WO2006038407A2 - 真空成膜装置 - Google Patents
真空成膜装置 Download PDFInfo
- Publication number
- WO2006038407A2 WO2006038407A2 PCT/JP2005/016218 JP2005016218W WO2006038407A2 WO 2006038407 A2 WO2006038407 A2 WO 2006038407A2 JP 2005016218 W JP2005016218 W JP 2005016218W WO 2006038407 A2 WO2006038407 A2 WO 2006038407A2
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- WO
- WIPO (PCT)
- Prior art keywords
- target
- magnetic field
- forming apparatus
- film forming
- vacuum film
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/34—Sputtering
- C23C14/35—Sputtering by application of a magnetic field, e.g. magnetron sputtering
- C23C14/352—Sputtering by application of a magnetic field, e.g. magnetron sputtering using more than one target
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—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
- C23C14/205—Metallic material, boron or silicon on organic substrates by cathodic sputtering
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3402—Gas-filled discharge tubes operating with cathodic sputtering using supplementary magnetic fields
- H01J37/3405—Magnetron sputtering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3447—Collimators, shutters, apertures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05D1/00—Processes for applying liquids or other fluent materials
- B05D1/62—Plasma-deposition of organic layers
Definitions
- the present invention relates to a vacuum film forming apparatus, and more particularly to a vacuum film forming apparatus in which a magnetic field forming device is arranged inside a substantially cylindrical hollow frame.
- the improvement of the flat target sputtering equipment that is widely used as a standard improves the efficiency of the film-forming process that combines the functions of sputtering and plasma polymerization (for example, shortening tact time and extending the life of the target).
- the inventors of the present application have determined that a radical review of the target configuration of the sputtering apparatus, for example, in the form of a cylinder, is essential from the viewpoint of the efficiency of the film forming process for the reflector.
- Patent Document 1 Japanese Patent Laid-Open No. 3-104864
- Patent Document 2 Japanese Patent Laid-Open No. 11-29866
- Patent Document 3 JP-A-5-263225
- Patent Documents 1 to 4 the technical idea of using a part of a cylindrical member as a target and performing the plasma polymerization function using this cylindrical member is shown. It has not been.
- any one of Patent Documents 1 to 4 is a technique for adjusting the deposition distribution of particles deposited on a substrate by the interaction of magnetic fields of a magnetic field forming device inherent in a pair of adjacent cylindrical members. Not disclosed.
- the present invention has been made in view of the above circumstances, and a part of a cylindrical member (more precisely, a substantially cylindrical member that is a curved member curved into a plurality of sectors) is used as a sputtering target. It is an object of the present invention to provide a vacuum film forming apparatus intended to add a plasma polymerization function using this cylindrical member.
- the magnetic field when the magnetic field is formed along the width direction of the curved surface of the target that is curved in the width direction and extends in the axial direction, the magnetic field is generated at the shaft end of the target. It is an object of the present invention to provide a vacuum film forming apparatus capable of appropriately dealing with the uneven target erosion.
- the present invention also provides a vacuum film forming apparatus that adjusts the deposition distribution of particles deposited on a substrate by the interaction of magnetic fields of a magnetic field forming apparatus inherent in a pair of adjacently arranged hollow frames. Objective.
- a vacuum film forming apparatus includes a conductive vacuum chamber having an internal space, and a curved surface that is disposed in the internal space and is curved in the width direction.
- a target that extends in the axial direction, a magnetic field forming device that forms a magnetic field on the target along the width direction of the curved surface, and an opening that faces a central portion of the curved surface in the axial direction.
- a conductive shield plate disposed with its surface facing the end surface of the opening, and the curved surface located at the axial end of the target is covered by the shield plate.
- the shield plate desirably covers the curved surface located at both axial ends of the target.
- the shield plate is bent along the curved shape of the curved surface, whereby the curved surface located at the axial end of the target is covered with the shield plate.
- the curved surface of the target corresponding to the axial end portion of the target is covered by the shield plate, which is suitable for non-uniform target erosion caused by the state of the magnetic field at the axial end of the target. It becomes possible to cope with.
- the shape of the target may be a substantially cylindrical shape including a plurality of curved members that are curved in a fan shape.
- a plate disposed between the target and the magnetic field forming device is provided, When a predetermined power is applied to the plate, plasma is formed in the vicinity of the curved surface of the target protruding from the opening force.
