WO2021109424A1 - 电极支架、支撑结构、支架、镀膜设备及应用 - Google Patents
电极支架、支撑结构、支架、镀膜设备及应用 Download PDFInfo
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- WO2021109424A1 WO2021109424A1 PCT/CN2020/086525 CN2020086525W WO2021109424A1 WO 2021109424 A1 WO2021109424 A1 WO 2021109424A1 CN 2020086525 W CN2020086525 W CN 2020086525W WO 2021109424 A1 WO2021109424 A1 WO 2021109424A1
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- Prior art keywords
- support
- reaction chamber
- electrode
- coating equipment
- supporting
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/515—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using pulsed discharges
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/50—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges
- C23C16/513—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating using electric discharges using plasma jets
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- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
- C23C16/458—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating characterised by the method used for supporting substrates in the reaction chamber
- C23C16/4582—Rigid and flat substrates, e.g. plates or discs
- C23C16/4583—Rigid and flat substrates, e.g. plates or discs the substrate being supported substantially horizontally
Definitions
- the invention relates to the field of surface treatment, in particular to electrode holders, supporting structures, holders, coating equipment and applications.
- Plasma-assisted deposition, injection and surface modification are important means of coating and modifying the surface of materials. Since the low-pressure discharge process is in a non-equilibrium state, the thin film that needs to be formed under high temperature conditions can also be formed under low temperature conditions. The deposition is produced, and the performance of the film can be improved under this condition, and the film with non-equilibrium chemical composition and various amorphous morphologies can be deposited.
- Chemical vapor deposition is a deposition process that uses the principle of chemical reaction to separate solid phase substances from gaseous substances and deposit them on the working surface to form a coating film (Li Jingui, Xiao Dingquan, Modern Surface Engineering Design Manual, Beijing: National Defense Industry Press, 2000).
- Physical vapor deposition refers to a vapor deposition process performed under vacuum conditions when at least one deposition element is atomized (atomized) (Li Jingui, Xiao Dingquan, Modern Surface Engineering Design Manual, Beijing: National Defense Industry Press, 2000 ).
- the uniformity of the deposition thickness on the sample surface is one of the important indicators for evaluating the coating effect.
- the sample In most current preparation environments, the sample needs to be held in a reaction chamber and then in an electric field. The reaction gas is activated in the electric field environment and then deposited on the surface of the sample.
- the usual method is to set up two larger electrode plates, which are used as positive and negative electrodes, respectively.
- the discharge between the two electrode plates forms an electric field, so that the reaction gas can settle under the action of the electric field.
- To the sample surface When the number of samples to be plated is large, in order to save space, these samples may be stacked in the height direction, and the two electrode plates will be arranged in the height direction. This arrangement makes some samples close to the electrode plate, and some The sample is far away from the electrode plate. Obviously, this is not conducive to the uniformity of the surface film of the sample.
- the samples will be arranged horizontally, which correspondingly requires the area size of the electrode plate to be enlarged, so that the area size of the entire reaction chamber is enlarged, which is obviously not conducive to improving the space utilization of the coating equipment.
- An advantage of the present invention is to provide an electrode holder, support structure, holder, coating equipment and application, wherein the electrode holder can evenly carry the workpiece to be coated and can be used as an electrode.
- Another advantage of the present invention is to provide an electrode holder, supporting structure, holder, coating equipment and application, wherein the electrode holder can be used as a cathode and the wiring of the electrode holder and the external power source is relatively simple.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein at least part of the electrode support can be used as an anode and at least part can be used as a cathode.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the electrode support includes a multi-layer support member, wherein the polarity of the multi-layer support member can be easily changed as needed .
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the electrode support can also be used for gas supply.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure can be used as an electrode and can also support the workpiece to be coated.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure can be arranged in multiple layers in the height direction to accommodate more workpieces to be coated.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure can support the workpiece to be coated in a fixed position, so as to help keep the workpiece to be coated in a stable s position.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure can play a role of guiding the raw material gas while playing a supporting role.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure includes a plurality of staggered support members, the staggered support members form a vent to facilitate the support structure Opposite the flow and diffusion of gas on both sides.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure is a mesh structure to help reduce the weight of the entire support.
- An advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein at least part of the support structure can be used as an electrode, and at least part of the support structure can support the workpiece to be coated effect.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support structure includes a plate main body and at least one electrode element, wherein the electrode element is arranged on the plate main body,
- the electrode member can be used as an electrode, and the plate main body can play a supporting role.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the electrode assembly includes a plurality of interlaced electrode members, and the interlaced electrode members form air ports to facilitate the support The flow and diffusion of gas on opposite sides of the structure.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein at least part of the support structure is a mesh structure to help reduce the weight of the entire support.
- Another advantage of the present invention is to provide an electrode support, support structure, support, coating equipment and applications, wherein the support can support the workpiece to be coated at a lower position of the plate body to separate adjacent ones.
- the workpieces to be coated are thus beneficial to reduce the mutual interference of the workpieces to be coated.
- the present invention provides an electrode holder applied to a coating equipment for coating at least one workpiece to be coated, wherein the coating equipment includes a reaction chamber and a pulse power supply, wherein the pulse power supply For providing a pulsed electric field in the reaction chamber, wherein the electrode holder includes:
- a stent member arranged in multiple layers, wherein the stent members of each layer are respectively maintained at a preset interval, and the stent members of at least one layer are conductively connected to the pulse power source to serve as the pulse power source cathode.
- the present invention provides a support structure applied to a coating equipment for supporting at least one workpiece to be coated, wherein the coating equipment includes a reaction chamber and a reaction chamber, characterized in that: The support structure is accommodated in the reaction chamber and supported by the reaction chamber, and the support structure is conductively connected to a discharge device of the coating equipment to discharge as an electrode.
- the present invention provides a bracket applied to a coating equipment for supporting at least one workpiece to be coated, wherein the coating equipment includes a reaction chamber and the reaction chamber has a reaction chamber, the The stent is accommodated in the reaction chamber, wherein the stent includes:
- At least one connecting piece wherein the connecting piece supports the support structure in the reaction chamber of the coating equipment, the support structure is held at the connecting piece layer by layer at intervals, and the support structure is conductively connected
- a discharge device connected to the coating equipment serves as an electrode for discharge.
- the present invention provides a coating equipment for coating at least one workpiece to be coated, wherein the coating equipment includes:
- reaction cavity wherein the reaction cavity has a reaction cavity
- a discharge device wherein the discharge device is used to provide an electric field to the reaction chamber
- a gas supply part wherein the gas supply part is used to supply gas to the reaction chamber;
- a support wherein the support is held in the reaction chamber, the support includes a plurality of support structures and at least one connecting member, wherein the connecting member supports the support structure in the reaction chamber of the coating equipment, so
- the supporting structure is held on the connecting piece layer by layer at intervals, and the supporting structure is conductively connected to a discharge device of the coating equipment to discharge as an electrode, and the coating workpiece is supported on the support and
- the chemical vapor deposition method is coated in the reaction chamber.
- the present invention provides a coating equipment for coating at least one workpiece to be coated, and the coating equipment includes:
- reaction cavity wherein the reaction cavity has a reaction cavity
- a discharge device wherein the discharge device is used to provide an electric field to the reaction chamber;
- a support wherein the support is held in the reaction chamber, the support includes at least one support structure, the support structure is accommodated in the reaction chamber and supported by the reaction chamber, the support structure is It is conductively connected to the discharge device for discharging as an electrode, and the coated workpiece is supported on the support and coated in the reaction chamber by chemical vapor deposition.
- the present invention provides a stand applied to a coating equipment, wherein the coating equipment includes a reaction chamber and the reaction chamber has a reaction chamber, wherein the support includes:
- a plurality of supporting structures wherein at least one of the supporting structures includes a plurality of supporting members and has a plurality of vents, wherein the supporting members are staggered to form the vents and the supporting structures are held in the reaction at intervals
- the support structure is conductively connected to a discharge device of the coating equipment to discharge as an electrode.
- the present invention provides a coating equipment for coating at least one workpiece to be coated, which includes:
- reaction cavity wherein the reaction cavity has a reaction cavity
- a discharge device wherein the discharge device is used to provide an electric field to the reaction chamber
- a gas supply part wherein the gas supply part is used to supply gas to the reaction chamber;
- the bracket is held in the reaction chamber, and the coated workpiece is supported on the bracket and coated in the reaction chamber by chemical vapor deposition.
- the present invention provides a support structure for a coating equipment to support at least one workpiece to be coated, wherein the coating equipment includes a reaction chamber and has a reaction chamber, wherein the support structure is accommodated In the reaction chamber and supported by the reaction chamber, wherein the support structure includes a plate main body and at least one electrode element, wherein the electrode element is arranged on the plate main body, and the electrode element is conductively
- a discharge device connected to the coating equipment serves as an electrode for discharge.
- the present invention provides a support that is applied to a coating equipment to support at least one workpiece to be coated, wherein the coating equipment includes a reaction chamber and has a reaction chamber, and the support includes:
- a plurality of supporting structures wherein the supporting structure includes a plate main body and at least one electrode element, wherein the electrode element is arranged on the plate main body, the plate main body is used to support the workpiece to be coated, and the electrode element is
- a discharge device of the coating equipment can be electrically connected to discharge the electrode.
- the present invention provides a coating equipment for coating at least one workpiece to be coated, wherein the coating equipment includes:
- reaction cavity wherein the reaction cavity has a reaction cavity
- a discharge device wherein the discharge device is used to provide an electric field to the reaction chamber
- a gas supply part wherein the gas supply part is used to supply gas to the reaction chamber;
- a support wherein the support includes a plurality of support structures, wherein the support structure includes a plate main body and at least one electrode element, wherein the electrode element is arranged on the plate main body, and the electrode element is conductively connected
- a discharge device connected to the coating equipment serves as an electrode discharge
- the support structure is conductively connected to the discharge device to serve as an electrode discharge
- the coated workpiece is supported on the board body and deposited by chemical vapor deposition The method is coated in the reaction chamber.
- the present invention provides a working method of an electrode holder, which includes the following steps:
- At least one layer of the support member of the electrode support is connected to a pulsed power source to discharge around at least one workpiece to be coated to form a pulsed electric field, wherein the support member serves as a cathode of the pulsed electric field.
- the present invention provides a working method of a stent, which includes the following steps:
- At least one support structure of a stent is connected to a pulsed power source to discharge around at least one workpiece to be coated to form a pulsed electric field, wherein the supporting member serves as a cathode of the pulsed electric field;
- the gas diffuses through the vent of the supporting structure.
- Fig. 1 is a schematic diagram of an electrode holder according to a preferred embodiment of the present invention.
- Fig. 2 is a schematic diagram of a coating equipment according to a preferred embodiment of the present invention.
- Fig. 3A is a schematic diagram of another embodiment of the electrode holder according to the above-mentioned preferred embodiment of the present invention.
- Fig. 3B is a schematic diagram of another embodiment of the electrode holder according to the above-mentioned preferred embodiment of the present invention.
- Fig. 4 is a schematic diagram of another embodiment of the electrode holder according to the above-mentioned preferred embodiment of the present invention.
- Fig. 5 is a schematic diagram of a bracket according to a preferred embodiment of the present invention.
- Fig. 6A is a schematic diagram of a plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 6B is a schematic view of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention from another perspective.
- Fig. 7 is a schematic diagram of another embodiment of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 8 is a schematic diagram of another embodiment of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 9 is a schematic diagram of another embodiment of the stent according to the above-mentioned preferred embodiment of the present invention.
- Fig. 10A is a schematic diagram of another embodiment of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 10B is a schematic diagram of another embodiment of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 11A is a schematic diagram of another embodiment of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 11B is a schematic diagram of another embodiment of the plate structure of the bracket according to the above-mentioned preferred embodiment of the present invention.
- Fig. 12 is a schematic diagram of a coating equipment according to a second preferred embodiment of the present invention.
- Fig. 13 is a schematic diagram of another embodiment of the coating equipment according to the above-mentioned preferred embodiment of the present invention.
- the term “a” should be understood as “at least one” or “one or more”, that is, in one embodiment, the number of an element may be one, and in another embodiment, the number of the element The number can be multiple, and the term “one” cannot be understood as a restriction on the number.
- the present invention provides an electrode holder 10 and a coating device 1, wherein the coating device 1 can be used to prepare various types of coatings, such as DLC coatings.
- the coating device 1 uses plasma enhanced chemical deposition (PECVD) technology to chemically deposit a film layer on the surface of a workpiece to be coated.
- PECVD plasma enhanced chemical deposition
- the workpiece to be coated is placed in a reaction chamber 20 of the coating device 1 for plasma enhanced chemical vapor deposition to form the film layer on the surface of the workpiece to be coated.
- the plasma enhanced chemical vapor deposition (PECVD) process has many advantages: (1) Dry deposition does not require the use of organic solvents; (2) The etching effect of the plasma on the surface of the substrate makes the The deposited film has good adhesion to the substrate; (3) The coating can be uniformly deposited on the surface of the irregular substrate, and the gas permeability is extremely strong; (4) The coating can be designed well, compared to the liquid phase method with micron-level control accuracy The chemical vapor method can control the coating thickness at the nanometer scale; (5) The coating structure is easy to design. The chemical vapor method uses plasma activation, and the composite coating of different materials does not need to design a specific initiator for initiation.
- a variety of raw materials can be compounded together through the control of input energy; (6)
- the compactness is good, and the chemical vapor deposition method often activates multiple active sites during the plasma initiation process, similar to a molecule in a solution reaction
- There are multiple functional groups on the surface and the molecular chains form a cross-linked structure through multiple functional groups; (7)
- As a coating treatment technology its universality is excellent, and the range of coating objects and raw materials used for coating are very wide. wide.
- the electrode holder 10 provided by the present invention can be used as a radio frequency power supply or an electrode of a pulse power supply. While supporting the workpiece to be coated, it can provide a radio frequency electric field or a pulsed electric field around the workpiece to be coated. This is beneficial to provide the space utilization rate of the entire reaction chamber 20.
- the electrode holder 10 includes a multilayer holder member 11, wherein the multilayer holder member 11 is held in a reaction chamber 20 of the coating device 1 ⁇ Reaction chamber 200.
- the workpiece to be coated can be placed on one layer or multiple layers of the multi-layer support member 11 of the electrode support 10.
- the electrode holder 10 includes at least one connecting member 12, wherein the connecting member 12 is arranged around the support member 11 for supporting each of the support members 11 at a predetermined height. A predetermined distance is maintained between the adjacent support members 11 to allow reactants to enter between the adjacent support members 11 to deposit on the workpiece to be coated supported on the support member 11 s surface.
- the shape of the support member 11 is rectangular.
- the shape of the support member 11 can be, but is not limited to, triangular, circular or other shapes.
- the shape of the support member 11 and the shape of the cross-section formed by the inner wall of the reaction chamber 20 are similar.
- the distance from the periphery of the support member 11 to the inner wall of the reaction chamber 20 is equal to facilitate the uniformity of gas diffusion.
- the number of the connecting members 12 is four, which are respectively located at the four corners of the bracket member 11.
- the connecting member 12 may be implemented as a column, and the column can be erected on the reaction chamber 20.
- the electrode holder 10 is provided with at least one insulating member 13, wherein the insulating member 13 is made of an insulating material, such as polytetrafluoroethylene.
- the insulating member 13 is disposed at the bottom end of the connecting member 12.
- the electrode holder 10 is supported on the reaction chamber 20, and the insulating member 13 located at the bottom end of the connecting member 12 of the electrode holder 10 is supported on the electrode holder 10.
- the reaction chamber 20 is supported on the reaction chamber 20.
- the insulating member 13 may be arranged at other connecting positions of the electrode holder 10 and the reaction chamber 20.
- the electrode holder 10 is held in the reaction chamber of the reaction chamber body 20 in a hanging manner, then the insulating member 13 may be provided at the top of the connecting member 12.
- the installation position of the insulating member 13 can be changed based on the change of the installation position of the electrode holder 10 and the reaction chamber 20.
- the entire electrode holder 10 may be conductively connected to the pulse power source to serve as the cathode of the pulse power source.
- the coating equipment 1 includes the reaction chamber 20 and a discharge device 30, wherein the discharge device 30 is used to provide a pulse electric field and a radio frequency electric field for the reaction chamber of the reaction chamber 20.
- the discharge device 30 includes the pulse power supply 31 and the radio frequency power supply 32, the pulse power supply 31 is used to provide the pulse electric field, and the radio frequency power supply 32 is used to provide the radio frequency electric field.
- the radio frequency power supply 32 can provide the radio frequency electric field to the reaction chamber 20 in an electrodeless manner.
