WO2003104523A1 - Cvd成膜装置に使用する原料ガス導入管の清掃方法及びその装置 - Google Patents
Cvd成膜装置に使用する原料ガス導入管の清掃方法及びその装置 Download PDFInfo
- Publication number
- WO2003104523A1 WO2003104523A1 PCT/JP2003/006331 JP0306331W WO03104523A1 WO 2003104523 A1 WO2003104523 A1 WO 2003104523A1 JP 0306331 W JP0306331 W JP 0306331W WO 03104523 A1 WO03104523 A1 WO 03104523A1
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- WO
- WIPO (PCT)
- Prior art keywords
- film forming
- raw material
- plastic container
- introduction pipe
- gas introduction
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/023—Cleaning the external surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
-
- 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
- C23C16/04—Coating on selected surface areas, e.g. using masks
- C23C16/045—Coating cavities or hollow spaces, e.g. interior of tubes; Infiltration of porous substrates
-
- 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
- C23C16/4401—Means for minimising impurities, e.g. dust, moisture or residual gas, in the reaction chamber
- C23C16/4407—Cleaning of reactor or reactor parts by using wet or mechanical methods
Definitions
- the present invention relates to a method and apparatus for cleaning a source gas introduction pipe used in a CVD film forming apparatus.
- the present invention uses a CVD (Chemical Vapor Deposition) method to deposit a CVD film, especially a carbon film such as a DLC (Diamond Like Carbon) film or a polymer-like amorphous carbon film, on the inner surface of a plastic container.
- CVD Chemical Vapor Deposition
- the present invention relates to a method for cleaning a raw material gas introduction pipe used in a CVD film forming apparatus for forming a silica film containing Si-C-H-O and the like, and an apparatus therefor.
- a vapor deposition apparatus using a CVD method is disclosed in, for example, Japanese Patent Application Laid-Open No. 8-5311. It has been disclosed. Also, Japanese Patent Application Laid-Open No. 10-258885 discloses a manufacturing apparatus and a manufacturing method for mass-producing a DLC film-coated plastic container. Further, Japanese Patent Application Laid-Open No. H10-226684 describes a DLC film coating that can coat a DLC film in a container having a protrusion protruding outward from an outer surface. An apparatus and a method for manufacturing a plastic container are disclosed.
- the internal electrode of the apparatus for manufacturing a DLC film-coated plastic container is formed of a conductive material, and also serves as a pipe for introducing a source gas.
- This internal electrode takes the form of a pipe having a source gas supply port at the end. Disclosure of the invention
- the dirt When the dirt reaches a certain thickness (for example, a thickness of about 5 m), it is peeled off from the source gas inlet pipe.
- the peeled-off dirt falls into the PET bottle, and as a result, the dirt that falls inside the PET bottle causes a portion where no film is formed in the PET bottle, thereby deteriorating the gas barrier property, and It will be a good product.
- the following methods can be considered to prevent dirt from peeling off inside the PET bottle. In other words, before the dirt comes off, the production equipment is disassembled, the source gas inlet pipe is removed, and the outer and inner surfaces of the dirty source gas inlet pipe are cleaned by a worker using a file, etc. How to By cleaning the outer and inner surfaces of the source gas inlet pipe in this way, it should be possible to prevent dirt from peeling off inside the PET bottle.
- An object of the present invention is to prevent the formation of dirt on the inner and outer surfaces of the raw material gas introduction pipe.
- dirt is removed in a state of non-contact with the source gas introduction pipe by spraying compressed air or blowing ultrasonic air, and the dirt is not transferred to the plastic container or film formation chamber. This is to make it available for recovery.
- the reason for removing dirt in a non-contact manner is to prevent equipment failure such as deformation of the raw material gas introduction pipe, and to prevent formation of an unfilmed portion due to adhesion of dirt.
- the direction of compressed air injection By optimizing the direction of compressed air injection, the direction of ultrasonic air blow, the position of the suction / discharge unit, and the size relationship between the amount of air and the amount of suction / discharge, the plastic chamber after film formation and the plastic container after film formation are optimized.
- the purpose is to minimize the transfer of dirt to the soil.
- the optimal timing for removing dirt aims to shorten the time required for film formation in the CVD film forming system. It shall be.
- the present invention relates to a source gas introduction pipe used in a rotary plasma CVD film forming apparatus which is a mass production machine that performs a manufacturing cycle while rotating a table having a plurality of film forming chambers arranged in a circle in one rotation.
- a source gas introduction pipe used in a rotary plasma CVD film forming apparatus which is a mass production machine that performs a manufacturing cycle while rotating a table having a plurality of film forming chambers arranged in a circle in one rotation.
- the purpose is to improve.
- the present invention uses SUS304 whose surface is polished as a base material used for a raw material gas inlet tube also serving as an internal electrode, or uses a material of hard gold alloy plating which is a surface treatment of 99.7 AU—0.3 Co. , 99.8 Au-0.2 Ni, etc.
- the purpose of the present invention is to make it possible to easily wipe off and remove dirt without causing a reaction with the surface of the gas introduction pipe.
- the cleaning method and the apparatus according to the present invention perform an operation of extracting a raw gas introduction pipe from a film forming chamber regardless of a normal CVD film forming apparatus or a single-mouth type CVD film forming apparatus.
- the purpose of the present invention is to propose a dirt prevention process in which dirt is wiped off by using the method.
- a plastic container is housed in a film forming chamber having a function of an external electrode that can be sealed and inserted into the plastic container.
- the raw material gas is introduced from a raw material gas inlet pipe which can move up and down and also serves as an internal electrode, and the raw material gas is turned into plasma to form a CVD (chemical vapor deposition) film on the inner surface of the plastic container.
- the method comprises the steps of: forming a CVD film on an inner surface of the plastic container; Extracting compressed air from the plastic container while injecting compressed air toward the dirt, and removing the dirt removed by the injection of the compressed air into the film forming chamber. Characterized in that for discharging the dirt by suction exhaust means so as not to shift to a plastic container side forming the C V D film to the outside of the deposition chamber one.
- the source gas introduction pipe may be moved in a centrifugal direction of the source gas introduction pipe from an injection part of compressed air provided at an upper portion or an upper position of the film formation chamber. It is preferable to inject compressed air for the air.
- the compressed air is injected at a predetermined interval around the outer periphery of the source gas inlet pipe (radially about the axis of the source gas inlet pipe) and is provided above or above the film forming chamber.
- the compressed air may be injected from the compressed air injection section toward the centripetal direction of the source gas introduction pipe.
- the raw material gas introduction pipe used in the CVD film forming apparatus according to the present invention is provided.
- the cleaning method it is preferable that the compressed air and the dirt are suctioned and removed by the suction / discharge unit from the suction / discharge unit provided above the injection unit.
- a compressed air injection unit is provided above or above the film formation chamber, and suction is provided above the injection unit.