- the target can be rotated about its axial direction in order to control the target to be stripped uniformly by sputtering and to maximize the life of the target.
- the magnetic field forming device that may be configured as described above may be configured to be rotatable along the width direction of the curved surface of the target independently of the rotation of the target.
- the vacuum film forming apparatus has a substantially cylindrical shape by arranging a conductive vacuum chamber having an internal space and a plurality of fan-shaped curved members arranged side by side in the internal space.
- a frame body configured as described above, and a magnetic field forming device that is disposed inside the frame body and that forms a magnetic field along the circumferential direction of the frame body, At least one of these is a target used for sputtering, and the region of the frame body is an apparatus used for plasma polymerization except for a curved member corresponding to the target.
- sputtering film formation is performed using one curved member as a sputtering target among a plurality of substantially cylindrical members that are also curved in a fan shape.
- the plasma composite film is executed using the area excluding the curved member.
- the magnetic forming device holds a plurality of magnets and the magnet and is substantially parallel to the inner peripheral surface of the frame body. And a fan-shaped yoke portion.
- a vacuum film-forming apparatus includes a conductive vacuum chamber having an internal space, and cylindrical first and second hollow frames arranged in the internal space so as to be arranged at a distance from each other.
- a cylindrical first plate disposed between the first hollow frame body and the first magnetic field forming device, and between the second hollow frame body and the second magnetic field forming device. And a cylindrical second plate arranged, and the first plate and the second plate may be alternately used as an anode and a cathode.
- the curved surface of the target that is curved in the width direction and extends in the axial direction is also provided.
- a vacuum film forming apparatus capable of appropriately dealing with non-uniform target erosion caused by the state of the magnetic field at the axial end of the target is also obtained.
- a vacuum film forming apparatus that adjusts the deposition distribution of particles deposited on the substrate by the interaction of the magnetic fields of the magnetic field forming devices inherent in a pair of adjacent hollow frames can be obtained.
- FIG. 1 is a cross-sectional view of a vacuum film forming apparatus according to the present embodiment, and is a cross-sectional view of a cylindrical hollow frame disposed inside a vacuum chamber.
- FIG. 2 is a cross-sectional view of the vacuum film forming apparatus according to the present embodiment, and is a cross-sectional view along the axial direction of the hollow frame.
- Fig. 4 (a) is a plan view of the magnet placed on the back of the target in a plan view (direction along the axial direction of the target), and Fig. 4 (b) is due to the magnetic field of the magnet.
- Fig. 4 (c) is a schematic drawing of the shape of the erosion formed on the target surface along with the opening of the earth shield plate.
- Fig. 4 (c) is a cross-section along the CC line shown in Fig. 4 (b).
- FIG. 6 is a diagram schematically showing the arrangement relationship between the earth shield plate and the target.
- First curved member sputtering target
- Second curved member metal plate for plasma polymerization
- FIGS. 1 and 2 are both cross-sectional views of the vacuum film forming apparatus according to the present embodiment. More specifically, FIG. 1 is a circular hollow frame disposed inside a vacuum chamber. FIG. 2 is a cross-sectional view taken along the axial direction of the hollow frame. FIG. 3 is a plan view of the arrangement relationship between the hollow frame and the earth shield plate as viewed in the direction along the central axis of the hollow frame.
- the vacuum film forming apparatus 100 mainly includes a vacuum chamber 13 composed of a conductive container 11 and a lower lid 12 that can depressurize the internal space 10 that is maintained in a predetermined gas atmosphere, and a space between the internal space 10 and the interior thereof.
- a conductive earth shield plate 18 shield plate formed with a servo motor 19 that generates a driving force for rotating the first and second hollow frames 15 and 16, and a drive of the servo motor 19
- a timing belt 20 for transmitting the force to the first and second hollow frames 15, 16, and a servo
- the pulley 22 and the magnetic field forming device 33 (described later) incorporated in each of the first and second hollow frame bodies 15 and 16 are connected to the first and second hollow frame bodies 15 and 16, respectively. Independently, it is constituted by a pair of drive devices (not shown) that rotate in the circumferential direction along the inner peripheral surfaces of the first
- FIG. 1 shows an example in which the first and second hollow frame bodies 15 and 16 are rotated in the same direction (both clockwise or counterclockwise) by the timing belt 20.