- the pulse power source 31 may be conductively connected to the entire electrode holder 10 to use the electrode holder 10 as the cathode of the pulse power source 31. It is understandable that at least part of the reaction chamber 20 may be made of conductive materials, so that at least part of the reaction chamber 20 can be used as an anode, for example, is conductively connected to the pulse power supply.
- the anode of 31 is either grounded so that there is a potential difference between the inner wall of the reaction chamber 20 and the electrode holder 10.
- the radio frequency power supply 32 is conductively connected to the reaction chamber 20 so that the reaction chamber 20 serves as an anode and the electrode holder 10 which is connected to the pulse power supply 31 as a cathode. It produces a potential difference.
- the workpiece to be coated When the workpiece to be coated is placed on any layer of the electrode holder 10, the workpiece to be coated can be coated relatively quickly.
- the radio frequency power supply 32 and/or the pulse power supply 31 can discharge the raw materials so that the entire reaction chamber 200 is in a plasma environment, and the reaction gas is in a high-energy state.
- the pulse power source 31 generates a strong electric field during the discharge process, and the strong electric field is located near the workpiece to be coated, so that the active ions in the plasma environment are accelerated by the strong electric field to deposit on the surface of the substrate.
- the reactive gas is deposited on the surface of the workpiece to be coated under the action of a strong electric field to form an amorphous carbon network structure.
- the pulse power source 31 is not discharged, the film layer deposited on the workpiece to be coated is used to freely relax the amorphous carbon network structure.
- the carbon structure changes to the stable phase---the curved graphene sheet structure It is transformed and buried in the amorphous carbon network to form a transparent graphene-like structure.
- the support member 11 of the electrode support 10 as a cathode connected to the pulse power source 31 is disposed under the workpiece to be coated.
- the positive ions in the plasma under the action of the pulse electric field move toward the workpiece to be coated under the action of the pulse electric field to deposit on the workpiece. Describe the surface of the workpiece to be coated.
- the plasma includes a conductive gaseous medium with both electrons and positive ions.
- the electrode holder 10 as a cathode is arranged around the workpiece to be coated, the positive ions in the plasma can be accelerated to deposit toward the surface of the workpiece to be coated.
- the coating speed of the workpiece to be coated is improved.
- positive ions bombard the surface of the workpiece to be coated, which is beneficial to the strength of the film layer on the surface of the workpiece to be coated.
- the gas injected into the reaction chamber 20 may be a reactive gas.
- the reactive gas may be C x H y , where x is an integer from 1-10, and y is an integer from 1-20.
- the reaction gas may be a single gas or a mixed gas.
- the reaction gas may be gaseous methane, ethane, propane, butane, ethylene, acetylene, propylene or propyne under normal pressure, or may be vapor formed by evaporation under reduced pressure or heating.
- the raw material that is liquid at room temperature may also be supplied to the reaction chamber 200 in a gaseous manner through the gas supply part.
- the gas can be plasma source gas, can be but not limited to inert gas, nitrogen, fluorocarbon, inert gas is exemplified but not limited to helium or argon, fluorocarbon can be but not limited to Carbon tetrafluoride.
- the plasma source gas can be a single gas, or a mixture of two or more gases.
- the gas can be an auxiliary gas, and the auxiliary gas can cooperate with the reaction gas to form a film layer to give the film layer some expected characteristics, such as the strength of the film layer, and the flexibility of the film layer.
- the auxiliary gas can be a non-hydrocarbon gas, such as nitrogen, hydrogen, fluorocarbon gas, and so on.
- the auxiliary gas can be supplied to the reaction chamber 20 at the same time as the reaction gas, or can be passed in in a sequence according to requirements.
- the addition of auxiliary gas can adjust the ratio of the elements in the film, the ratio of carbon-hydrogen bonds, carbon-nitrogen bonds, and nitrogen-hydrogen bonds, thereby changing the properties of the film.
- both the support member 11 and the connecting member 12 are conductively connected to the pulse power source 31 of the discharge device 30.
- both the support member 11 and the connecting piece 12 are made of conductive materials.
- bracket member 11 can be conductively connected to the connector 12, or the bracket member 11 and the connector 12 can be conductively connected.
- the connecting member 12 is integrally formed in a conductive manner. Through the connecting piece 12, the multiple support members 11 can be connected to the pulse power source 31 located outside the reaction chamber 20.
- the electrode holder 10 and the pulse power source 31 located outside the reaction chamber 20 can be connected without complicated wiring.
- one of the plurality of connecting members 12 is made of a conductive material, the connection between the plurality of bracket members 11 and the connecting member 12 can be realized. .
- the connecting member 12 may be hollow or solid. When the connecting member 12 is hollow, the wire can pass through the connecting member 12 so as not to be exposed to the outside.
- the connecting piece 12 and the support member 11 are detachably mounted to each other.
- the support member 11 may need to be replaced, which is beneficial to the electrode support 10
- the type of the support member 11 is replaced or later maintained.
- each of the support members 11 may be made of conductive material
- the connecting member 12 may be made of insulating materials
- each of the support members 11 may be made of an independent material.
- the ground is connected to the discharge device 30.
- the support member 11 has a plurality of gas distribution ports 110, wherein the gas distribution ports 110 are evenly arranged, and the gas passes through the gas distribution ports 110 of the support member 11 to facilitate the gas in the electrode support 10 uniform distribution.
- the shape of the air distribution port 110 is set to be a horn shape and an inverted horn shape.
- the diameter range of the air distribution port 110 is about 2mm to 3mm, the length and width of the support member 11 can range from 500mm*500mm to 600mm*600mm, and the distance between adjacent support members 11 can be 10mm ⁇ 200mm .
- the coating equipment 1 further includes an air extraction device 40, a feeding device 50, and a control device 60, wherein the air extraction device 40 and the feeding device 50 are respectively communicably connected to the The reaction chamber 20, the air extraction device 40, the feed device 50 and the discharge device 30 are respectively controllably connected to the control device 60.
- the control device 60 is used to control the feed flow rate, ratio, pressure, discharge size, discharge frequency and other parameters in the reaction chamber 20 to make the entire coating process controllable.
- the feeding device 50 can input Ar/N 2 /H 2 /CH 4 toward the reaction chamber 20 at a flow rate of 50 to 500 sccm, and input C toward the reaction chamber 20 at a flow rate of 10 to 200 sccm.
- 2 H 2 /O 2 and the suction device 40 can control the vacuum degree of the reaction chamber 20 before coating to be less than 2 ⁇ 10 -3 Pa. After the coating is started, the coating vacuum degree of the reaction chamber 20 can be maintained at 0.1-20 Pa.
- the voltage generated by the discharge device 30 can be maintained at -300V to -3500V, duty cycle: 5-100%, and frequency: 20-360KHz.
- the coating time is approximately between 0.1 hour and 5 hours.
- the thickness of the coating is not more than 50nm. Of course, with the extension of the coating time, the thickness of the coating can become thicker.
- a transparent film layer can be obtained.
- an inorganic film layer such as a diamond-like carbon film layer
- the coating device 1 can be obtained by using the coating device 1.
- the CxHy flow rate is 50-1000 sccm
- the inert gas flow rate is 10 to 200 sccm
- the H 2 gas flow rate is 0 to 100 sccm
- the vacuum reaction chamber 100 pressure is 0.01 Pa to 100 Pa
- the radio frequency power is 10 to 800 W
- the bias power supply voltage is -100V ⁇ -5000V, duty ratio 10% ⁇ 80%, coating time 5-300min.
- the flow ratio between different gases determines the atomic ratio of the obtained DLC film and affects the quality of the film.
- the size of the power source of the discharge device 30 determines the temperature rise, ionization rate, and deposition rate of the ionization process. Parameters, too short coating time will make the film thinner and poorer hardness performance, too long coating time will make the film thicker, affecting transparency.
- FIG. 3A With reference to Fig. 3A, and with reference to Fig. 1 and Fig. 2 at the same time, another embodiment of the electrode holder 10 according to the above-mentioned preferred embodiment of the present invention is illustrated.
- the electrode holder 10 includes multiple layers of the holder member 11, and at least part of the holder member 11 of the electrode holder 10 is conductively connected to the pulse power source 31 to serve as a cathode. At least part of the support member 11 is conductively connected to the radio frequency power supply 32 to serve as an anode.
- the workpiece to be coated may be placed on the support member 11 as a cathode.
- the electrode holder 10 is respectively connected to the radio frequency power source 32 and the pulse power source 31 to serve as an anode and a cathode, and the cathode and the anode may be alternately arranged.
- the holder members 11 of the first, third, and fifth layers can be used as anodes, and the holders of the second, fourth, and sixth layers can be used as anodes.
- the member 11 can be used as a cathode, the workpiece to be coated can be placed on the support member 11 of the second layer, the fourth layer, and the sixth layer.
- the distance from the bracket member 11 of the first layer to the bracket member 11 of the second layer, the distance from the bracket member 11 of the third layer to the bracket member 11 of the fourth layer, and the distance from the bracket member 11 of the fifth layer may be the same, so as to facilitate the creation of a similar environment for the support members 11 in different layers, and to facilitate the waiting members at different positions.
- the uniformity of the coating of the coated workpiece may be the same, so as to facilitate the creation of a similar environment for the support members 11 in different layers, and to facilitate the waiting members at different positions.
- the support members 11 of the first layer, the third layer and the fifth layer as the anode are respectively connected to the radio frequency power supply 32, and the support members 11 as the second layer, the fourth layer and the sixth layer of the cathode are respectively connected.
- the holder members 11 are respectively connected to the pulse power source 31.
- adjacent support members 11 connected to different power sources may be insulated from each other by an insulating member 13', that is, at least part of the connecting member 12 may be insulated from each other. It is made of material so that the adjacent support members 11 can be insulated from each other.
- Each of the support members 11 can be independently and electrically connected to the pulse power supply 31 or the radio frequency power supply 32, for example, as shown in FIG. 3B.
- the connecting member 12 may include at least two conductive parts and at least one insulating part, wherein the insulating part isolates the conductive part, and the conductive part is conductively connected to at least one layer of the support member 11.
- the multiple layers of the support member 11 serving as anodes are conductively connected to one of the connecting members 12, and the multiple layers of the support member 11 serving as cathodes are conductively connected to the other one. ⁇ 12 ⁇ The connecting piece 12.
- it may be the connecting piece 12A and the connecting piece 12B, wherein the multiple layers of the support member 11 as an anode are conductively connected to the connecting piece 12A, and the connecting piece 12B and The multiple layers of the support members 11 as anodes are insulated from each other.
- the multiple layers of the support member 11 as a cathode are conductively connected to the connector 12B, and the connector 12A and the multiple layers of the support member 11 as a cathode are insulated from each other.
- connection between the electrode holder 10 and the discharge device 30 becomes very simple, no complicated wiring is required for each of the holder members 11, and at the same time, it is possible to avoid the holder member 11 and the The complicated connection lines between the discharge devices 30 adversely affect the coating environment.
- the other layers of the multi-layered support member 11 may be grounded or connected to the pulse power source 31 to serve as the anode of the pulse power source 31.
- the polarity of the support member 11 of the electrode support 10 can be changed as required.
- the support member 11 of the second layer can be used as a cathode.
- the connection between the support member 11 and the discharge device 30 of the second layer it can be achieved by changing the connection between the support member 11 and the discharge device 30 of the second layer.
- the connection between the support member 11 of the electrode support 10 and the outside world can also be changed very conveniently.
- the connection between the support members 11 of the electrode support 10 and the outside can be conveniently changed.
- the connecting member 12 is changed from the pulse power source 31 to be connected to the radio frequency power source 32.
- the coating equipment 1 includes a gas supply part 70, wherein the gas supply part 70 is communicably connected to the feeding device 50, and the gas supply part 70 is located in the reaction chamber.
- the gas supply part 70 is provided on the holder member 11 as an anode.
- the bracket member 11 forms a gas channel 1100 and the bracket member 11 is formed with a plurality of gas distribution ports 110, wherein the gas distribution ports 110 are respectively connected to the gas channels 1100 so that the gas channels 1100 The gas inside can be transported to the air distribution port 110.
- the support member 11 serving as the anode When the support member 11 serving as the anode is connected to the radio frequency power supply 32, at least part of the gas in the gas channel 1100 can be ionized to generate plasma, and then leave the position of the gas distribution port 110. ⁇ Channel 1100.
- the pulse power source 31 applied to the support member 11 as the cathode the positive ions in the plasma accelerate toward the support member 11 as the cathode, which is beneficial to shorten the coating time and facilitate the coating strength. Then, the workpiece to be coated on the support member 11 serving as the cathode is coated.
- the air distribution ports 110 are evenly arranged on the support member 11 as the anode and face the support member 11 of the next layer.
- the gas distribution port 110 can penetrate deep into the electrode holder 10, thereby helping to reduce the unevenness of the gas and the uniformity of the coating.
- the gas supply part 70 may also be provided on the connecting member 12.
- the connecting member 12 is a hollow column
- the gas channel 1100 can be formed inside the connecting member 12 and connected to the air distribution port 110 formed on the surface of the connecting member 12, so that Air is distributed around the support member 11.
- the gas can be evenly distributed around the workpiece to be coated, so as to facilitate the uniformity of subsequent coating.
- FIG. 4 it is another embodiment of the electrode holder 10 according to the above-mentioned preferred embodiment of the present invention.
- the electrode holder 10 includes multiple layers of the holder member 11, and the holder member 11 includes a first part holder member 111 and a second part holder member 112, wherein the first part holder member 111 and the second part
- the bracket members 112 are insulated from each other, and the first partial bracket member 111 is supported on the second partial bracket member 112.
- the workpiece to be coated may be placed on the first part of the support member 111 of the support member 11.
- the first part of the support member 111 is conductively connected to the pulse power source 31 as a cathode, and the second part of the support member 112 is used as the gas supply part 70 for gas distribution.
- the air distribution port 110 is formed in the second part of the support member 112 and faces the support member 11 of the next layer.
- the second partial support member 112 can form the gas passage 1100, and the gas passage 1100 is connected to the gas distribution port 110.
- the gas leaves the second part of the support member 112 from the gas distribution port 110, under the action of the radio frequency electric field and/or the pulsed electric field, at least part of the gas can be ionized to form plasma, and then the plasma
- the positive ions in the middle can accelerate toward the first partial support member 111 located below, so as to deposit on the surface of the workpiece to be coated that is supported on the first partial support member 111 of the support member 11.
- the second part of the support member 112 may be conductively connected to the radio frequency power supply 32, so that the gas can be ionized at the position of the second part of the support member 112, and then in the first part as a cathode.
- the support member 111 accelerates movement toward the workpiece to be coated.
- the support member 11 of each layer can be placed with the workpiece to be coated, which is beneficial to increase the space utilization of the electrode support 10.
- first part of the support member 111 of each support member 11 can be conductively connected to one of the connecting members 12, so as to be easily connected to the outside.
- the second part of the support member 112 may be conductively connected to the other connecting member 12 so as to be easily connected to the outside.
- first partial support member 111 and the second partial support member 112 of each support member 11 are insulated from each other.
- the present invention provides a working method of the electrode holder 10, which includes the following steps:
- At least one layer of the support member 11 of the electrode support 10 is connected to the pulse power source 31 to discharge around at least one of the workpieces to be coated to form the pulse electric field, wherein the support member 11 serves as the pulse electric field cathode.
- the support member 11 and the pulse power source 31 located outside the reaction chamber 20 are conducted through at least one of the uprights supported on the support member 11 , Wherein the electrode holder 10 is located in the reaction chamber 20.
- the working method of the electrode holder 10 further includes the following steps:
- At least one layer of the support member 11 of the electrode support 10 is connected to the pulse power source 31 to serve as the anode of the pulse power source 31, so as to serve as the anode of the pulse power source 31 and the cathode of the pulse power source 31.
- the pulsed electric field is formed between.
- the working method of the electrode holder 10 further includes the following steps:
- At least one layer of the support member 11 of the electrode support 10 is connected to the radio frequency power source 32 to serve as the anode of the radio frequency power source 32, so as to serve as the anode of the radio frequency power source 32 and the cathode of the pulse power source 31.
- the radio frequency electric field and the pulse electric field are formed therebetween.
- the working method of the electrode holder 10 further includes the following steps:
- the ionized gas is accelerated to move toward the worker to be coated under the action of the cathode of the pulse power source 31.
- the present invention provides a support structure 911 and a support 910, wherein the support 910 can be placed in a coating device 91 for use, and the coating device 91 can be used to prepare various types
- the film layer such as DLC film layer.
- the coating equipment 91 can chemically deposit a film layer on the surface of a workpiece to be coated by using a plasma enhanced chemical deposition (PECVD) technology. Specifically, the workpiece to be coated is placed in a reaction chamber 920 of the coating device 91 for plasma enhanced chemical vapor deposition to form the film layer on the surface of the workpiece to be coated.
