WO2010024187A1 - 連続成膜装置 - Google Patents
連続成膜装置 Download PDFInfo
- Publication number
- WO2010024187A1 WO2010024187A1 PCT/JP2009/064610 JP2009064610W WO2010024187A1 WO 2010024187 A1 WO2010024187 A1 WO 2010024187A1 JP 2009064610 W JP2009064610 W JP 2009064610W WO 2010024187 A1 WO2010024187 A1 WO 2010024187A1
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- WIPO (PCT)
- Prior art keywords
- film forming
- forming material
- chamber
- film
- evaporation source
- Prior art date
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
- C23C14/20—Metallic material, boron or silicon on organic substrates
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
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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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
- C23C14/562—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks for coating elongated substrates
Definitions
- the present invention has a film forming roll around which a belt-shaped film forming material is wound, and a thin film such as a functional thin film is continuously formed on the surface of the film forming material conveyed by the film forming roll.
- the present invention relates to a continuous film forming apparatus.
- a vacuum chamber and continuous in this vacuum chamber there is an apparatus provided with means for transporting the film forming material and means for forming various functional thin films on the surface of the film forming material to be transported by sputtering or vapor deposition.
- maintenance and setup such as replacement of evaporation sources such as sputtering sources, replacement and cleaning of masks that define the film formation area, replacement of film formation materials, and paper passing are performed every batch processing. Need to do work.
- Patent Documents 1 and 2 disclose a continuous film forming apparatus including a vacuum chamber and an evaporation source of a film forming material, the vacuum chamber having a chamber body and a side wall, and the side wall is a side wall. It is described that the door can be opened and closed with respect to the chamber body, and the evaporation source is attached to the side wall.
- the continuous film forming apparatus includes a vacuum chamber 101 installed on the lower frame 30 and evaporation sources 7L and 7R provided in the vacuum chamber 101.
- the vacuum chamber 101 includes a chamber body 15 and side walls 25 and 26.
- the chamber body 15 includes a back wall 21, a front wall 22 disposed opposite to the back wall 21, and an upper wall 23 and a lower wall 24 that connect the upper and lower ends of the back wall 21 and the front wall 22, respectively.
- a frame that opens to the left and right.
- the side walls 25 and 26 constitute left and right evaporation source door portions 16L and 16R that freely open and close the left and right openings of the chamber body 15, and the evaporation source door portions 16L and 16R respectively
- a hinge mechanism 27 provided at the side end of the back wall 21 is connected to the chamber body 15 so as to be openable and closable.
- the vacuum chamber 101 is provided with a partition plate 41 that roughly divides the inside of the vacuum chamber 101 vertically.
- a film forming roll 2 is rotatably provided in the lower part of the vacuum chamber 101.
- a film as a film forming material is wound around the film forming roll 2, and the film is conveyed at a constant speed by the rotation of the film forming roll 2.
- auxiliary rolls 5 and a plurality of auxiliary rolls 6 are rotatably provided, respectively.
- the auxiliary roll 5 transports the film forming material before film formation unwound from the unwinding unit 3 to the film forming roll 2 side, and the auxiliary roll 6 receives the film forming film 2 from the film forming roll 2 after film formation.
- the film forming material is transported to the winding unit 4 side.
- the evaporation sources 7 ⁇ / b> L and 7 ⁇ / b> R are provided at the lower part in the vacuum chamber 101 so as to be positioned on the left and right of the film forming roll 2. Further, an exhaust pump 10 for evacuating the upper part of the vacuum chamber 101 is provided at the upper part of the vacuum chamber 101.
- a tension measuring mechanism having a measuring element such as a load cell is usually attached to a part of the auxiliary rolls 5 and 6.
- the unwinding unit 3 and the winding unit 4 each have a rotating shaft and a core that is detachably provided on the rotating shaft and around which a film-forming material is wound.
- the rear wall 21 and the front wall 22 are provided with a rotation drive unit that supports the rotation shaft in a detachable and rotatable manner.
- the film forming roll 2 and the auxiliary rolls 5 and 6 are rotatably supported by the back wall 21 and the front wall 22.
- the evaporation sources 7L and 7R are detachably attached to the side walls 25 and 26R, that is, the side door portions 16L and 16R.
- the film forming material before film forming is wound around the core of the unwinding unit 3 in a coil shape, while the core of the winding unit 4 is formed around the core after the film forming.
- the membrane material is in an empty state that has not yet been wound up.
- the film wound around the core of the unwinding unit 3 is continuously supplied to the film forming roll 2 via the auxiliary roll 5, and the outer peripheral surface of the film forming roll 2.
- the film is wound around the core provided in the winding unit 4 again through the auxiliary roll 6 on the winding unit side.
- the tension measuring mechanism attached to the auxiliary roll detects the tension of the film forming material, and the detected value is fed back to the rotation driving unit, and the rotation shafts of the unwinding unit and the winding unit are torque-controlled. The Thereby, a predetermined tension is applied to the film forming material.
- the left and right evaporation source door portions 16L and 16R are opened, and the evaporation sources 7L and 7R attached to the evaporation source door portions 16L and 16R are pulled out of the chamber. In this state, maintenance and replacement of the evaporation sources 7L and 7R are performed.
- the empty unwinding unit 3 and the fully wound winding unit 4 are unloaded from the evaporation source door, and a new unit is loaded instead. Such unloading and loading operations of the unwinding unit 3 and the winding unit 4 are referred to as unit replacement operations in this specification.
