JP5498655B2 - クラスタ源を使用する荷電粒子ビーム処理 - Google Patents
クラスタ源を使用する荷電粒子ビーム処理 Download PDFInfo
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- JP5498655B2 JP5498655B2 JP2007280016A JP2007280016A JP5498655B2 JP 5498655 B2 JP5498655 B2 JP 5498655B2 JP 2007280016 A JP2007280016 A JP 2007280016A JP 2007280016 A JP2007280016 A JP 2007280016A JP 5498655 B2 JP5498655 B2 JP 5498655B2
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- 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
- H10P50/00—Etching of wafers, substrates or parts of devices
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/305—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching
- H01J37/3053—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching for evaporating or etching
- H01J37/3056—Electron-beam or ion-beam tubes for localised treatment of objects for casting, melting, evaporating, or etching for evaporating or etching for microworking, e. g. etching of gratings or trimming of electrical components
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
- H01J37/317—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation
- H01J37/3178—Electron-beam or ion-beam tubes for localised treatment of objects for changing properties of the objects or for applying thin layers thereon, e.g. for ion implantation for applying thin layers on objects
-
- 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
- H10P72/0402—Apparatus for fluid treatment
- H10P72/0418—Apparatus for fluid treatment for etching
- H10P72/0421—Apparatus for fluid treatment for etching for drying etching
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/006—Details of gas supplies, e.g. in an ion source, to a beam line, to a specimen or to a workpiece
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/06—Sources
- H01J2237/08—Ion sources
- H01J2237/0812—Ionized cluster beam [ICB] sources
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/06—Sources
- H01J2237/08—Ion sources
- H01J2237/0815—Methods of ionisation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/31—Processing objects on a macro-scale
- H01J2237/3142—Ion plating
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/317—Processing objects on a microscale
- H01J2237/31732—Depositing thin layers on selected microareas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/317—Processing objects on a microscale
- H01J2237/3174—Etching microareas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/317—Processing objects on a microscale
- H01J2237/3174—Etching microareas
- H01J2237/31742—Etching microareas for repairing masks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/30—Electron or ion beam tubes for processing objects
- H01J2237/317—Processing objects on a microscale
- H01J2237/3174—Etching microareas
- H01J2237/31742—Etching microareas for repairing masks
- H01J2237/31744—Etching microareas for repairing masks introducing gas in vicinity of workpiece
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- Chemical Vapour Deposition (AREA)
- Electron Sources, Ion Sources (AREA)
- Drying Of Semiconductors (AREA)
- Physical Vapour Deposition (AREA)
Description
加工物を真空チャンバ内で位置決めするステップと、
加工物を処理するために加工物の表面を荷電粒子の集束ビームで照射するステップとを含む。本発明は、さらにその方法を実行するために装備された装置に関する。
真空チャンバと、
前記真空チャンバ内で加工物を加工物位置に支持するための加工物支持体と、
荷電粒子のビームを生成するための荷電粒子源と、
前記荷電粒子のビームを加工物位置に集束するための少なくとも1つの集束レンズと
を含む装置であり、
この装置が荷電クラスタのビームを加工物位置に導くように備えられることを
特徴とする。
102 クラスタ・イオン源
104 ガス注入システム
106 電子ビーム・カラム
107 荷電粒子ビーム
108 クラスタのビーム
110 注目する領域
112 加工物
114 真空チャンバ
116 ステージ
300 セラミック・プラズマ・イオン・チャンバ
301 RF励起型プラズマ・イオン源
302 コイル
304 開口電極
306 イオン・ビーム集束カラム
308 集束イオン・ビーム
309 バルブ
310、312、314 供給源
400 クラスタ源
402 るつぼ
404 供給源材料
408 電源
410 加熱コイル
420 ノズル
422 クラスタ
430 イオナイザ
432 電子源
434 電子
436 電極
