JPH05198390A - High frequency plasma device - Google Patents

High frequency plasma device

Info

Publication number
JPH05198390A
JPH05198390A JP4008952A JP895292A JPH05198390A JP H05198390 A JPH05198390 A JP H05198390A JP 4008952 A JP4008952 A JP 4008952A JP 895292 A JP895292 A JP 895292A JP H05198390 A JPH05198390 A JP H05198390A
Authority
JP
Japan
Prior art keywords
high frequency
blade
rotating
blades
electrode
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.)
Withdrawn
Application number
JP4008952A
Other languages
Japanese (ja)
Inventor
Youzou Kindaichi
要三 金田一
Tsutomu Kato
努 加藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jeol Ltd
Original Assignee
Jeol Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jeol Ltd filed Critical Jeol Ltd
Priority to JP4008952A priority Critical patent/JPH05198390A/en
Publication of JPH05198390A publication Critical patent/JPH05198390A/en
Withdrawn legal-status Critical Current

Links

Abstract

PURPOSE:To realize a high frequency plasma device capable of supplying high frequency to a rotating electrode with a simple structure. CONSTITUTION:A plurality of cylindrical rotating blades 14 are mounted on the lower part of a rotating shaft 6. Between the rotating blades 14, a plurality of cylindrical fixed blades 15 are provided, and the fixed blades 15 are arranged concentrically to the center of each rotating blade 14. The fixed blades 15 are movable in the direction shown by the arrow in the drawing by a driving mechanism 16. The fixed blades 15 are connected to a high frequency power source 4 through a matching box 17. In such a constitution, the matching of impedance is conducted by regulating a variable capacitor in the matching box 16, linearly moving the fixed blades 15 to change the capacitance of the variable capacitor formed by the fixed blades 15 and the rotating blades 14.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、高周波プラズマスパッ
タ装置やエッチング装置などの高周波プラズマ装置に関
する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a high frequency plasma apparatus such as a high frequency plasma sputtering apparatus and an etching apparatus.

【0002】[0002]

【従来の技術】図1は、従来の高周波プラズマ装置の概
念図を示している。1は真空チャンバーであり、内部に
は、予め真空排気された後にアルゴンガスなどの不活性
ガスが封入されている。チャンバー1内には一対の平板
状電極2,3が対向して配置され、電極2は接地されて
いる。電極3には高周波電源4からインピーダンス整合
を行うマッチングボックス5を介して高周波が供給され
ている。
2. Description of the Related Art FIG. 1 is a conceptual diagram of a conventional high frequency plasma device. Reference numeral 1 denotes a vacuum chamber in which an inert gas such as argon gas is sealed after being evacuated in advance. A pair of flat plate-shaped electrodes 2 and 3 are arranged to face each other in the chamber 1, and the electrode 2 is grounded. A high frequency power is supplied to the electrode 3 from a high frequency power supply 4 through a matching box 5 that performs impedance matching.

【0003】この様な装置において、電極2として表面
に膜を形成すべき基板を用い、また、電極3として膜の
材料物質を用いた場合には、装置はスパッタ装置として
使用される。高周波電源4からの高周波をマッチングボ
ックス5を介して電極3に印加すると、電極2と3との
間で高周波プラズマが発生し、その結果、内部のアルゴ
ンガスがイオン化される。アルゴンイオンは、電極3に
向かって衝突し、電極3の材料をスパッタする。スパッ
タされた材料は、基板2の表面に付着され、基板2の表
面には電極3の材料の成膜が施される。なお、電極3と
して所望のマスクが設けられた基板を用いれば、電極3
としての基板のエッチング装置として図1の装置は使用
される。
In such an apparatus, when the substrate on which a film is to be formed is used as the electrode 2 and the material of the film is used as the electrode 3, the apparatus is used as a sputtering apparatus. When a high frequency wave from the high frequency power source 4 is applied to the electrode 3 via the matching box 5, a high frequency plasma is generated between the electrodes 2 and 3, and as a result, the argon gas inside is ionized. Argon ions strike the electrode 3 and sputter the material of the electrode 3. The sputtered material is attached to the surface of the substrate 2, and the material of the electrode 3 is deposited on the surface of the substrate 2. If a substrate provided with a desired mask is used as the electrode 3, the electrode 3
The apparatus shown in FIG. 1 is used as an etching apparatus for a substrate.