- the evaporation source door portion of the vacuum chamber 101 may not be the side walls 25 and 26.
- the left and right divided portions divided from the central portion of the vacuum chamber 101 for example. It may be constituted by.
- the vacuum chamber 101 shown in FIG. 7 is divided into a left divided part 34L, a central divided part 33, and a right divided part 34R, and the left divided part 34L and the right divided part 34R are respectively left and right evaporation sources.
- the door portions 16L and 16R are configured.
- the central divided portion 33 and the left divided portion 34L are mutually divided by a first divided surface 31 that passes through one side end portion of the back wall 21, one side portion of the front wall 22, the upper surface wall 23 and the lower surface wall 24.
- the central dividing portion 33 and the right dividing portion 34R are a second division passing through the other side end portion of the back wall 21 and the other side portion of the front wall 22, and the upper surface wall 23 and the lower surface wall 24.
- the surfaces 32 are separated from each other.
- the continuous film forming apparatus shown in FIG. 7 and the continuous film forming apparatus shown in FIGS. 5 and 6 are collectively referred to as a double-side open type continuous film forming apparatus.
- the two-side-open type continuous film forming apparatus is excellent in space efficiency and maintainability.
- an unwinding unit or a winding device are used.
- the unit replacement operation is performed through a side opening that is opened when the evaporation source door is opened.
- the unwinding unit or the winding unit is provided above the vacuum chamber, these units It may be difficult to carry out the exchange work of taking out and putting in through the side opening.
- An object of the present invention is to provide a continuous film forming apparatus in which an unwinding unit and a winding unit for transporting a film forming material can be easily replaced.
- a continuous film forming apparatus according to the present invention is provided with a vacuum chamber, a film forming roll that is rotatably provided in the vacuum chamber, around which the film forming material is wound, and a film forming roll wound around the film forming roll.
- An evaporation source of the film-forming material for supplying and depositing a film-forming material on the film-forming material, and a rotation source disposed above the film-forming roll in the vacuum chamber, the film-forming material being An unwinding unit that supplies the film forming roll, and a winding unit that is rotatably disposed above the film forming roll in the vacuum chamber and winds up the film forming material after film formation.
- the vacuum chamber includes an evaporation source opening for loading and unloading the evaporation source into and from the vacuum chamber, an evaporation source door for opening and closing the evaporation source opening, and the evaporation source opening.
- a film forming material opening for loading and unloading the unwinding unit and the winding unit into and out of the vacuum chamber provided at a position, and the evaporation source door part are provided separately from the film forming film.
- a film forming material door for opening and closing the material opening are provided separately from the film forming film.
- FIG. 1 is a cross-sectional front view of a continuous film forming apparatus according to a first embodiment of the present invention.
- (A) is sectional drawing of the atmosphere distribution suppression part contained in the said continuous film-forming apparatus, Comprising: The figure which shows the state before the seal mechanism act
- (b) is sectional drawing of the said atmosphere distribution suppression part, It is a figure which shows the state after the seal
- It is a cross-sectional front view of the continuous film-forming apparatus which concerns on 2nd Embodiment of this invention.
- FIG. 5 to 7 Components common to those of the conventional continuous film forming apparatus shown in FIGS. 5 to 7 are denoted by the same reference numerals, and the description thereof is omitted or simplified, which is different from the conventional apparatus. The explanation will focus on the part.
- the continuous film forming apparatus includes a vacuum chamber 1 as shown in FIG.
- the vacuum chamber 1 is installed on the lower frame 30 and includes an upper chamber 1H and a lower chamber 1L positioned below the upper chamber 1H.
- the chambers 1H and 1L are connected to each other via an atmosphere circulation suppression unit 11 that forms a transport path 12 for transporting the film forming material F.
- the unwinding unit 3 and the winding unit 4 are provided in the upper chamber 1H.
- Each of these units 3 and 4 includes a rotation shaft that is detachably mounted in a vertical direction with respect to a rotation driving unit provided on the chamber side, and is rotatably provided.
- a plurality of auxiliary rolls 5 and a plurality of auxiliary rolls 6 are provided in the lower chamber 1L.
- the auxiliary roll 5 conveys the film forming material F unwound from the unwinding unit 3 in the upper chamber 1H to the lower chamber 1L side through the conveying path 12 of the atmosphere circulation suppressing unit 11, and the auxiliary roll 6
- the film forming material F formed in the lower chamber 1L is guided to the winding unit 4 in the upper chamber 1H through the transfer path 12.
- an exhaust pump 10 is attached to the upper chamber 1H, and the exhaust pump 10 is attached to a central portion of the upper surface wall 23H constituting the upper chamber 1H.
- the upper chamber 1H is further provided with degassing promotion means.
- This degassing promotion means promotes separation of gas components (mainly water vapor) adhering to the film forming material F while the film forming material F unwound from the unwinding unit 3 is conveyed to the lower chamber 1L.
- gas components mainly water vapor
- a plurality of heaters 46 disposed adjacent to the film forming material F. Note that the auxiliary roll 5A for meandering the film forming material F is not essential, and at least one heater is sufficient.
- the upper chamber 1H has an upper chamber main body 15H and film forming material door portions 17L and 17R provided on the left and right sides thereof.
