JP6279396B2 - 気相成長方法及び気相成長装置 - Google Patents
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- 238000001947 vapour-phase growth Methods 0.000 title claims description 23
- 238000000034 method Methods 0.000 title claims description 22
- 239000000758 substrate Substances 0.000 claims description 98
- 230000005855 radiation Effects 0.000 claims description 78
- 239000010408 film Substances 0.000 claims description 56
- 238000005259 measurement Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 31
- 239000010409 thin film Substances 0.000 claims description 18
- 238000006243 chemical reaction Methods 0.000 claims description 13
- 239000007789 gas Substances 0.000 description 76
- 230000008859 change Effects 0.000 description 13
- 229910002601 GaN Inorganic materials 0.000 description 10
- 230000015572 biosynthetic process Effects 0.000 description 7
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 239000010453 quartz Substances 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- RNQKDQAVIXDKAG-UHFFFAOYSA-N aluminum gallium Chemical compound [Al].[Ga] RNQKDQAVIXDKAG-UHFFFAOYSA-N 0.000 description 3
- PMHQVHHXPFUNSP-UHFFFAOYSA-M copper(1+);methylsulfanylmethane;bromide Chemical compound Br[Cu].CSC PMHQVHHXPFUNSP-UHFFFAOYSA-M 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 229910052710 silicon Inorganic materials 0.000 description 3
- 239000010703 silicon Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000009529 body temperature measurement Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005979 thermal decomposition reaction Methods 0.000 description 1
- JLTRXTDYQLMHGR-UHFFFAOYSA-N trimethylaluminium Chemical compound C[Al](C)C JLTRXTDYQLMHGR-UHFFFAOYSA-N 0.000 description 1
- XCZXGTMEAKBVPV-UHFFFAOYSA-N trimethylgallium Chemical compound C[Ga](C)C XCZXGTMEAKBVPV-UHFFFAOYSA-N 0.000 description 1
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- 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
- C23C16/52—Controlling or regulating the coating process
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- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B25/00—Single-crystal growth by chemical reaction of reactive gases, e.g. chemical vapour-deposition growth
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- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/40—AIIIBV compounds wherein A is B, Al, Ga, In or Tl and B is N, P, As, Sb or Bi
- C30B29/403—AIII-nitrides
- C30B29/406—Gallium nitride
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Description
また、出力一定制御から温度フィードバック制御に切り替えて基板101の温度設定値を変更するとき、例えば、図2の時刻t10〜t11において基板101の温度を1000℃から1100℃に変更するとき、制御部10は、放射温度計140の検出温度が1100℃となるようにヒータ120の出力を制御するのではなく、放射温度計140の検出温度が、時刻t9における放射温度計の表示温度TA1に、設定温度の差分の100℃(=1100℃−1000℃)を加算した値となるように、ヒータ120の出力を制御する。時刻t9における放射温度計の表示温度TA1を1000℃とみなし、放射温度計140の検出温度が時刻t9における放射温度計の表示温度TA1+100℃となるようにヒータ120の出力を制御することで、成膜により放射温度計140の測定値の絶対値に誤差が生じている場合であっても、基板101を目標値の1100℃に設定することができる。
100 気相成長装置
101 基板
102 サセプタ
103 チャンバ
104 回転部
108 シャフト
109 配線
120 ヒータ
124 シャワープレート
125 ガス排気部
128 排気機構
129 ガス噴出孔
131 ガス管
133 ガス供給部
135 ガスバルブ
140 放射温度計
Claims (4)
- 加熱手段により基板を加熱しながら前記基板に原料ガスを供給して、前記基板上に膜を成長させる気相成長方法であって、
前記基板の温度を放射温度計で測定し、
