WO2013190141A1 - Verfahren und vorrichtung zur vorbehandlung eines beschichteten oder unbeschichteten substrats - Google Patents
Verfahren und vorrichtung zur vorbehandlung eines beschichteten oder unbeschichteten substrats Download PDFInfo
- Publication number
- WO2013190141A1 WO2013190141A1 PCT/EP2013/063112 EP2013063112W WO2013190141A1 WO 2013190141 A1 WO2013190141 A1 WO 2013190141A1 EP 2013063112 W EP2013063112 W EP 2013063112W WO 2013190141 A1 WO2013190141 A1 WO 2013190141A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- sputtering
- gas
- layer
- vacuum treatment
- Prior art date
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
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3438—Electrodes other than cathode
-
- 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
- C23C14/02—Pretreatment of the material to be coated
- C23C14/021—Cleaning or etching treatments
-
- 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
- C23C14/02—Pretreatment of the material to be coated
- C23C14/024—Deposition of sublayers, e.g. to promote adhesion of the coating
-
- 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
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
-
- 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
- H01J37/32431—Constructional details of the reactor
- H01J37/32733—Means for moving the material to be treated
- H01J37/32752—Means for moving the material to be treated for moving the material across the discharge
-
- 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
- H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
- H01J37/3405—Magnetron sputtering
-
- 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
-
- 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
- H01J37/3423—Shape
Definitions
- the invention relates to a method for the pretreatment of a coated or uncoated substrate. It further relates to a method for coating a substrate with a functional layer or a layer system and a vacuum treatment system.
- Layer system can be influenced by various factors emanating from the substrate. In addition, other influences, such as imprints of the handling of the cause
- Substrate serving nipples which are often not detectable by visual controls and can not be eliminated by conventional cleaning, unwanted changes in the
- optically effective layer systems affect incident light in different ways and usually Depending on the wavelength, they reflect, absorb and / or transmit at different wavelengths at different wavelengths. Depending on the field of application, these layer systems can therefore be transparent, partially transparent or non-transparent for specific wavelengths.
- the functional layer usually referred to in such a layer system is that layer or layers which directly serves the actual function of the layer system. For pretreatment, various methods have hitherto been considered. In addition to a conventional cleaning in washing and polishing lines, these are mainly different
- glow discharges under vacuum are used which can be carried out in situ and cause an oxidation of impurities and the desorption of water on the surface of the substrate in the plasma.
- oxygenated plasma organic contaminants, eg. For example, remove fingerprints from the glass surface as they become too volatile
- Another pretreatment method uses a linear ion source. This is not for the pretreatment of
- pretreatment can also be carried out with the aid of a sputtering apparatus in which the substrate is used as a sputtering cathode.
- a sputtering apparatus in which the substrate is used as a sputtering cathode.
- the power density is low and, after a long period of operation, the formation of flakes, i. H. interfering particles, possible.
- Object of the present invention is therefore, a
- Substrate materials is suitable.
- the above-mentioned disadvantages should be at least partially avoided.
- Claim 8 relates to a method for coating a substrate with a functional layer or a layer system using a pretreatment according to the invention.
- a method for pretreatment of a substrate is specified by the substrate is subjected to a reactive sputtering process wherein a plasma is generated from a carbonaceous target in an oxygen-containing sputtering atmosphere.
- pretreatment includes both cleaning processes and the deposition of an adhesion-promoting and / or diffusion-barrier layer, through which the adhesion
- barrier layer may also be protection against mechanical stress.
- the primer layer sometimes becomes very thin, i. H. deposited with layer thicknesses below 5 nm, preferably below 1 nm and more preferably below 0.3 nm, and has optically little to no absorption.
- This layer does not necessarily have to form a closed layer and can therefore also be regarded as a so-called seed layer.
- Purification of the substrate surface is used before in a next step, one or more coatings applied to the substrate or other processing, which requires cleaning, are performed.
