WO2006046649A1 - 基板処理装置および基板回転装置 - Google Patents
基板処理装置および基板回転装置 Download PDFInfo
- Publication number
- WO2006046649A1 WO2006046649A1 PCT/JP2005/019795 JP2005019795W WO2006046649A1 WO 2006046649 A1 WO2006046649 A1 WO 2006046649A1 JP 2005019795 W JP2005019795 W JP 2005019795W WO 2006046649 A1 WO2006046649 A1 WO 2006046649A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- driven
- rotating body
- rotator
- processing apparatus
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/70—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping
- H10P72/76—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches
- H10P72/7604—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support
- H10P72/7626—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for supporting or gripping using mechanical means, e.g. clamps or pinches the wafers being placed on a susceptor, stage or support characterised by the construction of the shaft
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/50—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof for positioning, orientation or alignment
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P72/00—Handling or holding of wafers, substrates or devices during manufacture or treatment thereof
- H10P72/04—Apparatus for manufacture or treatment
- H10P72/0431—Apparatus for thermal treatment
- H10P72/0434—Apparatus for thermal treatment mainly by convection
Definitions
- Substrate processing apparatus and substrate rotating apparatus are Substrate processing apparatus and substrate rotating apparatus
- the present invention relates to a substrate processing apparatus for performing a process such as a heat treatment on a substrate such as a semiconductor wafer, and a substrate rotating apparatus for rotating a substrate in the substrate processing apparatus.
- a substrate processing apparatus typified by a semiconductor manufacturing apparatus
- an apparatus in which a substrate such as a semiconductor wafer is heated by a heating means such as a heat radiation lamp to perform a heat treatment such as annealing.
- a heating means such as a heat radiation lamp
- Japanese Patent Application Laid-Open No. 2001-57344 discloses a single-wafer type heat treatment apparatus that performs processing while rotating a substrate. The rotation of the substrate is performed for uniform heating of the substrate.
- a driven rotator that is directly or indirectly connected to a substrate support on which a substrate is placed, and rotates in contact with the driven rotator, the driven rotator and A rotation mechanism including a drive rotator that rotates a substrate support coupled to the substrate support is employed.
- a ceramic material such as silicon carbide (SiC) is used as a material for the driven rotating body and the driving rotating body constituting such a rotating mechanism so that it can withstand high temperatures in a heat treatment apparatus that may exceed 1000 ° C. Used.
- an object of the present invention is to provide a partitioning apparatus in a substrate processing apparatus having a rotation mechanism. Is to reduce the energy.
- a processing container that defines a processing space for processing a substrate to be processed, and the substrate to be processed are supported in the processing container.
- the driven rotating body and the driving rotating body are made of ceramic materials having different fracture toughness values specified in JIS R1607 and three-point bending strength values specified in WIS R1601.
- a substrate processing apparatus is provided.
- the ceramic material constituting the drive rotating body is a material having a higher fracture toughness value defined in JIS R1607 than the ceramic material constituting the driven rotating body. be able to.
- the fracture toughness of the ceramic material constituting the drive rotor is 4.5 to 5.5 [MPa m]
- the fracture toughness of the ceramic material constituting the driven rotor is 2.0 to 3 0 [MPa m].
- the ceramic material constituting the drive rotating body has a three-point bending strength value defined in JIS R 1601 as compared with the ceramic material constituting the driven rotating body.
- the three-point bending strength of the ceramic material constituting the driving rotating body is 510 to 570 [MPa]
- the three-point bending strength of the ceramic material constituting the driven rotating body is 420-480 [MPa].
- the ceramic material constituting the driving rotating body has a fracture toughness value defined in JIS R1607 and JIS R1601 as compared to the ceramic material constituting the driven rotating body.
- a material with a high three-point bending strength can be used.
- a contact surface of the drive rotator that contacts the driven rotator is inclined with respect to a rotation axis of the drive rotator, and contacts the drive rotator.
- the contact surface of the driven rotor is inclined with respect to the rotation axis of the driven rotor!
- a processing container that partitions a processing space for processing a substrate;
- a substrate support that supports the substrate in the processing container, a driven rotating body that is directly or indirectly connected to the substrate support and is formed of a ceramic material, and the buffer via a buffer member.
- a substrate processing apparatus comprising: a driving rotator formed of a ceramic material, which is in contact with a driven rotator and rotationally drives the driven rotator.
