WO2011007754A1 - 気相成長装置 - Google Patents
気相成長装置 Download PDFInfo
- Publication number
- WO2011007754A1 WO2011007754A1 PCT/JP2010/061767 JP2010061767W WO2011007754A1 WO 2011007754 A1 WO2011007754 A1 WO 2011007754A1 JP 2010061767 W JP2010061767 W JP 2010061767W WO 2011007754 A1 WO2011007754 A1 WO 2011007754A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- nozzle
- gas
- source gas
- flow channel
- purge gas
- 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
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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
- H10P72/06—Apparatus for monitoring, sorting, marking, testing or measuring
- H10P72/0604—Process monitoring, e.g. flow or thickness monitoring
-
- 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
- C23C16/455—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
- C23C16/45502—Flow conditions in reaction chamber
- C23C16/45508—Radial flow
Definitions
- the present invention relates to a vapor phase growth apparatus, and more particularly, to a self-revolution type vapor phase growth apparatus in which a thin film, particularly a nitride-based compound semiconductor thin film, is vapor grown on a substrate surface while the substrate is rotated and revolved.
- a vapor phase growth apparatus for vapor phase growth on a large number of substrates at a time, a plurality of rotation susceptors are arranged in the circumferential direction of the outer periphery of the revolution susceptor, and a bearing and an external gear are provided on the outer periphery of the rotation susceptor.
- a self-revolving vapor phase growth apparatus that revolves a substrate during film formation by meshing a fixed internal gear provided on the inner surface with the external gear is known (for example, see Patent Document 1).
- a silicon epitaxial apparatus is known in which the source gas introduction direction and the susceptor rotation introduction direction are the same direction (see, for example, Patent Document 2).
- JP 2007-266121 A Japanese Utility Model Publication No. 49-140
- an object of the present invention is to provide a self-revolving vapor phase growth apparatus that can keep the flow rate of the purge gas and the raw material gas constant when the raw material gas introduction direction and the susceptor rotation introduction direction are the same direction. Yes.
- the vapor phase growth apparatus of the present invention includes a disk-shaped susceptor that is rotatably supported by a hollow drive shaft, and is rotatable in the circumferential direction of the outer periphery of the susceptor.
- a gas phase growth apparatus in which a source gas supply pipe is coaxially disposed inside the hollow drive shaft, and purges in the direction of the flow channel between an inner peripheral surface of the hollow drive shaft and the source gas supply pipe.
- a purge gas introduction nozzle for introducing the purge gas from the purge gas passage to the outer periphery of the flow channel is formed in a direction parallel to the upper surface of the susceptor and with a constant vertical dimension. ing.
- the nozzle is bent from the upper end of the source gas supply pipe toward the outer periphery of the flow channel and protrudes in a disc shape, and the gas flow path at the tip of the source gas nozzle
- the vertical dimension is smaller than the vertical dimension of the gas flow path on the base side of the raw material gas nozzle, and the length of the nozzle tip having a small vertical dimension is 1.5 times the vertical dimension of the gas flow path on the nozzle base side. It has a length more than double.
- the purge gas introduction nozzle is protruded in a disk shape into the flow channel in a direction parallel to the upper surface of the susceptor, so that the axis is shifted between the hollow drive shaft and the source gas supply pipe. Even if the flow rate of the purge gas flowing through the purge gas flow path becomes nonuniform in the circumferential direction, the purge gas introduction nozzle can correct the flow rate to be uniform in the circumferential direction of the susceptor and introduce it into the flow channel. Further, by reducing the vertical dimension of the tip portion of the source gas introduction nozzle, the flow rate of the source gas introduced into the flow channel from the source gas supply pipe via the source gas introduction nozzle can be made uniform.
- the vapor phase growth apparatus shown in the present embodiment includes a disc-shaped susceptor 13 that is rotatably provided in the chamber 11 with a circular opening 13a formed at the center thereof supported by the upper end of the hollow drive shaft 12.