- the cleaning serves in particular the adhesion improvement for subsequent layers.
- the term purification does not exclude that it is modified by the inventive method to modify and activate the substrate surface, for. B. by changing the layer composition or layer morphology comes. In this respect, the cleaning possibly leads to an influence on the optical
- Substrate surface is understood to mean either the direct surface of the substrate material, for example glass, or the surface of the substrate already changed in a preceding coating process, for example by applying a dielectric coating.
- pretreatment includes both processes for preparing the substrate prior to a first
- Layer deposition and pretreatment in one step or at leastinhalt a process chamber is performed.
- the substrate surface is exposed to a plasma which is formed by reactive sputtering from a carbon-containing target in an oxygen-containing atmosphere.
- Oxygen-containing atmosphere here means that oxygen as a reactive gas to the working gas, eg. As argon, is added.
- the carbonaceous target contains as essential
- Sputtering properties are useful, may be included.
- Such impurities or technological admixtures are usually in the range of less than 1 At .-%, but can also be a few atomic percent, the latter
- the target used can also be 100% carbon.
- the carbon of the carbonaceous target may have all modifications, ie
- Sputtering process DC or AC voltage, single or bipolar pulsed, or combined sputtering can be used.
- Dual magnetrons such as rotating or planar
- Carbon of the target with oxygen from the reactive gas This leads to a particularly intense plasma effect on the substrate.
- carbon and oxygen also react directly with impurities on the substrate surface.
- the resulting reaction products are volatile and do not deposit on the substrate, but become with the
- an adhesion-promoting layer can also be produced in a targeted manner by the pretreatment according to the invention.
- Plant configurations eg B. sputter-up and sputter-down systems are used.
- the inventive method is particularly in
- Belt systems or in-line coaters can be used for substrates of every kind and condition, u. a. Also for cleaning discs in jumbo format.
- previously conventional washing and polishing lines can be made simpler in front of the coating system, under certain conditions, the polishing step can be dispensed with entirely.
- the polishing step can be dispensed with entirely.
- the magnetic field can be strengthened on one side, so that the field lines extend further into the room.
- the sputtering process can also be carried out as a diode discharge, ie glowing. This is associated with a higher voltage, a higher pressure and a smaller distance between the target and the substrate, which may be advantageous depending on the substrate, the process parameters of adjacent processes and the desired result of the pretreatment.
- the sputtering atmosphere in addition to the working gas and
- Oxygen at least one other gas eg. Xenon
- Krypton, radon, hydrogen is supplied, wherein xenon, krypton and radon are also useful as working gas.
- the selection of the at least one further gas is made on the basis of the substrate properties, other process parameters and desired pretreatment result, the deposition of an optically active layer being avoided.
- nitrogen is not used, as this leads to the formation of nitrides.
- the carbon-containing target can specifically admixtures of other elements, for example metals such as aluminum or
- Semi-metals such as silicon, whose concentration is in the ppm range. These may be present both in pure form as well as a component of compounds and / or alloys and serve u. a. the control of the pretreatment by influencing the sputtering process. In addition, the necessary for the process burning voltage is reduced.
- a very thin dielectric layer with a thickness of less than 1 nm to the substrate, which in particular as a non-closed layer, ie in the form of a so-called seed layer, is applied and
- It preferably serves as a primer layer and is primarily using a carbon-containing target with a targeted
- a pretreatment with such a target under deposition of a Seedlayers does not exclude a cleaning. Rather, it can be assumed that the layer deposition runs parallel to the cleaning.
- Process is pretreated.
- the pretreatment according to the invention can be used in all
- Coating process can be integrated, since all process steps can be carried out in a similar pressure range.
- the inventive method for partial or complete oxidation of metals or semiconductors can be used, which are previously deposited by means of another magnetron as a thin metal or semiconductor layer on the substrate.