【0004】[0004]

【発明が解決しようとする課題】さて、上記した装置
で、基板2上の膜の形成を均一とするため、スパッタさ
れる電極3を回転させる場合がある。この場合、図2に
示すように、電極3に回転軸6を設け、回転機構7によ
って回転軸6を回転させるようにしている。そして、マ
ッチングボックス5からの高周波を電極3に供給するた
め、回転軸6の端部に複数の円盤状の回転翼8を設け、
この回転翼8を複数のリング状の固定翼9の間に配置す
るようにしている。この固定翼9は、マッチングホホッ
クス5に接続されている。この結果、マッチングボック
ス5と電極3とは、回転翼8と固定翼9とが形成するコ
ンデンサによって容量結合され、電極3には所望の高周
波の供給が行われる。このような高周波プラズマ装置の
等価回路を図3に示す。この等価回路で、コンデンサ1
0は回転翼8と固定翼9とが形成するコンデンサであ
る。また、マッチングボックス5は、2種の可変コンデ
ンサ11,12と、インダクタンス13とから構成され
る。この等価回路から明らかなように、コンデンサの数
が多く、装置を構成する部品点数が多くなり、コストが
アップする。
In the above-mentioned apparatus, in order to make the film formation on the substrate 2 uniform, the sputtered electrode 3 may be rotated. In this case, as shown in FIG. 2, the electrode 3 is provided with the rotating shaft 6, and the rotating mechanism 7 rotates the rotating shaft 6. And, in order to supply the high frequency from the matching box 5 to the electrode 3, a plurality of disk-shaped rotary blades 8 are provided at the end of the rotary shaft 6,
The rotary blade 8 is arranged between a plurality of ring-shaped fixed blades 9. This fixed wing 9 is connected to the matching hox 5. As a result, the matching box 5 and the electrode 3 are capacitively coupled by the condenser formed by the rotary blade 8 and the fixed blade 9, and a desired high frequency is supplied to the electrode 3. An equivalent circuit of such a high frequency plasma device is shown in FIG. In this equivalent circuit, capacitor 1
Reference numeral 0 is a condenser formed by the rotary blade 8 and the fixed blade 9. The matching box 5 is composed of two types of variable capacitors 11 and 12 and an inductance 13. As is clear from this equivalent circuit, the number of capacitors is large, the number of parts constituting the device is large, and the cost is increased.

【0005】本発明は、このような点に鑑みてなされた
もので、その目的は、簡単な構成で回転電極に高周波を
供給することができる高周波プラズマ装置を実現するに
ある。
The present invention has been made in view of the above points, and an object thereof is to realize a high-frequency plasma device capable of supplying a high frequency to a rotating electrode with a simple structure.

【0006】[0006]

【課題を解決するための手段】本発明に基づく高周波プ
ラズマ装置は、チャンバー内に対向して配置された一対
の電極と、一方の電極を回転させる手段と、回転する電
極に接続された回転軸と、回転軸に設けられた回転翼
と、回転翼との間でコンデンサを形成する固定翼と、回
転翼と固定翼とによるコンデンサの静電容量を変化させ
るため、固定翼を一方向に直線的に移動させるための手
段と、高周波電源と、高周波電源と固定翼との間に配置
され、高周波電源からの高周波のインピーダンス整合を
行うためのマッチングボックスとを備えたことを特徴と
している。
A high-frequency plasma device according to the present invention comprises a pair of electrodes facing each other in a chamber, a means for rotating one electrode, and a rotating shaft connected to the rotating electrode. And a fixed blade that forms a condenser between the fixed blade and the rotary blade provided on the rotary shaft, and the capacitance of the fixed blade and the fixed blade are changed in a straight line in one direction. And a matching box arranged between the high frequency power source and the fixed blade for impedance matching of the high frequency from the high frequency power source.

【0007】[0007]

【作用】本発明に基づく高周波プラズマ装置は、高周波
電源からの高周波を固定翼に供給し、この固定翼と回転
電極と共に回転する回転翼とによってコンデンサを形成
し、固定翼の回転翼に対する位置を変えることによって
このコンデンサを可変コンデンサとして使用する。
The high-frequency plasma device according to the present invention supplies a high frequency from a high-frequency power source to a fixed blade, and a condenser is formed by the fixed blade and the rotary blade that rotates together with the rotary electrode, and the position of the fixed blade with respect to the rotary blade is fixed. This capacitor is used as a variable capacitor by changing it.