- a discharge section is provided, a second injection section of compressed air is provided above the suction / discharge section, the injection section injects compressed air upward from below and the second injection section is from above. It is preferable that the compressed air is ejected downward and the suction / discharge unit sucks and removes the compressed air and the dirt.
- the compressed air jets are arranged so as to face each other in a vertical relationship around the outer periphery of the source gas introduction pipe, and one of the compressed air jets provided at the top of the film forming chamber or at the upper position is from top to bottom. And the other injects compression air from bottom to top.
- the suction / discharge means performs strong suction / discharge.
- the CVD film is formed in each of a plurality of film forming chambers arranged in a circle on a turntable.
- the compressed gas is sprayed with dirt mainly composed of carbon powder attached to the outer surface of the raw material gas introduction pipe during the process of extracting the raw material gas introduction pipe from the plastic container. It is preferable to complete the step of removing and removing the contaminated material by suction outside the system of the film forming chamber.
- the method of cleaning the raw material gas introduction pipe used in the CVD film forming apparatus is as follows.
- a plastic container is housed in a film forming chamber having a function of an external electrode which can be sealed and inserted into the plastic container. It can move up and down freely
- a source gas is introduced from a source gas inlet tube also serving as an internal electrode, and the source gas is turned into plasma to form a CVD film on the inner surface of the plastic container, the source gas is deposited on the outer surface of the source gas inlet tube.
- a step of forming a CVD film on an inner surface of the plastic container and then extracting the raw material gas introduction pipe from the inside of the plastic container The ultrasonic air is blown toward the dirt, and the suction / discharge means is used so that the dirt removed by the blowing of the ultrasonic air does not transfer to the film forming chamber and the plastic container on which the CVD film is formed.
- the step discharges the dirt out of the system of the film forming chamber.
- the source gas introduction pipe is centered from a blow unit of an ultrasonic wave provided above or above the film formation chamber. It is preferable to blow the ultrasonic wave in the direction.
- the ultrasonic air is blown at predetermined intervals around the outer periphery of the source gas inlet pipe (radially about the axis of the source gas inlet pipe) and at the upper or upper part of the film forming chamber.
- the ultrasonic air may be blown from a part of the ultrasonic air professional provided in the direction toward the centripetal direction of the raw material gas introduction pipe.
- the ultrasonic air and the dirt are sucked by the suction and discharge means from a suction and discharge section provided above the blow section. It is preferable to remove them.
- a blow unit for an ultrasonic wave is provided at an upper portion or an upper position of the film forming chamber, and A suction / discharge unit is provided at a position, and a second blow unit for ultrasonic air is provided at a position above the suction / discharge unit.
- the blow blows the ultrasonic air from bottom to top and the second blow unit Blows ultrasonic air from top to bottom and It is preferable that the suction / discharge unit sucks and removes the ultrasonic air and the dirt.
- the blow of the ultrasonic air is arranged so as to be opposed to each other in a vertical relationship around the outside of the source gas introduction pipe, and one of the blow parts of the ultrasonic air provided at the upper part or the upper position of the film forming chamber is from above Blow the ultrasonic air downwards and the other upwards.
- the amount of suction and exhaust by the suction and discharge means is larger than the amount of air supplied by the ultrasonic air. Therefore, the suction / discharge means performs strong suction / discharge.
- the CVD film is formed in each of a plurality of film forming chambers arranged in a circle on a turntable.
- a dirt mainly composed of carbon powder attached to the outer surface of the raw material gas introduction pipe is removed. It is preferable that the step of removing the contaminants by blowing the sonic air and sucking and discharging the removed contaminants out of the system of the film forming chamber is completed.
- the apparatus for cleaning a raw material gas introduction pipe used in the CVD film forming apparatus is such that a plastic container is housed in a film forming chamber having a function of an external electrode that can be sealed and inserted into the plastic container.
- the source gas is introduced from a source gas inlet tube which can be raised and lowered and also serves as an internal electrode, and the source gas is turned into plasma to form a CVD film on the inner surface of the plastic container, the outer surface of the source gas inlet tube is formed.
- the compressed air jetting unit which is jetted by the compressed air jetting unit, is provided at an upper position or an upper position of the film forming chamber. Preferably, it is arranged around the outside of the gas inlet tube.
- the compressed air injection means is formed by a tapered compressed air injection section arranged at a predetermined interval (radially about the axis of the source gas introduction pipe) around the outside of the source gas introduction pipe. Is also good.
- the suction source for suctioning and removing the compressed air and the dirt is provided at a position above the injection section. It is preferable to arrange it around the outside.
- the injection section of the compressed air injected by the compressed air injection means is provided at an upper or upper position of the film forming chamber.
- the compressed gas and a suction / discharge unit for suctioning and removing the dirt are disposed around the outside of the raw material gas introduction pipe at a position above the jetting unit.
- a second injection part of compressed air injected by the compressed air injection means is disposed around the outside of the raw material gas introduction pipe at a position above the suction / discharge part, and the compressed air injection direction of the injection part is directed upward and the It is preferable that the injection direction of the compressed air from the second injection section is directed downward.
- the compressed air is injected in such a way that one of the tapered compressed air injection parts arranged so as to face each other while the vertical relationship around the outside of the raw material gas introduction pipe alternates changes from top to bottom, and the other from bottom to top. Formed towards.
- the apparatus for cleaning a raw material gas introduction pipe used in the CVD film forming apparatus is such that a plastic container is housed in a film forming chamber having a function of an external electrode that can be sealed and inserted into the plastic container. It can move up and down freely
- a source gas is introduced from a source gas inlet tube also serving as an internal electrode, and the source gas is turned into plasma to form a CVD film on the inner surface of the plastic container, the source gas is deposited on the outer surface of the source gas inlet tube.
- the cleaning device for a raw material gas introduction pipe for cleaning dirt mainly composed of carbon powder to be used, wherein the raw material gas introduction pipe is sealed in accordance with the timing after forming a CVD film on the inner surface of the plastic container.
- the blow section of the ultrasonic wave blown by the ultrasonic air blowing means may be provided above or above the film forming chamber. It is preferable to arrange them at positions.
- the ultrasonic air blow means is disposed at a predetermined interval around the outer periphery of the source gas inlet pipe (radially about the axis of the source gas inlet pipe), and is located above or above the film forming chamber. It may be formed by an ultrasonic oscillator provided.
- a suction / discharge unit for suctioning and removing the ultrasonic air and the dirt may be arranged at a position above the blow unit. preferable.
- a blow unit for ultrasonic air blown by the ultrasonic air blowing means may be provided at an upper portion of the film forming chamber or at a position above the film forming chamber.
- the ultrasonic air and a suction / discharge unit for suctioning and removing the dirt are disposed at an upper position of the blow unit, and the ultrasonic air blown by the ultrasonic air blow unit is disposed at an upper position.