- the subsequent treatment according to the pretreatment process according to the invention results in oxidation and / or carbonation processes, wherein the top very thin layers of the existing layers as oxide and / or carbide layers are modified to a thickness of ⁇ 1 nm.
- These partial layers do not change the optical behavior of the starting layers and are preferably produced in non-closed form, ie as a so-called seed layer.
- the seed layer is using a
- a vacuum treatment plant for device-side solution of the task comprises a vacuum chamber in which a
- Sputtering cathode with a carbon-containing target and a holding device for a substrate are arranged, wherein the substrate of the sputtering cathode opposite. Furthermore, a gas supply system for the supply of labor and
- Reactive gas present which has a gas inlet for
- This system configuration is for the implementation of the
- uncoated substrate can be achieved.
- Vacuum treatment plant a DC power supply device, so that the method of pretreatment can be performed as a diode discharge.
- At least one anode is particularly advantageously present in the vacuum chamber, which may for example have an L-shape.
- the at least one anode causes a
- two anodes in the space between the sputtering cathode and the substrate are arranged laterally next to the sputtering cathode such that they act as diaphragms and can narrow the sputtering area.
- Sputtering cathode formed as part of a dual magnetron, which is operated at medium frequency voltage.
- Dual magnetron can be both planar and rotating.
- the use of dual magnetrons is used for efficient treatment and system utilization and also allows for the inventive method combinations of the above-mentioned process variants in a compartment of the plant.
- medium-frequency voltage enables a wide selection of targets, since lower demands are placed on the target materials and their conductivity.
- deposits on the target surface e.g. As in the form of oxides, reduced, which otherwise lead to a reduction in the conductivity.
- FIG. 1 cross section of an inventive
- the drawings generally show the schematic structure of a vacuum treatment plant 1 for carrying out the method according to the invention for the pretreatment.
- the illustration is limited to a better overview because of only one coating compartment and shows only the most important components thereof.
- a claim to representation of all components of the plant and real size relationships does not exist.
- Continuous vacuum treatment plant which accordingly has a substrate transport device 7, with the aid of the substrate 6 through a passage 5 in the
- Vacuum chamber 4 is placed in the vacuum space 3.
- the substrate transport device 7 is in
- Substrate transport 8 arranged transport rollers, some of which are designed as driven transport rollers. Alternatively, the pretreatment of the substrate 6 would also be in a discontinuous manner
- Vacuum treatment plant 1 possible.
- the vacuum treatment plant 1 is a planar Magnetron 9 as a sputtering cathode, which comprises a planar target 10, equipped, wherein the target 10 as
- the substrate is arranged opposite the magnetron 9.
- the target-substrate distance is 120 mm.
- a sputter-down system is used in which the substrate 6 is located below the target 10.
- Plant configuration eg As a sputter-up system can be used.
- a gas supply system 14 the process gas (working ⁇ and reactive gas) introduced into the vacuum chamber 2, whereby at least oxygen is used as the reactive gas. Furthermore, in the vacuum space 3, two L-shaped anodes 13 laterally from
- Magnetron 9 arranged. They serve as diaphragms for
- Vacuum treatment plant 1 To power the
- Magnetron 9 is a DC power supply 12th
- a plasma is ignited.
- the sputtering process is in the embodiment at a
- the second embodiment differs from the first embodiment due to the use of a magnetron 9 having two rotating cylindrical targets 10 in place of the planar targets 10 and inside each target 10 a magnet system 11.
- the magnetrons 9 according to FIG. 2 are connected to an AC power supply 12, which in the
- Process voltage and substrate transport speed are adapted to the changed configuration.