- the buffer member also serves as an elastomer.
- An O-ring made of an elastomer can be attached to the peripheral surface of the drive rotor.
- a coating layer made of an elastomer can be provided on the peripheral surface of the drive rotor.
- the substrate processing apparatus can be a heat treatment apparatus that further includes a heating unit for heating the substrate placed on the substrate support.
- a driven rotator configured to be directly or indirectly coupled to a substrate support that supports a substrate, and a contact with the driven rotator are provided.
- a driven rotator that rotates the driven rotator by rotating while rotating the driven rotator and the driven rotator according to JIS R1607 values for fracture toughness and Z or WIS R1601.
- a substrate rotating device is provided, which is made of ceramic materials having different values of point bending strength.
- the driven rotation formed so as to be directly or indirectly coupled to the substrate support that supports the substrate and formed from the ceramic material cover.
- a substrate rotating apparatus comprising: a body, and a driving rotating body formed of a ceramic material member that rotates and drives the driven rotating body in contact with the movable member via a buffer member. Is done.
- FIG. 1 is a cross-sectional view schematically showing a configuration of a heat treatment apparatus according to an embodiment of the present invention.
- FIG. 2 is a plan view showing a lower structure of the heat treatment apparatus.
- FIG. 3 is a cross-sectional view schematically showing a main part of a heat treatment apparatus according to another embodiment of the present invention.
- FIG. 4 is a cross-sectional view schematically showing a main part of a heat treatment apparatus according to still another embodiment of the present invention.
- [0017] 1 Process chamber (processing vessel)
- Wafer support plate (substrate support)
- Support arm substrate support
- Wafer support pins (substrate support)
- FIG. 1 is a diagram schematically showing a configuration of a heat treatment apparatus, that is, a substrate processing apparatus, according to an embodiment of the present invention.
- the heat treatment apparatus 100 is configured as an RTP (Rapid Thermal Processor) suitable for performing controllable short-time annealing (RTA; Rapid Thermal Annealing).
- RTP Rapid Thermal Processor
- the heat treatment apparatus 100 is, for example, a high-temperature annealing process of about 600 to 1200 ° C. performed after doping impurities into a thin film formed on the surface of a semiconductor wafer W (hereinafter simply referred to as “wah 1 ⁇ ”). Can be used.
- reference numeral 1 denotes a cylindrical process chamber, and this process chamber 1 is composed of a separable upper chamber la and lower chamber 1 lb.
- a quartz window 2 is provided between the upper chamber la and the lower chamber 1 lb.
- a heating unit 3 is detachably provided above the chamber 11.
- the heating unit 3 includes a water cooling jacket 4 and a plurality of tungsten lamps 5 as heating means arranged on the lower surface thereof.
- a disc-shaped bottom plate 6 is detachably mounted below the process chamber 1. Yes.
- rotors 10 (10a, 10b, 10c) that is, driving rotors are arranged.
- FIG. 2 is a plan view showing the lower part of the heat treatment apparatus 100 with the upper chamber la, the quartz window 2 and the heating unit 3 removed from the heat treatment apparatus 100.
- a plurality of three rotor holders 7 (7a, 7b, 7c) are formed, each opening at a position where the circumference of the upper surface of the bottom of the lower chamber 1 lb is equally divided.
- the rotor holders 7a, 7b, and 7c are housed in ceramic drive rotors 10a, 10b, and 10c, that is, the driving rotary body force S, and the upper portions of the rotor holders 7a, 7b, and 7c are exposed.
- Each rotor holder 7a, 7b, 7c is sealed by a sealing means (not shown) so as to ensure airtightness in the process chamber.
- each rotor 10a, 10b, 10c has the shape of a frustum of a truncated cone, so
- the peripheral surface C of the ter 10a, 10b, 10c is inclined with respect to the rotation axis A. Ie each
- the rotors 10a, 10b, and 10c are formed so that the diameter becomes smaller as they approach the center of the process chamber 11. Driving mechanism force such as motor (not shown) Each rotor 10a, 10b, 10c is driven to rotate.
- a driven ring 11 that is, a driven rotating body is placed on the rotors 10a, 10b, and 10c exposed from the rotor holder 7, a driven ring 11, that is, a driven rotating body is placed.
- the ring 11 is a circular ring made of ceramics.