【0008】[0008]

【実施例】以下、図面を参照して本発明の実施例を詳細
に説明する。図4は、本発明に基づく高周波プラズマ装
置を示しており、図1,図2の従来装置と同一部分は同
一番号が付されている。この実施例と図1,図2の従来
装置との最大の相違点は、固定翼が回転翼に対して直線
状に移動できるように構成した点である。図4におい
て、回転軸6の下部には、回転軸と一体となって回転す
る複数の円筒状の回転翼14が取り付けられている。複
数の回転翼14はそれぞれ同心状に配置されている。こ
の回転翼14の間には、複数の円筒状の固定翼15が配
置されており、これらの固定翼15も各回転翼14の中
心と一致した中心の回りに同心状に配置されている。図
5は図4におけるA−A断面図であり、回転翼14と固
定翼15の断面を示しており、実線で示した断面が回転
翼14、点線で示した断面が固定翼15である。この固
定翼15は、駆動機構16によって図中矢印に示す方向
に移動可能にされている。この固定翼15はマッチング
ボックス17を介して高周波電源4に接続されている。
Embodiments of the present invention will now be described in detail with reference to the drawings. FIG. 4 shows a high-frequency plasma device according to the present invention, and the same parts as those of the conventional device shown in FIGS. 1 and 2 are designated by the same reference numerals. The greatest difference between this embodiment and the conventional device shown in FIGS. 1 and 2 is that the fixed blade is configured to move linearly with respect to the rotary blade. In FIG. 4, a plurality of cylindrical rotary blades 14 that rotate integrally with the rotary shaft are attached to the lower part of the rotary shaft 6. The plurality of rotor blades 14 are arranged concentrically. A plurality of cylindrical fixed blades 15 are arranged between the rotary blades 14, and these fixed blades 15 are also arranged concentrically around the center coinciding with the center of each rotary blade 14. FIG. 5 is a cross-sectional view taken along the line AA in FIG. 4, showing the cross section of the rotary blade 14 and the fixed blade 15. The cross section shown by the solid line is the rotary blade 14, and the cross section shown by the dotted line is the fixed blade 15. The fixed wing 15 is movable by a drive mechanism 16 in the direction shown by the arrow in the figure. The fixed blade 15 is connected to the high frequency power source 4 via a matching box 17.

【0009】このような構成で、回転翼14と固定翼1
5とは、コンデンサを形成するが、固定翼15が固定翼
14に対して移動可能であるため、可変コンデンサとし
て働く。この結果、この実施例の等価回路は、図6に示
すようになる。この等価回路で可変コンデンサ18は回
転翼15と固定翼15が形成するコンデンサである。こ
の図6の等価回路と図3の等価回路とを比較すると、コ
ンデンサ10が可変コンデンサ18になり、マッチング
ボックス16は、可変コンデンサ12とインダクタンス
13とから構成され、可変コンデンサ11が省略されて
いることである。すなわち、図3の等価回路のコンデン
サ10と可変コンデンサ11とが単一の可変コンデンサ
18となり、実質的に、可変コンデンサ11をなくすこ
とができた。なお、インピーダンスの整合を行う場合に
は、マッチングボックス16内の可変コンデンサ12の
調整と、固定翼15を直線的に移動させて、固定翼15
と回転翼14とが形成する可変コンデンサ18の容量を
変化させることによって行う。 以上本発明を説明した
が、本発明は、高周波スパッタ装置や高周波エッチング
装置に適用できる。
With such a configuration, the rotary blade 14 and the fixed blade 1
5 forms a condenser, but since the fixed blade 15 is movable with respect to the fixed blade 14, it functions as a variable condenser. As a result, the equivalent circuit of this embodiment is as shown in FIG. In this equivalent circuit, the variable capacitor 18 is a capacitor formed by the rotary blade 15 and the fixed blade 15. Comparing the equivalent circuit of FIG. 6 with the equivalent circuit of FIG. 3, the capacitor 10 becomes the variable capacitor 18, the matching box 16 is composed of the variable capacitor 12 and the inductance 13, and the variable capacitor 11 is omitted. That is. That is, the capacitor 10 and the variable capacitor 11 of the equivalent circuit of FIG. 3 become a single variable capacitor 18, and the variable capacitor 11 can be substantially eliminated. When the impedance matching is performed, the variable condenser 12 in the matching box 16 is adjusted and the fixed blade 15 is moved linearly to make the fixed blade 15
This is performed by changing the capacity of the variable capacitor 18 formed by the rotor 14 and the rotary vane 14. Although the present invention has been described above, the present invention can be applied to a high frequency sputtering apparatus and a high frequency etching apparatus.