- the upper chamber body 15H has openings for film forming materials at positions on the left and right sides of the unwinding unit 3 and the winding unit 4 for carrying the unloading unit 3 and the winding unit 4 into the upper chamber 1H and unloading from the upper chamber 1L.
- the film forming material door portions 17L and 17R are arranged so as to open and close the film forming material openings.
- the film forming material door portions 17L and 17R are respectively constituted by left and right side portions of the upper surface wall 23H, left and right triangular side portions of the rear wall 21H and the front wall 22H, and left and right side walls 25H and 26H.
- the upper chamber body 15H is composed of the central portions of the rear wall 21H and the front wall 22H of the upper chamber 1H, the central portion of the upper wall 23H and the lower wall 24H, and has a trapezoidal shape when viewed from the front.
- the upper inner ends of the film forming material door portions 17L and 17R are connected to the upper chamber main body 15H via a hinge mechanism 27 so as to be pivotable, that is, openable and closable around a horizontal axis.
- the portions 17L and 17R bring the inside of the upper chamber body 15H into an airtight state at the closed position.
- the unwinding unit 3 is disposed on the left side of the upper chamber 1H, and the winding unit 4 is disposed on the right side. Therefore, by opening and closing the left or right film-forming material door portions 17L and 17R, The output unit 3 or the winding unit 4 can be easily replaced. Further, since the film forming material door portions 17L and 17R include the left and right side portions of the upper surface wall, the film forming material door portions 17L and 17R are opened to open the unwinding unit 3 and the winding unit 4. Each of the diagonally upper portions can be widely opened, thereby enabling these units to be attached to and detached from the rotational drive unit from obliquely upward. That is, unit replacement work can be facilitated.
- This continuous film forming apparatus further includes a work deck 48.
- the work deck 48 is provided between the upper chamber 1H and the lower chamber 1L, so that the take-out unit 3 and the take-up unit 4 can be easily taken out from the upper chamber 1H and attached to the upper chamber 1H.
- the work deck 48 according to this embodiment is provided in the vicinity of the lower surface of the upper chamber 1H so as to widely cover the area around the lower chamber 1L. Therefore, the work deck 48 can divide the upper and lower atmospheres to prevent the atmosphere in the area around the lower chamber 1L from affecting the upper side of the work deck 48.
- the lower chamber 1L is provided with a partition plate 41 that divides the interior of the lower chamber into an upper chamber and a lower chamber.
- a film forming roll 2 is rotatably provided in the lower chamber, and the plurality of auxiliary rolls 5 and the plurality of auxiliary rolls 6 are provided in the upper chamber.
- the auxiliary roll 5 supplies the film forming material F conveyed from the upper chamber 1H to the film forming roll 2, and the auxiliary roll 6 transfers the film forming material F after film formation from the film forming roll 2 to the upper chamber. Transport to 1H side.
- a plurality of auxiliary rolls 6 are rotatably provided.
- a tension measuring mechanism for measuring the tension of the film-forming material F can be attached to a part of the auxiliary rolls 5 and 6, and based on the measured tension, the material to be conveyed is conveyed.
- the tension of the film forming material F can be controlled.
- a mechanism for performing pre-processing before film formation of the film-forming material F a mechanism for performing post-processing of the film-forming material F after film formation, if necessary,
- Various measuring devices for measuring the characteristics of the film forming material F can be provided.
- evaporation sources 7L1, 7L2, and 7R are stored in the lower chamber.
- the evaporation sources 7L1 and 7L2 are attached to the inner side surface of the left side wall 25L of the lower chamber 1L so as to be positioned on the left side of the film forming roll 2, and the evaporation source 7R is positioned on the right side of the film forming roll 2. It is attached to the inner surface of the right side wall 26L of the lower chamber 1L.
- the left side wall 25L and the right side wall 26L constitute a left evaporation source door portion 16L and a right evaporation source door portion 16R, respectively.
- the back wall 21L, the front wall 22L, the upper wall 23L, and the lower wall 24L of the lower chamber 1L constitute a rectangular cylindrical lower chamber body 15L that opens to the left and right sides.
- the left side wall 25L and the right side wall 25R are connected to the lower chamber body 15L so as to open and close the left and right openings, that is, the evaporation source openings, respectively, and the side walls 25L and 25R are closed to close the inside of the lower chamber 1L. Keep it airtight.
- the evaporation sources 7L1, 7L2, and 7R can be taken out of the chamber simply by opening the evaporation source doors 16L and 16R during maintenance and replacement of the evaporation sources 7L1, 7L2, and 7R. Work is easy.
- the evaporation source according to the present invention is not necessarily attached to the side walls 25L and 26L, and may be provided, for example, on the lower wall portion 24L.
- the mechanism for enabling the opening and closing operations of the evaporation source door portions 16L and 16R and the film forming material door portions 17L and 17R is not limited to the hinge mechanism, and may be a parallel movement mechanism, for example.
- the door part for evaporation sources according to the present invention is not limited to the one that opens and closes the entire side wall as in the present embodiment, and may be one that opens and closes a part thereof.
- two evaporation sources 7L1 and 7L2 provided on the left side of the thin film roll 2 are DMS (dual magnetron sputtering) evaporation sources, and one evaporation source 7R on the right side is a DC sputtering evaporation source.
- the evaporation source according to the present invention is not limited to this example, and can be appropriately selected from, for example, an RF sputtering evaporation source, a rotary magnetron sputtering evaporation source, an arc evaporation source, a plasma CVD film forming mechanism, and the like.
