR20060128956A (ko) | 2006-12-14 |
JP2005196994A (ja) | 2005-07-21 |
US20070163501A1 (en) | 2007-07-19 |
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