JP5820661B2 - マイクロ波照射装置 - Google Patents
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/66—Circuits
- H05B6/68—Circuits for monitoring or control
-
- 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
- H01L21/324—Thermal treatment for modifying the properties of semiconductor bodies, e.g. annealing, sintering
-
- 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
- H01L21/22—Diffusion of impurity materials, e.g. doping materials, electrode materials, into or out of a semiconductor body, or between semiconductor regions; Interactions between two or more impurities; Redistribution of impurities
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/64—Heating using microwaves
- H05B6/80—Apparatus for specific applications
- H05B6/806—Apparatus for specific applications for laboratory use
-
- 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
- H01L21/67115—Apparatus for thermal treatment mainly by radiation
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B2206/00—Aspects relating to heating by electric, magnetic, or electromagnetic fields covered by group H05B6/00
- H05B2206/04—Heating using microwaves
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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Description
マグネトロンから出力されるマイクロ波が例えばチャンバ壁で反射する場合において、波長をλとし、周波数シフトにより変化した波長をλ+Δとし、定在波の所定の基準位置(例えば被処理基板の端部)から反射波が戻ってくるまでの走路距離に含まれる波の数をnとすると、定在波の位置は上記基準位置からn×Δだけずれるので、腹・節の位相はn×Δ/λだけずれる。すなわち、図7(a)に示すように、波長λで往復n波長分(この例ではn=10)の走路がある場合、周波数シフトにより波長がλ+Δに変化すると、図7(b)に示すように、反射端近傍での腹・節の位置はさほど変わらなくても(変化量Δ)、反射端の反対側(=入射端に近い位置、あるいは被処理基板の位置)では、波の数(n)倍だけ定在波の位置がずれる。この例に示すように、往復10波長分の走路がある場合、マイクロ波の周波数が5.8GHzでは、定在波の波長である52mmに対してチャンバ壁部から約260mmの位置が入力端となる。この場合には1%の周波数シフト(Δ=0.52mm)で波長の10%すなわち5.2mm定在波の位置を動かすことができ、定在波の影響を抑えることができる。
まず、インターフェース部43の設定部において、各種設定を行う。そして、チャンバ1内に搬入出口6から被処理体である半導体ウエハWを搬入し、チャンバ1内を排気ポート5から排気しつつガス供給部4からガス導入ポート3を介してチャンバ1内に所定の雰囲気ガスを導入し、チャンバ1内を常圧近傍の圧力を有する所定雰囲気とする。
列に接続し、これに昇圧トランス24と同様の構造の昇圧トランス24′を接続し、さらに電圧供給・波形制御回路25と同様の構造を有する電圧供給・波形制御回路25′を接続して、他の2つのマグネトロン(Mag3、Mag4)に電圧を供給する。なお、波形制御回路25′のコイルL3,L4は波形制御回路25のコイルL1,L2と等価なものであり、コンデンサC3,C4は波形制御回路25のコンデンサC1,C2と等価なものである。
2;載置ピン
3;ガス導入ポート
4;ガス供給部
5;排気ポート
8a,8b;マイクロ波導入ポート
9a,9b;導波路
10a,10b;マグネトロン
11a,11b;サーキュレータ
12;ダミーロード
20,20′;電源部
21;AC/DC変換回路
22,22′;スイッチング回路
23;スイッチングコントローラ
24,24′;昇圧トランス
25,25′;電圧供給・波形制御回路
40;全体制御部
41;上位コントローラ
100:マイクロ波照射装置
Q1〜Q4;スイッチングトランジスタ
W;半導体ウエハ
Claims (7)
- 被処理体を収容するチャンバと、