- partition plates 42 on the left and right are provided below the film forming roll 2.
- These partition plates 42 have a height in which the upper end is close to the outer peripheral surface of the film forming roll 2, and divides three regions arranged side by side.
- three exhaust pumps 10 are arranged so as to exhaust each partitioned area independently.
- These exhaust pumps 10 are attached to the lower wall 24L so as to protrude into the lower frame 30 and exhaust around the evaporation source independently of the entire exhaust mechanism of the lower chamber 1L (not shown). By doing so, the film-forming quality can be improved.
- the exhaust pump 10 and the partition plates 41 and 42 may be omitted as appropriate, and the entire lower chamber 1L may be evacuated by a single exhaust system.
- the atmosphere circulation suppression unit 11 interconnects the lower chamber 1L and the upper chamber 1H, and forms a conveyance path 12 that allows passage of the film forming material F before and after film formation.
- This transport path 12 has a very small cross section compared to the cross section of the lower chamber 1L (the cross section viewed from above) and extends vertically, so that it is between the upper chamber 1H and the lower chamber 1L.
- the distribution of atmospheric gas can be suppressed. As a result, it is possible to suppress a gas such as water vapor generated during unwinding or heating of the film forming material F from the unwinding unit 3 in the upper chamber 1H from flowing into the lower chamber 1L.
- the film forming quality during the film forming process can be improved.
- the atmosphere circulation between the upper and lower chambers is suppressed even if the atmosphere circulation suppression unit 11 forms the conveyance path 12 having a small cross section. It is more preferable to provide a seal mechanism 13 that completely shuts off.
- the sealing mechanism 13 is configured such that the film forming material doors 17L and 17R are opened and the upper chamber 1H is opened to the atmosphere for detaching the unwinding unit 3 and the winding unit 4 before and after the film forming operation.
- the atmosphere in the lower chamber 1L can be kept under reduced pressure. Thereby, adsorption
- the seal mechanism 13 includes a pair of upper and lower shut-off valves 14A and 14B. Sealing materials made of rubber or the like are attached to appropriate positions of the shutoff valves 14A and 14B.
- a valve chamber 11a adjacent to the transfer path 12 is formed in the atmosphere flow suppressing unit 1, and the shutoff valves 14A and 14B are stored in the valve chamber 11a.
- These shutoff valves 14A and 14B are each driven by a cylinder (not shown) or other drive mechanism, and advance and retract between a shutoff position shown in FIG. 2B and a retracted position shown in FIG. .
- shut-off valves 14A and 14B are switched to the shut-off position when transport of the film forming material F is stopped, and enclose the transport path 12 with the film forming materials F before and after film formation overlapped with each other.
- the film forming material F is sandwiched between the inner surface and the upper and lower spaces of the shutoff valves 14A and 14B are isolated from each other (that is, the transport path 12 is separated). Seal by blocking up and down).
- the shutoff valves 14A and 14B are moved back to the retracted position to allow the film forming material F to move.
- the sealing valves 14A and 14B in the blocking position only sandwich the film-forming material F between the inner surface of the transfer path 12, and thus the seal may be incomplete.
- the space between the upper shut-off valve 14A and the lower shut-off valve 14B is auxiliary exhausted (for example, in the direction indicated by the right-pointing arrow in FIG. 2) by the auxiliary vacuum exhaust mechanism. preferable.
- the atmosphere circulation suppression unit 11 that connects the upper chamber 1H and the lower chamber 1L is provided in only one place.
- the atmosphere flow suppression unit according to the present invention includes a first atmosphere flow suppression unit that forms a first transport path for transporting the film formation material F before film formation, and a film formation after film formation. You may comprise with the 2nd atmosphere distribution suppression part which forms the 2nd conveyance path for conveyance of the material F independently of the said 1st conveyance path.
- the film forming material F after film formation may be further provided with a second seal mechanism for blocking the circulation of the atmosphere in the second conveyance path.
- the operation of the continuous film forming apparatus according to this embodiment will be described in order.
- the upper chamber 1H and the lower chamber 1L constituting the vacuum chamber 1 are each evacuated.
- the film forming material F is unwound from the unwinding unit 3 detachably accommodated in the upper chamber 1H and conveyed.
- the heater 46 heats the film-forming material F, and the gas components efficiently separated thereby are exhausted (degassed) by the exhaust pump 10.
- the film forming material F that has been degassed is continuously supplied to the film forming roll 2 while being guided by the auxiliary roll 5.
- film forming materials evaporated from the left and right evaporation sources 7L1, 7L2, and 7R are deposited on the surface of the film forming material F, whereby film formation is performed.
- the film-forming material F after film formation is returned to the upper chamber 1H from the film-forming roll 2 via the auxiliary roll 6 on the carry-out side, and taken up by the take-up roll 4 detachably accommodated in the upper chamber 1H. It is done.
- the inside of the vacuum chamber 1 is returned to atmospheric pressure. Then, the 1 L evaporation source door portions 16L and 16R of the lower chamber are opened, and the evaporation sources 7L1, 7L2 and 7R are pulled out from the lower chamber 1L, and maintenance thereof is performed.
