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CN105441889A - 一种离子源磁场分布结构 - Google Patents

一种离子源磁场分布结构 Download PDF

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Publication number
CN105441889A
CN105441889A CN201510966434.1A CN201510966434A CN105441889A CN 105441889 A CN105441889 A CN 105441889A CN 201510966434 A CN201510966434 A CN 201510966434A CN 105441889 A CN105441889 A CN 105441889A
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China
Prior art keywords
magnetic field
ion source
target
magnetic steel
negative electrode
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CN201510966434.1A
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刘野
刘晓华
马槽伟
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DALIAN VACUUM TECHNOLOGIES Inc
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DALIAN VACUUM TECHNOLOGIES Inc
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Priority to CN201510966434.1A priority Critical patent/CN105441889A/zh
Publication of CN105441889A publication Critical patent/CN105441889A/zh
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    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C14/00Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34Sputtering
    • C23C14/35Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3402Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
    • H01J37/3405Magnetron sputtering
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/32Gas-filled discharge tubes
    • H01J37/34Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411Constructional aspects of the reactor
    • H01J37/345Magnet arrangements in particular for cathodic sputtering apparatus
    • H01J37/3452Magnet distribution

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)

Abstract

本发明提供了一种离子源磁场分布结构,包括外磁钢、阳极、靶材、内磁钢、磁钢座、阴极和靶座构成,所述外磁钢及内磁钢安装于磁钢座内部,整体安装于靶座上,所述靶材安装于磁钢座上,由阴极充入冷却水冷却磁钢及靶材,同时通入负电压,由阳极通入正电压且与阴极绝缘,同时通入气体,阴极为纯铁或纯石墨。本发明气体由内外阴极间的狭缝通过时,迅速被聚在拱形磁场中间并被离化,通过这样的方式,实现离化率高的同时阴极极少溅射的目的,并具有通用性好,使用安全、方便和成本较低的显著有益效果。

Description

一种离子源磁场分布结构
技术领域
本发明涉及一种离子源磁场分布结构,属于真空技术领域。
背景技术
现有离子源磁场分布结构技术中,气体由内外阴极间的狭缝通过时,离子源阴极溅射容易导致一些恶劣情况,比如:污染基片;污染阳极;阴极与阳极绝缘不好,使工作不稳,甚至离子源无法起辉光开始工作。鉴于此,有必要对传统的离子源磁场分布结构进行改进,以此来解决目前存在的问题。
发明内容
本发明要解决的技术问题是克服现有的缺陷,提供一种离子源磁场分布结构,可以有效解决背景技术中的问题。
为了解决上述技术问题,本发明提供了如下的技术方案:
本发明提供一种离子源磁场分布结构,包括外磁钢、阳极、靶材、内磁钢、磁钢座、阴极和靶座构成。
作为本发明的一种优选技术方案,所述外磁钢及内磁钢安装于磁钢座内部,整体安装于靶座上,所述靶材安装于磁钢座上。
作为本发明的一种优选技术方案,所述阴极充入冷却水冷却磁钢及靶材,同时通入负电压。
作为本发明的一种优选技术方案,所述阳极通入正电压且与阴极绝缘,同时通入气体。
作为本发明的一种优选技术方案,所述阴极为纯铁或纯石墨,所述纯石墨的内外阴极狭缝为直边。
本发明所达到的有益效果是:
1、本发明整体结构简单、外观简洁、便于自动控制;
2、本发明通用性好,使用安全、便于维护、成本较低的显著有益效果。
附图说明
附图用来提供对本发明的进一步理解,并且构成说明书的一部分,与本发明的实施例一起用于解释本发明,并不构成对本发明的限制。
在附图中:
图1是本发明阴极为纯铁的具体实施例的整体结构示意图;
图2是本发明阴极为纯石墨的具体实施例的整体结构示意图;
图中标号:1、外磁钢;2、阳极;3、靶材;4、内磁钢;5、磁钢座;6、阴极;7、靶座。
具体实施方式
以下结合附图对本发明的优选实施例进行说明,应当理解,此处所描述的优选实施例仅用于说明和解释本发明,并不用于限定本发明。
实施例1:如图1所示,一种离子源磁场分布结构,包括外磁钢1、阳极2、靶材3、内磁钢4、磁钢座5、阴极6和靶座7构成,所述外磁钢1及内磁钢4安装于磁钢座5内部,整体安装于靶座7上,所述靶材3安装于磁钢座5上,该结构中阴极6为纯铁。
该结构运行时,由阴极6充入冷却水冷却磁钢及靶材3,同时通入负电压;由阳极2通入正电压且与阴极6绝缘,同时通入气体,气体由内外阴极间的狭缝通过时,迅速被聚在拱形磁场中间并被离化,通过这样的方式,实现离化率高的同时阴极不溅射的目的,并具有通用性好,使用安全、方便和成本较低的显著有益效果。
实施例2:如图2所示,一种离子源磁场分布结构,包括外磁钢1、阳极2、靶材3、内磁钢4、磁钢座5、阴极6和靶座7构成,该结构中的阴极6由原来的纯铁更换为纯石墨,同时纯石墨的内外阴极狭缝为直边。
该结构运行时,由阴极6充入冷却水冷却磁钢及靶材3,同时通入负电压;由阳极2通入正电压且与阴极6绝缘,同时通入气体,气体由内外阴极间的狭缝通过时,迅速被聚在拱形磁场中间并被离化,通过这样的方式,实现离化率高的同时阴极不溅射的目的,并具有通用性好,使用安全、方便和成本较低的显著有益效果。
最后应说明的是:以上所述仅为本发明的优选实施例而已,并不用于限制本发明,尽管参照前述实施例对本发明进行了详细的说明,对于本领域的技术人员来说,其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (5)