440 マス・フィルタ
442 クラスタのビーム
450 加工物
Claims (24)
- 加工物(112)を荷電粒子のビームで処理する方法であって、
前記加工物(112)を真空チャンバ(114)内で位置決めするステップと、
前記加工物の表面にガスを誘導するステップであって、前記ガスが前駆物質ガスまたはエッチング増強ガスを含むステップと、
前記加工物を処理するために前記加工物の表面を、前記加工物にエネルギーを供給して前記加工物の表面において前記ガスの化学反応を誘起させる荷電粒子の集束ビームで照射するステップと、
を含み、
前記荷電粒子の集束ビームは、非反応性の原子または分子の荷電クラスタの集束ビーム(108)であることを特徴とする方法。 - 前記荷電クラスタが、炭素、金、ビスマス、またはキセノンを含む、請求項1に記載の方法。
- 前記荷電クラスタの集束ビーム(108)が、C60、C70、C80、C84、Au3、Bi3、またはXe40を含むクラスタを含む、請求項2に記載の方法。
- 前記荷電クラスタの集束ビーム(108)がフラーレンを含む、請求項3に記載の方法。
- 前記化学反応が、前記前駆物質ガスを分解して前記加工物上に材料を堆積させることを含む、請求項1から4のいずれかに記載の方法。
- 前記化学反応が、前記エッチング増強ガスを分解して前記加工物の表面をエッチングすることを含む、請求項1から5に記載の方法。
- 前記ガスが、XeF2、F2、Cl2、Br2、I2、過フッ化炭化水素、トリフルオロアセトアミド、トリフルオロ酢酸、トリクロロ酢酸、水、アンモニア、または酸素を含む、請求項6に記載の方法。
- 前記ガスが、シラン化合物または有機金属化合物を含む前駆物質ガスを含み、前記加工物における前記化学反応が、前記前駆物質ガスを分解して前記加工物(112)上に堆積層を形成することを含む、請求項5に記載の方法。
- 前記ガスが、テトラメチルオルトシラン(TMOS)、テトラエチルオルトシラン(TEOS)、テトラブトキシシラン(Si(OC4H9))、ジメチル金アセチルアセトネート、タングステンヘキサカルボニル(W(CO)6)、またはメチルシクロペンタジエニルトリメチル白金(C9H16Pt)を含む、請求項8に記載の方法。
- 前記荷電クラスタの集束ビームで前記加工物を照射するステップが、プラズマ・イオン源(301)からの荷電クラスタの集束ビームで前記加工物を照射するステップを含む、請求項1から9のいずれかに記載の方法。
- 前記プラズマ・イオン源が誘導結合プラズマ・イオン源である、請求項10に記載の方法。
- 前記荷電クラスタの集束ビームで前記加工物を照射するステップが、蒸発クラスタ源(400)からの荷電クラスタの集束ビームで前記加工物を照射するステップを含む、請求項1から9のいずれかに記載の方法。
- 前記堆積層が、前記荷電クラスタが形成される材料を含む、請求項5、8、9のいずれかに記載の方法。
- 前記荷電クラスタのビーム(108)を形成するクラスタが0.1未満の原子当たりの電荷比を有する、請求項1から13のいずれかに記載の方法。
- 前記原子当たりの電荷比が0.01未満である、請求項14に記載の方法。
- 加工物(112)を荷電粒子のビームで処理する方法であって、
前記加工物(112)を真空チャンバ(114)内で位置決めするステップと、
前記加工物の表面を非反応性の荷電クラスタの集束ビームで照射するステップであって、前記クラスタ中の材料が前記加工物の表面に堆積し保護層を形成するステップと、
前記保護層によって覆われた前記加工物の表面の一部分に荷電粒子の集束ビームを誘導して前記加工物をエッチングするステップであって、前記荷電粒子の集束ビームはイオン化された原子または電子を含んでいるステップと、
を含むことを特徴とする方法。 - 前記クラスタ中の材料が、炭素を含むことを特徴とする、請求項16に記載の方法。
- 加工物(112)を処理するための荷電粒子装置であって、
真空チャンバ(114)と、
前記真空チャンバ内で前記加工物を加工物位置(110)に支持するための加工物支持体(116)と、
非反応性の原子または分子の荷電クラスタの集束ビームを生成するための第1の荷電粒子源と、
イオンまたは電子の集束ビームを生成するための第2の荷電粒子源と、
を備え、前記第1の荷電粒子源からのビームおよび前記第2の荷電粒子源からのビームによって前記加工物を処理することを特徴とする装置。 - 前記荷電クラスタのビームによって活性化して材料を堆積する前駆物質ガスを前記加工物位置(110)に導くためのガス注入システム(104)をさらに備える、請求項18に記載の装置。
- 前記荷電クラスタのビームによって活性化して材料をエッチングするエッチング増強ガスを前記加工物位置(110)に導くためのガス注入システム(104)をさらに備える、請求項18に記載の装置。
- 前記第1の荷電粒子源がプラズマ・イオン源(301)を含む、請求項18から20のいずれかに記載の装置。
- 前記プラズマ・イオン源が誘導結合プラズマ・イオン源(301)である、請求項21に記載の装置。
- 前記第1の荷電粒子源が蒸発クラスタ・イオン源(400)を含む、請求項18から20のいずれかに記載の装置。
- 前記第1の荷電粒子源が、フラーレン、ビスマス、金、またはキセノンを含むクラスタを生成する、請求項18から23のいずれかに記載の装置。
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/590,570 US8835880B2 (en) | 2006-10-31 | 2006-10-31 | Charged particle-beam processing using a cluster source |
| US11/590,570 | 2006-10-31 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2008177154A JP2008177154A (ja) | 2008-07-31 |
| JP2008177154A5 JP2008177154A5 (ja) | 2010-12-16 |
| JP5498655B2 true JP5498655B2 (ja) | 2014-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2007280016A Expired - Fee Related JP5498655B2 (ja) | 2006-10-31 | 2007-10-29 | クラスタ源を使用する荷電粒子ビーム処理 |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US8835880B2 (ja) |
| EP (1) | EP1918963B1 (ja) |
| JP (1) | JP5498655B2 (ja) |
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2006
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-
2007
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- 2007-10-31 EP EP07119687.7A patent/EP1918963B1/en active Active
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11069513B2 (en) | 2019-09-03 | 2021-07-20 | Kioxia Corporation | Charged particle beam apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1918963A2 (en) | 2008-05-07 |
| US20150079796A1 (en) | 2015-03-19 |
| US8835880B2 (en) | 2014-09-16 |
| EP1918963A3 (en) | 2009-10-21 |
| EP1918963B1 (en) | 2014-04-23 |
| JP2008177154A (ja) | 2008-07-31 |
| US20080142735A1 (en) | 2008-06-19 |
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