- PECVD plasma enhanced chemical deposition
- the plasma enhanced chemical vapor deposition (PECVD) process has many advantages: (91) dry deposition does not require the use of organic solvents; (92) the etching effect of plasma on the surface of the substrate makes the The deposited film has good adhesion to the substrate; (93) It can evenly deposit the coating on the surface of the irregular substrate, and the gas permeability is extremely strong; (94) The coating can be designed well, compared to the liquid phase method with micron-level control accuracy The chemical vapor method can control the coating thickness at the nanometer scale; (95) The coating structure is easy to design. The chemical vapor method uses plasma activation, and the composite coating of different materials does not need to design a specific initiator for initiation.
- a variety of raw materials can be compounded together through the control of input energy; (96) The compactness is good, and the chemical vapor deposition method often activates multiple active sites during the plasma initiation process, similar to a molecule in a solution reaction There are multiple functional groups on the surface, and the molecular chains form a cross-linked structure through multiple functional groups; (97) As a coating treatment technology, its universality is excellent, and the range of coating objects and raw materials used for coating are very wide. wide.
- the support 910 includes a multi-layer support structure 911, wherein the multi-layer support structure 911 is held in the coating device 91 A reaction cavity 9200 of a reaction cavity 920.
- the workpiece to be coated can be placed on one layer or multiple layers of the multi-layer support structure 911 of the bracket 910.
- the bracket 910 includes at least one connecting member 912, wherein the connecting member 912 is disposed around the supporting structure 911 for supporting each supporting structure 911 at a predetermined height. A predetermined distance is maintained between the adjacent support structures 911 to allow reactants to enter between the adjacent support structures 911 to deposit on the workpiece to be coated supported on the support structure 911 s surface.
- the shape of the supporting structure 911 is rectangular.
- the shape of the support structure 911 can be, but is not limited to, triangles, circles or other shapes.
- the shape of the support structure 911 and the shape of the cross section formed by the inner wall of the reaction chamber 920 are similar, which is beneficial to the utilization of the space of the reaction chamber 9200 on the one hand, and is beneficial to all
- the distance from the periphery of the support structure 911 to the inner wall of the reaction chamber 920 is equal to facilitate the uniformity of gas diffusion.
- the number of the connecting members 912 is four, which are respectively located at the four corners of the supporting structure 911 to support the supporting structure 911.
- the connecting member 912 may be implemented as a column, and the column can be erected on the reaction chamber 920.
- the support structure 911 can support a plurality of the workpieces to be coated, and both the front and back sides of the workpieces to be coated placed on the support structure 911 can be coated in the coating equipment 91.
- At least part of the support structure 911 can be used as an electrode, and at least part of the support structure 911 can play a supporting role.
- the part of the support structure 911 used as an electrode and the part used as a support may be different or the same.
- the supporting structure 911 has a plurality of vents 9110 and includes a board main body 9111, wherein the board main body 9111 has a board top surface and a board bottom surface, wherein the board top surface and the board bottom surface are arranged oppositely, so The workpiece to be coated may be placed on the top surface of the board, and the vent 9110 passes through the top surface of the board and the bottom surface of the board from top to bottom to penetrate the board main body 9111.
- the raw material gas can pass through the vent 9110 of the support structure 911, so as to be in the entire The stent 910 spreads.
- the vent 9110 may be formed in the plate main body 9111 by punching, or the plate main body 9111 forms the vent 9110 in the process of integral molding.
- the position and shape of the vent 9110 can be arranged according to requirements.
- the vent 9110 can guide the flow of the raw material gas, so it will affect the final coating effect.
- the coating effect can be controlled by controlling the number and size of the vent 9110.
- the raw material gas can be a reactive gas, and different reactive gases can be selected based on different film requirements.
- the reactive gas can be C x H y , Where x is an integer of 91-910, and y is an integer of 91-920.
- the reaction gas may be a single gas or a mixed gas.
- the reaction gas may be gaseous methane, ethane, propane, butane, ethylene, acetylene, propylene or propyne under normal pressure, or may be vapor formed by evaporation under reduced pressure or heating.
- raw materials that are liquid at room temperature can also be provided to the reaction chamber 9200 in a gaseous manner through a gas supply part 930.
- the raw material gas can be a plasma source gas, which can be but is not limited to inert gas, nitrogen, and fluorocarbon.
- the inert gas is exemplified but not limited to helium or argon.
- the fluorocarbon can be but not limited to In carbon tetrafluoride.
- the plasma source gas can be a single gas, or a mixture of two or more gases.
- the raw material gas can be an auxiliary gas, and the auxiliary gas can cooperate with the reaction gas to form a film to give the film some expected characteristics, such as the strength of the film, and the flexibility of the film.
- the auxiliary gas can be a non-hydrocarbon gas, such as nitrogen, hydrogen, fluorocarbon gas, and so on.
- the auxiliary gas can be supplied to the reaction chamber 920 at the same time as the reaction gas, or can be supplied in a sequence according to requirements.
- the addition of auxiliary gas can adjust the ratio of the elements in the film, the ratio of carbon-hydrogen bonds, carbon-nitrogen bonds, and nitrogen-hydrogen bonds, thereby changing the properties of the film.
- At least part of the raw material gas can be diffused from the position of the vent 9110 of the support structure 911.
- the position and size of the vent 9110 are specially arranged to facilitate the diffusion of the raw material gas and the final coating effect.
- the diameter range of the vent 9110 is approximately 0.5 mm to 3 mm, and the distance between adjacent vents 9110 may be 60 mm to 90 mm.
- the length and width of the support structure 911 may range from 500 mm*500 mm to 600 mm*600 mm, and the distance between adjacent support structures 911 may be 10 mm to 200 mm.
- the coating equipment 91 includes a discharge device 940, wherein the discharge device 940 includes a pulse power supply 941 and a radio frequency power supply 942, wherein the pulse power supply 941 is used to provide a pulsed electric field, and the radio frequency power supply 942 is used for To provide a radio frequency electric field, the radio frequency power supply 942 can be loaded on the electrode plate to generate the radio frequency electric field. Or, the radio frequency power supply 942 is arranged outside the cavity as an inductively coupled plasma power supply to provide an alternating magnetic field. The pulse power supply 941 and the radio frequency power supply 942 can be used separately or together.
- Pulsed discharge is also a commonly used method in the plasma chemical vapor deposition (PECVD) process.
- the pulse discharge energy is relatively high.
- the voltage requirement of the pulse power supply 941 is also higher to enhance the processing capacity.
- the pulse power supply 941 whose voltage becomes higher may cause a stronger bombardment on the surface of the workpiece to be coated, which may damage the surface of the workpiece to be coated.
- the pulse power supply 941 and the radio frequency power supply 942 can be used at the same time.
- the energy when the plasma reaches the surface of the workpiece to be coated is increased. To obtain a dense film.
- the bracket 910 is provided with at least one insulating member 913, wherein the insulating member 913 is made of an insulating material, such as polytetrafluoroethylene.
- the insulating member 913 is disposed at the bottom end of the connecting member 912. When the entire support 910 is contained in the reaction chamber 920, the insulating member 913 can be supported on the reaction chamber 920, so that the support 910 and the reaction chamber 920 cannot be connected.
- the entire support 910 is conductively connected to the discharge device 940 to serve as a cathode, and the reaction chamber 920 may be grounded or conductively connected to the discharge device 940 to serve as an anode.
- the support 910 may be conductively connected to the pulse power source 941 of the discharge device 940 to serve as the cathode of the pulse power source 941, and at least part of the reaction chamber 920 may be conductive.
- Ground is connected to the pulse power supply 941 of the discharge device 940 as the anode of the pulse power supply 941, and the reaction chamber 920 can be grounded.
- the radio frequency power supply 942 may be independent of the support 910, or at least one supporting structure 911 of the support 910 is conductively connected to the radio frequency power supply 942.
- the workpiece to be coated is placed on the support structure 911 as a cathode, so that the positive ions in the plasma can be accelerated to move toward the support structure 911 as the cathode under the action of an electric field, and then on the surface of the workpiece to be coated A dense film is formed.
- the raw material gas can diffuse through the vent 9110 of the support structure 911 at a preset position.
- the raw material gas diffuses through the vent 9110 of the support structure 911 located on the second layer, thereby entering between the support structure 911 located on the second layer and the support structure 911 located on the third layer.
- the raw material gas between the support structure 911 on the second layer and the support structure 911 on the third layer can pass through the vent 9110 of the support structure 911 on the third layer or can pass through the second layer.
- the vent 9110 of the supporting structure 911 of the layer spreads.
- the workpiece to be coated has a front surface and a back surface, and the workpiece to be coated is supported on the supporting structure 911 with the front side facing upward.
- the raw material gas may be deposited on the back surface of the workpiece to be coated through the gap between the workpiece to be coated and the support structure 911. Since at least part of the back surface of the workpiece to be coated is exposed to the vent 9110 of the support structure 911, at least part of the raw material gas can pass through the vent 9110 from top to bottom, and then be deposited on the vent 9110.
- the back surface of the workpiece is coated, so that the front surface and the back surface of the workpiece to be coated can be coated simultaneously.
- the supporting structure 911 is held at each height position of the reaction chamber 9200 of the reaction chamber 920 by the connecting member 912.
- the support structure 911 may be directly installed on the reaction chamber 920.
- the support structure 911 is detachably installed on the reaction chamber. 920.
- the reaction cavity 920 may be provided with a groove.
- the supporting structure 911 may be installed in the reaction chamber 920 in a horizontal manner, or may be installed in the reaction chamber 920 in a vertical manner.
- each of the supporting structures 911 is made of conductive material, such as stainless steel, and at least one of the connecting members 912 may also be made of conductive material.
- the conductive support structures 911 are respectively conductively connected to the conductive connection members 912, so that the conduction between each support structure 911 and the outside world can be achieved through the conduction between the connection members 912 and the outside. through.
- FIG. 7 another embodiment of the supporting structure 911 according to the present invention is illustrated.
- the supporting structure 911 includes a plate main body 9111 and at least one supporting member 9112, wherein the supporting member 9112 can also be referred to as an electrode member 9112, wherein the electrode member 9112 is arranged on the plate main body 9111 .
- the electrode member 9112 is conductively connected to a discharge device 940 of the coating equipment 91 to serve as an electrode discharge.
- the board body 9111 can support the workpiece to be coated.
- the electrode member 9112 includes a plurality of electrode members 91121 and has a plurality of vents 9110, wherein the electrode members 91121 alternately form the vents 9110.
- the board body 9111 forms a plurality of accommodating spaces 91110, wherein the accommodating spaces 91110 can be formed by drilling or the board body 9111 forms the accommodating spaces 91110 in the process of integral molding.
- the electrode member 91121 may be located in the receiving space 91110 and connected to the board main body 9111.
- the electrode members 91121 staggered across the accommodating space 91110 so that the workpiece to be coated can be supported on the electrode member 91121 and held in the accommodating space 91110.
- the workpiece to be coated may be supported on the plate main body 9111, so that the plate main body 9111 plays a supporting role, and the electrode member 9112 plays a supporting role.
- the discharge effect is independent of each other.
- Each accommodating space 91110 can accommodate at least one workpiece to be coated. Through the plate main body 9111, the adjacent workpieces to be coated can be separated to keep each workpiece to be coated in a relatively independent space.
- the raw material gas can pass through the containing space 91110 from top to bottom or from bottom to top, and then pass through the vent 9110 to diffuse between the layers, and is supported by the support 9112 to be held in the containing space.
- the 91110 workpiece to be coated can be coated.
- the workpiece to be coated may also be placed at the position of the board body 9111, and the position of the support 9112 may only serve for the passage of the raw material gas.
- the supporting member 9112 may be made of a conductive material. When the workpiece to be coated is placed on the supporting member 9112, the supporting member 9112 may be conductively connected to the discharge device 940 to serve as a cathode.
- the board main body 9111 may be made of conductive material, or may be insulated. When the board body 9111 is made of insulating material, the formation of the electric field around the workpiece to be coated depends on the support 9112.
- the board main body 9111 can function as a shield for the adjacent receiving space 91110.
- the supporting structure 911 includes a plurality of the supporting members 9112, wherein the supporting members 9112 are staggered to form the vent 9110.
- the workpiece to be coated is supported on the support 9112.
- the supporting structure 911 is a mesh structure.
- the support structure 911 contacting the back surface of the workpiece to be coated is reduced, so that the back surface of the workpiece to be coated is exposed to the raw material gas, thereby facilitating The coating on the back of the workpiece to be coated.
- the weight of the support 910 can be reduced, which is beneficial to the lightness of the entire coating equipment 91. It is worth noting that when the entire support 910 can be taken out from the reaction chamber 9200 of the reaction chamber 920, the lighter support 910 is obviously more conducive to this operation.
- the above-mentioned three different types of the supporting structure 911 can be alternately arranged according to requirements, for example, the plate structure and the plate net structure are alternately arranged, and the plate structure and the net structure are alternately arranged. Setting, the board net structure and the net structure are alternately set.
- FIG. 9 and FIG. 12 at the same time, another embodiment of the stent 910 according to the present invention is illustrated.
- the bracket 910 includes two different types of the supporting structure 911.
- at least one of the supporting structures 911 includes the board main body 9111
- at least one of the supporting structures 911 includes the board main body 9111 and a plurality of the supporting members 9112. That is, at least one of the plurality of support structures 911 is implemented as a plate structure, and at least one of the plurality of support structures 911 is implemented as a plate mesh structure.
- the supporting structures 911 implemented as a plate structure and the plate net structure are alternately arranged.
- the support structure 911 of the first layer can be implemented as a plate structure
- the support structure 911 of the second layer can be implemented as a plate mesh structure
- the support structure 911 of the third layer can be implemented as a plate. structure.
- the coating equipment 91 further includes the gas supply part 930, wherein the gas supply part 930 may be used to supply a raw material gas.
- the supporting structure 911 may become at least a part of the gas supply part 930.
- At least one of the supporting structures 911 has at least one gas transmission channel 91100, wherein the gas transmission channel 91100 is connected to the vent 9110.
- the air vent 9110 may penetrate the plate main body 9111, so that the gas from the gas transmission channel 91100 may diffuse toward the upper side and the lower side of the support structure 911, respectively.
- the air vent 9110 may also be formed on one side of the plate main body 9111, so that the gas from the gas transmission channel 91100 can diffuse toward one side of the support structure 911.
- the vent 9110 is arranged to face the supporting structure 911 of the next layer.
- the support structure 911 configured as a plate mesh structure is conductively connected to the pulse power source 941 of the discharge device 940 to serve as a cathode of the pulse power source 941.
- the workpiece to be coated may be placed on the supporting structure 911 implemented as a plate mesh structure.
- the support structure 911 configured as a plate structure may be conductively connected to the pulse power source 941 of the discharge device 940 to serve as an anode of the pulse power source 941.
- the support structure 911 configured as a plate structure may be conductively connected to the radio frequency power supply 942 of the discharge device 940 to serve as the anode of the radio frequency power supply 942.
- the supporting structure 911 configured as a plate structure may be directly grounded.
- the support structure 911 implemented as a plate structure is located above the workpiece to be coated and the raw material gas can pass through
- the air vent 9110 above the workpiece to be coated diffuses from above the workpiece to be coated.
- the gas from the support structure 911 of the first layer diffuses between the support structure 911 of the first layer and the support structure 911 of the second layer, due to the support of the second layer
- the structure 911 is used as a negative electrode, so the positive ions in the plasma generated under the action of the electric field can accelerate toward the support structure 911 of the second layer, and are deposited on the support structure 911 supported on the second layer.
- the front side of the workpiece to be coated is used as a negative electrode, so the positive ions in the plasma generated under the action of the electric field can accelerate toward the support structure 911 of the second layer, and are deposited on the support structure 911 supported on the second layer.
- the raw material gas or the reaction gas can pass through the staggered support members 9112 of the support structure 911 to form In the vent 9110, the coated workpiece is supported on the support 9112, so that the gas can be distributed on the peripheral side of the workpiece to be coated, which is beneficial to the coating of the back surface of the workpiece to be coated.
- the number of the connecting members 912 is four
- the supporting structure 911 is implemented as a rectangular structure
- the four connecting members 912 are respectively arranged on each supporting structure 911. Four corners.
- each of the supporting structures 911 is arranged along the height direction of the connecting member 912 and arranged identically.
- the four corners of the supporting structure 911 of the first layer correspond to the four corners of the supporting structure 911 of the second layer.
- the projections of the supporting structure 911 on each floor in the height direction are located at the same position.
- each of the support structures 911 as a cathode is respectively conductively connected to one of the connecting members 912, and each of the support structures 911 as an anode is respectively conductively connected to the other connecting member. 912.