- the film forming material door portions 17L and 17R are opened, all the film forming materials F are sent out, and the unwinding unit 3 which is emptied and the film forming material F after the film forming are formed. The fully wound winding unit 4 is taken out. Then, the unwinding unit 3 in which the unprocessed film forming material F is fully wound and the empty winding unit 4 not winding the film forming material F are set in the upper chamber 1H.
- this apparatus includes the sealing mechanism 13, the film forming operation is stopped before the film forming material F of the unwinding unit 3 is completely removed. Then, the shutoff valves 14A and 14B of the seal mechanism 13 are driven to the shut-off position while the lower chamber 1L is kept in a reduced pressure state, whereby the film forming material F before and after the film formation is surrounded by the atmosphere flow suppression unit surrounding the transport path 12.
- the upper space 1H is pressed to the inner surface of 11 to separate the upper and lower spaces from each other, while only the upper chamber 1H is opened to the atmosphere.
- the film forming material F before and after film formation sandwiched between the shutoff valves 14A and 14B and the inner side surface in the transfer path 12 is cut on the upper chamber 1H side.
- the film forming material F before film formation is connected to the film forming material F fed from the unwinding unit 3 while being transferred.
- the end of the film forming material F after film formation sandwiched in the path 12 is attached to an empty core of the winding unit 4. Thereafter, the upper chamber 1H is evacuated and the operation is resumed.
- the continuous film forming apparatus includes a vacuum chamber 1 as shown in FIG.
- the vacuum chamber 1 is installed on the lower frame 30 similarly to the vacuum chamber 1 according to the first embodiment, and is composed of an upper chamber 1H and a lower chamber 1L, and constitutes an upper chamber 1H and a lower chamber 1L.
- the back wall 21 and the front wall 22 are each composed of a single member that extends over the entire area in the vertical direction.
- the isolation wall 36 is provided in the site
- Atmospheric flow suppression unit 11 is provided at the center of the isolation wall 36.
- the atmosphere circulation suppression unit 11 surrounds a transport hole that allows the film-forming material F to be transported before and after film formation through the isolation wall 36.
- the atmosphere circulation suppression unit 11 may have a cylindrical main body surrounding the conveyance path.
- the apparatus according to the second embodiment also includes a work deck 48, and the work deck 48 is provided around the lower portion of the upper chamber 1H so as to cover a region around the lower chamber 1L.
- This apparatus also includes a film forming roll 2, an unwinding unit 3, a winding unit 4, a plurality of auxiliary rolls 5, a plurality of auxiliary rolls 6, and evaporation sources 7L1, 7L2, and 7R. Both the units 3 and 4 are detachably and rotatably provided in the upper chamber 1H. Each auxiliary roll 5 is rotatably provided in the lower chamber 1L so as to guide the film forming material F before film formation to the lower chamber 1L side, and each auxiliary roll 6 is provided with the film forming material F after film formation. Is rotatably provided in the lower chamber 1L so as to be guided from the lower chamber 1L to the winding unit 4 side.
- the film forming roll 2 is rotatably provided in the lower chamber 1L.
- the evaporation sources 7L1, 7L2, and 7R two evaporation sources 7L1 and 7L2 correspond to DMS evaporation sources and are provided on the left side of the film forming roll 2, and one evaporation source 7R is DC sputter evaporation. It corresponds to a source and is provided at a position on the left side of the film forming roll 2.
- other evaporation sources may be used according to the film forming method.
- any of the auxiliary rolls 5 and 6 may be provided with a tension measuring mechanism, and the rotation control of the unwinding unit 3 and the winding unit 4 may be performed based on the measurement result.
- the lower chamber 1 has a lower chamber body 15L, which includes the isolation wall 36, a portion of the back wall 21 below the isolation wall 36, and the front wall 22.
- An evaporation source opening is formed on both the left and right sides, which is formed by a portion below the isolation wall 36 and the lower wall 24.
- the lower chamber 1 has left and right side walls 25L and 26L, which constitute left and right evaporation source door portions 16L and 16R that open and close the respective evaporation source openings.
- the left evaporation sources 7L1 and 7L2 are attached to the inner surface of the left evaporation source door portion 16L
- the right evaporation source 7R is attached to the inner surface of the right evaporation source door portion 16R. Accordingly, each of the evaporation sources 7L1, 7L2, and 7R moves out and out of the lower chamber 1L as the left and right evaporation source door portions 17L and 17R open and close.
- the upper chamber 1H has an upper chamber body 15H, which is the isolation wall 36, a portion of the back wall 21 above the isolation wall 36, and the front wall 22 of the An opening for the film forming material is formed which is composed of a portion above the isolation wall 36 and the side walls 25H and 26H and opens upward. Further, the upper chamber 1H includes an upper surface wall 23, and the upper surface wall 23 is configured by the hinge mechanism 27 so as to constitute the film forming material door portion 17 that opens and closes the film forming material opening.
- the upper chamber 1H is hermetically sealed in the closed position by being rotatably connected to the wall 26H.
- the lower chamber 1L includes Only one exhaust pump 10 is provided. Similarly, one exhaust pump 10 is provided in the upper chamber 1H.
- the number of exhaust pumps is not limited and can be set as necessary.
- the upper wall 23 of the upper chamber 1H constitutes a film-forming material door 17 that opens and closes the upward film-forming material opening, so that the film-forming material door 17 is opened.
- the carrying-in / out operation from the upper chamber 1H of the unwinding unit 3 and the winding unit 4 before and after the film forming operation is easily performed using an overhead crane or the like.