1.一种离子源磁场分布结构,其特征在于,包括外磁钢(1)、阳极(2)、靶材(3)、内磁钢(4)、磁钢座(5)、阴极(6)和靶座(7)构成。
2.根据权利要求1所述的一种离子源磁场分布结构,其特征在于,所述外磁钢(1)及内磁钢(4)安装于磁钢座(5)内部,整体安装于靶座(7)上,所述靶材(3)安装于磁钢座(5)上。
3.根据权利要求1或2所述的一种离子源磁场分布结构,其特征在于,所述阴极(6)充入冷却水冷却磁钢及靶材(3),同时通入负电压。
4.根据权利要求1或2所述的一种离子源磁场分布结构,其特征在于,所述阳极(2)通入正电压且与阴极(6)绝缘,同时通入气体。
5.根据权利要求1所述的一种离子源磁场分布结构,其特征在于,所述阴极(6)为纯铁或纯石墨,所述纯石墨的内外阴极狭缝为直边。
CN201510966434.1A 2015-12-22 2015-12-22 一种离子源磁场分布结构 Pending CN105441889A (zh)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106604513A (zh) * 2016-12-21 2017-04-26 苏州求是真空电子有限公司 一种石墨等离子源
CN109735821A (zh) * 2019-03-19 2019-05-10 杭州朗为科技有限公司 一种高场强高靶材利用率的阴极

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62250174A (ja) * 1986-04-23 1987-10-31 Tokuda Seisakusho Ltd 放電電極
US6153067A (en) * 1998-12-30 2000-11-28 Advanced Ion Technology, Inc. Method for combined treatment of an object with an ion beam and a magnetron plasma with a combined magnetron-plasma and ion-beam source
US20040094411A1 (en) * 2002-11-14 2004-05-20 Roman Chistyakov High deposition rate sputtering
CN103403219A (zh) * 2011-02-25 2013-11-20 东丽株式会社 等离子体处理用磁控管电极

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62250174A (ja) * 1986-04-23 1987-10-31 Tokuda Seisakusho Ltd 放電電極
US6153067A (en) * 1998-12-30 2000-11-28 Advanced Ion Technology, Inc. Method for combined treatment of an object with an ion beam and a magnetron plasma with a combined magnetron-plasma and ion-beam source
US20040094411A1 (en) * 2002-11-14 2004-05-20 Roman Chistyakov High deposition rate sputtering
CN103403219A (zh) * 2011-02-25 2013-11-20 东丽株式会社 等离子体处理用磁控管电极

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106604513A (zh) * 2016-12-21 2017-04-26 苏州求是真空电子有限公司 一种石墨等离子源
CN109735821A (zh) * 2019-03-19 2019-05-10 杭州朗为科技有限公司 一种高场强高靶材利用率的阴极

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