- a second blow unit is disposed above the suction / discharge unit, and the direction of the ultrasonic air blow of the blow unit is changed. It is preferable that the blow direction of the ultrasonic air of the second blow section be directed upward and downward.
- the ultrasonic air blow means is arranged so that the vertical relationship around the outer periphery of the source gas introduction pipe is alternately changed, and the ultrasonic air blow means is provided from the ultrasonic oscillator provided at the upper part or upper position of the film forming chamber.
- One of the sonic air blow sections is formed from top to bottom, and the other is formed from bottom to top.
- the plasma generating means in the film forming chamber is performed by a microwave generator.
- the method of cleaning the source gas introduction pipe used in the CVD film forming apparatus according to the present invention is as follows.
- a plastic container is housed in a sealable film formation chamber, and the source gas is inserted into the plastic container and can be moved up and down.
- the raw material gas is introduced from a tube, and the raw material gas is converted into a plasma by microwaves to form a CVD film on the inner surface of the plastic container.
- the method includes forming a CVD film on an inner surface of the plastic container, and then extracting the raw material gas introduction pipe from the inside of the plastic container.
- the compressed air is blown or the ultrasonic air is blown, and the dirt removed by the jet of the compressed air or the blow of the ultrasonic air is removed.
- the apparatus for cleaning a raw material gas introduction pipe used in the CVD film forming apparatus comprises a plastic container housed in a sealable film forming chamber, and a vertically movable source gas introduction pipe inserted into the plastic container.
- a raw material gas is introduced and the raw material gas is converted into plasma by microwaves to form a CVD film on the inner surface of the plastic container, carbon powder adhered and formed on the outer surface of the raw material gas introduction pipe is mainly used.
- Compressed air injection means and suction for discharging the dirt removed by the injection of the compressed air to the outside of the film forming chamber 1 so that the dirt is not transferred to the film forming chamber 1 and the plastic container side on which the CVD film is formed.
- Discharge means for discharging the dirt removed by the injection of the compressed air to the outside of the film forming chamber 1 so that the dirt is not transferred to the film forming chamber 1 and the plastic container side on which the CVD film is formed.
- the apparatus for cleaning a raw material gas introduction pipe used in the CVD film forming apparatus comprises a plastic container housed in a sealable film forming chamber, and a vertically movable source gas introduction pipe inserted into the plastic container.
- a raw material gas is introduced, and the raw material gas is turned into plasma by microwaves to form a CVD film on the inner surface of the plastic container, the main component is carbon powder adhered to the outer surface of the raw material gas introduction pipe.
- the cleaning device for a raw material gas introduction pipe for cleaning dirt the raw material gas introduction pipe is extracted from the plastic container at the timing after forming the CVD film on the inner surface of the plastic container.
- An introduction pipe withdrawal means for blowing ultrasonic air toward the dirt, and an ultrasonic air blow means for removing the ultrasonic air.
- Suction means for discharging the contaminants to the outside of the film forming chamber so that the dirt does not migrate to the film forming chamber and the plastic container on which the CVD film is formed.
- the base material used for the source gas introduction pipe may be SUS304 or SUS316 having a polished surface. It is preferable that the material of the hard gold alloy metal to be surface-treated is an acid hard gold metal such as 99.7 AU—0.3 Co, 99.8 Au-0.2 Ni. .
- the compressed air is injected in a non-contact state with respect to a dirt mainly composed of carbon powder adhered to the outer surface of the raw material gas introduction pipe.
- the dirt can be quickly and easily removed by blowing ultrasonic air. There is no need to worry about deforming the source gas inlet pipe to remove dirt without contact.
- an appropriate vibration is applied to the pipe wall by the pressure of the compressed air, so that the dirt can be effectively removed. Since the removed dirt is discharged to the outside by the suction / discharge means, the dirt separated from the surface of the source gas introducing pipe does not transfer to the film forming chamber and the plastic container side.
- the compressed air is injected upward from below and the dirt is sucked and discharged together with the air at the position above the dirt, the dirt transferred to the film forming chamber and the plastic container side can be minimized.
- the compressed air is jetted downward from above, dirt easily migrates to the lower film forming chamber or the plastic container side.
- the time required for film formation by the CVD film forming apparatus can be reduced by completing the dirt collection operation during the operation of pulling out the source gas introduction pipe.
- the source gas introduction pipe is cleaned each time a film is formed, so that strong adhesion of dirt can be prevented.
- the present invention can easily remove the dirt during one turn of the turntable, similarly for the source gas introduction pipe used in the one-piece plasma CVD film forming apparatus. Continuous operation of the work is possible.
- dirt can be removed easily in a short time, and the interval between disassembly and inspection can be extended, and the production operation efficiency can be improved.
- the base material used for the source gas inlet tube also serving as an internal electrode is SUS304 whose surface is polished, or the material of the hard gold alloy plating which is the surface treatment is 99.7 Au—
- acidic hard gold plating such as 0.3 Co, 99.8 Au-0.2 Ni, etc.
- FIG. 1 is a schematic diagram showing one embodiment of a film forming chamber of a CVD film forming apparatus according to the present invention and an apparatus for cleaning a source gas introduction pipe.
- FIG. 2 is a schematic view showing one embodiment of a cleaning device for a raw material gas introduction pipe used in the CVD film forming apparatus according to the present invention, wherein (a) is a longitudinal sectional view showing a relationship between a supply system and a discharge system, and (b). () Is a cross-sectional view on the compressed air supply side, and (c) is a cross-sectional view on the discharge side of carbon powder and the like.
- FIG. 3 shows a photograph of internal electrodes after 500 batches by a compressed air-in-blow method in a chamber showing one embodiment of the present invention.
- FIG. 4 shows an enlarged photograph (at a magnification of ⁇ 50) of the bottom portion of the internal electrode after the completion of the 500 batches.
- Fig. 5 shows an enlarged photograph (50x magnification) of part B of the internal electrode body after the completion of the 500 batches.
- FIG. 6 shows an enlarged photograph (at a magnification of ⁇ 50) of the mouth portion of the internal electrode bottle after 500 batches.
- FIG. 7 shows an enlarged photograph (500 times) of the internal electrode exhaust manifold section D after the completion of 500 batches.
- FIG. 8 shows an internal electrode photograph after the completion of the 2000 batch.
- FIG. 9 shows a magnified photograph (at a magnification of ⁇ 50) of the bottom of the internal electrode after the completion of the 2000 batch.
- FIG. 10 shows an enlarged photograph (50 ⁇ magnification) of part B of the internal electrode after the completion of the 2000 batch.
- Fig. 11 shows an enlarged photograph (50x magnification) of the mouth of the internal electrode bottle after the completion of 2000 batches.
- Fig. 12 shows the enlarged view (50x magnification) of the internal electrode exhaust manifold section after the completion of the 2000 batch.
- FIG. 13 shows a photograph of the internal electrodes after the completion of the 4500 batch.
- FIG. 14 shows an enlarged photograph (at a magnification of ⁇ 50) of the bottom portion of the internal electrode after the completion of the 450 batch.