- the diameter of the outer periphery of the movable ring is approximately equal to the diameter of the circle that passes through the three rotors 10a, 10b, 10c.
- the bottom surface C of ring 11 is the ring 1 so that the peripheral surfaces C of Oa, 10b, and 10c are in continuous contact with each other.
- a circumferential rim 11 a protruding upward is formed on the upper portion of the driven ring 11.
- an annular wafer support plate 12 having a large-diameter opening at the center is removed. 11 is connected.
- a plurality of (three in the illustrated example) support arms 13 extending toward the center of the central opening of the wafer support plate 12 are provided on the wafer support plate 12, that is, the inner peripheral surface of the wafer support.
- Wafer support pins 14 that support the wafer W in contact with the rear surface of the wafer are provided at the tip of each support arm 13. For example, by providing lift pins (not shown) so as to be able to project and retract from the bottom plate 6, the wafer W can be raised and lowered.
- the drive rotors 10a, 10b, 10c are rotated at a predetermined rotation speed. As a result, the friction acting between the contact surfaces C and C of the rotors 10a, 10b and 10c and the driven ring 11 is reduced.
- the rotational driving force of the rotors 10a, 10b, 10c is transmitted to the ring 11, and the ring 11 also rotates.
- the ring 11 rotates around the rotation axis A that is orthogonal to the rotation axis A of the rotors 10a, 10b, and 10c.
- the wafer W is transmitted to the wafer W via the wafer support plate 12 and the support arm 13 connected to the wafer 11. For this reason, the wafer W supported horizontally in the process chamber 11 rotates around the vertical rotation axis. As a result, in-plane uniformity of the heat supply to Weno and W is ensured.
- each of the drive rotors 10a, 10b, 10c is formed in a truncated cone shape that decreases in diameter as it approaches the center of the process chamber 11, so that the driven ring 11 mounted thereon is also provided. It works to keep the rotation center (rotation axis A) at the same position. This is intended
- the wafer w can be heated as described, the distribution of impurities diffused into the thin film by means of annealing can be accurately controlled.
- the driven ring 11 and the drive rotor 10 are made of ceramic materials having different fracture toughness values specified in JIS R1607 and three-point bending strength values specified in JIS R1601. It is configured. By using a ceramic material with a fracture toughness value, a three-point bending strength value, or both, one of which is high while the other is low, the generation of particles can be greatly reduced.
- examples of the ceramic material constituting the driven ring 11 and the drive rotor 10 include silicon carbide (SiC) and silicon nitride (Si N). These ceramic
- the material originally has excellent wear resistance, but when it is used for the wafer rotation mechanism in the process chamber 11 such as the rotor 10 and the ring 11, it is rubbed against each other under a load. It is considered that fine particles are generated when both materials have the same fracture toughness and three-point bending strength. In contrast, fracture toughness can be reduced by providing a difference in the three-point bending strength.
- a material having higher fracture toughness and Z or three-point bending strength than the ceramic material constituting the driven ring 11 can be used as the ceramic material constituting the drive rotor 10.
- SiC having a fracture toughness of about 4.5 to 5.5 [MPa m] is used as the material of the rotor 10
- the fracture toughness is 2.0 to 3.0 [MPa m] as the material of the ring 11. It is preferable to use about a certain amount of SiC.
- SiC with a 3-point bending strength of 510 to 570 [MPa] as the material of the rotor 10
- SiC with a 3-point bending strength of 420 to 480 [MPa] as the material of the ring 11! /.
- the driven ring 11 was made of ceramic material A.
- SiC with fracture toughness JIS R1607; SEPB (Single-Edge Pre-Cracked Beam) specimen; the same applies below
- JIS R1607 SiC with fracture toughness
- SEPB Single-Edge Pre-Cracked Beam
- JIS R1601 force 50 [MPa]
- example For example, Kyocera Corporation, model number SC1000
- the test was performed by rotating the driving rotor 10 at a rotational speed of 20 rpm in the heat treatment apparatus 100 of FIG. 1 and then using the suction type particle counter in each of the three rotors 10a, 10b, and 10c (see FIG. 2). Counted the number of particles larger than 3 m.
- Table 1 The results are shown in Table 1.
- the number of wafers processed in Table 1 is based on the number of rotations of the rotor 10 each time one wafer is processed in a normal heat treatment. It is converted. Table 1 shows the average of three tests for the comparative example and the average of six tests for the examples.