- each of the support structures 911 as a cathode can be connected to the external pulse power source 941 through one of the connecting members 912.
- Each of the structures as anodes can be connected to the external pulse power source 941 through the other connecting member 912.
- the remaining supporting structure 911 can be connected to the external radio frequency power supply 942 through another connecting member or be directly connected to the external radio frequency power supply 942. Grounded.
- the support structure 911 implemented as a plate mesh structure and the support structure 911 implemented as a mesh structure may be alternately arranged.
- the support structure 911 implemented as a plate structure and the support structure 911 implemented as a net structure may be alternately arranged.
- the support structure 911 includes a first support portion 9113 and a second support portion 9114, wherein the first support portion 9113 is supported by the second support portion 9114, and the first support The portion 9113 is used to support the workpiece to be coated, and the second support portion 9114 is used to distribute air.
- the first supporting portion 9113 includes a plurality of supporting members 9112, and the supporting members 9112 alternately form the vent 9110.
- the second supporting portion 9114 includes the board main body 9111 and a plurality of the vents 9110, wherein the vents 9110 are formed in the board main body 9111.
- the plate body 9111 is formed with at least one gas transmission channel 91100, wherein the vent 9110 is connected to the gas transmission channel 91100.
- the vent 9110 is formed at the second supporting portion 9114 and faces the supporting structure 911 of the next layer.
- the gas leaves the second supporting portion 9114 from the vent 9110, under the action of the radio frequency electric field and/or the pulsed electric field, at least part of the gas can be ionized to form a plasma, and then the plasma
- the positive ions can accelerate toward the first support portion 9113 located below, and thereby deposit on the surface of the workpiece to be coated supported on the first support portion 9113 of the support structure 911.
- the second supporting portion 9114 may be conductively connected to the radio frequency power supply 942, so that the gas can be ionized at the position of the second supporting portion 9114, and then the gas can be ionized in the first supporting portion as a cathode. Under the action of 9113, it accelerates toward the workpiece to be coated.
- the support structure 911 of each layer can be placed with the workpiece to be coated, so as to facilitate the increase of the space utilization of the bracket 910.
- first support portion 9113 of each support structure 911 can be conductively connected to one of the connecting members 912, so as to be easily connected to the outside world.
- the second supporting portion 9114 may be conductively connected to the other connecting member 912 so as to be easily connected to the outside.
- first support portion 9113 and the second support portion 9114 of each support structure 911 are insulated from each other.
- the support structure 911 includes a first support portion 9113 and a second support portion 9114, wherein the first support portion 9113 is supported by the second support portion 9114, and the first support The portion 9113 is used to support the workpiece to be coated, and the second support portion 9114 is used to distribute air.
- the first support portion 9113 includes a plurality of the plate main bodies 9111 and a plurality of the support members 9112 (or electrode members 9112), and the support members 9112 (or electrode members 9112) alternately form the ventilation The opening 9110, or the plate main body 9111 and the supporting member 9112 (or the electrode member 9112) alternately form the vent hole 110.
- the board body 9111 forms a plurality of accommodating spaces 91110, wherein the accommodating spaces 91110 can be formed by drilling or the board body 9111 forms the accommodating spaces 91110 in the process of integral molding.
- the electrode member 91121 may be located in the receiving space 91110 and connected to the board main body 9111.
- the electrode members 91121 staggered across the accommodating space 91110 so that the workpiece to be coated can be supported on the electrode member 91121 and held in the accommodating space 91110.
- Each accommodating space 91110 can accommodate at least one workpiece to be coated. Through the plate main body 9111, the adjacent workpieces to be coated can be separated to keep each workpiece to be coated in a relatively independent space.
- the second supporting portion 9114 includes the board main body 9111 and a plurality of the vents 9110, wherein the vents 9110 are formed in the board main body 9111.
- the plate body 9111 is formed with at least one gas transmission channel 91100, wherein the vent 9110 is connected to the gas transmission channel 91100.
- the vent 9110 is formed at the second supporting portion 9114 and faces the supporting structure 911 of the next layer.
- the gas leaves the second supporting portion 9114 from the vent 9110, under the action of the radio frequency electric field and/or the pulsed electric field, at least part of the gas can be ionized to form a plasma, and then the plasma
- the positive ions can accelerate toward the first support portion 9113 located below, and thereby deposit on the surface of the workpiece to be coated supported on the first support portion 9113 of the support structure 911.
- the second supporting portion 9114 may be conductively connected to the radio frequency power supply 942, so that the gas can be ionized at the position of the second supporting portion 9114, and then the gas can be ionized in the first supporting portion as a cathode. Under the action of 9113, it accelerates toward the workpiece to be coated.
- the support structure 911 of each layer can be placed with the workpiece to be coated, so as to facilitate the increase of the space utilization of the bracket 910.
- first support portion 9113 of each support structure 911 can be conductively connected to one of the connecting members 912, so as to be easily connected to the outside world.
- the second supporting portion 9114 may be conductively connected to the other connecting member 912 so as to be easily connected to the outside.
- first support portion 9113 and the second support portion 9114 of each support structure 911 are insulated from each other.
- the coating equipment 91 further includes an air extraction device 950, a feeding device 960, and a control device 970, wherein the air extraction device 950 and the feeding device 960 are separately
- the reaction chamber 920 is communicably connected, and the air extraction device 950, the feeding device 960, and the discharge device 940 are controllably connected to the control device 970, respectively.
- the air extraction device 950 is used to extract gas to change the vacuum degree in the reaction chamber 920.
- the control device 970 is used to control the feed flow rate, ratio, pressure, discharge size, discharge frequency and other parameters in the reaction chamber 920 to make the entire coating process controllable.
- the present invention provides a working method of the bracket 910, which includes the following steps:
- At least one layer of the supporting structure 911 of the bracket 910 is connected to the pulse power source 941 to discharge the pulsed electric field around at least one workpiece to be coated, wherein the supporting structure 911 serves as a cathode of the pulsed electric field .
- the support structure 911 and the pulse power supply 941 located outside the reaction chamber 920 are conducted through at least one of the uprights supported on the support structure 911,
- the support 910 is located in the reaction chamber 920.
- the working method of the bracket 910 further includes the following steps:
- At least one layer of the supporting structure 911 of the bracket 910 is connected to the pulse power source 941 as the anode of the pulse power source 941, so as to be between the anode of the pulse power source 941 and the cathode of the pulse power source 941.