- Fig. 15 shows an enlarged photograph of the internal electrode body after the completion of 450 batches (50 times magnification).
- FIG. 16 shows a magnified photograph (at a magnification of 50 ⁇ ) of the mouth portion of the internal electrode bottle after the completion of the 450 batch.
- FIG. 17 shows a photograph of the internal electrodes after the completion of 700,000 batches.
- FIG. 18 shows an enlarged photograph (at a magnification of ⁇ 50) of the bottom portion of the internal electrode after completion of the 700,000 batches.
- Fig. 19 shows an enlarged photograph (50X magnification) of part B of the internal electrode after the completion of 700,000 batches.
- FIG. 20 shows an enlarged photo (50 ⁇ ) of a portion C of the bottle mouth of the internal electrode after the completion of the 700,000 batch.
- Fig. 21 shows an enlarged image (50x) of the exhaust manifold section of the internal electrode after the completion of 700,000 batches.
- FIGS. 22A to 22E are schematic views showing another embodiment of the cleaning apparatus for the raw material gas introduction pipe used in the CVD film forming apparatus according to the present invention, which is an ultrasonic air blowing method outside the chamber, in which (a) to (e). Shows the operating state.
- FIG. 23 shows a photograph of the internal electrodes after the completion of 500 batches by the outside-chamber ultrasonic air blow method showing another embodiment of the present invention.
- FIG. 24 shows a photograph of the internal electrodes after the completion of the 20000 batch.
- FIG. 25 shows an enlarged photograph (at a magnification of ⁇ 50) of the bottom portion of the internal electrode after the completion of the 2000 batch.
- FIG. 26 shows a magnified photograph (50 ⁇ ) of the internal electrode body after the completion of the 2000 batch.
- Figure 27 is an enlarged photograph of the mouth of the internal electrode bottle after the completion of 2000 batches.
- FIG. 28 shows an enlarged photograph (50x magnification) of the internal electrode exhaust manifold section after the completion of the 2000 batch.
- FIG. 29 shows a photograph of the internal electrodes after the completion of the 4500 batch.
- Figure 30 is an enlarged photo of the bottom of the internal electrode after the completion of the 450 batch (50x magnification).
- Part A Part A is shown.
- Fig. 31 shows an enlarged photograph (50x magnification) of part B of the internal electrode body after the completion of 450 batches.
- Fig. 32 is an enlarged photograph of the mouth of the internal electrode bottle after the completion of 450 batches.
- Figure 33 shows an enlarged photograph (50x) of the D section of the internal electrode exhaust manifold after the completion of 450 batches.
- FIG. 34 shows a photograph of the internal electrode after the completion of the 700,000 batch.
- FIG. 35 shows an enlarged photograph (500 ⁇ ) of the bottom portion of the internal electrode after completion of the 700,000 batches.
- Fig. 36 shows an enlarged photograph (50X magnification) of part B of the internal electrode after the completion of the 700 batch.
- Fig. 37 shows an enlarged photo (50 times) of part C of the bottle mouth of the internal electrode after the completion of the 700 batch.
- Fig. 38 shows an enlarged photograph (50x magnification) of the exhaust manifold section of the internal electrode after the completion of 700,000 batches.
- FIG. 39 is a diagram showing the positional relationship between the measurement points A, B, C, and D.
- FIG. 40 shows a photograph of internal electrodes after the completion of 500 batches showing a comparative example.
- FIG. 41 shows an enlarged photograph (500 times) of the bottom portion of the internal electrode after 500 batches showing a comparative example.
- FIG. 42 shows an enlarged photograph (500 times) of part B of the internal electrode body after the completion of 500 batches showing a comparative example.
- FIG. 43 shows an enlarged photograph of a mouth portion of an internal electrode bottle (500 times) after 500 batches, showing a comparative example.
- FIG. 44 shows an enlarged photograph (50 ⁇ ) of the internal electrode exhaust manifold after 500 batches, showing a comparative example.
- FIG. 45 shows an internal electrode photograph after the completion of 600 batches showing a comparative example.
- FIG. 46 shows an enlarged photo (50 times) of the bottom portion of the internal electrode after the completion of 600 batches showing a comparative example.
- FIG. 47 shows an enlarged photo (50 times) of part B of the internal electrode body after completion of 600 batches showing a comparative example.
- FIG. 48 shows an enlarged photograph (50 times magnification) of the inner electrode bottle mouth after 600 batches showing a comparative example.
- FIG. 49 shows a magnified photograph (50 ⁇ ) of the internal electrode exhaust manifold section after completion of 600 batches, showing a comparative example.
- FIG. 50 is a schematic diagram showing a second embodiment of the film forming chamber 1 and the raw material gas introduction pipe cleaning apparatus of the CVD film forming apparatus according to the present invention.
- FIG. 51 is a partial conceptual diagram of the upper part of the film forming chamber when an ultrasonic air blowing means is provided instead of the compressed air injection means.
- 1 is a film forming chamber
- 2 is a raw material gas introduction pipe (internal electrode)
- 3 is a compressed air injection means
- 4 is a suction and discharge means
- 5 is a raw material gas generation source
- 6 is an external electrode
- 7 is an ultrasonic air flow.
- Professional means 8 is a plastic container
- 9 is a lid
- 9a is a lower lid
- 9b is an upper lid
- 10 is an insulator
- 1 is a compressed air injection section
- 1 la is a first injection section
- 1 lb is a second injection unit
- 12 is a suction / discharge unit
- 13 is a ring
- 14 is an air supply unit for an ultrasonic air blow unit.
- the CVD film forming apparatus includes a film forming chamber 1 and a raw material gas introducing pipe 2 serving also as an internal electrode for introducing a raw material gas to be plasmatized into a plastic container 8 accommodated in the film forming chamber 11.
- a high frequency supply means (not shown) for supplying high frequency to the external electrode 6 of the film forming chamber 1; and a dirt mainly composed of carbon powder attached to the outer surface of the internal electrode (source gas introducing pipe) 2.
- Compressed air injection means 3 for removing gas and the dirt removed from the surface of the source gas inlet pipe 2 are removed by suction so that the dirt is not transferred to the deposition chamber 11 and the plastic container 8 on which the CVD film is formed.
- This is a plasma CVD film forming apparatus equipped with a powerful suction / discharge means 4 for performing the above.
- This CVD film forming apparatus is a device for supplying a high frequency to the external electrode 6 to turn a raw material gas into plasma in the plastic container 8 and form a CVD film on the inner surface of the plastic container 8.
- one film forming chamber or a plurality of film forming chambers may be arranged.
- a batch type CVD film forming apparatus for simultaneously forming films in all film forming chambers may be used, or a plurality of film forming chambers may be installed on a turntable.
- a rotary type continuous CVD film forming apparatus may be used.