- the first hollow frame body 15 is rotated clockwise and the second hollow frame body 16 is rotated counterclockwise. It is possible.
- the curved surface force of the sputtering target can be controlled so that it can be uniformly peeled off by sputtering as will be described in detail later. You can earn as much as you can.
- a work 23 formed by plastic molding with a mold is arranged so that the deposition surface 23a is exposed to the internal space 10, and the work 23 is deposited on the deposition surface 23a.
- a deposited film is formed by sputtered particles or a plasma polymerization reaction.
- the container 11 is disposed on the lower lid 12 via an annular insulator 24, and the lower lid 12, the insulator 24, and the container 11 are bolted or the like in a state where the internal space 10 is sealed by the O-ring 25.
- the fixing means 29 are connected to each other.
- a conductive earth shield plate 18 that divides the internal space 10 surrounded by the container 11 and the lower lid 12 into an upper internal space 10a and a lower internal space 10b in the vertical direction suppresses abnormal discharge. Arranged for purpose.
- the earth shield plate 18 is connected to the grounded container 11 (vacuum chamber 13), and the opening 17 of the earth shield plate 18 is kept insulated from the first curved member 31.
- the first bending member 31 is disposed so as to be sufficiently close to the surface.
- three gas introduction ports 26 communicating with a gas supply source are provided in the side wall portion of the container 11 in the upper internal space 10a, and the side wall portion of the container 11 in the lower inner space 10b is provided. Is provided with one gas exhaust port 27 communicating with an exhaust device (not shown).
- a predetermined gas is introduced from the gas introduction port 26 toward the upper internal space 10a, the gas is supplied to the end face 17a of the opening 17 of the earth shield plate 18 and the first and second hollow frames 15, 16 It flows into the lower internal space 10b through a gap between the surface of the gas and finally exhausted from the gas exhaust port 27 to the outside of the container 11.
- the gas introduction port 26 is provided in the upper internal space 10a, the pressure in the upper internal space 10a is higher than that in the lower internal space 10b, thereby generating in the lower internal space 10b. Sputtered particles enter the upper internal space 10a and become sputtered particles. The resulting contamination of the upper internal space 10a can be appropriately suppressed.
- first and second hollow frames 15 and 16 will be described in detail with reference to FIG. 1 and FIG.
- the first and second hollow frame bodies 15 and 16 both have the same configuration.
- the configuration of the second hollow frame body 15 will be described, and the second hollow frame body 15 will be described. I omit the explanation of the composition of the body 16
- the configuration in which the first hollow frame 15 is cut into a ring mainly includes a metallic (for example, copper) cylindrical backing plate 30 and an outer peripheral surface of the backing plate 30. And first and second curved members 31 and 32 which are arranged and curved in a fan shape.
- a magnetic field forming device 33 is arranged along the inner peripheral surface of the backing plate 30 inside the backing plate 30.
- the backing plate 30 is connected to a medium frequency (MF) power supply 28 via a predetermined cable, so that medium frequency power for plasma formation is applied to the knocking plate 30. Is done.
- MF medium frequency
- the knocking plate 30 also serves as a water reservoir member that stores cooling water 43 that cools the magnetic field forming device 33 and the like. The flow of the cooling water 43 will be described later.
- Both the first and second bending members 31, 32 have a curved surface that is curved in the width direction, and extend with a substantially uniform curvature of the curved surface in the axial direction.
- the configuration in which the first and second bending members 31 and 32 are combined forms a substantially cylindrical frame that covers almost the entire outer peripheral surface of the knocking plate 30, and the first and second bending members 31 and 32 are combined.
- Both of the outer shapes of the bending members 31 and 32 have a shape in which the cylinder is almost halved in the axial direction.
- the shape of the bending member is not limited to this.
- the shape of the cylindrical shape may be divided into four.
- the first bending member 31 may be a target used in a sputtering apparatus.
- the first curved member 31 is an aluminum target.
- the magnetic field forming device 33 is also controlled so that the curved surface of the sputtering target is uniformly peeled off by sputtering.
- the first hollow frame body is independent of the rotation of the second hollow frame body 15 (first curved member 31) by an appropriate driving device (not shown). It is configured to be rotatable in the circumferential direction along 15 inner peripheral surfaces (more precisely, the inner peripheral surface of the backing plate 30).