- the pulsed electric field is formed between.
- the working method of the electrode holder 910 further includes the following steps:
- At least one layer of the supporting structure 911 of the bracket 910 is connected to the radio frequency power supply 942 as the anode of the radio frequency power supply 942, so as to be between the anode of the radio frequency power supply 942 and the cathode of the pulse power supply 941.
- the radio frequency electric field and the pulse electric field are formed in between.
- the working method of the bracket 910 further includes the following steps:
- the ionized gas is accelerated to move toward the worker to be coated under the action of the cathode of the pulse power supply 941.
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Abstract
本发明提供了一电极支架、支撑机构、支架、镀膜设备及应用,其中所述电极支架应用于一镀膜设备,该镀膜设备供至少一待镀膜工件镀膜,其中该镀膜设备包括一反应腔体和一脉冲电源,其中该脉冲电源用于在该反应腔体内提供一脉冲电场,其中所述电极支架包括多层布置的支架构件,其中每一层的所述支撑构件被分别保持在预设的间距,其中至少一层的所述支架构件被可导通地连接于该脉冲电源以作为该脉冲电源的阴极。所述电极支架能够均匀地承载待镀膜工件并且能够作为电极使用,并且所述电极支架和外部电源的布线较为简单。
Description
本发明涉及到表面处理领域,尤其涉及到电极支架、支撑结构、支架、镀膜设备及应用。
等离子体辅助沉积、注入及表面改性,是材料表面镀膜和改性的重要手段,由于低气压放电过程是处于非平衡状态的,因此需要在高温条件下才能形成的薄膜也可以在低温条件下沉积产生,并且薄膜的性能在这种条件下能够得到提高,沉积出具有非平衡态化学成分和各种非晶体形态的薄膜。
薄膜制备的方式有多种,以化学气相沉积方式和物理气相沉积方式为主。化学气相沉积是利用化学反应的原理,从气相物质中析出固相物质沉积于工作表面形成镀膜膜层的沉积工艺(李金桂,肖定全,现代表面工程设计手册,北京:国防工业出版社,2000)。物理气相沉积是指在真空条件下,至少有一种沉积元素被雾化(原子化)的情况下,进行的气相沉积工艺(李金桂,肖定全,现代表面工程设计手册,北京:国防工业出版社,2000)。
不论采用何种工艺进行膜层制备,样品表面的沉积厚度的均匀性是镀膜效果评估的重要指标之一。在目前的大多数制备环境下,样品需要被保持在反应腔室中,然后处于电场中,反应气体在电场环境下被激活然后沉积到样品表面。
在目前常见的一种镀膜设备中,通常采用的方式是设置两块较大的电极板,分别作为正负极,两电极板间放电形成电场,以使得反应气体可以在电场激发牵引作用下沉降到样品表面。当待镀件样品的数量较多时,为了节约空间,这些样品可能在高度方向被堆叠,而两个电极板将被对应布置在高度方向,这样的设置方式使得部分样品靠近于该电极板,部分样品远离电极板,显然,这并不有利于样品表面膜层的均匀性。如果当待镀件样品的数量较多时,样品将被水平布置,这相应要求该电极板的面积尺寸扩大,使得整个反应腔室的面积尺寸扩大,显然不利于提高镀膜设备的空间利用率。
发明内容
本发明的一个优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述电极支架能够均匀地承载待镀膜工件并且能够作为电极使用。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述电极支架能够为作为阴极使用并且所述电极支架和外部电源的布线较为简单。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述电极支架的至少部分能够作为阳极使用并且至少部分能够作为阴极使用。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述电极支架包括多层支架构件,其中所述多层支架构件的极性能够根据需要被方便地改变。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述电极支架还可以用于供气。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构能够当作电极使用,也能够对于待镀膜工件起到支撑作用。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构能够在高度方向多层布置,以容纳较多的所述待镀膜工件。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构能够支撑于所述待镀膜工件于固定位置,以有利于保持所述待镀膜工件处于稳定的位置。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构能够在起到支撑作用的同时起到引导原料气体的作用。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构包括多个交错的支撑件,交错的支撑件形成通气口,以有利于所述支撑结构相反两侧气体的流动和扩散。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构是一网状结构,以有利于减轻整个所述支架的重量。
本发明的一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构的至少部分可以当作电极使用,所述支撑结构的至少部分可以对于待镀膜工件起到支撑作用。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构包括一板主体和至少一个电极件,其中所述电极件被布置在所述板主体,所述电极件可以当作电极使用,所述板主体可以起到支撑作用。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述电极件包括多个交错的电极构件,交错的所述电极构件形成气口,以有利于所述支撑结构相反两侧气体的流动和扩散。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑结构的至少部分是一网状结构,以有利于减轻整个所述支架的重量。
本发明的另一优势在于提供一电极支架、支撑结构、支架、镀膜设备及应用,其中所述支撑件能够支撑所述待镀膜工件于所述板主体的一较低位置,以分隔相邻所述待镀膜工件,从而有利于减少所述待镀膜工件的相互干扰。
根据本发明的一方面,本发明提供了一电极支架,应用于一镀膜设备,该镀膜设备供至少一待镀膜工件镀膜,其中该镀膜设备包括一反应腔体和一脉冲电源,其中该脉冲电源用于在该反应腔体内提供一脉冲电场,其中所述电极支架包括:
多层布置的支架构件,其中每一层的所述支架构件被分别保持在预设的间距,其中至少一层的所述支架构件被可导通地连接于该脉冲电源以作为该脉冲电源的阴极。
根据本发明的一方面,本发明提供了一支撑结构,应用于一镀膜设备,供支撑至少一待镀膜工件,其中所述镀膜设备包括一反应腔体和具有一反应腔,其特征在于,所述支撑结构被容纳于该反应腔并且被支撑于该反应腔体,所述支撑结构被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
根据本发明的另一方面,本发明提供了一支架,应用于一镀膜设备,供支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体并且该反应腔体具有一反应腔,所述支架被容纳于该反应腔,其中所述支架包括:
多个支撑结构;和
至少一连接件,其中所述连接件支撑所述支撑结构于该镀膜设备的该反应腔体,所述支撑结构被间隔地逐层保持于所述连接件,所述支撑结构被可导通地连 接于该镀膜设备的一放电装置以作为电极放电。
根据本发明的另一方面,本发明提供了一镀膜设备,供至少一待镀膜工件镀膜,其中所述镀膜设备包括:
一反应腔体,其中所述反应腔体具有一反应腔;
一放电装置,其中所述放电装置用于向所述反应腔提供一电场;
一气体供给部,其中所述气体供给部用于向所述反应腔供给气体;以及
一支架,其中所述支架被保持于所述反应腔,所述支架包括多个支撑结构和至少一连接件,其中所述连接件支撑所述支撑结构于该镀膜设备的该反应腔体,所述支撑结构被间隔地逐层保持于所述连接件,并且所述支撑结构被可导通地连接于该镀膜设备的一放电装置以作为电极放电,该镀膜工件被支撑在所述支架并且以化学气相沉积的方式在所述反应腔被镀膜。
根据本发明的一方面,本发明提供了一镀膜设备,供至少一待镀膜工件镀膜,所述镀膜设备包括:
一反应腔体,其中所述反应腔体具有一反应腔;
一放电装置,其中所述放电装置用于向所述反应腔提供一电场;以及
一支架,其中所述支架被保持于所述反应腔,所述支架包括至少一个支撑结构,所述支撑结构被容纳于所述反应腔并且被支撑于所述反应腔体,所述支撑结构被可导通地连接于所述放电装置以作为电极放电,该镀膜工件被支撑在所述支架并且以化学气相沉积的方式在所述反应腔被镀膜。
根据本发明的一方面,本发明提供了一支架,应用于一镀膜设备,其中该镀膜设备包括一反应腔室并且该反应腔室具有一反应腔,其中所述支架包括:
多个支撑结构,其中至少一个所述支撑结构包括多个支撑件和具有多个通气口,其中所述支撑件相互交错形成所述通气口并且所述支撑结构被相互间隔地保持于所述反应腔,所述支撑结构被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
根据本发明的另一方面,本发明提供了一镀膜设备,供至少一待镀膜工件镀膜,其包括:
一反应腔体,其中所述反应腔体具有一反应腔;
一放电装置,其中所述放电装置用于向所述反应腔提供一电场;
一气体供给部,其中所述气体供给部用于向所述反应腔供给气体;以及
上述的支架,其中所述支架被保持于所述反应腔,该镀膜工件被支撑在所述支架并且以化学气相沉积的方式在所述反应腔被镀膜。
根据本发明的一方面,本发明提供了一支撑结构,用于一镀膜设备以支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体和具有一反应腔,其中所述支撑结构被容纳于该反应腔并且被支撑于该反应腔体,其中所述支撑结构包括一板主体和至少一电极件,其中所述电极件被布置在所述板主体,所述电极件被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
根据本发明的另一方面,本发明提供了一支架,应用于一镀膜设备以支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体和具有一反应腔,所述支架包括:
多个支撑结构,其中所述支撑结构包括一板主体和至少一电极件,其中所述电极件被布置在所述板主体,所述板主体用于支撑该待镀膜工件,所述电极件被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
根据本发明的另一方面,本发明提供了一镀膜设备,供至少一待镀膜工件镀膜,其中所述镀膜设备包括:
一反应腔体,其中所述反应腔体具有一反应腔;
一放电装置,其中所述放电装置用于向所述反应腔提供一电场;
一气体供给部,其中所述气体供给部用于向所述反应腔供给气体;以及
一支架,其中所述支架包括多个支撑结构,其中所述支撑结构包括一板主体和至少一电极件,其中所述电极件被布置在所述板主体,所述电极件被可导通地连接于该镀膜设备的一放电装置以作为电极放电,其中所述支撑结构被可导通地连接于所述放电装置以作为电极放电,该镀膜工件被支撑在所述板主体并且以化学气相沉积的方式在所述反应腔被镀膜。
根据本发明的另一方面,本发明提供了一电极支架的工作方法,其包括如下步骤:
所述电极支架的至少一层支架构件导通一脉冲电源以在至少一待镀膜工件周围放电形成一脉冲电场,其中所述支架构件作为该脉冲电场的阴极。
根据本发明的另一方面,本发明提供了一支架的工作方法,其包括如下步骤:
一支架的至少一层支撑结构导通一脉冲电源以在至少一待镀膜工件周围放电形成一脉冲电场,其中所述支撑件作为所述脉冲电场的阴极;和
藉由所述支撑结构的通气口扩散气体。
图1是根据本发明的一较佳实施例的一电极支架的示意图。
图2是根据本发明的一较佳实施例的一镀膜设备的示意图。
图3A是根据本发明的上述较佳实施例的所述电极支架的另一种实施方式的示意图。
图3B是根据本发明的上述较佳实施例的所述电极支架的另一种实施方式的示意图。
图4是根据本发明的上述较佳实施例的所述电极支架的另一种实施方式的示意图。
图5是根据本发明的一较佳实施例的一支架的示意图。
图6A是根据本发明的上述较佳实施例的所述支架的一板结构的示意图。
图6B是根据本发明的上述较佳实施例的所述支架的所述板结构的另一视角示意图。
图7是根据本发明的上述较佳实施例的所述支架的所述板结构的另一种实施方式的示意图。
图8是根据本发明的上述较佳实施例的所述支架的所述板结构的另一种实施方式的示意图。
图9是根据本发明的上述较佳实施例的所述支架的另一种实施方式的示意图。
图10A是根据本发明的上述较佳实施例的所述支架的所述板结构的另一种实施方式的示意图。
图10B是根据本发明的上述较佳实施例的所述支架的所述板结构的另一种实施方式的示意图。
图11A是根据本发明的上述较佳实施例的所述支架的所述板结构的另一种实施方式的示意图。
图11B是根据本发明的上述较佳实施例的所述支架的所述板结构的另一种实施方式的示意图。
图12是根据本发明的一第二较佳实施例的一镀膜设备的示意图。
图13是根据本发明的上述较佳实施例的所述镀膜设备的另一种实施方式的 示意图。
以下描述用于揭露本发明以使本领域技术人员能够实现本发明。以下描述中的优选实施例只作为举例,本领域技术人员可以想到其他显而易见的变型。在以下描述中界定的本发明的基本原理可以应用于其他实施方案、变形方案、改进方案、等同方案以及没有背离本发明的精神和范围的其他技术方案。
本领域技术人员应理解的是,在本发明的揭露中,术语“纵向”、“横向”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系是基于附图所示的方位或位置关系,其仅是为了便于描述本发明和简化描述,而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作,因此上述术语不能理解为对本发明的限制。
可以理解的是,术语“一”应理解为“至少一”或“一个或多个”,即在一个实施例中,一个元件的数量可以为一个,而在另外的实施例中,该元件的数量可以为多个,术语“一”不能理解为对数量的限制。
参考说明书附图1至图4,本发明提供了一电极支架10和镀膜设备1,其中所述镀膜设备1可以用于制备各种类型的膜层,比如说DLC膜。所述镀膜设备1通过利用等离子体增强化学沉积(PECVD)技术向一待镀膜工件表面化学沉积形成膜层。具体地说,所述待镀膜工件被放置在所述镀膜设备1的一反应腔体20中进行等离子增强化学气相沉积而在所述待镀膜工件的表面形成所述膜层。
等离子体增强化学气相沉积(PECVD)工艺相对于现有的其他沉积工艺具有很多优点:(1)干式沉膜不需要使用有机溶剂;(2)等离子体对基体表面的刻蚀作用,使所沉积上的薄膜与基体粘结性好;(3)可以对不规则基体表面均匀沉积镀膜,气相渗透性极强;(4)涂层可设计性好,相比于液相法微米级控制精度,化学气相法可在纳米级尺度进行涂层厚度的控制;(5)涂层结构设计容易,化学气相法使用等离子体激活,对不同材料的复合涂层不需要设计特定的引发剂进行引发,通过输入能量的调控即可将多种原材料复合在一起;(6)致密性好,化学气相沉积法在等离子体引发过程中往往会对多个活性位点进行激活,类似于溶液反应中一个分子上有多个官能团,分子链之间通过多个官能团形成交联结构;(7) 作为一种镀膜处理技术手段,其普适性极好,镀膜的对象、镀膜使用的原材料选择的范围都很广。
本发明提供的所述电极支架10,能够作为一射频电源或者是一脉冲电源的一电极使用,在支撑所述待镀膜工件的同时,能够在所述待镀膜工件周围提供射频电场或者脉冲电场,以有利于提供整个所述反应腔体20的空间利用率。
具体地说,参考附图1至附图3A所示,所述电极支架10包括多层支架构件11,其中多层的所述支架构件11被保持于所述镀膜设备1的一反应腔体20的一反应腔200。
所述待镀膜工件能够被放置在所述电极支架10的所述多层支架构件11中的一层或者是多层。
所述电极支架10包括至少一连接件12,其中所述连接件12被设置在所述支架构件11的周围,用于支撑每一所述支架构件11于预设的高度。相邻的所述支架构件11之间保持预设的距离,以供反应物进入到相邻的所述支架构件11之间,从而沉积在被支撑于所述支架构件11的所述待镀膜工件的表面。
在本实施例中,所述支架构件11的形状是矩形的。本领域技术人员应当理解的是,所述支架构件11的形状可以但是并不限制于三角形、圆形或者是其他形状的。优选地,所述支架构件11的形状的所述反应腔体20的内壁形成的横截面的形状是相似的,一方面有利于对于所述反应腔200的空间的利用,另一方面有利于所述支架构件11的周沿到所述反应腔体20的内壁的距离相等,以有利于气体扩散的均匀性。
在本实施例中,所述连接件12的数目为四,分别位于所述支架构件11的四个角。以支撑所述支架构件11。进一步地,所述连接件12可以被实施为一立柱,所述立柱能够被立于所述反应腔体20。
进一步地,所述电极支架10被设置有至少一绝缘件13,其中所述绝缘件13是由绝缘材料制成的,比如说聚四氟乙烯制成的。所述绝缘件13被设置于所述连接件12的底端。当整个所述电极支架10被容纳于所述反应腔体20,所述绝缘件13可以被支撑于所述反应腔体20,从而使得所述电极支架10和所述反应腔体20无法导通。
值得注意的是,在本实施例中,所述电极支架10被支撑于所述反应腔体20,位于所述电极支架10的所述连接件12的底端的所述绝缘件13被支撑于所述反 应腔体20。
在本发明的另一些实施例中,所述绝缘件13可以被设置在其他所述电极支架10和所述反应腔体20的连接位置。比如所述电极支架10通过悬挂的方式被保持于所述反应腔体20的所述反应腔,那么所述绝缘件13可以被设置于所述连接件12的顶端。本领域技术人员可以理解的是,所述绝缘件13的设置位置基于所述电极支架10和所述反应腔体20的安装位置的变化可以变化。
进一步地,在本实施例中,整个所述电极支架10可以被可导通地连接于所述脉冲电源以作为所述脉冲电源的阴极。