- the film forming chamber 1 includes an external electrode 6 for accommodating a plastic container 8, a raw material gas introduction tube 2 serving as a grounded internal electrode, which is disposed inside the plastic container 8 so as to be movable up and down, and a lid 9 which can be opened and closed. And form a sealable vacuum chamber.
- the lid 9 is formed of a conductive member.
- the lid 9 includes a lower lid 9a disposed above the film forming chamber 11 and an upper lid 9b disposed above the lower lid 9a.
- the upper lid 9b supports the raw material gas introduction pipe 2 also serving as an internal electrode, and can be moved up and down. As a result, the raw material gas introduction pipe 2 moves up and down as a result of raising and lowering the upper lid 9b.
- lid An insulator 10 is provided on the lower surface of 9, and the internal electrode 2 and the external electrode 6 are insulated by the insulator 10 when the raw material gas introduction pipe 2 also serving as an internal electrode is inserted into the plastic container 8.
- the means for extracting the source gas inlet pipe (not shown) is for extracting the source gas inlet pipe 2 from the inside of the plastic container 8 at the timing after forming the CVD film on the inner surface of the plastic container 8. b and a mechanism for raising and lowering the upper lid 9b.
- the lower lid 9a and the upper lid 9b are sealed from the outside by an O-ring 13 disposed therebetween.
- the lid 9 is provided with an opening that is connected to a housing space in the external electrode 6.
- the source gas introduction pipe 2 is inserted into this opening.
- a compressed air injection part 11 for injecting the air supplied from the compressed air injection means 3 toward the raw material gas introduction pipe 2. It is preferable that the injection section 11 is tapered to generate strong compressed air.
- a suction / discharge unit 12 for sucking and removing the injected compressed air and the removed dirt together is provided on the inner surface of the opening of the lid 9.
- the suction / discharge section 12 is connected to the suction / discharge means 4. By operating the suction / discharge means 4, air is suctioned using the suction / discharge section 12 as a suction port.
- FIG. 2 is a schematic view showing one embodiment of a cleaning device for a raw material gas introduction pipe used in the CVD film forming apparatus according to the present invention.
- the source gas introduction pipe internal electrode
- the compressed air passes through the inside of the lid 9 and is injected toward the source gas introduction pipe.
- the compressed air is injected in the centripetal direction around the axis of the source gas introduction pipe.
- the outer surface of the source gas introduction pipe The dirt attached to the surface can be uniformly removed.
- the removed dirt and the air by the compressed air are sucked and discharged above the injection section as shown in (a). This is to prevent dirt from falling into the mouth and entering the inside of the container.
- Discharge is performed in the direction of 360 ° around the axis of the raw material gas introduction pipe as shown in (c).
- FIG. 50 is a schematic diagram showing a second embodiment of the film forming chamber 1 and the material gas introducing pipe cleaning device of the CVD film forming apparatus according to the present invention.
- the injection section 11a of compressed air injected by the compressed air injection means 3 is disposed above or above the film forming chamber 11 and around the outside of the source gas introduction pipe 2.
- a suction / discharge unit 12 for suctioning and removing compressed air and dirt is disposed around the outside of the raw gas introduction pipe 2 at a position above the injection unit 11a.
- a second injection part 11 b of compressed air injected by the compressed air one injection means 3 is disposed around the outside of the raw material gas introduction pipe 2 at a position above the suction / discharge part 12.
- the compressed air one injection direction of the injection part 11a is directed upward and the compressed air injection direction of the second injection part 11b is directed downward, and air is suctioned from the suction / discharge part 12 disposed therebetween.
- the amount of suction and exhaust by the suction and discharge means 4 is set to be larger than the amount of compressed air supplied, so that the compressed air and dirt can be further removed without being scattered. I can do it.
- the suction and exhaust amount is 1.5 times or more the air supply amount of the compressed air.
- a space is formed inside the external electrode 6, and this space is a housing space for housing a plastic container 8 to be coated, for example, a PET bottle which is a container made of polyethylene terephthalate resin.
- the accommodation space in the external electrode 6 is formed so as to accommodate the plastic container 8 accommodated therein. That is, the accommodation space is Preferably, it is formed so as to be slightly larger than the outer shape of the stick container 8. That is, it is preferable that the inner wall surface of the housing space of the container has a shape surrounding the vicinity of the outside of the plastic container 8, particularly a similar shape. However, when a bias voltage is applied to the inner surface of the plastic container 8, the inner wall surface of the external electrode accommodating space does not need to have a shape surrounding the outer periphery of the plastic container 8, and a gap may be provided.
- the accommodation space in the external electrode 6 is sealed from the outside by a ring (not shown) arranged between the insulator 10 and the lid 9.
- the raw material gas introduction pipe 2 also serving as an internal electrode is arranged inside the external electrode 6 and inside the plastic container 8.
- the raw material gas introduction pipe 2 also serving as an internal electrode is supported by the upper lid 9b and is movable up and down together with the upper lid 9b.
- the distal end of the raw material gas introduction pipe 2 also serving as an internal electrode is arranged in a space inside the external electrode 6 and inside a plastic container 8 housed in the external electrode 6.
- a gas outlet is provided at the end of the raw material gas introduction pipe 2. Further, the raw material gas introduction pipe 2 also serving as an internal electrode is grounded.
- the raw material gas introduction tube 2 also serving as an internal electrode is formed of a conductive tubular substrate provided with a hard gold alloy.
- the conductive tubular substrate is preferably formed of SUS304 whose surface is polished.
- S U S 304 is selected for reasons of corrosion resistance and high strength. Polishing is preferably performed by mechanical processing, and is preferably finished to a mirror surface of buff # 600. Alternatively, it may be formed of SUS316.
- Hard gold alloy plating is used to suppress the reaction with dirt.
- the plating thickness is preferably 2 to 10 / ⁇ , and the type of hard gold alloy is 99.7 Au-0.3 Co, 99.8 Au-0.2 Ni, etc. It is preferably a stick.
- Pure gold plating has the best corrosion resistance but low mechanical strength such as abrasion resistance and hardness.
- Acidic hard gold 99.7 Au-0.3 Co, 99.8 Au-0.2 Ni
- the hardness of other gold alloys 25 Ag, 20 Cu
- the gold plating method is a method in which SUS304 is machined and polished (finished to a mirror surface of puff # 600), and then electrolessly plated with nickel and then gold-plated.
- the inner diameter of the raw material gas inlet tube 2 also serving as an internal electrode is preferably 1.5 mm or less, more preferably 1.0 mm or less, in order to prevent plasma from being generated inside the tube of the internal electrode. By setting the inner diameter to 1.5 mm or less, the generation of dirt inside the tube of the internal electrode can be suppressed.
- the thickness of the internal electrode is preferably 1 mm or more to ensure mechanical strength.
- the raw material gas introduction tube 2 also serving as an internal electrode as described above, it is possible to prevent dirt from sticking and to stabilize plasma discharge.
