EP2795658A1 - Procédé pour produire un revêtement homogène par hipims - Google Patents

Procédé pour produire un revêtement homogène par hipims

Info

Publication number
EP2795658A1
EP2795658A1 EP12812516.8A EP12812516A EP2795658A1 EP 2795658 A1 EP2795658 A1 EP 2795658A1 EP 12812516 A EP12812516 A EP 12812516A EP 2795658 A1 EP2795658 A1 EP 2795658A1
Authority
EP
European Patent Office
Prior art keywords
power
power pulse
pulse interval
generator
coating
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Withdrawn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
EP12812516.8A
Other languages
German (de)
English (en)
Inventor
Siegfried Krassnitzer
Helmut Rudigier
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.)
Oerlikon Surface Solutions AG Pfaeffikon
Original Assignee
Oerlikon Trading AG Truebbach
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 Oerlikon Trading AG Truebbach filed Critical Oerlikon Trading AG Truebbach
Publication of EP2795658A1 publication Critical patent/EP2795658A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3464—Operating strategies
    • H01J37/3467—Pulsed operation, e.g. HIPIMS
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3464—Sputtering using more than one target
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3485—Sputtering using pulsed power to the target
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/34—Sputtering
    • C23C14/3492—Variation of parameters during sputtering
    • C—CHEMISTRY; METALLURGY
    • C23—COATING 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
    • C23C—COATING 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
    • C23C14/54—Controlling or regulating the coating process
    • C23C14/542—Controlling the film thickness or evaporation rate
    • 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
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
    • H01J37/3411—Constructional aspects of the reactor
    • H01J37/3414—Targets
    • H01J37/3417—Arrangements

Definitions

  • the present invention relates to a HIPIMS method with which homogeneous layers can be deposited over the height of a coating chamber.
  • the HIPIMS process is a physical coating process from the gas phase. More specifically, it is a magnetron-assisted sputtering method in which a very high discharge current density is imposed on the sputtering material-supplying target, so that a high electron density is generated in the plasma and the majority of the sputtered particles are ionized.
  • Power densities between 250W / cm2 and 2000W / cm2 are used and special demands are placed on the generator supplying the power. In particular, it is not possible to permanently affect such a performance on the target, as this would overheat and thus be damaged. The power must therefore be pulsed.
  • the very high, desired discharge densities occur and the target heats up.
  • the target can cool down again.
  • Pulse duration and pulse pause must be coordinated so that the average power applied to the target does not exceed a threshold value. For HIPIMS therefore generators are required, which are able to deliver pulsed very high performance.
  • the workpieces are often distributed over the entire usable coating height. Workpieces are both tools and other components. In many cases, it is important to coat the workpieces with the same layer thickness and with the same layers, whether at the top, in the middle or at the bottom. In particular, if, as in the HIPIMS process, plasmas and their density have a significant influence on the coating rate, this goal is difficult to achieve. One of the reasons for this is that the plasmas themselves are influenced by the surrounding environment, which can lead to different coating rates over the height of the coating chamber. Typically, DC sputtering attempts to compensate for this by adjusting the magnetic fields across the height.
  • the procedure is such that a PVD sputtering cathode comprising a first part cathode and a second part cathode is operated, wherein a maximum average power input is predetermined for the part cathodes and wherein the duration of the power pulse intervals are predetermined and the method comprises the following steps: a) Provision of a generator with a predetermined power output, preferably at least after switching on and after expiry of a power setup interval b) Turning on the generator c) Connecting the first part cathode to the generator, so that the The first partial cathode is supplied with power from the generator.
  • FIG. 1 shows a corresponding situation with 6 partial cathodes and 3 groups.
  • the object is now achieved by individually selecting the length of the individual power pulse intervals and thus achieving a desired coating thickness profile over the height of the coating chamber. That According to the invention, the magnetic fields are not adjusted over the height of the coating chamber, as usual, but the duration of the power pulse intervals. The same is shown in FIG. It can be seen that the power pulse interval connected to the first sub-cathode is significantly longer than the power pulse interval connected to the sub-cathode 5. Due to the longer power pulse interval, the average coating rate starting from the partial cathode 1 becomes longer than the average coating rate starting from the partial cathode 5.
  • the power pulse intervals of all the subcathodes are selected to be the same length, and so a first coating is made for calibration. Subsequently, the coating thicknesses are measured over the height of the coating chamber. If there are differences in the thicknesses, then where the layers are too small in comparison to the average thickness, the power pulse intervals are somewhat prolonged. Where the layers are too large compared to the average thickness, the power pulse intervals are somewhat shortened. By doing so, a balance is achieved, it being clear to the person skilled in the art that several iteration steps can be carried out to further improve the homogenization.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Analytical Chemistry (AREA)
  • Physical Vapour Deposition (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Pretreatment Of Seeds And Plants (AREA)

Abstract

La présente invention concerne un procédé HIPIMS permettant de déposer des couches homogènes sur toute la hauteur d'une chambre de dépôt. À cet effet, on utilise deux cathodes partielles. Selon l'invention, la longueur des intervalles d'impulsions de puissance individuelles appliquées aux cathodes partielles est sélectionnée de manière individuelle, ce qui permet d'obtenir un profil d'épaisseur de revêtement souhaité sur toute la hauteur de la chambre de dépôt.
EP12812516.8A 2011-12-21 2012-11-23 Procédé pour produire un revêtement homogène par hipims Withdrawn EP2795658A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011121770A DE102011121770A1 (de) 2011-12-21 2011-12-21 Homogenes HIPIMS-Beschichtungsverfahren
PCT/EP2012/004847 WO2013091761A1 (fr) 2011-12-21 2012-11-23 Procédé pour produire un revêtement homogène par hipims