具体地说,所述镀膜设备1包括所述反应腔体20和一放电装置30,其中所述放电装置30用于为所述反应腔体20的所述反应腔提供脉冲电场和射频电场。所述放电装置30包括所述脉冲电源31和所述射频电源32,所述脉冲电源31用于提供所述脉冲电场,所述射频电源32用于提供所述射频电场。
所述射频电源32可以通过无电极的方式向所述反应腔体20提供所述射频电场。所述脉冲电源31可以被可导通地连接于整个所述电极支架10,以将所述电极支架10作为所述脉冲电源31的阴极。可以理解的是,所述反应腔体20的至少部分可以是由导电材料制作的,以使得所述反应腔体20的至少部分可以作为阳极,比如说被可导通地连接于所述脉冲电源31的阳极或者是接地以使得所述反应腔体20的内壁和所述电极支架10之间存在电势差。或者是所述射频电源32被可导通地连接于所述反应腔体20以使得所述反应腔体20作为阳极以和被导通于所述脉冲电源31的作为阴极的所述电极支架10之产生电势差。
当所述待镀膜工件被放置在所述电极支架10的任意一层时,所述待镀膜工件能够被较为快速地镀膜。
具体地说,所述射频电源32和/或所述脉冲电源31能够对于原料进行放电以使得整个所述反应腔200处于等离子环境,反应气体处于高能量状态。所述脉冲电源31在放电过程中产生强电场,强电场位于所述待镀膜工件附近,以使得处于等离子环境中的活性离子受到强电场的作用加速沉积在基体表面。
当当所述工件表面需要镀DLC膜时,反应气体在强电场作用下沉积在所述待镀膜工件表面以形成非晶态碳网络结构。当所述脉冲电源31不放电时,利用沉积于所述待镀膜工件的膜层进行非晶态碳网络结构自由驰豫,在热力学作用下碳结构向稳定相---弯曲石墨烯片层结构转变,并埋置于非晶碳网络中,形成透明 类石墨烯结构。
更详细地说,连接于所述脉冲电源31的作为阴极的所述电极支架10的所述支架构件11被设置于所述待镀膜工件的下方。当在所述脉冲电场作用下电离生成所述等离子体后,在所述脉冲电场作用下所述等离子体中的正离子在所述脉冲电场的作用下朝向所述待镀膜工件运动以沉积在所述待镀膜工件的表面。所述等离子体包括自有电子和正离子两者的导电的气态介质。
值得一提的是,由于作为阴极的所述电极支架10被设置在所述待镀膜工件的周围,使得所述等离子体中的正离子能够被加速朝向所述待镀膜工件的表面沉积,一方面提高了所述待镀膜工件的镀膜速度,另一方面在这个过程中正离子轰击所述待镀膜工件的表面,从而有利于所述待镀膜工件表面的膜层的强度。
值得注意的是,注入所述反应腔体20的气体可以是反应气体,基于膜层要求的不同,可以选择不同的反应气体,比如说当膜层是DLC膜层时,所述反应气体可以是C
xH
y,其中x为1-10的整数,y为1-20的整数。反应气体可以是单一气体,也可以是混合气体。可选地,反应气体可以是常压下为气态的甲烷、乙烷、丙烷、丁烷、乙烯、乙炔、丙烯或者是丙炔,也可以是经过减压或者是加热蒸发形成的蒸气。也就是说,常温下为液态的原料也可以通过所述气体供给部以气态的方式向所述反应腔200提供。
气体可以是等离子体源气体,可以是但是并不限制于惰性气体、氮气、氟碳化合物,其中惰性气体举例但是并不限制于氦气或者是氩气,氟碳化合物可以是但是并不限制于四氟化碳。等离子体源气体可以是单一气体,也可以是两种或者是两种以上的气体的混合物。
气体可以是辅助气体,辅助气体可以和反应气体配合形成膜层,以赋予膜层一些预期的特性,比如说膜层的强度,膜层的柔韧性等。辅助气体可以是非碳氢气体,比如说氮气、氢气、氟碳气体等。辅助气体可以和反应气体同时向所述反应腔体20被供给,也可以根据需求按照先后的次序被通入。辅助气体的加入能够调节膜层中各元素的比例,碳氢键、碳氮键和氮氢键的比例,从而改变膜层的性质。
进一步地,在本实施例中,所述支架构件11和所述连接件12都被可导通地连接于所述放电装置30的所述脉冲电源31。也就是说,所述支架构件11和所述连接件12都是由导电材料制成的。
值得注意的是,由于所述支架构件11和所述连接件12都可以导电,因此所述支架构件11可以被可导通地连接于所述连接件12,或者所述支架构件11和所述连接件12被可导通地一体成型。藉由所述连接件12,多个所述支架构件11可以导通位于所述反应腔体20外的所述脉冲电源31。
换句话说,所述电极支架10和位于所述反应腔体20外的所述脉冲电源31不需要通过复杂的布线,就可以实现导通。
值得一提的是,当所述电极支架10的所述支架构件11的极性需要被改变时,直接改变所述支架构件11对应的所述连接件12和所述放电装置30的连接即可,十分的方便。
当然可以理解的是,多个所述连接件12中的一个所述连接件12是由导电材料制成的,就可以实现多个所述支架构件11和所述连接件12之间的导通。
更进一步地,所述连接件12可以是中空的,或者是实心的。当所述连接件12是中空的,导线可以通过所述连接件12内以不被暴露在外。
更进一步地,所述连接件12和所述支架构件11被相互可拆卸地安装,当所述待镀膜工件发生改变时,所述支架构件11可能需要更换,从而有利于所述电极支架10的所述支架构件11的类型的更换或者是后期的维护。
在本发明的另一些实施例中,每一所述支架构件11可以是由导电材料制成的,所述连接件12可以是由绝缘材料制成的,每一所述支架构件11可以被独立地连接于所述放电装置30。
值得注意的是,所述支架构件11具有多个布气口110,其中所述布气口110被均匀地布置,气体通过所述支架构件11的所述布气口110以有利于气体在所述电极支架10的均匀分布。
可选地,在本实施例中,所述布气口110的形状被设置为喇叭形状的,并且是倒喇叭形状的。
所述布气口110的直径范围大约为2mm到3mm,所述支架构件11的长宽尺寸范围可以是500mm*500mm到600mm*600mm,相邻所述支架构件11之间的间距可以是10mm~200mm。
进一步地,所述镀膜设备1进一步包括一抽气装置40、一进料装置50以及一控制装置60,其中所述抽气装置40和所述进料装置50被分别可连通地连接于所述反应腔体20,所述抽气装置40、所述进料装置50和所述放电装置30被 分别可控制地连接于所述控制装置60。所述控制装置60用于控制所述反应腔体20内的进料流速、比例、压力、放电大小和放电频率等参数,以使得整个镀膜过程可控。
举例说明,所述进料装置50能够以50~500sccm的流量朝向所述反应腔体20输入Ar/N
2/H
2/CH
4,以10~200sccm的流量朝向所述反应腔体20输入C
2H
2/O
2,并且所述抽气装置40能够控制镀膜前的所述反应腔体20的真空度小于2×10
-3Pa。在镀膜开始后,所述反应腔体20的镀膜真空度能够被保持在0.1~20Pa。
在镀膜过程中所述放电装置30产生的电压可以被保持在-300~-3500V,占空比:5~100%,频率:20~360KHz。镀膜时间大约在0.1个小时和5个小时之间。最后获得镀膜厚度不超过50nm。当然,随着镀膜时间的延长,镀膜的厚度可以变得更厚。
值得一提的是,通过所述镀膜设备1,可以获得透明的膜层。
更详细地说,在本发明的一些实施例中,利用所述镀膜设备1,可以获得无机膜层,比如说类金刚石膜层。举例说明,CxHy流量为50-1000sccm、惰性气体流量10~200sccm、H
2的气体流量0~100sccm、真空反应腔100压力为0.01Pa~100Pa、射频功率10~800W,偏压电源电压-100V~-5000V、占空比10%~80%、镀膜时间5-300min。
不同气体之间的流量比决定了获得DLC膜层的原子比,影响了膜层质量,所述放电装置30的所述电源的大小决定了电离过程的温升、离化率和沉积速率等相关参数,镀膜时间过短将使得膜层较薄,硬度表现较差,镀膜时间过长将使得膜层较厚,影响到透明性。
参考附图3A所示,同时参考附图1和附图2所示,是根据本发明的上述较佳实施例的所述电极支架10的另一种实施方式被阐明。
所述电极支架10包括多层所述支架构件11,并且所述电极支架10的至少部分所述支架构件11被可导通地连接于所述脉冲电源31以作为阴极,所述电极支架10的至少部分所述支架构件11被可导通地连接于所述射频电源32以作为阳极。所述待镀膜工件可以被放置在作为阴极的所述支架构件11。
具体地说,所述电极支架10被分别导通于所述射频电源32和所述脉冲电源31,以作为阳极和阴极,并且阴极和阳极可以被交替地设置。
举例说明,当所述电极支架10是六层时,第一层、第三层和第五层的所述 支架构件11可以作为阳极,第二层、第四层和第六层的所述支架构件11可以作为阴极时,所述待镀膜工件可以被放置在第二层、第四层和第六层的所述支架构件11。
第一层的所述支架构件11到第二层的所述支架构件11的距离、第三层的所述支架构件11到第四层的所述支架构件11的距离以及第五层的所述支架构件11到所述第六层的所述支架构件11的距离可以是相同的,以有利于为处于不同层的所述支架构件11营造类似的环境,以有利于处于不同位置的所述待镀膜工件的镀膜的均匀性。
进一步地,作为阳极的第一层、第三层和第五层的所述支架构件11被分别导通于所述射频电源32,作为阴极的第二层、第四层和第六层的所述支架构件11被分别导通于所述脉冲电源31。
可选地,相邻的连接于不同的电源的所述支架构件11可以通过一绝缘构件13′与所述连接件12相互绝缘,也就是说,所述连接件12的至少部分可以是由绝缘材料制成的,以使得相邻的所述支架构件11可以相互绝缘。每一所述支架构件11可以独立地被导通地连接于所述脉冲电源31或者所述射频电源32,比如说参考附图3B中所示。所述连接件12可以包括至少二导电部分和至少一绝缘部分,其中所述绝缘部分隔绝所述导电部分,所述导电部分被可导通地连接于至少一层所述支架构件11。
在本实施例中,作为阳极的多层所述支架构件11被可导通地连接于一个所述连接件12,作为阴极的多层所述支架构件11被可导通地连接于另一个所述连接件12。为了以示区别,可以成为所述连接件12A和所述连接件12B,其中作为阳极的多层所述支架构件11被可导通地连接于所述连接件12A,并且所述连接件12B和作为阳极的多层所述支架构件11相互绝缘。作为阴极的多层所述支架构件11被可导通地连接于所述连接件12B,并且所述连接件12A和作为阴极的多层所述支架构件11相互绝缘。
通过这样的方式,所述电极支架10和所述放电装置30的连接变得十分的简单,不需要对于每一所述支架构件11进行复杂的布线,同时可以避免所述支架构件11和所述放电装置30之间的复杂的连接线对于镀膜环境造成不利的影响。
值得注意的是,根据本发明的另一些实施例,当多层所述支架构件11中的至少一层被连接于所述放电装置30的所述脉冲电源31以作为所述脉冲电源31 的阴极时,多层的所述支架构件11的其他层所述支架构件11可以被接地或者被连接于所述脉冲电源31以作为所述脉冲电源31的阳极。
值得一提的是,所述电极支架10的所述支架构件11的极性可以根据需求被更换,比如说第二层的所述支架构件11可以作为阴极使用。当用户想要更换所述支架构件11的极性为阳极时,可以通过改变第二层的所述支架构件11和所述放电装置30的连接来实现。所述电极支架10的所述支架构件11和外界的连接也可以非常方便地被改变。
由于所述电极支架10的多个所述支架构件11能够通过统一的一个所述连接件12和外界导通,因此可以方便地改变所述电极支架10的所述支架构件11和外界的连接。比如说将所述连接件12自所述脉冲电源31改为连接于所述射频电源32。
进一步地,所述镀膜设备1包括一气体供给部70,其中所述气体供给部70被可连通地连接于所述进料装置50,其中所述气体供给部70位于所述反应腔。
在本实施例中,所述气体供给部70被设置于作为阳极的所述支架构件11。具体地说,所述支架构件11形成一气体通道1100并且所述支架构件11形成有多个布气口110,其中所述布气口110被分别连通于所述气体通道1100以使得所述气体通道1100内的气体可以被运输至所述布气口110。
当作为阳极的所述支架构件11被导通于所述射频电源32,位于所述气体通道1100内的气体的至少部分能够被电离以产生等离子体,然后自所述布气口110位置离开所述气体通道1100。在施加于作为阴极的所述支架构件11的所述脉冲电源31的作用下,等离子体中的正离子朝向作为阴极的所述支架构件11加速运动,从而有利于缩短镀膜时间,并且有利于镀膜强度。然后位于作为阴极的所述支架构件11的所述待镀膜工件被镀膜。
可选地,所述布气口110被均匀地布置在作为阳极的所述支架构件11并且朝向下一层的所述支架构件11。
对于整个所述电极支架10而言,所述布气口110能够深入到所述电极支架10的内部,从而有利于减轻气体不均匀的情况,以有利于镀膜的均匀性。
值得注意的是,所述气体供给部70也可以被设置于所述连接件12。当所述连接件12是一中空的立柱,所述气体通道1100能够形成于所述连接件12的内部并且被连通于形成于所述连接件12表面的所述布气口110,从而在所述支架 构件11周围布气。通过所述连接件12和所述支架构件11的所述布气口110的布置,能够使得气体均匀地分布在所述待镀膜工件周围,以有利于后续镀膜的均匀性。
参考附图4所示,是根据本发明的上述较佳实施例的所述电极支架10的另一种实施方式。
所述电极支架10包括多层所述支架构件11,并且所述支架构件11包括一第一部分支架构件111和一第二部分支架构件112,其中所述第一部分支架构件111和所述第二部分支架构件112相互绝缘,并且所述第一部分支架构件111被支撑于所述第二部分支架构件112。
所述待镀膜工件可以被放置于所述支架构件11的所述第一部分支架构件111。
所述第一部分支架构件111被可导通地连接于所述脉冲电源31以作为阴极,所述第二部分支架构件112被作为所述气体供给部70用于布气。
所述布气口110形成于所述第二部分支架构件112并且朝向下一层的所述支架构件11。当所述待镀膜工件被放置在所述支架构件11的第一部分支架构件111,位于所述待镀膜工件上方的是另一层所述支架构件11的所述第二部分支架构件112。
所述第二部分支架构件112能够形成所述气体通道1100,并且所述气体通道1100被连通于所述布气口110。当气体自所述布气口110离开所述第二部分支架构件112,在所述射频电场和/或所述脉冲电场的作用下,气体中的至少部分能够被电离以形成等离子体,然后等离子体中的正离子能够朝向位于下方的所述第一部分支架构件111加速运动,从而沉积在被支撑于所述支架构件11的所述第一部分支架构件111的所述待镀膜工件的表面。
进一步地,所述第二部分支架构件112可以被可导通地连接于所述射频电源32,从而气体能够在所述第二部分支架构件112位置被电离,然后在作为阴极的所述第一部分支架构件111的作用下加速朝向所述待镀膜工件运动。
通过这样的方式,除了第一层的所述支架构件11,每一层的所述支架构件11可以被放置有所述待镀膜工件,以有利于所述电极支架10的增加空间利用率。
进一步地,每一所述支架构件11的所述第一部分支架构件111可以被可导通地连接于一个所述连接件12,从而和外界方便地导通,每一所述支架构件11的所述第二部分支架构件112可以被可导通地连接于另一所述连接件12,从而 和外界方便地导通。同时,每一所述支架构件11的所述第一部分支架构件111和所述第二部分支架构件112之间相互绝缘。
根据本发明的另一方面,本发明提供所述电极支架10的一工作方法,其包括如下步骤:
所述电极支架10的至少一层所述支架构件11导通所述脉冲电源31以在至少一所述待镀膜工件周围放电形成所述脉冲电场,其中所述支架构件11作为所述脉冲电场的阴极。
根据本发明的至少一实施例,在上述方法中,通过支撑于所述支架构件11的至少一所述立柱导通所述支架构件11和位于所述反应腔体20外的所述脉冲电源31,其中所述电极支架10位于所述反应腔体20。
根据本发明的至少一实施例,所述电极支架10的工作方法进一步包括如下步骤:
所述电极支架10的至少一层所述支架构件11导通所述脉冲电源31以作为所述脉冲电源31的阳极,以在作为所述脉冲电源31的阳极和作为所述脉冲电源31的阴极之间形成所述脉冲电场。
根据本发明的至少一实施例,所述电极支架10的工作方法进一步包括如下步骤:
所述电极支架10的至少一层所述支架构件11导通所述射频电源32以作为所述射频电源32的阳极,以在作为所述射频电源32的阳极和作为所述脉冲电源31的阴极之间形成所述射频电场和所述脉冲电场。
根据本发明的至少一实施例,所述电极支架10的工作方法进一步包括如下步骤:
藉由至少一层所述支架构件11释放气体;和
电离气体以使得在所述脉冲电源31的阴极的作用下加速朝向所述待镀膜工运动。
参考说明书附图5至图12,本发明提供了一支撑结构911和一支架910,其中所述支架910能够被放置在一镀膜设备91中使用,所述镀膜设备91可以用于制备各种类型的膜层,比如说DLC膜层。
所述镀膜设备91能够通过利用等离子体增强化学沉积(PECVD)技术向一待镀膜工件表面化学沉积形成膜层。具体地说,所述待镀膜工件被放置在所述镀 膜设备91的一反应腔体920中进行等离子增强化学气相沉积而在所述待镀膜工件的表面形成所述膜层。
等离子体增强化学气相沉积(PECVD)工艺相对于现有的其他沉积工艺具有很多优点:(91)干式沉膜不需要使用有机溶剂;(92)等离子体对基体表面的刻蚀作用,使所沉积上的薄膜与基体粘结性好;(93)可以对不规则基体表面均匀沉积镀膜,气相渗透性极强;(94)涂层可设计性好,相比于液相法微米级控制精度,化学气相法可在纳米级尺度进行涂层厚度的控制;(95)涂层结构设计容易,化学气相法使用等离子体激活,对不同材料的复合涂层不需要设计特定的引发剂进行引发,通过输入能量的调控即可将多种原材料复合在一起;(96)致密性好,化学气相沉积法在等离子体引发过程中往往会对多个活性位点进行激活,类似于溶液反应中一个分子上有多个官能团,分子链之间通过多个官能团形成交联结构;(97)作为一种镀膜处理技术手段,其普适性极好,镀膜的对象、镀膜使用的原材料选择的范围都很广。
参考附图5至附图6B以及参考附图12,具体地说,所述支架910包括多层的所述支撑结构911,其中多层的所述支撑结构911被保持于所述镀膜设备91的一反应腔体920的一反应腔9200。
所述待镀膜工件能够被放置在所述支架910的所述多层支撑结构911中的一层或者是多层。
所述支架910包括至少一连接件912,其中所述连接件912被设置在所述支撑结构911的周围,用于支撑每一所述支撑结构911于预设的高度。相邻的所述支撑结构911之间保持预设的距离,以供反应物进入到相邻的所述支撑结构911之间,从而沉积在被支撑于所述支撑结构911的所述待镀膜工件的表面。
在本实施例中,所述支撑结构911的形状是矩形的。本领域技术人员应当理解的是,所述支撑结构911的形状可以但是并不限制于三角形、圆形或者是其他形状的。优选地,所述支撑结构911的形状的所述反应腔体920的内壁形成的横截面的形状是相似的,一方面有利于对于所述反应腔9200的空间的利用,另一方面有利于所述支撑结构911的周沿到所述反应腔体920的内壁的距离相等,以有利于气体扩散的均匀性。
在本实施例中,所述连接件912的数目为四,分别位于所述支撑结构911的四个角以支撑所述支撑结构911。进一步地,所述连接件912可以被实施为一立 柱,所述立柱能够被立于所述反应腔体920。
所述支撑结构911能够支撑多个所述待镀膜工件,并且被放置在所述支撑结构911的所述待镀膜工件的正反面皆可以在所述镀膜设备91中被镀膜。