- the plastic container includes a container used with a lid, a stopper, or a seal, or a container used in an open state without using them.
- the size of the opening is determined according to the contents.
- the plastic container includes a plastic container having a predetermined thickness having an appropriate rigidity and a plastic container formed of a non-rigid sheet material.
- the filling of the plastic container according to the present invention includes beverages such as carbonated beverages or fruit juice beverages or soft drinks, and pharmaceuticals, agricultural chemicals, or dry foods that dislike moisture absorption.
- the resin used to mold the plastic container is polyethylene terephthalate resin (PET), polyethylene terephthalate-based polyester resin (cyclohexane dimethanol is used instead of ethylene glycol as the alcohol component of polyester.
- PETG polyethylene terephthalate resin
- cyclohexane dimethanol is used instead of ethylene glycol as the alcohol component of polyester.
- the copolymer obtained is called PETG, manufactured by Yeastman), polybutylene terephthalate resin, polyethylene naphthlate resin, polyethylene resin, polypropylene resin (PP), and cycloolefin copolymer resin (COC, cycloolefin).
- ionomer resin poly Chilpentene-1 resin, polymethyl methacrylate resin, polystyrene resin, ethylene-vinyl alcohol copolymer resin, acrylonitrile resin, polyvinyl chloride resin, polyvinylidene chloride resin, polyamide resin , A polyamide imide resin, a polyacetal resin, a polycarbonate resin, a polysulfone resin, or a tetrafluoroethylene resin, an acrylonitrile-styrene resin, or an acrylonitrile-butadiene styrene resin. be able to. Of these, PET is particularly preferred.
- the source gas introduction pipe 2 introduces a source gas supplied from a source gas source 5 into the plastic container.
- This source gas generation source generates a hydrocarbon gas such as acetylene.
- the source gas introduction pipe 2 supplies the source gas to the film forming chamber 1.
- the source gas generating source 5 may be provided for each film forming chamber, but the source gas is introduced into all the film forming chambers by branching from one source gas generating source. May be.
- branch pipes corresponding to the number of the film forming chambers are provided between the source gas generating source 5 and the mass flow controller (not shown).
- the number of mask openings and the number of controllers are the same as the number of film forming chambers. In any case, it is sufficient that a predetermined amount of source gas can be supplied to each of the film forming chambers.
- a source gas for example, when a DLC film is formed, aliphatic or aromatic hydrocarbons, aromatic hydrocarbons, oxygen-containing hydrocarbons, nitrogen-containing hydrocarbons, etc., which are gaseous or liquid at room temperature, are used. You. In particular, benzene, toluene, 0-xylene, m-xylene, p-xylene, cyclohexane and the like having 6 or more carbon atoms are desirable.
- aliphatic hydrocarbons especially ethylene hydrocarbons such as ethylene, propylene or butylene, or acetylene such as acetylene, arylene or 1-butyne Hydrocarbons are preferred.
- ethylene hydrocarbons such as ethylene, propylene or butylene
- acetylene such as acetylene, arylene or 1-butyne Hydrocarbons
- These raw materials may be used alone, but may be used as a mixture of two or more gases. You can do it. Further, these gases may be diluted with a rare gas such as argon or helium for use.
- a Si-containing hydrocarbon gas is used.
- the DLC film formed on the inner surface of the plastic container is a film called an i-carbon film or a hydrogenated amorphous carbon film (a_C: H), and includes a hard carbon film. Further, the DLC film is an amorphous carbon film and has SP 3 bonds.
- a hydrocarbon-based gas such as an acetylene gas, is used as a source gas for forming the DLC film.
- An Si-containing hydrocarbon-based gas is used as a source gas for forming a Si-containing DLC film.
- the accommodation space in the film forming chamber 11 is connected to a vacuum pump (not shown) via a pipe (not shown) and a vacuum valve.
- This vacuum pump is connected to an exhaust duct (not shown).
- the evacuation system may be integrated into one vacuum pump to perform the evacuation, or the evacuation may be performed by a plurality of vacuum pumps.
- the high-frequency supply means includes a fixed matching device (not shown) provided on the external electrode, and a high-frequency power supply (not shown) connected to the fixed matching device.
- the high-frequency power source generates high-frequency energy, which is the energy for converting raw material gas into plasma in a plastic container.
- the frequency of the high-frequency power supply is from 100 kHz to: LOOOMHz. For example, use a frequency of 13.56 MHz, which is an industrial frequency.
- a microwave may be supplied to the inside of the container to turn the raw material gas into plasma.
- the source gas introduction pipe does not double as the internal electrode, but the dirt is similarly formed by adhesion, so that the dirt can be similarly removed by the cleaning method and apparatus according to the present embodiment.
- FIG. 51 is a partial conceptual diagram of the upper part of the film forming chamber when an ultrasonic air blow means is provided instead of the compressed air injection means. Air is supplied to the ultrasonic air blow means 7 from the air supply means 14 for the ultrasonic air blow means, and ultrasonic vibration is applied to the air by the ultrasonic transmitter provided in the ultrasonic air blow means 7. Then, ultrasonic air is blown toward the dirt from a blow unit (not shown).
- the suction / discharge section is preferably provided above the ultrasonic air blow section, and is more preferably provided above the ultrasonic air blow section and around the outside of the raw material gas introduction pipe.
- the blow section, the suction / discharge section, and the second blow section are respectively provided around the outside of the source gas inlet pipe.
- the blow of the ultrasonic air is shown in a form of blow from one direction, but it is more preferable to blow from the centripetal direction about the axis of the source gas introduction pipe.
- the ultimate pressure was 6.65 Pa, and the deposition pressure was 26.6 Pa.
- the pressure is the degree of vacuum in the exhaust manifold.
- the gas type was C 2 H 2 (acetylene), and the gas flow rate was 50 sccm. After reaching the deposition pressure, the gas stabilization time until the start of deposition was set to 1.0 second.
- the RF output was 400 W, the frequency was 13.56 MHz, and the discharge time was 3.0 seconds.
- the air supply pressure was 0.3 MPa, and the air supply flow rate was 170 ⁇ / min.
- the exhaust flow rate was 180 ⁇ / min.
- the ascending and descending speed of the cylinder was set to about 1.1 seconds when ascending and about 0.5 seconds when descending.
- the stroke length for elevating was set at 295 mm.
- BA tube size was 6.35 mm in diameter.
- the surface treatment of the internal electrodes was Au alloy plating.
- Optical microscopy of the internal electrode (enlarged photo of internal electrode (50x)) was performed. There were four observation points (bottom, trunk, bottle mouth, exhaust manifold). The number of observations was 5 times (initial state: 1st day (500 times) — 2nd day (20000 times) 13th day (450 times) — 4th day (700 times) ))
- the surface resistance of the internal electrode was measured. There were four measurement points (bottom, body, bottle mouth, exhaust manifold). The number of measurements was 5 times (initial state: 1st day (501 times) — 2nd day (20000 times) 13th word (4500 times) _ 4th day (700 times times) ))
- the presence or absence of a film on the circumference of the measurement point is used as a reference dimension.