【0010】[0010]

【発明の効果】以上説明したように、本発明に基づく高
周波プラズマ装置は、高周波電源からの高周波を固定翼
に供給し、この固定翼と回転電極と共に回転する回転翼
とによってコンデンサを形成し、固定翼の回転翼に対す
る位置を変えることによってこのコンデンサを可変コン
デンサとして使用するようにしたので、簡単な構成で回
転電極に高周波を供給することができる。
As described above, the high frequency plasma device according to the present invention supplies high frequency waves from the high frequency power source to the fixed blades, and the fixed blades and the rotating blades that rotate together with the rotating electrodes form a capacitor, Since this capacitor is used as a variable capacitor by changing the position of the fixed blade with respect to the rotary blade, a high frequency can be supplied to the rotary electrode with a simple configuration.

【図面の簡単な説明】[Brief description of drawings]

【図1】従来の高周波プラズマ装置を示す図である。FIG. 1 is a diagram showing a conventional high-frequency plasma device.

【図2】容量結合によって高周波の供給を行うようにし
た従来の高周波プラズマ装置を示す図である。
FIG. 2 is a diagram showing a conventional high-frequency plasma device in which a high-frequency is supplied by capacitive coupling.

【図3】図2の装置の等価回路を示す図である。FIG. 3 is a diagram showing an equivalent circuit of the device of FIG.

【図4】本発明に基づく高周波プラズマ装置の一実施例
を示す図である。
FIG. 4 is a diagram showing an embodiment of a high frequency plasma device according to the present invention.

【図5】図4のA−A断面図である。5 is a cross-sectional view taken along the line AA of FIG.

【図6】図4の装置の等価回路を示す図である。6 is a diagram showing an equivalent circuit of the device of FIG.

【符号の説明】[Explanation of symbols]

1…真空チャンバー 2,3…電極 4…高周波電源 5,16…マッチングボックス 6…回転軸 7…回転機構 8,14…回転翼 9,15…固定翼 10…コンデンサ 11,12,18…可変コンデンサ 1 ... Vacuum chamber 2, 3 ... Electrode 4 ... High frequency power source 5, 16 ... Matching box 6 ... Rotating shaft 7 ... Rotating mechanism 8, 14 ... Rotor blade 9, 15 ... Fixed blade 10 ... Capacitor 11, 12, 18 ... Variable capacitor

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 チャンバー内に対向して配置された一対
の電極と、一方の電極を回転させる手段と、回転する電
極に接続された回転軸と、回転軸に設けられた回転翼
と、回転翼との間でコンデンサを形成する固定翼と、回
転翼と固定翼とによるコンデンサの静電容量を変化させ
るため、固定翼を一方向に直線的に移動させるための手
段と、高周波電源と、高周波電源と固定翼との間に配置
され、高周波電源からの高周波のインピーダンス整合を
行うためのマッチングボックスとを備えた高周波プラズ
マ装置。
1. A pair of electrodes arranged to face each other in a chamber, a means for rotating one electrode, a rotary shaft connected to the rotating electrode, a rotary blade provided on the rotary shaft, and a rotary shaft. A fixed blade that forms a capacitor between the blade and the blade, a means for linearly moving the fixed blade in one direction to change the electrostatic capacitance of the capacitor by the rotary blade and the fixed blade, and a high-frequency power source, A high frequency plasma device provided with a matching box arranged between a high frequency power source and a fixed blade for impedance matching of a high frequency from the high frequency power source.
JP4008952A 1992-01-22 1992-01-22 High frequency plasma device Withdrawn JPH05198390A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4008952A JPH05198390A (en) 1992-01-22 1992-01-22 High frequency plasma device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4008952A JPH05198390A (en) 1992-01-22 1992-01-22 High frequency plasma device

Publications (1)

Publication Number Publication Date
JPH05198390A true JPH05198390A (en) 1993-08-06

Family

ID=11707013

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4008952A Withdrawn JPH05198390A (en) 1992-01-22 1992-01-22 High frequency plasma device

Country Status (1)