值得注意的是,所述支撑结构911的至少部分可以当作电极使用,并且所述支撑结构911的至少部分可以起到支撑作用。所述支撑结构911当作电极使用的部分和起到支撑作用部分可以是不同的,也可以是相同的。
所述支撑结构911具有多个通气口9110和包括一板主体9111,其中所述板主体9111具有一板顶面和一板底面,其中所述板顶面和所述板底面被相对设置,所述待镀膜工件可以被放置在所述板顶面,所述通气口9110自上而下经过所述板顶面和所述板底面以贯通所述板主体9111。
当所述支撑结构911被支撑于所述连接件912以保持在所述反应腔体920的所述反应腔9200,原料气体可以通过所述支撑结构911的所述通气口9110,从而在整个所述支架910扩散。
所述通气口9110可以通过打孔的方式形成于所述板主体9111,或者所述板主体9111在一体成型的过程中形成了所述通气口9110。所述通气口9110的位置和形状可以根据需求被布置。所述通气口9110能够对于原料气体的流动进行引导,因此会对于最终的镀膜效果造成影响。可以通过控制所述通气口9110的数目和大小来控制镀膜效果。
可以理解的是,原料气体可以是反应气体,基于膜层要求的不同,可以选择不同的反应气体,比如说当所述工件表面需要镀DLC膜时,所述反应气体可以是C
xH
y,其中x为91-910的整数,y为91-920的整数。反应气体可以是单一气体,也可以是混合气体。可选地,反应气体可以是常压下为气态的甲烷、乙烷、丙烷、丁烷、乙烯、乙炔、丙烯或者是丙炔,也可以是经过减压或者是加热蒸发形成的蒸气。也就是说,常温下为液态的原料也可以通过一气体供给部930以气态的方式向所述反应腔9200提供。
原料气体可以是等离子体源气体,可以是但是并不限制于惰性气体、氮气、氟碳化合物,其中惰性气体举例但是并不限制于氦气或者是氩气,氟碳化合物可以是但是并不限制于四氟化碳。等离子体源气体可以是单一气体,也可以是两种或者是两种以上的气体的混合物。
原料气体可以是辅助气体,辅助气体可以和反应气体配合形成膜层,以赋予 膜层一些预期的特性,比如说膜层的强度,膜层的柔韧性等。辅助气体可以是非碳氢气体,比如说氮气、氢气、氟碳气体等。辅助气体可以和反应气体同时向所述反应腔体920被供给,也可以根据需求按照先后的次序被通入。辅助气体的加入能够调节膜层中各元素的比例,碳氢键、碳氮键和氮氢键的比例,从而改变膜层的性质。
原料气体的至少部分可以从所述支撑结构911的所述通气口9110位置被扩散。所述通气口9110的位置和大小经过特定的布置以有利于原料气体的扩散和最终的镀膜效果。
在本实施例中,所述通气口9110的直径范围大约为0.5mm到3mm,相邻的所述通气口9110之间的距离可以是60mm到90mm。
所述支撑结构911的长宽尺寸范围可以是500mm*500mm到600mm*600mm,相邻所述支撑结构911之间的间距可以是10mm~200mm。
进一步地,所述镀膜设备91包括一放电装置940,其中所述放电装置940包括一脉冲电源941和一射频电源942,其中所述脉冲电源941用于提供一脉冲电场,所述射频电源942用于提供一射频电场,所述射频电源942可以加载在电极板上用于产生所述射频电场。或者所述射频电源942设置在腔体外作为电感耦合等离子体电源,以提供交变磁场。所述脉冲电源941和所述射频电源942可以被分别单独使用,也可以被共同使用。
值得注意的是,在PECVD工艺中,由于所述射频电源942本身的能量较低,在工业量产中单独使用所述射频电源942放电以产生等离子体的效果并不理想,随着所述镀膜设备91的所述反应腔体920的扩大和所述待镀膜工作数量的增多,镀膜不均匀等不良效果出现。
脉冲放电也是等离子体化学气相沉积(PECVD)工艺中常用的一种方式。脉冲放电的能量较高,随着所述镀膜设备91的所述反应腔体920的扩大和所述待镀膜工件数量的增多,对于脉冲电源941的电压要求也越高以增强处理能力。然而电压变高的所述脉冲电源941可能对于所述待镀膜工件表面产生更强的轰击,从而有可能使得所述待镀膜工件的表面损伤。
在本实施例中,所述脉冲电源941和所述射频电源942可以被同时使用,在获得了高离化率的等离子体基础上,增加了等离子体到达所述待镀膜工件表面时的能量,以获得致密膜层。
进一步地,所述支架910被设置有至少一绝缘件913,其中所述绝缘件913是由绝缘材料制成的,比如说聚四氟乙烯制成的。所述绝缘件913被设置于所述连接件912的底端。当整个所述支架910被容纳于所述反应腔体920,所述绝缘件913可以被支撑于所述反应腔体920,从而使得所述支架910和所述反应腔体920无法导通。
整个所述支架910被可导通地连接于所述放电装置940以作为阴极,所述反应腔体920可以是接地的或者被可导通地连接于所述放电装置940以作为阳极。
举例说明,所述支架910可以被可导通地连接于所述放电装置940的所述脉冲电源941以作为所述脉冲电源941的阴极,所述反应腔体920的至少部可以被可导通地连接于所述放电装置940的所述脉冲电源941以作为所述脉冲电源941的阳极,并且所述反应腔体920能够被接地。
所述射频电源942可以独立于所述支架910,或者所述支架910的至少一个所述支撑结构911被可导通地连接于所述射频电源942。
所述待镀膜工件被放置在作为阴极的所述支撑结构911,从而等离子体中的正离子能够在电场作用下加速朝向作为阴极的所述支撑结构911运动,进而在所述待镀膜工件的表面形成致密的膜层。
在这个过程中,原料气体能够通过所述支撑结构911的位于预设位置的所述通气口9110扩散。
举例说明,原料气体通过位于第二层的所述支撑结构911的所述通气口9110扩散,从而进入到位于第二层的所述支撑结构911和位于第三层的所述支撑结构911之间。同时位于第二层的所述支撑结构911和位于第三层的所述支撑结构911之间的原料气体可以通过位于第三层的所述支撑结构911的所述通气口9110或者可以通过第二层的所述支撑结构911的所述通气口9110扩散。
值得注意的是,所述待镀膜工件具有一正面和一背面,其中所述待镀膜工件被正面朝上地支撑于所述支撑结构911。原料气体可以通过所述待镀膜工件和所述支撑结构911之间的缝隙沉积到所述待镀膜工件的所述背面。由于至少部分所述待镀膜工件的所述背面被暴露于所述支撑结构911的所述通气口9110,因此至少部分原料气体可以自上而下通过所述通气口9110,然后沉积到所述待镀膜工件的所述背面,从而能够对于所述待镀膜工件的所述正面和所述背面同时进行镀膜。
进一步地,值得注意的是,在本实施例中,所述支撑结构911通过所述连接件912被保持在所述反应腔体920的所述反应腔9200的各个高度位置。
在本发明的另一些实施例中,所述支撑结构911可以直接被安装于所述反应腔体920,比如说参考附图13,所述支撑结构911被可拆卸地安装于所述反应腔体920,比如说以卡合的方式,所述反应腔体920可以被设置有凹槽。所述支撑结构911可以被卧式的方式被安装于所述反应腔体920,也可以被以立式的方式被安装于所述反应腔体920。
进一步地,值得一提的是,在本实施例中,每一所述支撑结构911皆由导电材料制成,比如说不锈钢材料,至少一个所述连接件912也可以是由导电材料制成的。可导电的所述支撑结构911被分别可导通地连接可导电的所述连接件912,从而可以通过所述连接件912和外界的导通来实现每一所述支撑结构911和外界的导通。
通过这样的方式,省去了对于每一所述支撑结构911布线以连接外部的繁琐步骤,还方便了对于所述支架910的放电控制。
参考附图7所示,是根据本发明的所述支撑结构911的另一种实施方式被阐明。
具体地说,所述支撑结构911包括一板主体9111和至少一个支撑件9112,其中所述支撑件9112还能够被称为电极件9112,其中所述电极件9112被布置于所述板主体9111。所述电极件9112被可导通地连接于所述镀膜设备91的一放电装置940以作为电极放电。所述板主体9111可以对于所述待镀膜工件起到支撑作用。
所述电极件9112包括多个电极构件91121并且具有多个通气口9110,其中所述电极构件91121交错形成所述通气口9110。
具体地说,所述板主体9111形成多个容纳空间91110,其中所述容纳空间91110可以通过钻孔的方式形成或者所述板主体9111在一体成型的过程中形成所述容纳空间91110。
所述电极构件91121可以位于所述容纳空间91110并且连接于所述板主体9111。详细地说,所述电极构件91121交错地横跨所述容纳空间91110,以使得所述待镀膜工件可以被支撑于所述电极构件91121并且被保持在所述容纳空间91110。
可以理解的是,在本实用新型的另一些实施例中,所述待镀膜工件可以被支撑于所述板主体9111,以使得所述板主体9111起到支撑作用,所述电极件9112起到放电作用,两者相互独立。
每一所述容纳空间91110可以容纳至少一个所述待镀膜工件。通过所述板主体9111,相邻的所述待镀膜工件可以被分隔,以保持每一所述待镀膜工件在一个相对独立的空间。
原料气体可以自上而下或者是自下而上通过所述容纳空间91110,然后穿过所述通气口9110以在各层之间扩散,被所述支撑件9112支撑从而保持在所述容纳空间91110的所述待镀膜工件能够被镀膜。
当然,可以理解的是,所述待镀膜工件也可以被放置在所述板主体9111位置,而所述支撑件9112位置可以仅起到供原料气体通过的作用。
所述支撑件9112可以是导电材料制成的,当所述待镀膜工件被放置于所述支撑件9112,所述支撑件9112可以被可导通地连接于所述放电装置940以作为阴极。所述板主体9111可以是导电材料制成的,也可以是绝缘的。当所述板主体9111是绝缘材料制成的,所述待镀膜工件周围电场的形成依赖于所述支撑件9112。所述板主体9111可以对于相邻的所述容纳空间91110起到屏蔽的作用。
参考附图8所示,根据本发明的所述支撑结构911的另一种实施方式被阐明。在本实施例中,所述支撑结构911包括多个所述支撑件9112,其中所述支撑件9112交错形成所述通气口9110。
所述待镀膜工件被支撑于所述支撑件9112。在本实施例中,所述支撑结构911是一网状结构。
对于所述待镀膜工件而言,接触于所述待镀膜工件的所述背面的所述支撑结构911减少,以有利于所述待镀膜工件的所述背面被暴露在原料气体中,从而有利于所述待镀膜工件的所述背面的镀膜。
对于整个所述支架910而言,所述支架910的重量能够被减少,有利于整个所述镀膜设备91的轻质化。值得注意的是,当整个所述支架910被可从所述反应腔体920的所述反应腔9200取出时,重量较轻的所述支架910显然更有利于这一操作。
进一步地,在本发明的另一些实施例中,上述三种不同类型的所述支撑结构911可以根据需求被交替设置,比如说板结构和板网结构被交替设置,板结构和 网结构被交替设置,板网结构和网结构被交替设置。
参考附图9所示,同时参考附图12,根据本发明的所述支架910的另一种实施方式被阐明。
在本实施例中,所述支架910包括两种不同类型的所述支撑结构911。具体地说,至少一个所述支撑结构911包括所述板主体9111,至少一个所述支撑结构911包括所述板主体9111和多个所述支撑件9112。也就是说,多个所述支撑结构911的至少一个被实施为板结构,多个所述支撑结构911的至少一个被实施为板网结构。
被实施为板结构和所述板网结构的所述支撑结构911被交替地布置。比如说,第一层的所述支撑结构911可以被实施为板结构,第二层的所述支撑结构911可以被实施为板网结构,第三层的所述支撑结构911可以被实施为板结构。
所述镀膜设备91进一步包括所述气体供给部930,其中所述气体供给部930可以用于供给原料气体。所述支撑结构911可以成为所述气体供给部930的至少部分。
具体地说,至少一个所述支撑结构911具有至少一气体传输通道91100,其中所述气体传输通道91100连通于所述通气口9110。所述通气口9110可以贯通所述板主体9111,以使得来自所述气体传输通道91100的气体可以分别朝向所述支撑结构911的上侧和下侧扩散。所述通气口9110也可以形成于所述板主体9111的一侧,以使得来自于所述气体传输通道91100的气体可以朝向所述支撑结构911的一侧扩散。
在本实施例中,所述通气口9110被设置为朝向下一层的所述支撑结构911。
被设置为板网结构的所述支撑结构911被可导通地连接于所述放电装置940的所述脉冲电源941以作为所述脉冲电源941的阴极。所述待镀膜工件可以被放置在被实施为板网结构的所述支撑结构911。
被设置为板结构的所述支撑结构911可以被可导通地连接于所述放电装置940的所述脉冲电源941以作为所述脉冲电源941的阳极。在本发明的另一些实施例中,被设置为板结构的所述支撑结构911可以被可导通地连接于所述放电装置940的所述射频电源942以作为所述射频电源942的阳极。在本发明的另一些实施例,被设置为板结构的所述支撑结构911可以直接接地。
当所述待镀膜工件被放置在被实施为板网结构的所述支撑结构911,被实施 为板结构的所述支撑结构911位于所述待镀膜工件的上方并且原料气体可以通过位于所述待镀膜工件的上方的所述通气口9110自所述待镀膜工件的上方扩散。举例说明,来自于所述第一层的所述支撑结构911的气体在第一层的所述支撑结构911和第二层的所述支撑结构911之间扩散,由于第二层的所述支撑结构911被当作负极使用,因此在电场作用下产生的等离子体中的正离子可以加速朝向第二层的所述支撑结构911运动,并且沉积在被支撑于第二层的所述支撑结构911的所述待镀膜工件的所述正面。
值得注意的是,由于所述待镀膜工件被支撑于被实施为板网结构的所述支撑结构911,原料气体或者是反应气体可以穿过所述支撑结构911的交错的所述支撑件9112形成的所述通气口9110,所述镀膜工件被支撑于所述支撑件9112,从而气体可以分布在所述待镀膜工件的周侧,有利于对于所述待镀膜工件的所述背面的镀膜。
进一步地,在本实施例中,所述连接件912的数目为四个,所述支撑结构911被实施为矩形结构并且四个所述连接件912分别被布置在每一所述支撑结构911的四个角。
优选地,每个所述支撑结构911被布置沿着所述连接件912的高度方向被相同地布置,比如说第一层的所述支撑结构911的四个角对应于第二层的所述支撑结构911的四个角。每层的所述支撑结构911在高度方向的投影位于同一位置。
进一步地,作为阴极的各个所述支撑结构911被分别可导通地连接于一个所述连接件912,作为阳极的各个所述支撑结构911被分别可导通地连接于另一个所述连接件912。通过这样的方式,作为阴极的各个所述支撑结构911能够通过一个所述连接件912和外界的所述脉冲电源941导通。作为阳极的各个所述结构能够通过另一个所述连接件912和外界的所述脉冲电源941导通。
在本发明的另一些实施例中,除去作为阴极的所述支撑结构911,剩下的所述支撑结构911能够通过另一个所述连件和外界的所述射频电源942导通或者是直接被接地。
在本发明的另一些实施例中,被实施为板网结构的所述支撑结构911和被实施为网结构的所述支撑结构911可以被交替设置。
在本发明的另一些实施例中,被实施为板结构的所述支撑结构911和被实施为网结构的所述支撑结构911可以被交替设置。
参考附图10A和附图10B所示,同时参考附图5和附图12,是根据本发明的所述支架的另一种实施方式被阐明。在本实施例中,所述支撑结构911包括一第一支撑部9113和一第二支撑部9114,其中所述第一支撑部9113被支撑于所述第二支撑部9114,所述第一支撑部9113用于支撑所述待镀膜工件,所述第二支撑部9114用于布气。
具体地说,所述第一支撑部9113包括多个所述支撑件9112,所述支撑件9112交替形成所述通气口9110。
所述第二支撑部9114包括所述板主体9111和具有多个所述通气口9110,其中所述通气口9110形成于所述板主体9111。所述板主体9111形成有至少一个所述气体传输通道91100,其中所述通气口9110被连通于所述气体传输通道91100。
所述通气口9110形成于所述第二支撑部9114并且朝向下一层的所述支撑结构911。当所述待镀膜工件被放置在所述支撑结构911的第一支撑部9113,位于所述待镀膜工件上方的是另一层所述支撑结构911的所述第二支撑部9114。
当气体自所述通气口9110离开所述第二支撑部9114,在所述射频电场和/或所述脉冲电场的作用下,气体中的至少部分能够被电离以形成等离子体,然后等离子体中的正离子能够朝向位于下方的所述第一支撑部9113加速运动,从而沉积在被支撑于所述支撑结构911的所述第一支撑部9113的所述待镀膜工件的表面。
进一步地,所述第二支撑部9114可以被可导通地连接于所述射频电源942,从而气体能够在所述第二支撑部9114位置被电离,然后在作为阴极的所述第一支撑部9113的作用下加速朝向所述待镀膜工件运动。
通过这样的方式,除了第一层的所述支撑结构911,每一层的所述支撑结构911可以被放置有所述待镀膜工件,以有利于所述支架910的增加空间利用率。
进一步地,每一所述支撑结构911的所述第一支撑部9113可以被可导通地连接于一个所述连接件912,从而和外界方便地导通,每一所述支撑结构911的所述第二支撑部9114可以被可导通地连接于另一所述连接件912,从而和外界方便地导通。同时,每一所述支撑结构911的所述第一支撑部9113和所述第二支撑部9114之间相互绝缘。
参考附图11A和附图11B所示,同时参考附图5和附图12,是根据本发明的所述支架910的另一种实施方式被阐明。在本实施例中,所述支撑结构911包 括一第一支撑部9113和一第二支撑部9114,其中所述第一支撑部9113被支撑于所述第二支撑部9114,所述第一支撑部9113用于支撑所述待镀膜工件,所述第二支撑部9114用于布气。
具体地说,所述第一支撑部9113包括多个所述板主体9111和多个所述支撑件9112(或电极件9112),所述支撑件9112(或电极件9112)交替形成所述通气口9110,或者所述板主体9111和所述支撑件9112(或电极件9112)交替形成所述通气孔110。
所述板主体9111形成多个容纳空间91110,其中所述容纳空间91110可以通过钻孔的方式形成或者所述板主体9111在一体成型的过程中形成所述容纳空间91110。
所述电极构件91121可以位于所述容纳空间91110并且连接于所述板主体9111。详细地说,所述电极构件91121交错地横跨所述容纳空间91110,以使得所述待镀膜工件可以被支撑于所述电极构件91121并且被保持在所述容纳空间91110。
每一所述容纳空间91110可以容纳至少一个所述待镀膜工件。通过所述板主体9111,相邻的所述待镀膜工件可以被分隔,以保持每一所述待镀膜工件在一个相对独立的空间。
所述第二支撑部9114包括所述板主体9111和具有多个所述通气口9110,其中所述通气口9110形成于所述板主体9111。所述板主体9111形成有至少一个所述气体传输通道91100,其中所述通气口9110被连通于所述气体传输通道91100。
所述通气口9110形成于所述第二支撑部9114并且朝向下一层的所述支撑结构911。当所述待镀膜工件被放置在所述支撑结构911的第一支撑部9113,位于所述待镀膜工件上方的是另一层所述支撑结构911的所述第二支撑部9114。
当气体自所述通气口9110离开所述第二支撑部9114,在所述射频电场和/或所述脉冲电场的作用下,气体中的至少部分能够被电离以形成等离子体,然后等离子体中的正离子能够朝向位于下方的所述第一支撑部9113加速运动,从而沉积在被支撑于所述支撑结构911的所述第一支撑部9113的所述待镀膜工件的表面。