- the measurement points A, B, C and D in a) and b) are as follows.
- Part A is at the bottom (10 mm above the tip of the internal electrode).
- Part B is the trunk (60 mm above A).
- Part C is the mouth (100 mm above B).
- Section D is the exhaust manifold section (60 mm above C).
- Figure 39 shows the positional relationship of the measurement points.
- the high-frequency output was 400 W
- the deposition time was 3.0 seconds
- the measurement batches were 1,100,700,000 batches.
- Fig. 3 is a photograph of the internal electrodes after the 5,000 batch
- Fig. 4 is an internal electrode after the 5,000 batches.
- Fig. 5 is an enlarged photo of the internal electrode body after 500 batches (50x) Part B
- Fig. 6 is the internal electrode bottle mouth after 500 batches Part C (50x) Part C
- Fig. 7 shows an enlarged photograph (50x) of the internal electrode exhaust manifold after 500 batches are completed. Part D is shown.
- Fig. 8 is an internal electrode photograph
- Fig. 9 is an enlarged photograph of the bottom of the internal electrode after the completion of the 2000 batch (50x) part A
- Fig. 10 is an enlarged photograph of the body of the internal electrode after the completion of the 2000 batch.
- Fig. 11 is an enlarged photo of the mouth of the internal electrode bottle after the completion of 2000 batches (50x) Part C
- Fig. 12 is the interior after the completion of 2000 batches Enlarged photo of electrode exhaust manifold (50x) The D part is shown.
- Fig. 13 is a photograph of the internal electrode after the completion of the 450 batch
- Fig. 14 is an enlarged photograph of the bottom of the internal electrode after the completion of the 450 batch (50x magnification)
- part A is an enlarged view of the body of the internal electrode.
- Fig. 16 shows an enlarged photo (50x) of the internal electrode bottle mouth after the 450th batch was completed (50x).
- an enlarged photograph of the internal electrode exhaust manifold (50x magnification) No drawing is attached for D because image data is damaged.
- Fig. 17 is a photograph of the internal electrode after the completion of the 700 batch
- Fig. 18 is an enlarged photograph of the bottom of the internal electrode after the completion of the 700 batch (50X magnification)
- part A is a 700 batch Enlarged photo of the internal electrode body after completion (50x) Part B
- Figure 20 is 700 000 Enlarged photo of the inner electrode bottle mouth after batch completion (50x) Part C
- Figure 21 is 7 Enlarged photo of internal electrode exhaust manifold after batch is completed (50 times).
- Table 1 shows the surface resistance values.
- the surface is insulated at the exhaust manifold and at the mouth, even though the number of discharges is small. No significant change was observed in the bottom and trunk from the initial state to the end of the 700,000 batch.
- the reflected wave was stable at 4-7 W from the beginning to the end of the 700,000 batch.
- the matching points were stable from the beginning to 700,000 batches.
- the discharge state was also stable throughout (based on visual confirmation through a window).
- FIGS. 51 and 22 An experiment was performed using the apparatus shown in FIGS. 51 and 22.
- Fig. 2 2 As shown in (a) to (e), cleaning is started from the end of film formation (see a) (see b).
- the ultrasonic unit (ultrasonic air blow means) moves forward and blows ultrasonic air against the dirt attached to the internal electrodes.
- the internal electrode rises and cleans to the tip (lowest position) of the internal electrode by ultrasonic air blow (see c). This cleaning is performed while the internal electrodes rise.
- the ultrasonic unit retreats from the internal electrode (see d).
- the internal electrode descends and is housed in the plastic container, and the deposition chamber is sealed (see e).
- the air supply pressure was 0.3 MPa, and the air supply flow rate was 160 ⁇ / min.
- the exhaust flow rate was 180 ⁇ / min.
- Frequency 20 kHz to 4 MHz.
- the test was carried out at 100 kHz, and d) the elevating condition of the source gas inlet tube also serving as the internal electrode.
- the ascending and descending speed of the cylinder was set to about 0.7 seconds when ascending and about 0.9 seconds when descending.
- the stroke length for elevating was set at 295 mm.
- the high-frequency output was set to 400 W
- the film formation time was set to 3.0 seconds
- the measurement batch was set to 1,100,700,000 notches.
- FIG. 23 shows a photograph of the internal electrodes after the completion of the 50,000 batch. Enlarged photographs of A, B, C and D parts are not attached.
- FIG. 25 is an enlarged photo of the bottom of the internal electrode after batch 2000 (50x magnification) Part A
- Fig. 26 is the internal electrode cylinder after batch 200
- Fig. 27 is an enlarged photo of the inner electrode bottle mouth (50X) Part C
- Fig. 28 is an internal electrode exhaust manifold after 2000 batches Enlarged photo (50x) Part D is shown.
- Fig. 29 is a photograph of the internal electrode after the completion of the 450 batch
- Fig. 30 is an enlarged photograph of the bottom of the internal electrode after the completion of the 450 batch (50 times magnification), part A
- Fig. 31 is a 450 batch Enlarged photo of internal electrode body after completion (50x) Part B
- Fig. 32 450 Enlarged photo of internal electrode bottle mouth after batch completion (50x) Part C
- Fig. 33 45 Enlarged photo of internal electrode exhaust manifold after 50 batches (50x) D section is shown.
- the operation after the completion of the 700 batch is as follows.
- Fig. 34 is a photograph of the internal electrode after the completion of the 700 batch
- Fig. 34 is a photograph of the internal electrode after the completion of the 700 batch
- Fig. 34 is a photograph of the internal electrode after the completion of the 700 batch
- FIG. 35 is an enlarged photograph of the bottom of the internal electrode after the completion of the 700 batch (50 times magnification), part A, and Fig. 36 is a 700 batch Enlarged photo of internal electrode body after completion (50x) Part B, Figure 370 is 700 000 Enlarged photo of internal electrode bottle mouth after batch completion (50x) Part C, Figure 38 is 70 Enlarged photo of internal electrode exhaust manifold after 50 batches (50x) D section is shown.
- Table 3 shows the surface resistance values.
- Table 4 shows the measured values of the reflected waves.
- the reflected wave was stable at 4 to 6 W from the beginning to the end of 700,000 batches. After about 4000 batches, it was confirmed that discharge became unstable (discharge light flickered slightly according to visual observation of plasma). At that time, the reflected wave also fluctuates greatly like 9 ⁇ 25 ⁇ 6 ⁇ 5. The matching points were stable from the beginning until the end of 700,000 batches.
- Optical microscopy of the internal electrode (enlarged photo of internal electrode (50x)) was performed. There were four observation sites (bottom, trunk, bottle mouth, exhaust manifold). However, the number of observations was set to two. That is, 500 batches and 600 batches. The 600 batch is in a discharge disabled state. This was taken as the upper limit of the number of film formation.