Country Link
JP (1) JPH05198390A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001028300A1 (en) * 1999-10-15 2001-04-19 Tokyo Electron Limited Matching device and plasma processing apparatus
US6585870B1 (en) 2000-04-28 2003-07-01 Honeywell International Inc. Physical vapor deposition targets having crystallographic orientations
US7153387B1 (en) * 1999-08-20 2006-12-26 Tokyo Electron Limited Plasma processing apparatus and method of plasma processing
JP2007068179A (en) * 2005-08-29 2007-03-15 Applied Materials Inc Method and device for symmetric and/or concentric radio frequency matching circuit network
WO2013005943A1 (en) * 2011-07-01 2013-01-10 주식회사 플라즈마트 Impedance matching device, linear motion module, and radio frequency power supply device
CN105830194A (en) * 2013-12-18 2016-08-03 应用材料公司 AC power connector, sputtering apparatus and method therefor
JP2017502514A (en) * 2013-12-18 2017-01-19 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated Rotating heated electrostatic chuck
JP2017502489A (en) * 2013-09-26 2017-01-19 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated Rotating substrate support with high frequency applicator

Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7153387B1 (en) * 1999-08-20 2006-12-26 Tokyo Electron Limited Plasma processing apparatus and method of plasma processing
US7112926B2 (en) 1999-10-15 2006-09-26 Tokyo Electron Limited Matching unit and plasma processing system
WO2001028300A1 (en) * 1999-10-15 2001-04-19 Tokyo Electron Limited Matching device and plasma processing apparatus
US6585870B1 (en) 2000-04-28 2003-07-01 Honeywell International Inc. Physical vapor deposition targets having crystallographic orientations
JP2007068179A (en) * 2005-08-29 2007-03-15 Applied Materials Inc Method and device for symmetric and/or concentric radio frequency matching circuit network
JP2011142098A (en) * 2005-08-29 2011-07-21 Applied Materials Inc Method and device for symmetric and/or concentric radio frequency matching circuit net
US9450559B2 (en) 2011-07-01 2016-09-20 Plasmart Inc. Impedance matching device, linear motion module, and radio frequency power supply device
WO2013005943A1 (en) * 2011-07-01 2013-01-10 주식회사 플라즈마트 Impedance matching device, linear motion module, and radio frequency power supply device
KR101278164B1 (en) * 2011-07-01 2013-06-27 주식회사 플라즈마트 Impedance matching apparatus, linear motion module, and radio ffrequency power supply apparatus
CN103636123A (en) * 2011-07-01 2014-03-12 株式会社普来马特 Impedance matching device, linear motion module, and radio frequency power supply device
JP2014525123A (en) * 2011-07-01 2014-09-25 プラズマート インコーポレーテッド Impedance matching device, linear motion module, and radio frequency power supply device
US9088266B2 (en) 2011-07-01 2015-07-21 Plasmart Inc. Impedance matching device, linear motion module, and radio frequency power supply device
JP2018113452A (en) * 2013-09-26 2018-07-19 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated Rotatable substrate support having high frequency applicator
JP2017502489A (en) * 2013-09-26 2017-01-19 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated Rotating substrate support with high frequency applicator
US10460915B2 (en) 2013-09-26 2019-10-29 Applied Materials, Inc. Rotatable substrate support having radio frequency applicator
KR20160101107A (en) * 2013-12-18 2016-08-24 어플라이드 머티어리얼스, 인코포레이티드 Ac power connector, sputtering apparatus and method therefor
US20160336151A1 (en) * 2013-12-18 2016-11-17 Applied Materals, Inc. Ac power connector, sputtering apparatus and method therefor
JP2017502514A (en) * 2013-12-18 2017-01-19 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated Rotating heated electrostatic chuck
JP2017503074A (en) * 2013-12-18 2017-01-26 アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated AC power connector, sputtering apparatus, and method therefor
CN105830194A (en) * 2013-12-18 2016-08-03 应用材料公司 AC power connector, sputtering apparatus and method therefor
EP3084803B1 (en) * 2013-12-18 2018-08-15 Applied Materials, Inc. Ac power connector, method for providing ac power, and sputtering apparatus
CN110942971A (en) * 2013-12-18 2020-03-31 应用材料公司 AC power connector, sputtering apparatus and method thereof
TWI690974B (en) * 2013-12-18 2020-04-11 美商應用材料股份有限公司 Ac power connector, sputtering apparatus and method therefor
US10818475B2 (en) 2013-12-18 2020-10-27 Applied Materials, Inc. AC power connector, sputtering apparatus and method therefor

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