- a plurality of external gear members (spinning susceptors) 14 rotatably provided in the circumferential direction of the outer peripheral portion of the susceptor 13; and a ring-shaped fixed internal gear member 15 having an internal gear meshing with the external gear member 14;
- a nozzle 19 for introducing a raw material gas or a purge gas in the outer peripheral direction and a raw material gas supply pipe 20 for supplying the raw material gas to the nozzle 19 are arranged.
- the chamber 11 is formed of a lower fixed side member 11a and an upper vertical side member 11b provided so as to be movable up and down with respect to the lower fixed side member 11a, and the flow channel 18 is also formed so that the top plate 18a can move upward.
- the fixed internal gear member 15 is formed to be movable downward.
- the source gas supply pipe 20 is coaxially arranged inside the hollow drive shaft 12, and a purge gas flow path 21 is provided between the inner peripheral surface of the hollow drive shaft 12 and the outer peripheral surface of the source gas supply pipe 20. Is formed.
- the raw material gas supply pipe 20 shown in this embodiment has a multi-tube structure, and the first raw material gas is supplied to the central flow path 20a, and the second raw material gas is supplied to the intermediate flow path 20b, respectively.
- the temperature adjusting fluid is circulated through the flow path 20c.
- the nozzle 19 has upper and lower three-stage gas introduction passages 19a, 19b, and 19c that are bent from the upper end of the source gas supply pipe 20 toward the outer periphery of the flow channel 18 and project in a disk shape.
- the upper gas introduction path 19a serves as a first source gas introduction nozzle for introducing the first source gas supplied from the central flow path 20a of the source gas supply pipe 20 into the flow channel 18, and the middle stage gas.
- the introduction path 19b serves as a second source gas introduction nozzle for introducing the second source gas supplied from the intermediate flow path 20b of the source gas supply pipe 20 into the flow channel 18, and the lower stage gas introduction path 19c.
- Is a purge gas introduction nozzle for introducing the purge gas from the purge gas passage 21 into the flow channel 18.
- the top plate 18a is offset upward, and the vertical dimension A of the center of the flow channel 18 is the same as that of the flow channel 18 where the substrate 16 is arranged. It is larger than the vertical dimension B of the main body portion (portion other than the central portion).
- the upper gas introduction path 19a in the nozzle 19 is formed such that the vertical dimension D on the tip side is smaller than the vertical dimension C on the base side of the gas introduction path 19a, and the vertical dimension D on the nozzle tip side is further smaller.
- the length dimension E of the small portion is formed to be 1.5 times or more the vertical dimension C on the base side of the gas introduction path 19a.
- the flow of the first source gas that flows radially from the center of the nozzle and that is supplied from the nozzle tip toward the substrate can be made smooth, and uniform on each substrate surface.
- the raw material gas can be supplied.
- the length dimension E can be arbitrarily set in accordance with the distance from the nozzle tip to the substrate 16, but from the main body portion of the substrate 16 or the flow channel 18 that is in a high temperature state by the heating means 17. If the nozzle tip is heated to a high temperature by the radiant heat of the nozzle, the source gas may be decomposed. If the nozzle tip is too close to the substrate 16, the gases flowing out from the tip of the nozzle 19 are not sufficiently mixed with each other. 16 may reach the top surface portion of the film 16 and cause inconvenience in forming a thin film. Therefore, the vertical dimension B of the flow channel 18, the diameter of the susceptor 13, the diameter of the circular opening 13 a, the diameter of the substrate 16, and the number of processed sheets Depending on the above, the vertical dimension C may be set to 1.5 times or more.
- the lower gas introduction path 19c in the nozzle 19 is formed in a direction parallel to the upper surface of the susceptor 13 and the vertical dimension of the gas introduction path 19c is constant, and the tip is the above-mentioned each It is set at the same position as the nozzle tips of the gas introduction paths 19a, 19b. Therefore, the first source gas, the second source gas, and the purge gas are introduced into the flow channel 18 as a three-layer flow from the tip of the nozzle 19, and each gas is appropriately mixed in the vicinity of the substrate 16. Then, it reaches the upper surface portion of the substrate 16 and a predetermined reaction proceeds to form a predetermined thin film on the substrate surface.