電圧が供給されることによりマイクロ波を発生させ、そのマイクロ波を前記チャンバ内の被処理体に照射するための複数のマグネトロンと、
前記複数のマグネトロンにパルス状電圧を供給する電源部と
を具備し、
前記電源部は、前記複数のマグネトロンにそれぞれ供給されるパルス状電圧の電圧パルス同士が時間的に重ならないように電圧を供給するとともに、
交流電流を直流に変換する交流/直流変換部と、
それぞれ、複数のスイッチングトランジスタを有し、前記変換された直流電圧が入力され、前記各スイッチングトランジスタにオン・オフサイクルを生じさせ、これら各スイッチングトランジスタの組み合わせにより所定のパルス状電圧を出力する第1および第2のスイッチング回路と、
前記第1および第2のスイッチング回路を制御するスイッチング制御部と、
前記第1のスイッチング回路から所定波形のパルス状電圧を第1および第2のマグネトロンへ交互に導く第1の電圧供給回路と、
前記第2のスイッチング回路から所定のパルス状電圧を第3および第4のマグネトロンへ交互に導く第2の電圧供給回路と
を有し、
最初に、前記第1のスイッチング回路の一部のスイッチングトランジスタにより前記第1の電圧供給回路から前記第1のマグネトロンに電圧が供給され、次に、前記第2のスイッチング回路の一部のスイッチングトランジスタにより前記第2の電圧供給回路から前記第3のマグネトロンに電圧が供給され、次に前記第1のスイッチング回路の他の一部のスイッチングトランジスタにより前記第1の電圧供給回路から前記第2のマグネトロンに電圧が供給され、次に、前記第2のスイッチング回路の他の一部のスイッチングトランジスタにより前記第2の電圧供給回路から前記第4のマグネトロンに電圧が供給されるように電圧供給が制御されることを特徴とするマイクロ波照射装置。 - 前記電源部は、前記複数のマグネトロンに順次電圧パルスが供給されるように前記パルス状電圧を供給することを特徴とする請求項1に記載のマイクロ波照射装置。
- 前記電源部は、前記電圧パルスの電圧値が時間的に連続的に変化するように電圧波形制御することを特徴とする請求項1または請求項2に記載のマイクロ波照射装置。
- 前記電源部は、前記電圧パルスが全波整流波形を形成するように電圧波形制御することを特徴とする請求項3に記載のマイクロ波照射装置。
- 前記電源部は、前記電圧パルスが擬似サインカーブとなるように電圧波形制御することを特徴とする請求項3に記載のマイクロ波照射装置。
- 前記電源部は、前記電圧パルスが三角波、台形波、のこぎり波のいずれかになるように電圧波形制御することを特徴とする請求項3に記載のマイクロ波照射装置。
- 前記電源部は、前記電圧パルスが、前記複数のマグネトロンの発振電圧よりも低い電圧部分で急激に上昇および下降し、発振電圧以上の部分で所望の波形となるように電圧波形制御することを特徴とする請求項3に記載のマイクロ波照射装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
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JP2011178378A JP5820661B2 (ja) | 2010-09-14 | 2011-08-17 | マイクロ波照射装置 |
TW100132864A TWI552650B (zh) | 2010-09-14 | 2011-09-13 | Microwave irradiation device and microwave irradiation method |
US13/231,546 US8907259B2 (en) | 2010-09-14 | 2011-09-13 | Microwave irradiation device and microwave irradiation method |
KR1020110092347A KR101354355B1 (ko) | 2010-09-14 | 2011-09-14 | 마이크로파 조사 장치 및 마이크로파 조사 방법 |
CN201110271883.6A CN102404891B (zh) | 2010-09-14 | 2011-09-14 | 微波照射装置以及微波照射方法 |
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JP2011178378A JP5820661B2 (ja) | 2010-09-14 | 2011-08-17 | マイクロ波照射装置 |
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JP5820661B2 true JP5820661B2 (ja) | 2015-11-24 |
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US (1) | US8907259B2 (ja) |
JP (1) | JP5820661B2 (ja) |
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CN (1) | CN102404891B (ja) |
TW (1) | TWI552650B (ja) |
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US20120061384A1 (en) | 2012-03-15 |
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