进一步地,所述第二支撑部9114可以被可导通地连接于所述射频电源942,从而气体能够在所述第二支撑部9114位置被电离,然后在作为阴极的所述第一 支撑部9113的作用下加速朝向所述待镀膜工件运动。
通过这样的方式,除了第一层的所述支撑结构911,每一层的所述支撑结构911可以被放置有所述待镀膜工件,以有利于所述支架910的增加空间利用率。
进一步地,每一所述支撑结构911的所述第一支撑部9113可以被可导通地连接于一个所述连接件912,从而和外界方便地导通,每一所述支撑结构911的所述第二支撑部9114可以被可导通地连接于另一所述连接件912,从而和外界方便地导通。同时,每一所述支撑结构911的所述第一支撑部9113和所述第二支撑部9114之间相互绝缘。
进一步地,参考附图12所示,所述镀膜设备91进一步包括一抽气装置950、一进料装置960以及一控制装置970,其中所述抽气装置950和所述进料装置960被分别可连通地连接于所述反应腔体920,所述抽气装置950、所述进料装置960和所述放电装置940被分别可控制地连接于所述控制装置970。所述抽气装置950用于抽取气体以改变所述反应腔体920内的真空度。所述控制装置970用于控制所述反应腔体920内的进料流速、比例、压力、放电大小和放电频率等参数,以使得整个镀膜过程可控。
根据本发明的另一方面,本发明提供所述支架910的一工作方法,其包括如下步骤:
所述支架910的至少一层所述支撑结构911导通所述脉冲电源941以在至少一所述待镀膜工件周围放电形成所述脉冲电场,其中所述支撑结构911作为所述脉冲电场的阴极。
根据本发明的一些实施例,在上述方法中,通过支撑于所述支撑结构911的至少一所述立柱导通所述支撑结构911和位于所述反应腔体920外的所述脉冲电源941,其中所述支架910位于所述反应腔体920。
根据本发明的一些实施例,所述支架910的工作方法进一步包括如下步骤:
所述支架910的至少一层所述支撑结构911导通所述脉冲电源941以作为所述脉冲电源941的阳极,以在作为所述脉冲电源941的阳极和作为所述脉冲电源941的阴极之间形成所述脉冲电场。
根据本发明的一些实施例,所述电极支架910的工作方法进一步包括如下步骤:
所述支架910的至少一层所述支撑结构911导通所述射频电源942以作为所 述射频电源942的阳极,以在作为所述射频电源942的阳极和作为所述脉冲电源941的阴极之间形成所述射频电场和所述脉冲电场。
根据本发明的一些实施例,所述支架910的工作方法进一步包括如下步骤:
藉由至少一层所述支撑结构911释放气体;和
电离气体以使得在所述脉冲电源941的阴极的作用下加速朝向所述待镀膜工运动。
本领域的技术人员应理解,上述描述及附图中所示的本发明的实施例只作为举例而并不限制本发明。本发明的目的已经完整并有效地实现。本发明的功能及结构原理已在实施例中展示和说明,在没有背离所述原理下,本发明的实施方式可以有任何变形或修改。
Claims (81)
- 一电极支架,应用于一镀膜设备,该镀膜设备供至少一待镀膜工件镀膜,其中该镀膜设备包括一反应腔体和一脉冲电源,其中该脉冲电源用于在该反应腔体内提供一脉冲电场,其特征在于,包括:多层布置的支架构件,其中每一层的所述支架构件被分别保持在预设的间距,其中至少一层的所述支架构件被可导通地连接于该脉冲电源以作为该脉冲电源的阴极。
- 根据权利要求1所述的电极支架,其中至少一层的所述支架构件被可导通地连接于该脉冲电源以作为该脉冲电源的阳极。
- 根据权利要求2所述的电极支架,其中作为该脉冲电源的阴极的所述支架构件位于作为该脉冲电源的阳极的所述支架构件的下方,其中该镀膜工件被放置在作为该脉冲电源的阴极的所述支架构件。
- 根据权利要求2所述的电极支架,其中作为该脉冲电源的阴极的所述支架构件和作为该脉冲电源的阳极的所述支架构件被交替地布置。
- 根据权利要求1所述的电极支架,其中至少一层的所述支架构件包括一支撑顶板和一支撑底板,并且所述支撑顶板和所述支撑底板之间预留有空间,并且所述支撑底板形成至少一布气口,该镀膜设备包括一气体供给部,其中至少一所述支架构件作为该气体供给部的至少部分。
- 根据权利要求5所述的电极支架,其中位于作为该气体供给部的所述支架构件下方的另一层所述支架构件被可导通地连接于该脉冲电源以作为该脉冲电源的阴极。
- 根据权利要求5所述的电极支架,其中作为该气体供给部的所述支架构件被可导通地连接于该镀膜设备的一射频电源。
- 根据权利要求1所述的电极支架,其中至少一层所述支架构件包括一第一部分支架构件和一第二部分支架构件,其中所述第一部分支架构件位于所述第二部分支架构件上方并且被设置于所述第二部分支架构件,所述第一部分支架构件被可导通地连接于该脉冲电源以作为阴极。
- 根据权利要求8所述的电极支架,其中所述第二部分支架构件具有至少一气体传输通道和至少一布气口,其中所述布气口连通于所述气体传输通道,并 且所述布气口被设置为朝向下一层的所述支架构件的所述第一部分支架构件。
- 根据权利要求9所述的电极支架,其中所述第二部分支架构件被绝缘地设置于所述第一部分支架构件。
- 根据权利要求1至10任一所述的电极支架,进一步包括至少一立柱,其中每一层所述支架构件分别间隔地被支撑于所述立柱。
- 根据权利要求11所述的电极支架,其中至少一所述支架构件被可导通地连接于所述立柱,并且通过所述立柱被可导通地连接于该反应腔体外的该脉冲电源。
- 根据权利要求11所述的电极支架,其中被支撑于所述立柱的相邻的所述支架构件之间的距离相同。
- 根据权利要求11所述的电极支架,进一步包括至少一绝缘件,其中所述绝缘件被分别设置于所述立柱的底端以隔绝所述电极支架和所述反应腔体。
- 根据权利要求11所述的电极支架,其中所述支架构件和所述立柱皆由不锈钢制成。
- 根据权利要求1至10任一所述的电极支架,其中相邻的所述支架构件的距离范围为10mm~200mm。
- 一支撑结构,应用于一镀膜设备,供支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体和具有一反应腔,其特征在于,所述支撑结构被容纳于该反应腔并且被支撑于该反应腔体,所述支撑结构被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
- 根据权利要求17所述的支撑结构,其中所述支撑结构包括一板主体,其中所述板主体被容纳于该反应腔。
- 根据权利要求17所述的支撑结构,其中所述支撑结构包括多个支撑件和具有多个通气口,其中多个所述支撑件相互交错并且形成多个所述通气口。
- 根据权利要求17所述的支撑结构,其中所述支撑结构包括一板主体、多个支撑件以及具有多个通气口,其中多个所述支撑件和所述板主体交错形成所述通气口。
- 根据权利要求18所述的支撑结构,其中所述板主体具有多个通气口,其中所述通气口通过打孔的方式形成。
- 根据权利要求18所述的支撑结构,其中所述板主体具有多个通气口, 其中所述板主体在一体成型的过程中形成了所述通气口。
- 根据权利要求20至22中任一所述的支撑结构,其中所述板主体形成至少一气体传输通道,其中所述气体传输通道连通所述通气口以传递气体至所述通气口。
- 根据权利要求19至22任一所述的支撑结构,其中所述支撑结构包括一第一支撑部和一第二支撑部,其中所述第一支撑部被绝缘地支撑于所述第二支撑部,所述通气口形成于所述第二支撑部。
- 根据权利要求19至22任一所述的支撑结构,其中所述通气口之间的间距为60~90mm。
- 根据权利要求19至22任一所述的支撑结构,其中所述通气口的大小范围为0.5mm~3mm。
- 一支架,应用于一镀膜设备,供支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体并且该反应腔体具有一反应腔,所述支架被容纳于该反应腔,其特征在于,所述支架包括:多个支撑结构;和至少一连接件,其中所述连接件支撑所述支撑结构于该镀膜设备的该反应腔体,所述支撑结构被间隔地逐层保持于所述连接件,所述支撑结构被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
- 根据权利要求27所述的支架,其中所述支撑结构包括一板主体,其中所述板主体被容纳于该反应腔。
- 根据权利要求27所述的支架,其中所述支撑结构包括多个支撑件和具有多个通气口,其中多个所述支撑件相互交错并且形成多个所述通气口。
- 根据权利要求27所述的支架,其中所述支撑结构包括一板主体、多个支撑件以及具有多个通气口,其中多个所述支撑件和所述板主体交错形成所述通气口。
- 根据权利要求27至30任一所述的支架,其中至少一个所述连接件被可导通地连接于一个所述支撑结构,所述支撑结构通过所述连接件被可导通地连接于位于该反应腔外的该镀膜设备的该放电装置。
- 根据权利要求28所述的支架,其中所述板主体具有多个通气口,其中所述通气口通过打孔的方式形成。
- 根据权利要求28所述的支架,其中所述板主体具有多个通气口,其中所述板主体在一体成型的过程中形成了所述通气口。
- 根据权利要求30、32或33所述的支架,其中所述板主体形成至少一气体传输通道,其中所述气体传输通道连通所述通气口以传递气体至所述通气口。
- 根据权利要求29、30、32或33所述的支架,其中所述通气口之间的间距为60~90mm。
- 根据权利要求29、30、32或33所述的支架,其中所述通气口的大小范围为0.5mm~3mm。
- 一镀膜设备,供至少一待镀膜工件镀膜,其特征在于,包括:一反应腔体,其中所述反应腔体具有一反应腔;一放电装置,其中所述放电装置用于向所述反应腔提供一电场;一气体供给部,其中所述气体供给部用于向所述反应腔供给气体;以及一支架,其中所述支架被保持于所述反应腔,所述支架包括多个支撑结构和至少一连接件,其中所述连接件支撑所述支撑结构于所述反应腔体,所述支撑结构被间隔地逐层保持于所述连接件,并且所述支撑结构被可导通地连接于所述放电装置以作为电极放电,该镀膜工件被支撑在所述支架并且以化学气相沉积的方式在所述反应腔被镀膜。
- 一镀膜设备,供至少一待镀膜工件镀膜,其特征在于,包括:一反应腔体,其中所述反应腔体具有一反应腔;一放电装置,其中所述放电装置用于向所述反应腔提供一电场;以及一支架,其中所述支架被保持于所述反应腔,所述支架包括至少一个支撑结构,所述支撑结构被容纳于所述反应腔并且被支撑于所述反应腔体,所述支撑结构被可导通地连接于所述放电装置以作为电极放电,该镀膜工件被支撑在所述支架并且以化学气相沉积的方式在所述反应腔被镀膜。
- 根据权利要求38所述的镀膜设备,其中所述支撑结构包括一板主体,其中所述板主体被容纳于该反应腔。
- 根据权利要求38所述的镀膜设备,其中所述支撑结构包括多个支撑件和具有多个通气口,其中多个所述支撑件相互交错并且形成多个所述通气口。
- 根据权利要求38所述的镀膜设备,其中所述支撑结构包括一板主体、多个支撑件以及具有多个通气口,其中多个所述支撑件和所述板主体交错形成所 述通气口。
- 根据权利要求39所述的镀膜设备,其中所述板主体具有多个通气口,其中所述通气口通过打孔的方式形成。
- 根据权利要求39所述的镀膜设备,其中所述板主体具有多个通气口,其中所述板主体在一体成型的过程中形成了所述通气口。
- 根据权利要求41或43所述的镀膜设备,其中所述板主体形成至少一气体传输通道,其中所述气体传输通道连通所述通气口以传递气体至所述通气口。
- 根据权利要求40至43任一所述的镀膜设备,其中所述支撑结构包括一第一支撑部和一第二支撑部,其中所述第一支撑部被绝缘地支撑于所述第二支撑部,所述通气口形成于所述第二支撑部。
- 根据权利要求40至43任一所述的镀膜设备,其中所述通气口之间的间距为60~90mm。
- 根据权利要求40至43任一所述的镀膜设备,其中所述通气口的大小范围为0.5mm~3mm。
- 根据权利要求38至43任一所述的镀膜设备,其中所述支架进一步包括至少一连接件,其中所述连接件支撑所述支撑结构于所述镀膜设备的所述反应腔体,所述支撑结构被间隔地逐层保持于所述连接件。
- 一支架,应用于一镀膜设备,其中该镀膜设备包括一反应腔室并且该反应腔室具有一反应腔,其特征在于,所述支架包括:多个支撑结构,其中至少一个所述支撑结构包括多个支撑件和具有多个通气口,其中所述支撑件相互交错形成所述通气口并且所述支撑结构被相互间隔地保持于所述反应腔,所述支撑结构被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
- 根据权利要求49所述的支架,进一步包括至少一连接件,其中所述连接件支撑于所述支撑结构以保持多个所述支撑结构在不同的高度位置。
- 根据权利要求49或50所述的支架,其中至少一个所述支撑结构是导电材料制成的并且被可导通地连接于该镀膜设备的一脉冲电源以作为该脉冲电源的阴极。
- 根据权利要求51所述的支架,其中至少一个所述支撑结构是导电材料制成的并且被可导通地连接于该镀膜设备的该脉冲电源以作为该脉冲电源的阳 极。
- 根据权利要求51所述的支架,其中至少一个所述支撑结构是导电材料支撑的并且被可导通地连接于该镀膜设备的一射频电源以作为该射频电源的阳极。
- 根据权利要求52所述的支架,其中作为阴极的所述支撑结构和作为阳极的所述支撑结构被交替的布置。
- 根据权利要求50所述的支架,其中每一所述支撑结构被可导通地连接于一个所述连接件,并且通过所述连接件导通该镀膜设备的该放电装置。
- 根据权利要求54所述的支架,其中作为阴极的所述支撑结构被可导通地连接于一个所述连接件并且通过所述连接件导通该脉冲电源,其中作为阳极的所述支撑结构被可导通地连接于另一个所述连接件并且通过所述连接件导通该脉冲电源。
- 根据权利要求49或50所述的支架,其中至少一所述支撑结构包括一第一支撑部和一第二支撑部,其中所述第一支撑部被绝缘地支撑于所述第二支撑部,其中所述第一支撑部被可导通地连接于该镀膜设备的一脉冲电源以作为该脉冲电源的阴极,其中所述第二支撑部形成至少一气体传输通道和具有至少一通气口,其中所述通气口连通于所述气体传输通道。
- 根据权利要求49或50所述的支架,其中所述通气口之间的间距为60~90mm。
- 根据权利要求49或50所述的支架,其中所述通气口的大小范围为0.5mm~3mm。
- 根据权利要求50所述的支架,进一步包括至少一绝缘件,其中所述绝缘件被设置于所述连接件的底端,以支撑所述连接件于所述反应腔体。
- 一镀膜设备,供至少一待镀膜工件镀膜,其特征在于,包括:一反应腔体,其中所述反应腔体具有一反应腔;一放电装置,其中所述放电装置用于向所述反应腔提供一电场;一气体供给部,其中所述气体供给部用于向所述反应腔供给气体;以及一支架,其中所述支架包括多个支撑结构,其中至少一个所述支撑结构包括多个支撑件和具有多个通气口,其中所述支撑件相互交错形成所述通气口并且所述支撑结构被相互间隔地保持于所述反应腔,其中所述支撑结构被可导通地连接 于所述放电装置以作为电极放电,该镀膜工件被支撑在所述支架并且以化学气相沉积的方式在所述反应腔被镀膜。
- 一支撑结构,用于一镀膜设备以支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体和具有一反应腔,其特征在于,所述支撑结构被容纳于该反应腔并且被支撑于该反应腔体,其中所述支撑结构包括一板主体和至少一电极件,其中所述电极件被布置在所述板主体,所述电极件被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
- 根据权利要求62所述的支撑结构,其中所述电极件包括多个电极构件,所述电极构件被分别布置于所述板主体并且多个所述电极构件交错形成多个通气口。
- 根据权利要求63所述的支撑结构,其中至少一所述通气口形成所述板主体。
- 根据权利要求62或63所述的支撑结构,其中所述板主体具有至少一容纳空间,其中所述电极件位于所述容纳空间,该待镀膜工件被支撑于所述支撑件。
- 根据权利要求62或63所述的支撑结构,其中所述通气口的大小范围为0.5mm~3mm。
- 一支架,应用于一镀膜设备以支撑至少一待镀膜工件,其中该镀膜设备包括一反应腔体和具有一反应腔,其特征在于,所述支架包括:多个支撑结构,其中所述支撑结构包括一板主体和至少一电极件,其中所述电极件被布置在所述板主体,所述电极件被可导通地连接于该镀膜设备的一放电装置以作为电极放电。
- 根据权利要求67所述的支架,其中至少一所述通气口形成所述板主体。
- 根据权利要求67所述的支架,其中所述板主体具有至少一容纳空间,其中所述电极件位于所述容纳空间,该待镀膜工件被支撑于所述电极件。
- 根据权利要求68所述的支架,其中所述通气口的大小范围为0.5mm~3mm。
- 根据权利要求67至70任一所述的支架,进一步包括至少一连接件,其中所述连接件支撑所述支撑结构于该镀膜设备的该反应腔,并且所述支撑结构被间隔地连接于所述连接件。
- 根据权利要求71所述的支架,其中至少一个所述连接件被可导通地连 接于一个所述支撑结构,所述支撑结构通过所述连接件被可导通地连接于位于该反应腔外的该镀膜设备的该放电装置。
- 根据权利要求71所述的支架,其中每一所述支撑结构分别被可导通地连接于至少一个所述连接件,所述支撑结构通过所述连接件被可导通地连接于位于该反应腔外的该镀膜设备的一脉冲电源,并且所述支撑结构作为该脉冲电源的阴极。
- 根据权利要求71所述的支架,其中至少一所述支撑结构通过一个所述连接件被可导通地连接于该镀膜设备的一脉冲电源以作为阴极,至少一所述支撑结构通过另一个所述连接件被可导通地连接于该脉冲电源以作为阳极。
- 根据权利要求74所述的支架,其中作为阴极的所述支撑结构和作为阳极的所述支撑结构被交替布置。
- 根据权利要求71所述的支架,进一步包括至少一绝缘件,其中所述绝缘件被设置于所述连接件的底端,以支撑所述连接件于所述反应腔体。
- 一镀膜设备,供至少一待镀膜工件镀膜,其特征在于,包括:一反应腔体,其中所述反应腔体具有一反应腔;一放电装置,其中所述放电装置用于向所述反应腔提供一电场;一气体供给部,其中所述气体供给部用于向所述反应腔供给气体;以及一支架,其中所述支架包括多个支撑结构,其中所述支撑结构包括一板主体和至少一电极件,其中所述电极件被布置在所述板主体,所述电极件被可导通地连接于该镀膜设备的一放电装置以作为电极放电,其中所述支撑结构被可导通地连接于所述放电装置以作为电极放电,该镀膜工件被支撑在所述板主体并且以化学气相沉积的方式在所述反应腔被镀膜。
- 一电极支架的工作方法,其特征在于,包括如下步骤:所述电极支架的至少一层支架构件导通一脉冲电源以在至少一待镀膜工件周围放电形成一脉冲电场,其中所述支架构件作为该脉冲电场的阴极。
- 根据权利要求78所述的工作方法,其中在上述方法中,通过支撑于所述支架构件的至少一立柱导通所述支架构件和位于一反应腔体外的所述脉冲电源,其中所述电极支架位于所述反应腔体。
- 根据权利要求78所述的工作方法,进一步包括如下步骤:所述电极支架的至少一层所述支架构件导通所述脉冲电源以作为所述脉冲 电源的阳极,以在作为所述脉冲电源的阳极和作为所述脉冲电源的阴极之间形成所述脉冲电场。
- 根据权利要求78所述的工作方法,进一步包括如下步骤:藉由至少一层所述支架构件释放气体;和电离气体以使得在所述脉冲电源的阴极的作用下加速朝向所述待镀膜工件运动。
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