- the gas introduction path 19c of the nozzle 19 in the direction parallel to the upper surface of the susceptor 13 and the vertical dimension of the gas introduction path 19c as described above,
- the flow rate and flow velocity of the purge gas in the circumferential direction can be averaged by the flow path resistance of the gas introduction path 19c, and the purge gas can flow uniformly in the substrate direction.
- mixing with source gas can be made uniform, the growth rate of the thin film formed on a substrate surface can be averaged, and uniform thin film formation can be performed.
- the flow rate of the purge gas and the raw material gas can be kept constant, and these gases can be uniformly mixed in a predetermined state and supplied to the substrate portion, so that a highly reactive raw material gas, for example, A nitride-based compound semiconductor thin film using an organic metal and ammonia as a source gas can be manufactured efficiently and stably, and the waste of the source gas is eliminated, contributing to a reduction in manufacturing cost.
- the middle gas introduction path 19b and the lower gas introduction path 19c may have the same structure as the upper source gas introduction path 19a.
- the kind of source gas may be one, and may be 3 or more types.
Landscapes
- Chemical & Material Sciences (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Vapour Deposition (AREA)
Abstract
Description
Claims (2)
- チャンバー内に、中空駆動軸に支持されて回転可能に設けられた円盤状のサセプタと、該サセプタの外周部周方向にそれぞれ回転可能に設けられた複数の外歯車部材と、該外歯車部材に噛合する内歯車を備えたリング状の固定内歯車部材と、前記外歯車部材にそれぞれ保持された基板を加熱する加熱手段と、前記基板の表面に平行な方向に原料ガスを導くフローチャンネルと、該フローチャンネルの中心部から外周方向にガスを導入するノズルと、該ノズルに原料ガスを供給する原料ガス供給管とを備え、該原料ガス供給管を前記中空駆動軸の内部に同軸に配置した気相成長装置であって、前記中空駆動軸の内周面と前記原料ガス供給管との間に、前記フローチャンネルの方向にパージガスを流すパージガス流路を形成し、該パージガス流路からフローチャンネルの外周方向にパージガスを導入するパージガス導入ノズルを前記サセプタの上面に対して平行な方向で、かつ、上下寸法を一定に形成した気相成長装置。
- 前記ノズルは、前記原料ガス供給管の上端からフローチャンネルの外周方向に屈曲して円盤状に突設され、該原料ガスノズルの先端部のガス流路の上下寸法が、原料ガスノズルの基部側のガス流路の上下寸法よりも小さく形成され、上下寸法が小さくなったノズル先端部の長さが、ノズル基部側のガス流路の上下寸法の1.5倍以上の長さを有している請求項1記載の気相成長装置。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/383,876 US20120160170A1 (en) | 2009-07-15 | 2010-07-12 | Vapor phase growth apparatus |
| CN201080031735.0A CN102473611B (zh) | 2009-07-15 | 2010-07-12 | 气相生长装置 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2009-166831 | 2009-07-15 | ||
| JP2009166831A JP5324347B2 (ja) | 2009-07-15 | 2009-07-15 | 気相成長装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2011007754A1 true WO2011007754A1 (ja) | 2011-01-20 |
Family
ID=43449362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2010/061767 Ceased WO2011007754A1 (ja) | 2009-07-15 | 2010-07-12 | 気相成長装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20120160170A1 (ja) |
| JP (1) | JP5324347B2 (ja) |
| KR (1) | KR20120038450A (ja) |
| CN (1) | CN102473611B (ja) |
| TW (1) | TWI498445B (ja) |
| WO (1) | WO2011007754A1 (ja) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013225571A (ja) * | 2012-04-20 | 2013-10-31 | Taiyo Nippon Sanso Corp | 気相成長装置 |