- the inventor considers the reason why the combination of the materials A and B has a good result with respect to the combination of the materials A as follows.
- both the two parts may be formed of a ceramic material having a high elastic deformability.
- the two parts will wear in the same way, so the total wear amount of the two parts (ie, the amount of particles generated) is considered to be rather large.
- materials A and B used in the test will be specifically considered.
- materials A and B are SiC materials. Actually, however, these materials A and B contain a small amount of a binder (sintering aid) that also has metal oxide strength, and contain a binder. The amount of material B is higher than material A.
- the difference in binder toughness results in differences in fracture toughness and three-point bending strength. Due to the high binder content, the elastic deformability of material B is high, so the elastic deformability is low.
- material B is based on the principle described above. Thus, it is considered that the breakage of the convex part on the surface of the part is suppressed.
- FIG. 3 is a cross-sectional view of the drive rotor 10 related to the main part of this embodiment and components arranged in the vicinity thereof.
- the cross section of rotor 10 is not shown in the figure.
- the configuration of the heat treatment apparatus according to this embodiment that is not shown in FIG. 3 is the same as that shown in FIG. In this embodiment, the rotor facing the bottom surface C of the driven ring 11
- O-ring 21 was attached to 10 circumferential surfaces C. O-ring 21 intervenes with rotor 10
- the material of the O-ring 21 is preferably a soft elastomer material, and preferably has a heat resistance of at least about 300 ° C.
- An example of such an elastomer material is a perfluoroelastomer.
- Armor series such as Barrel Perflo MP-300B, MSP-2 (trade name Mori Seika Co., Ltd.), Kalrez (registered trademark) 4079 (DuPont Dow Elastomer), Armor Crystal (registered trademark), etc. (Nippon Valkaichi Kogyo Co., Ltd.).
- FIG. 4 is a cross-sectional view of the drive rotor 10 and its vicinity of a heat treatment apparatus according to still another embodiment of the present invention.
- the structure of the heat treatment apparatus according to this embodiment that is not shown in FIG. 4 is the same as that shown in FIG.
- the cross section of rotor 10 is not shown in the figure.
- the coating layer 22 having an elastomer force on the circumferential surface C of the rotor 10.
- Providing the coating layer 22 in this way can also prevent the rotor 10 and the driven ring 11 from being in direct sliding contact with each other, thereby preventing the generation of particles.
- the above-described perfluoroelastomer can be used as the material of the covering layer 22.
- the heat treatment apparatus 100 is not limited to RTP, and may be, for example, a thermal CVD apparatus as long as the apparatus has a rotation mechanism that rotates a substrate such as a wafer W in a chamber.
Landscapes
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/666,349 US7842229B2 (en) | 2004-10-28 | 2005-10-27 | Substrate processing apparatus and substrate rotating device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004-313919 | 2004-10-28 | ||
| JP2004313919A JP2006128368A (ja) | 2004-10-28 | 2004-10-28 | 基板処理装置、および基板回転装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2006046649A1 true WO2006046649A1 (ja) | 2006-05-04 |
Family
ID=36227891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2005/019795 Ceased WO2006046649A1 (ja) | 2004-10-28 | 2005-10-27 | 基板処理装置および基板回転装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7842229B2 (ja) |