- the surface resistance of the internal electrode was measured. There were four measurement points (bottom, body, bottle mouth, exhaust manifold). However, the number of observations was set to two. That is, 500 batches and 600 batches. The 600 batch was in a discharge-disabled state, and this was taken as the upper limit of the number of film formations.
- the measurement points A, B, C, and D in a) and b) were the same as in the chamber-in-chamber blow method.
- the high-frequency output was set to 400 W
- the film formation time was set to 3.0 seconds
- the measurement batch was set to 1,500,100,600 batches.
- the sampling for barrier property measurement was 1,500 batches.
- Sampling for visual inspection of film thickness was 1,100,500 batches.
- Fig. 40 is a photograph of the internal electrode after completion of the non-cleaning 500 batch showing the comparative example.
- Fig. 41 is an enlarged photograph of the bottom of the internal electrode after the completion of the non-cleaning 500 batch showing the comparative example.
- Fig. 42 is a non-cleaning showing a comparative example.
- Enlarged photograph of the body of the internal electrode after 500 batches have been completed (50X magnification).
- Fig. 44 shows a comparative example.
- Non-cleaning Enlarged photo of the inner electrode exhaust manifold after 500 batches (50x) Part D Are respectively shown.
- Figure 45 is a photograph of the internal electrode after the completion of the non-cleaning 600 batch showing the comparative example.
- Figure 46 is an enlarged photograph of the bottom of the internal electrode after the completion of the non-cleaning 600 batch showing the comparative example.
- Fig. 47 shows a comparative example.
- Fig. 48 shows a comparative example.
- Fig. 49 shows a comparative example.
- Fig. 49 shows a comparative example.
- Enlarged photo of internal electrode exhaust manifold (50x) The D part is shown.
- Table 6 shows the surface resistance values.
- Table 7 shows the measured values of the reflected wave.
- Example 1 In-chamber air blow method (Example 1) A comparison between the external ultrasonic air-blowing method (Example 2) and non-cleaning (comparative example) confirmed the superiority of the internal electrode cleaning according to the present embodiment.
Abstract
Description
Claims
Priority Applications (4)
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AU2003242357A AU2003242357A1 (en) | 2002-06-05 | 2003-05-21 | Method and device for cleaning raw material gas introduction tube used in cvd film forming apparatus |
JP2004511578A JP3595334B2 (ja) | 2002-06-05 | 2003-05-21 | Cvd成膜装置に使用する原料ガス導入管の清掃方法及びその装置 |
EP03733020A EP1510595A4 (en) | 2002-06-05 | 2003-05-21 | METHOD AND DEVICE FOR CLEANING A GAS INSERTION TUBE OF RAW MATERIALS USED IN A VAPOR PHASE CHEMICAL DEPOSITION FILM FORMING APPARATUS |
US10/511,607 US7189290B2 (en) | 2002-06-05 | 2003-05-21 | Method and device for cleaning raw material gas introduction tube used in CVD film forming apparatus |
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JP2002164151 | 2002-06-05 | ||
JP2002-164151 | 2002-06-05 |
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EP (1) | EP1510595A4 (ja) |
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JP2788412B2 (ja) | 1994-08-11 | 1998-08-20 | 麒麟麦酒株式会社 | 炭素膜コーティングプラスチック容器の製造装置および製造方法 |
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JP3256459B2 (ja) * | 1996-05-20 | 2002-02-12 | 株式会社大協精工 | 衛生品用容器及びその製造方法 |
US6112695A (en) * | 1996-10-08 | 2000-09-05 | Nano Scale Surface Systems, Inc. | Apparatus for plasma deposition of a thin film onto the interior surface of a container |
US5944908A (en) * | 1996-10-10 | 1999-08-31 | Henkel Corporation | Cleaning compositions and processes suitable for replacing grit blasting to clean metal mold surfaces for plastics |
JP3115252B2 (ja) | 1997-03-14 | 2000-12-04 | 麒麟麦酒株式会社 | 炭素膜コーティングプラスチック容器の製造装置および製造方法 |
JP3072269B2 (ja) | 1997-02-19 | 2000-07-31 | 麒麟麦酒株式会社 | 炭素膜コーティングプラスチック容器の製造装置および製造方法 |
KR100500656B1 (ko) * | 1997-02-19 | 2005-07-11 | 기린 비루 가부시키가이샤 | 탄소막 코팅 플라스틱 용기의 제조 장치 및 제조 방법 |
CN1235771C (zh) * | 2000-12-25 | 2006-01-11 | 三菱商事塑料株式会社 | 用于制造类金刚石薄膜涂敷的塑料容器的设备及其制造方法 |
DE10109087A1 (de) * | 2001-02-24 | 2002-10-24 | Leoni Bordnetz Sys Gmbh & Co | Verfahren zum Herstellen eines Formbauteils mit einer integrierten Leiterbahn |
CN100335376C (zh) * | 2002-04-26 | 2007-09-05 | 北海制罐株式会社 | 内表面经涂覆的塑料容器及其制造方法 |
ATE326557T1 (de) * | 2002-05-24 | 2006-06-15 | Schott Ag | Vorrichtung für cvd-behandlungen |
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2003
- 2003-05-21 EP EP03733020A patent/EP1510595A4/en not_active Withdrawn
- 2003-05-21 CN CN038129566A patent/CN1659307A/zh active Pending
- 2003-05-21 JP JP2004511578A patent/JP3595334B2/ja not_active Expired - Lifetime
- 2003-05-21 WO PCT/JP2003/006331 patent/WO2003104523A1/ja not_active Application Discontinuation
- 2003-05-21 AU AU2003242357A patent/AU2003242357A1/en not_active Abandoned
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JP2001335946A (ja) * | 2000-05-24 | 2001-12-07 | Mitsubishi Shoji Plast Kk | Cvd成膜装置及びcvd成膜方法 |
JP2002121667A (ja) * | 2000-10-12 | 2002-04-26 | Mitsubishi Shoji Plast Kk | プラスチック容器内へのdlc膜連続成膜装置及び連続成膜方法 |
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JP2021521340A (ja) * | 2018-04-18 | 2021-08-26 | カーハーエス コーポプラスト ゲーエムベーハー | 少なくとも1つのコーティングステーションを有する、中空品をコーティングするための装置、及びガスランスを洗浄するための方法 |
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Publication number | Publication date |
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US20050227019A1 (en) | 2005-10-13 |
JP3595334B2 (ja) | 2004-12-02 |
CN1659307A (zh) | 2005-08-24 |
EP1510595A1 (en) | 2005-03-02 |
US7189290B2 (en) | 2007-03-13 |
AU2003242357A8 (en) | 2003-12-22 |
AU2003242357A1 (en) | 2003-12-22 |
JPWO2003104523A1 (ja) | 2005-10-06 |
EP1510595A4 (en) | 2007-05-09 |
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