- the work deck 48 not only facilitates the replacement work of the unwinding unit 3 and the winding unit 4, but also prevents the dust atmosphere generated during the maintenance of the evaporation source from contaminating the upper space of the work deck. it can. That is, it is possible to prevent the film forming material F from being contaminated during the unit replacement operation.
- the back wall 21 and the front wall 22 are shared for the upper chamber 1H and the lower chamber 1L constituting the vacuum chamber, the number of parts of the apparatus is reduced, the manufacturing is facilitated, and the manufacturing cost is reduced. Is realized.
- the continuous film forming apparatus of the third embodiment includes a vacuum chamber 1, a film forming roll 2, an unwinding unit 3, a winding unit 4, a plurality of auxiliary rolls 5 and a plurality of auxiliary members as shown in FIG. A roll 6 and evaporation sources 7L1, 7L2, and 7R are provided.
- the vacuum chamber 1 has a chamber body 15 and left and right side walls 25 and 26. Unlike the second embodiment, the inside of the vacuum chamber 1 is not partitioned by an isolation wall.
- the chamber body 15 includes a rear wall 21, a front wall 22, an upper surface wall 23, and a lower surface wall 24, and forms evaporation source openings on the left and right.
- the side walls 25 and 26 are connected to the chamber body 15 through a hinge mechanism to constitute left and right evaporation source door portions 16L and 16R that open and close the respective evaporation source openings, respectively, at the closed position.
- the inside of the vacuum chamber 1 is made airtight.
- Left and right film forming material openings are formed in the upper surface wall 23, and left and right film forming material door portions 17L and 17R are provided so as to open and close these openings, respectively.
- the upper surface wall 23 is provided with a central support member 28 that protrudes upward at a position between the openings for the film forming material, and each door for the film forming material is provided via a hinge mechanism.
- the parts 17L and 17R are attached. These film forming material door portions 17L and 17R seal the vacuum chamber 1 in the closed position.
- the apparatus according to this embodiment also includes a work deck 48.
- the work deck 48 is provided in the vicinity of the upper end portions of the evaporation source door portions 16L and 16R so as to cover an area around the vacuum chamber 1.
- the unwinding unit 3 and the winding unit 4 are detachably and rotatably provided at the upper part in the vacuum chamber 1, and the auxiliary rolls 5 and 6 are rotatable at the middle stage in the vacuum chamber 1.
- the film forming roll 2 is provided at the lower part in the vacuum chamber 1 so as to be rotatable.
- Two evaporation sources 7L1 and 7L2 of the evaporation sources are attached to the inner side surfaces of the left evaporation source door portions 16L and 16R so as to be positioned on the left side of the film forming roll 2, and the evaporation source 7R It is attached to the inner surface of the right evaporation source door portions 16L and 16R so as to be positioned on the right side of the film roll 2.
- These evaporation sources 7L1, 7L2, and 7R move out of the chamber as the evaporation source door portions 16L and 16R open and close.
- This apparatus includes a single exhaust pump 10 which is attached to the lower wall 24 of the vacuum chamber 1 so as to protrude into the lower frame 30.
- left and right film-forming material openings and film-forming material door portions 17L and 17R for opening and closing the left and right film-forming material openings are provided on the upper wall 23 of the vacuum chamber 1, and the unwinding unit 3 and the take-up unit are directly underneath. Since the unit 4 is disposed, the unwinding unit 3 is moved from the left film-forming material opening before and after the film-forming operation with the film-forming material door portions 17L and 17R opened. From the opening for film-forming material on the right side, it can be easily carried in and out of the vacuum chamber 1 using an overhead crane or the like.
- the work deck 48 not only facilitates the replacement work of the unwinding unit 3 and the winding unit 4, but also separates the upper and lower atmospheres in the vicinity of the upper ends of the evaporation source door portions 16L and 16R, It is possible to suppress the film forming material F from being exposed to a dust atmosphere accompanying the maintenance of the evaporation source below the film forming material F, thereby stabilizing and improving the film forming quality.
- the vacuum chamber 1 can facilitate the replacement operation with a very simple structure in which the film forming material door portions 17L and 17R are provided on the upper wall of the conventional vacuum chamber.
- the film-forming material openings and film-forming material doors according to the present invention are not limited to those provided on the left and right sides of the upper surface wall 23 as shown in FIG. 4, but the upper surface as shown in FIG. The whole wall may constitute a single film forming material door.
- the side walls 25L and 26L of the lower chamber 1L or the side walls 25 and 26 of the vacuum chamber 1 constitute the evaporation source door portions 16L and 16R, but the vacuum chamber 101 shown in FIG.
- the left and right divided portions may constitute an evaporation source door portion.
- the present invention provides a continuous film forming apparatus in which an unwinding unit and a winding unit for transporting a film forming material can be easily replaced.
- the continuous film forming apparatus includes a vacuum chamber, a film forming roll that is rotatably provided in the vacuum chamber, around which the film forming material is wound, and a film forming film that is wound around the film forming roll.
- An evaporation source of the film-forming substance for supplying and depositing the film-forming substance on the material, and the film-forming material is disposed in the vacuum chamber so as to be rotatable above the film-forming roll.
- a winding unit that is rotatably disposed above the film forming roll in the vacuum chamber and winds up the film forming material after film forming.