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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
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112013002366.0T DE112013002366A5 (de) | 2012-06-22 | 2013-06-24 | Verfahren und Vorrichtung zur Vorbehandlung eines beschichteten oder unbeschichteten Substrats |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102012210568 | 2012-06-22 | ||
DE102012210568.9 | 2012-06-22 | ||
DE102012110045 | 2012-10-22 | ||
DE102012110045.4 | 2012-10-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013190141A1 true WO2013190141A1 (de) | 2013-12-27 |
Family
ID=48703468
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2013/063112 WO2013190141A1 (de) | 2012-06-22 | 2013-06-24 | Verfahren und vorrichtung zur vorbehandlung eines beschichteten oder unbeschichteten substrats |
Country Status (2)
Country | Link |
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DE (1) | DE112013002366A5 (de) |
WO (1) | WO2013190141A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017092906A1 (de) * | 2015-11-30 | 2017-06-08 | Von Ardenne Gmbh | Beschichtungsanordnung, substratträger und verfahren |
CN114059016A (zh) * | 2021-11-02 | 2022-02-18 | Oppo广东移动通信有限公司 | 镀膜前处理方法、装置、外观件制备方法和电子设备 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0231894A1 (de) * | 1986-01-31 | 1987-08-12 | Kabushiki Kaisha Meidensha | Verfahren zur Herstellung eines Kohlenstoffilmes |
US5106474A (en) * | 1990-11-21 | 1992-04-21 | Viratec Thin Films, Inc. | Anode structures for magnetron sputtering apparatus |
US5830332A (en) * | 1995-01-26 | 1998-11-03 | International Business Machines Corporation | Sputter deposition of hydrogenated amorphous carbon film and applications thereof |
DE10347521A1 (de) * | 2002-12-04 | 2004-06-24 | Leybold Optics Gmbh | Verfahren zur Herstellung Multilayerschicht und Vorrichtung zur Durchführung des Verfahrens |
US20070031633A1 (en) * | 2005-07-08 | 2007-02-08 | Kabushiki Kaisha Toshiba | Sputtering target, optical thin film and manufacturing method thereof using the sputtering target, and optical recording medium |
EP2316983A1 (de) * | 2008-08-19 | 2011-05-04 | Kabushiki Kaisha Kobe Seiko Sho | Stickstoffhaltiger amorpher kohlenstofffilm, amorpher geschichteter kohlenstofffilm und gleitelement |
-
2013
- 2013-06-24 WO PCT/EP2013/063112 patent/WO2013190141A1/de active Application Filing
- 2013-06-24 DE DE112013002366.0T patent/DE112013002366A5/de active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0231894A1 (de) * | 1986-01-31 | 1987-08-12 | Kabushiki Kaisha Meidensha | Verfahren zur Herstellung eines Kohlenstoffilmes |
US5106474A (en) * | 1990-11-21 | 1992-04-21 | Viratec Thin Films, Inc. | Anode structures for magnetron sputtering apparatus |
US5830332A (en) * | 1995-01-26 | 1998-11-03 | International Business Machines Corporation | Sputter deposition of hydrogenated amorphous carbon film and applications thereof |
DE10347521A1 (de) * | 2002-12-04 | 2004-06-24 | Leybold Optics Gmbh | Verfahren zur Herstellung Multilayerschicht und Vorrichtung zur Durchführung des Verfahrens |
US20070031633A1 (en) * | 2005-07-08 | 2007-02-08 | Kabushiki Kaisha Toshiba | Sputtering target, optical thin film and manufacturing method thereof using the sputtering target, and optical recording medium |
EP2316983A1 (de) * | 2008-08-19 | 2011-05-04 | Kabushiki Kaisha Kobe Seiko Sho | Stickstoffhaltiger amorpher kohlenstofffilm, amorpher geschichteter kohlenstofffilm und gleitelement |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017092906A1 (de) * | 2015-11-30 | 2017-06-08 | Von Ardenne Gmbh | Beschichtungsanordnung, substratträger und verfahren |
CN114059016A (zh) * | 2021-11-02 | 2022-02-18 | Oppo广东移动通信有限公司 | 镀膜前处理方法、装置、外观件制备方法和电子设备 |
Also Published As
Publication number | Publication date |
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DE112013002366A5 (de) | 2015-02-26 |
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