前記基板上に膜を成長させていない場合に、前記放射温度計の測定値が所定値となるように前記加熱手段の出力を制御する温度フィードバック制御を行い、
前記温度フィードバック制御を行っている際の所定期間における前記加熱手段の出力平均値を算出し、
前記基板上に、前記放射温度計の測定波長で薄膜干渉が生じる膜を成長させているときは、前記加熱手段の出力を一定に維持する出力一定制御を行い、
前記出力一定制御を行う際は、前記加熱手段の出力を前記出力平均値に維持することを特徴とする気相成長方法。 - 前記基板上への第1膜の成長前に、前記放射温度計の測定値が第1所定値となるように前記温度フィードバック制御を行い、
前記出力一定制御を行いながら、前記基板上に前記第1膜を成長させ、
前記第1膜の成長後の温度を記録し、
前記測定値の記録後、前記基板上への第2膜の成長前に、前記放射温度計の測定値が、前記測定値の記録値に、前記第1所定値と第2所定値との差分を加算した値となるように第2の温度フィードバック制御を行い、
前記第2の温度フィードバック制御を行っている際の所定期間における前記加熱手段の第2の出力平均値を算出し、前記第2の出力一定制御を行いながら、前記基板上に前記第2膜を成長させることを特徴とする請求項1に記載の気相成長方法。 - 気相成長反応を行う反応室内の圧力変化時、前記反応室内に供給されるガスの切り替え時、前記反応室内に供給されるガスの流量変化時、又は前記基板の回転速度変化時に、前記温度フィードバック制御を行うことを特徴とする請求項1又は2に記載の気相成長方法。
- 基板が導入され、気相成長反応を行う反応室と、
前記反応室にガスを供給するガス供給部と、
前記基板を加熱する加熱手段と、
前記基板の温度を測定する放射温度計と、
前記加熱手段の出力を制御する制御部と、
を備え、
前記制御部は、前記放射温度計の測定値が所定値となるように前記加熱手段の出力を制御する温度フィードバック制御を行うとともに、前記基板上に前記放射温度計の測定波長で薄膜干渉が生じる膜を成長させているときは、前記加熱手段の出力を一定に維持する出力一定制御を行い、
前記制御部は、前記温度フィードバック制御を行っている際の所定期間における前記加熱手段の出力平均値を算出し、
前記制御部は、前記出力一定制御を行う際は、前記加熱手段の出力を前記出力平均値に維持することを特徴とする気相成長装置。
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JP2014098901A JP6279396B2 (ja) | 2014-05-12 | 2014-05-12 | 気相成長方法及び気相成長装置 |
KR1020150063863A KR101718209B1 (ko) | 2014-05-12 | 2015-05-07 | 기상 성장 방법 및 기상 성장 장치 |
TW104114520A TWI598476B (zh) | 2014-05-12 | 2015-05-07 | Vapor phase growth method and vapor phase growth device |
US14/707,461 US9916996B2 (en) | 2014-05-12 | 2015-05-08 | Vapor phase growth method of growing a film on a substrate while heating the substrate with a heating unit |
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JP6430337B2 (ja) * | 2015-07-06 | 2018-11-28 | 株式会社ニューフレアテクノロジー | 気相成長方法および気相成長装置 |
US20170178758A1 (en) * | 2015-12-18 | 2017-06-22 | Applied Materials, Inc. | Uniform wafer temperature achievement in unsymmetric chamber environment |
JP6539578B2 (ja) * | 2015-12-22 | 2019-07-03 | 株式会社Screenホールディングス | 熱処理装置および熱処理方法 |
JP7037372B2 (ja) * | 2017-03-28 | 2022-03-16 | 株式会社ニューフレアテクノロジー | 成膜装置および成膜方法 |
US20180286719A1 (en) * | 2017-03-28 | 2018-10-04 | Nuflare Technology, Inc. | Film forming apparatus and film forming method |
JP7144283B2 (ja) * | 2018-11-09 | 2022-09-29 | 株式会社ニューフレアテクノロジー | 気相成長装置 |
US20220115216A1 (en) * | 2020-04-21 | 2022-04-14 | Hitachi High-Tech Corporation | Plasma processing apparatus and plasma processing method |
US20230070804A1 (en) * | 2021-09-02 | 2023-03-09 | Wonik Ips Co., Ltd. | Substrate processing apparatus |
US20230375460A1 (en) * | 2022-05-23 | 2023-11-23 | Applied Materials, Inc. | Epi self-heating sensor tube as in-situ growth rate sensor |
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JP2007100175A (ja) | 2005-10-05 | 2007-04-19 | Toshiba Corp | 気相成長装置、気相成長装置の温度制御方法および半導体装置の製造方法 |
KR101005518B1 (ko) * | 2006-03-07 | 2011-01-04 | 가부시키가이샤 히다치 고쿠사이 덴키 | 기판 처리 장치 및 기판 처리 방법 및 막 형성 방법 |
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JP5719710B2 (ja) | 2011-07-11 | 2015-05-20 | 株式会社ニューフレアテクノロジー | 気相成長装置および気相成長方法 |
JP5750339B2 (ja) * | 2011-08-31 | 2015-07-22 | 株式会社ニューフレアテクノロジー | 気相成長方法及び気相成長装置 |
KR101432158B1 (ko) * | 2012-05-24 | 2014-08-20 | 에이피시스템 주식회사 | 기판 처리 장치 및 그 동작 방법 |
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