- the vacuum chamber includes an evaporation source opening for loading and unloading the evaporation source into and from the vacuum chamber, an evaporation source door for opening and closing the evaporation source opening, and the evaporation source opening.
- a film forming material opening for loading and unloading the unwinding unit and the winding unit into and out of the vacuum chamber provided at a position, and the evaporation source door part are provided separately from the film forming film.
- a film forming material door for opening and closing the material opening.
- the vacuum chamber may include an upper chamber that houses the unwinding unit and the winding unit, and a lower chamber that houses the film forming roll and the evaporation source.
- the film-forming material opening and the film-forming material door may be provided in the upper chamber
- the film-forming material opening and the evaporation source door may be provided in the lower chamber.
- the film forming material opening and the film forming material door provided in the upper chamber allow the unwinding unit and the winding unit housed in the upper chamber to be easily passed through the film forming material opening. To be exchanged for.
- the continuous film forming apparatus further includes a work deck for carrying in and out the unwinding unit and the winding unit through the film forming material opening, and the work deck is the evaporation source door. More preferably, it is provided so as to cover a region around the lower chamber above the portion.
- This work deck not only facilitates the replacement work of each unit, but also prevents the deposition material from being adversely affected by dust generated from the evaporation source maintained outside the lower chamber through the evaporation source opening. Can be prevented.
- the unwinding unit and winding unit replacement work and the evaporation source maintenance work are performed simultaneously.
- the work deck separates the area around the film-forming material door portion and the area around the evaporation source door portion, and has a higher cleanliness than the lower area of the work deck.
- the continuous film forming apparatus further includes a heater provided in the upper chamber and for heating the film forming material unwound from the unwinding unit during transport.
- This heater promotes separation of gas components (mainly water vapor) adhering to the film forming material before the film forming material in the upper chamber is unwound from the unwinding unit and transferred to the lower chamber. Accordingly, the amount of gas released from the film forming material during film formation can be reduced and the film formation quality can be improved.
- the continuous film forming apparatus further includes an atmospheric flow suppression unit that connects the upper chamber and the lower chamber, and the atmospheric flow suppression unit is provided between the upper chamber and the lower chamber.
- the film-forming material after film formation from the lower chamber to the upper chamber is transferred from the upper chamber to the lower chamber, while suppressing the circulation of the atmosphere. It is more preferable to form a conveyance path having a shape that allows this conveyance.
- the atmosphere circulation suppression unit allows gas components to be generated during unwinding or degassing of the film forming material while allowing the film forming material to be transported between the lower chamber and the upper chamber. Can be prevented from flowing into the lower chamber from the upper chamber, and the film formation quality in the lower chamber can be improved.
- the conveyance path formed by the atmosphere circulation suppression unit has, for example, a shape that extends in the vertical direction and has a smaller cross section than the cross section in the upper chamber and the lower chamber as viewed from above. Is preferred.
- the film forming materials before and after the film formation are stacked on the inner peripheral surface surrounding the transfer path while overlapping the film formation materials in the transfer path formed by the atmosphere flow suppression unit. It is more preferable to provide a seal mechanism that blocks the circulation of the atmosphere through the conveyance path. This sealing mechanism can block the circulation of the atmosphere through the conveyance path by effectively using the film deposition material even though the film deposition material exists in the conveyance path. This makes it possible to keep the atmosphere in the lower chamber decompressed even if the upper chamber is opened to the atmosphere for replacing the unwinding unit and the winding unit before and after the film forming operation.
- the atmosphere distribution suppression unit includes a first atmosphere distribution suppression unit that forms a first transfer path for transferring a film forming material before film formation from the upper chamber to the lower chamber, and the lower chamber. It may have a 2nd atmosphere distribution control part which forms the 2nd conveyance way for conveyance of the deposition material after film formation to the above-mentioned upper chamber independently of the 1st conveyance way. .
- a first seal mechanism that shuts off the flow of the atmosphere in the first transport path in a state where the film-forming material before film formation is inserted into the first transport path, and the second seal You may provide the 2nd seal mechanism which interrupts
- the continuous film forming apparatus further includes a work deck for carrying in and out the unwinding unit and the winding unit through the film forming material opening, and the film forming material opening.
- the film forming material door may be provided on an upper wall of the vacuum chamber, and the work deck may be provided so as to cover a region around the vacuum chamber above the evaporation source door.
- the work deck provided in this way makes it possible to lift the unwinding unit and the winding unit from the upper part of the vacuum chamber, thereby facilitating the replacement work of the unit.
- the film forming material door need only be provided on the upper wall of the vacuum chamber, the structure of the apparatus is simple and easy to implement.
- the work deck can suppress or prevent the influence of the surrounding area below the vacuum chamber from extending upward, thereby improving the film formation quality.