| JP (1) | JP2006128368A (ja) |
| KR (1) | KR20070058658A (ja) |
| CN (2) | CN101515541A (ja) |
| WO (1) | WO2006046649A1 (ja) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506242A (zh) * | 2015-12-17 | 2016-04-20 | 刘超 | 一种精密钢球淬火加热模具 |
| CN113292040A (zh) * | 2021-05-31 | 2021-08-24 | 成都海威华芯科技有限公司 | 一种mems滤波器和制备方法 |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2415898B1 (en) * | 2009-03-02 | 2020-04-29 | Canon Anelva Corporation | Substrate processing device, manufacturing device of magnetic device |
| JP5488400B2 (ja) * | 2010-10-29 | 2014-05-14 | 東京エレクトロン株式会社 | 縦型熱処理装置 |
| US9452570B2 (en) * | 2012-11-07 | 2016-09-27 | Dell Products L.P. | Information handling system ceramic chassis |
| JP2014194921A (ja) * | 2013-03-01 | 2014-10-09 | Tokyo Electron Ltd | マイクロ波処理装置及びマイクロ波処理方法 |
| US11004704B2 (en) | 2017-03-17 | 2021-05-11 | Applied Materials, Inc. | Finned rotor cover |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989227A (ja) * | 1982-11-11 | 1984-05-23 | Yamaha Motor Co Ltd | 除雪機の動力伝達装置 |
| JP2001102433A (ja) * | 1999-09-30 | 2001-04-13 | Sumitomo Metal Ind Ltd | センサ付セラミックス部品およびその製造方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6291481A (ja) * | 1985-02-04 | 1987-04-25 | イビデン株式会社 | 寸法精度および摺動特性の優れた酸化物焼結体の製造方法 |
| JPS61281087A (ja) * | 1985-05-31 | 1986-12-11 | イビデン株式会社 | 摺動材料 |
| JPS6347554A (ja) * | 1986-08-12 | 1988-02-29 | Koyo Seiko Co Ltd | 動力伝達装置 |
| JPS63266211A (ja) * | 1987-04-24 | 1988-11-02 | Hitachi Ltd | セラミツク軸受 |
| EP0331424B1 (en) * | 1988-02-29 | 1996-04-17 | Toa Nenryo Kogyo Kabushiki Kaisha | Molded articles formed of silicon nitride based ceramic and process for producing same |
| JPH09119550A (ja) * | 1995-10-26 | 1997-05-06 | Keihin Seiki Mfg Co Ltd | パルス駆動型電磁弁 |
| JPH1197367A (ja) * | 1997-09-17 | 1999-04-09 | Dainippon Screen Mfg Co Ltd | 基板熱処理装置およびそれを用いた基板熱処理方法 |
| US6121581A (en) * | 1999-07-09 | 2000-09-19 | Applied Materials, Inc. | Semiconductor processing system |
| JP4744704B2 (ja) * | 2000-03-16 | 2011-08-10 | 株式会社東芝 | 耐摩耗性部材の製造方法 |
| JP2002235746A (ja) * | 2001-02-13 | 2002-08-23 | Ngk Spark Plug Co Ltd | セラミック動圧軸受、軸受付きモータ、ハードディスク装置及びポリゴンスキャナ |
| US20040170347A1 (en) * | 2001-09-28 | 2004-09-02 | Norifumi Ikeda | Rolling unit |
| JP2004119520A (ja) * | 2002-09-24 | 2004-04-15 | Tokyo Electron Ltd | 基板処理装置 |
-
2004
- 2004-10-28 JP JP2004313919A patent/JP2006128368A/ja active Pending
-
2005
- 2005-10-27 US US11/666,349 patent/US7842229B2/en not_active Expired - Fee Related
- 2005-10-27 KR KR1020077009523A patent/KR20070058658A/ko not_active Ceased
- 2005-10-27 CN CNA2009101263840A patent/CN101515541A/zh active Pending
- 2005-10-27 CN CNB2005800288018A patent/CN100527379C/zh not_active Expired - Fee Related
- 2005-10-27 WO PCT/JP2005/019795 patent/WO2006046649A1/ja not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5989227A (ja) * | 1982-11-11 | 1984-05-23 | Yamaha Motor Co Ltd | 除雪機の動力伝達装置 |
| JP2001102433A (ja) * | 1999-09-30 | 2001-04-13 | Sumitomo Metal Ind Ltd | センサ付セラミックス部品およびその製造方法 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105506242A (zh) * | 2015-12-17 | 2016-04-20 | 刘超 | 一种精密钢球淬火加热模具 |
| CN105506242B (zh) * | 2015-12-17 | 2017-08-01 | 李舒华 | 一种精密钢球淬火加热模具 |
| CN113292040A (zh) * | 2021-05-31 | 2021-08-24 | 成都海威华芯科技有限公司 | 一种mems滤波器和制备方法 |
| CN113292040B (zh) * | 2021-05-31 | 2023-05-19 | 成都海威华芯科技有限公司 | 一种mems滤波器和制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006128368A (ja) | 2006-05-18 |
| KR20070058658A (ko) | 2007-06-08 |
| CN100527379C (zh) | 2009-08-12 |
| CN101010792A (zh) | 2007-08-01 |
| US20080042328A1 (en) | 2008-02-21 |
| CN101515541A (zh) | 2009-08-26 |
| US7842229B2 (en) | 2010-11-30 |
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