Publications (1)

Publication Number Publication Date
EP2795658A1 true EP2795658A1 (fr) 2014-10-29

Family

ID=47520875

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12812516.8A Withdrawn EP2795658A1 (fr) 2011-12-21 2012-11-23 Procédé pour produire un revêtement homogène par hipims

Country Status (13)

Country Link
US (1) US10982321B2 (fr)
EP (1) EP2795658A1 (fr)
JP (1) JP6180431B2 (fr)
KR (1) KR101934141B1 (fr)
CN (1) CN104160470B (fr)
BR (1) BR112014014793B1 (fr)
CA (1) CA2859747C (fr)
DE (1) DE102011121770A1 (fr)
MX (1) MX341506B (fr)
PH (1) PH12014501435B1 (fr)
RU (1) RU2633516C2 (fr)
SG (1) SG11201403396SA (fr)
WO (1) WO2013091761A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011117177A1 (de) * 2011-10-28 2013-05-02 Oerlikon Trading Ag, Trübbach Verfahren zur Bereitstellung sequenzieller Leistungspulse
WO2020167744A1 (fr) 2019-02-11 2020-08-20 Applied Materials, Inc. Procédé pour éliminer des particules sur des tranches par modification de plasma en pvd pulsé

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010001497U1 (de) * 2010-01-29 2010-04-22 Hauzer Techno-Coating B.V. Beschichtungsvorrichtung mit einer HIPIMS-Leistungsquelle

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JPS6141766A (ja) * 1984-08-06 1986-02-28 Hitachi Ltd スパツタリング方法およびスパツタ−装置
DE3700633C2 (de) * 1987-01-12 1997-02-20 Reinar Dr Gruen Verfahren und Vorrichtung zum schonenden Beschichten elektrisch leitender Gegenstände mittels Plasma
JPH07116596B2 (ja) * 1989-02-15 1995-12-13 株式会社日立製作所 薄膜形成方法、及びその装置
DE19651615C1 (de) * 1996-12-12 1997-07-10 Fraunhofer Ges Forschung Verfahren zum Aufbringen von Kohlenstoffschichten durch reaktives Magnetron-Sputtern
US9771648B2 (en) * 2004-08-13 2017-09-26 Zond, Inc. Method of ionized physical vapor deposition sputter coating high aspect-ratio structures
US20050103620A1 (en) * 2003-11-19 2005-05-19 Zond, Inc. Plasma source with segmented magnetron cathode
US7718042B2 (en) * 2004-03-12 2010-05-18 Oc Oerlikon Balzers Ag Method for manufacturing sputter-coated substrates, magnetron source and sputtering chamber with such source
JP2006124753A (ja) * 2004-10-27 2006-05-18 Bridgestone Corp Ｃｕ２Ｏ膜、その成膜方法及び太陽電池
DE102006017382A1 (de) * 2005-11-14 2007-05-16 Itg Induktionsanlagen Gmbh Verfahren und Vorrichtung zum Beschichten und/oder zur Behandlung von Oberflächen
DE102006021565A1 (de) * 2005-12-20 2007-06-28 Itg Induktionsanlagen Gmbh Verfahren und Vorrichtung zum Erzeugen eines Magnetfeldsystems
US7691544B2 (en) * 2006-07-21 2010-04-06 Intel Corporation Measurement of a scattered light point spread function (PSF) for microelectronic photolithography
WO2008050618A1 (fr) * 2006-10-24 2008-05-02 Ulvac, Inc. Procédé de fabrication d'un film mince et dispositif de fabrication d'un film mince
US20080197015A1 (en) * 2007-02-16 2008-08-21 Terry Bluck Multiple-magnetron sputtering source with plasma confinement
JP5037475B2 (ja) * 2008-11-11 2012-09-26 株式会社神戸製鋼所 スパッタ装置
DE102010007515A1 (de) * 2010-02-11 2011-08-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V., 80686 Verfahren zum Betreiben einer großflächigen Kathode für Plasmaprozesse mit hohem Ionisierungsgrad
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DE102011117177A1 (de) 2011-10-28 2013-05-02 Oerlikon Trading Ag, Trübbach Verfahren zur Bereitstellung sequenzieller Leistungspulse
DE102011018363A1 (de) * 2011-04-20 2012-10-25 Oerlikon Trading Ag, Trübbach Hochleistungszerstäubungsquelle

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202010001497U1 (de) * 2010-01-29 2010-04-22 Hauzer Techno-Coating B.V. Beschichtungsvorrichtung mit einer HIPIMS-Leistungsquelle

Also Published As

Publication number Publication date
KR101934141B1 (ko) 2018-12-31
SG11201403396SA (en) 2014-12-30
BR112014014793A2 (pt) 2017-06-13
MX2014007668A (es) 2014-11-25
PH12014501435A1 (en) 2014-09-22
MX341506B (es) 2016-08-22
JP2015508448A (ja) 2015-03-19
CA2859747C (fr) 2019-12-31
DE102011121770A1 (de) 2013-06-27
KR20140116102A (ko) 2014-10-01
US20150001063A1 (en) 2015-01-01
CN104160470A (zh) 2014-11-19
BR112014014793B1 (pt) 2021-08-10
JP6180431B2 (ja) 2017-08-16
CA2859747A1 (fr) 2013-06-27
RU2014129572A (ru) 2016-02-10
PH12014501435B1 (en) 2014-09-22
US10982321B2 (en) 2021-04-20
WO2013091761A1 (fr) 2013-06-27
RU2633516C2 (ru) 2017-10-13
CN104160470B (zh) 2017-01-18

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