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Abstract
Description
Claims (9)
- 被成膜材の表面に成膜物質からなる膜を生成する連続成膜装置であって、
真空チャンバーと、
この真空チャンバー内に回転可能に設けられ、周囲に前記被成膜材が巻き掛けられる成膜ロールと、
前記成膜ロールに巻き掛けられた被成膜材に成膜物質を供給して堆積させるための当該成膜物質の蒸発源と、
前記真空チャンバー内において前記成膜ロールの上方に回転可能に配置され、前記被成膜材を前記成膜ロールに供給する巻出ユニットと、
前記真空チャンバー内において前記成膜ロールの上方に回転可能に配置され、成膜後の被成膜材を巻き取る巻取ユニットとを備え、
前記真空チャンバーは、この真空チャンバー内に対する前記蒸発源の搬入および搬出のための蒸発源用開口と、この蒸発源用開口を開閉する蒸発源用ドア部と、前記蒸発源用開口とは別の位置に設けられる、前記真空チャンバー内に対する前記巻出ユニットおよび前記巻取ユニットの搬入および搬出のための被成膜材用開口と、前記蒸発源用ドア部とは別に設けられて前記被成膜材用開口を開閉する被成膜材用ドア部とを有する、連続成膜装置。 - 請求項1記載の連続成膜装置において、前記真空チャンバーは、前記巻出ユニットと巻取ユニットを収納する上部チャンバーと、前記成膜ロールおよび蒸発源を収納する下部チャンバーとで構成され、前記上部チャンバーに前記被成膜材用開口および前記被成膜材用ドア部が設けられ、前記下部チャンバーに前記蒸発源用開口および前記蒸発源用ドア部が設けられる、連続成膜装置。
- 請求項2記載の連続成膜装置において、さらに、前記被成膜材用開口を通じて前記巻出ユニットおよび巻取ユニットの搬入搬出作業を行う作業デッキを備え、この作業デッキが前記蒸発源用ドア部の上方に前記下部チャンバーの周辺の領域を覆うように設けられる、連続成膜装置。
- 請求項2記載の連続成膜装置において、さらに、前記上部チャンバー内に設けられ、前記巻出ユニットから巻き出された被成膜材を搬送中に加熱するヒータを備える、連続成膜装置。
- 請求項2記載の連続成膜装置において、さらに、前記上部チャンバーと前記下部チャンバーとを接続する雰囲気流通抑制部を備え、この雰囲気流通抑制部は、前記上部チャンバーと前記下部チャンバーとの間での雰囲気の流通を抑制しながら、前記上部チャンバー内から前記下部チャンバー内への成膜前の被成膜材の搬送および前記下部チャンバー内から前記上部チャンバー内への成膜後の被成膜材の搬送を許容する形状の搬送路を形成する、連続成膜装置。
- 請求項5記載の連続成膜装置において、前記雰囲気流通抑制部が形成する搬送路は、上下方向に延び、かつ、上から見た当該搬送路の横断面が前記上部チャンバーおよび前記下部チャンバー内の横断面よりも小さい形状を有する、連続成膜装置。
- 請求項6記載の連続成膜装置において、さらに、前記雰囲気流通抑制部が形成する前記搬送路内で前記成膜前後の被成膜材を重ね合わせながらこれらを当該搬送路を囲む内周面に押付けることにより当該搬送路を通じての雰囲気の流通を遮断するシール機構を備える、連続成膜装置。
- 請求項5記載の連続成膜装置において、前記雰囲気流通抑制部は、前記上部チャンバーから前記下部チャンバーへの成膜前の被成膜材の搬送のための第1の搬送路を形成する第1の雰囲気流通抑制部と、前記下部チャンバーから前記上部チャンバーへの成膜後の被成膜材の搬送のための第2の搬送路を前記第1の搬送路とは独立して形成する第2の雰囲気流通抑制部とを有する、連続成膜装置。
- 請求項1記載の連続成膜装置において、さらに、前記被成膜材用開口を通じて前記巻出ユニットおよび巻取ユニットの搬入搬出作業を行うための作業デッキを備え、前記被成膜材用開口および前記被成膜材用ドア部が前記真空チャンバーの上面壁に設けられ、前記作業デッキが前記蒸発源用ドア部の上方で前記真空チャンバーの周辺の領域を覆うように設けられる、連続成膜装置。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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EP09809838A EP2319953A4 (en) | 2008-08-27 | 2009-08-21 | DEVICE FOR CONTINUOUS FILM GENERATION |
US13/060,224 US8821638B2 (en) | 2008-08-27 | 2009-08-21 | Continuous deposition apparatus |
CN2009801335230A CN102131956A (zh) | 2008-08-27 | 2009-08-21 | 连续成膜装置 |
KR1020117004529A KR101292459B1 (ko) | 2008-08-27 | 2009-08-21 | 연속 성막 장치 |
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JP2008217805A JP5241383B2 (ja) | 2008-08-27 | 2008-08-27 | 連続成膜装置 |
JP2008-217805 | 2008-08-27 |
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WO2010024187A1 true WO2010024187A1 (ja) | 2010-03-04 |
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PCT/JP2009/064610 WO2010024187A1 (ja) | 2008-08-27 | 2009-08-21 | 連続成膜装置 |
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US (1) | US8821638B2 (ja) |
EP (1) | EP2319953A4 (ja) |
JP (1) | JP5241383B2 (ja) |
KR (1) | KR101292459B1 (ja) |
CN (1) | CN102131956A (ja) |
WO (1) | WO2010024187A1 (ja) |
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Also Published As
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EP2319953A4 (en) | 2012-05-30 |
CN102131956A (zh) | 2011-07-20 |
US8821638B2 (en) | 2014-09-02 |
JP2010053382A (ja) | 2010-03-11 |
EP2319953A1 (en) | 2011-05-11 |
KR20110034691A (ko) | 2011-04-05 |
JP5241383B2 (ja) | 2013-07-17 |
US20110139072A1 (en) | 2011-06-16 |
KR101292459B1 (ko) | 2013-07-31 |
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