| JP5904861B2 (ja) * | 2012-04-26 | 2016-04-20 | 大陽日酸株式会社 | 気相成長装置 |
| JP6013122B2 (ja) * | 2012-10-04 | 2016-10-25 | 大陽日酸株式会社 | 気相成長装置 |
| JP6013121B2 (ja) * | 2012-10-04 | 2016-10-25 | 大陽日酸株式会社 | 気相成長装置 |
| JP6059940B2 (ja) * | 2012-10-04 | 2017-01-11 | 大陽日酸株式会社 | 気相成長装置 |
| TWI654333B (zh) * | 2013-12-18 | 2019-03-21 | 美商蘭姆研究公司 | 具有均勻性折流板之半導體基板處理設備 |
| US9748113B2 (en) | 2015-07-30 | 2017-08-29 | Veeco Intruments Inc. | Method and apparatus for controlled dopant incorporation and activation in a chemical vapor deposition system |
| TWI624561B (zh) * | 2016-08-12 | 2018-05-21 | 漢民科技股份有限公司 | 用於半導體製程之氣體噴射器及成膜裝置 |
| TWM597506U (zh) | 2018-04-13 | 2020-06-21 | 美商維高儀器股份有限公司 | 具有多區域噴射器塊的化學氣相沉積設備 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07142406A (ja) * | 1993-11-22 | 1995-06-02 | Hitachi Ltd | 半導体の気相成長方法及び装置 |
| JP2008028270A (ja) * | 2006-07-24 | 2008-02-07 | Toshiba Corp | 結晶成長方法及び結晶成長装置 |
| JP2009032784A (ja) * | 2007-07-25 | 2009-02-12 | Sharp Corp | 気相成長装置、及び半導体素子の製造方法 |
| JP2009032785A (ja) * | 2007-07-25 | 2009-02-12 | Sharp Corp | 気相成長装置、及び半導体素子の製造方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5244601Y2 (ja) * | 1972-04-07 | 1977-10-11 | ||
| US3783822A (en) * | 1972-05-10 | 1974-01-08 | J Wollam | Apparatus for use in deposition of films from a vapor phase |
| US6090211A (en) * | 1996-03-27 | 2000-07-18 | Matsushita Electric Industrial Co., Ltd. | Apparatus and method for forming semiconductor thin layer |
| JP4504368B2 (ja) * | 2004-05-20 | 2010-07-14 | シーケーディ株式会社 | ガス供給集積ユニット及びガスユニットの増設方法 |
| DE102005056320A1 (de) * | 2005-11-25 | 2007-06-06 | Aixtron Ag | CVD-Reaktor mit einem Gaseinlassorgan |
| JP4706531B2 (ja) * | 2006-03-27 | 2011-06-22 | 日立電線株式会社 | 気相成長装置 |
-
2009
- 2009-07-15 JP JP2009166831A patent/JP5324347B2/ja active Active
-
2010
- 2010-07-12 WO PCT/JP2010/061767 patent/WO2011007754A1/ja not_active Ceased
- 2010-07-12 CN CN201080031735.0A patent/CN102473611B/zh active Active
- 2010-07-12 KR KR1020127001601A patent/KR20120038450A/ko not_active Ceased
- 2010-07-12 US US13/383,876 patent/US20120160170A1/en not_active Abandoned
- 2010-07-15 TW TW099123259A patent/TWI498445B/zh active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07142406A (ja) * | 1993-11-22 | 1995-06-02 | Hitachi Ltd | 半導体の気相成長方法及び装置 |
| JP2008028270A (ja) * | 2006-07-24 | 2008-02-07 | Toshiba Corp | 結晶成長方法及び結晶成長装置 |
| JP2009032784A (ja) * | 2007-07-25 | 2009-02-12 | Sharp Corp | 気相成長装置、及び半導体素子の製造方法 |
| JP2009032785A (ja) * | 2007-07-25 | 2009-02-12 | Sharp Corp | 気相成長装置、及び半導体素子の製造方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20120160170A1 (en) | 2012-06-28 |
| CN102473611B (zh) | 2015-04-29 |
| TW201111542A (en) | 2011-04-01 |
| JP2011023519A (ja) | 2011-02-03 |
| TWI498445B (zh) | 2015-09-01 |
| JP5324347B2 (ja) | 2013-10-23 |
| KR20120038450A (ko) | 2012-04-23 |
| CN102473611A (zh) | 2012-05-23 |
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