- the rotation range of the magnetic field forming device 33 is limited to the plasma forming region in the lower internal space 10b, and the magnetic field forming device 33 has a ground shield plate as shown by the solid line and the thin two-dot chain line in FIG.
- a region corresponding to the first bending member 31 protruding from the 18 openings 17 is configured to swing along the inner peripheral surface of the backing plate 30.
- the magnet 34 constituting the magnetic field forming device 33 has an S pole side in the circumferential direction of the fan-shaped yoke portion 35, as can be understood from FIGS. 1, 2 and 4 (a).
- a first rod-shaped magnet 34a attached to the center of the yoke portion 35 so as to extend substantially in the center and with the N pole side facing the backing plate 30 and extending parallel to the axial direction of the backing plate 30, and the N pole Mounting on one end in the circumferential direction of the yoke part 35 with the side facing the one end in the circumferential direction of the yoke part 35 and the S pole side facing the backing plate 30 side so as to extend parallel to the axial direction of the backing plate 30
- the second rod-shaped magnet 34b, and the N pole side extends to the other end side in the circumferential direction of the yoke portion 35 and the S pole side extends to the backing plate 30 side, and extends in parallel to the axial direction of the knocking plate 30.
- the third rod-shaped magnet 34c attached to the other circumferential end of the yoke portion 35 and the one axial end of the first, second and third rod-shaped magnets 34a, 34b, 34c are connected to each other as a magnetic circuit.
- the first sector magnet 34d attached to one end of the first magnet 34d and the other end in the axial direction of the first, second and third bar magnets 34a, 34b, 34c are magnetized to each other.
- the configuration of the first hollow frame 15 along the axial direction has a flange 46a that can be positioned while closely fitting to the opening formed in the side wall of the container 11, as shown in FIG.
- the annular flat plate bearing metal 46 abutting against the end of the backing plate 30 in the axial direction, and the pipe 41 into the through hole 47 like the flat plate bearing metal 46.
- a cylindrical flange portion 48 having a flange portion 48a to be brought into close contact with the flat plate bearing metal 46 in a state of being penetrated, and the pipe 41 and the magnetic field forming device 33 are appropriately connected to the through hole 47 of the flange portion 48.
- Knocking plate 30, first and second Bending members 31, 32 has a second Boo Lee 22 annular rotating the flat bearing metal 46 and the flange portion 48 (see FIG. 1), the.
- the magnetic field forming device 33 and the pipe 41 are fixed to the flange portion 48 via the rotary seal portion 49, so that the magnetic field forming device 33 and the pipe 41 are connected to each other.
- the hollow frame 15 can be rotated (oscillated) independently of the rotation of the hollow frame 15 .
- each of the fixed contact surface and the sliding contact surface of each member shown in FIG. 2 is appropriately subjected to a vacuum seal such as an O-ring.
- a vacuum seal such as an O-ring.
- Fig. 4 (a) is a plan view of the magnet arranged on the back of the target (in the direction along the axial direction of the target), and Fig. 4 (b) is due to the magnetic field of the magnet. Is a diagram schematically showing the shape of the erosion formed on the target surface together with the opening of the earth shield plate.
- Fig. 4 (c) is a cross-sectional view schematically showing the positional relationship between the ground shield plate and the target along the line CC in Fig. 4 (b).
- the thinned portion of the target 31 corresponds to the erosion 60, and more specifically, the long axis direction of the horseshoe-shaped (elliptical) erosion 60 shown in FIG. 4 (b). Of erosion 60a force generated by magnetic fields 36, 37.
- the depth of the erosion 60a in the major axis direction is increased, and the target 31 is completely peeled off in the thickness direction of the target 31, and the erosion 60a in the major axis direction becomes the backing plate 30 below the target 31.
- the target 31 can no longer be used and the target 31 must be replaced. Therefore, for the purpose of obtaining the life of the target 31 as much as possible, the first to third rod-shaped magnets 34a, 34b, 34c are swung in the circumferential direction, or the target 31 itself is rotated in the circumferential direction, so that the target 31
- the curved surface is controlled to be stripped uniformly by sputtering.
- the first and second fan-shaped magnets 34d, 34e stabilize the magnetic circuit between the first to third rod-shaped magnets 34a, 34b, 34c, and thereby
- This is a magnet that improves the balance of the magnetic fields generated at the axial ends of the third rod-shaped magnets 34a, 34b, 34c, and is not necessarily an essential magnet.
- it is time-consuming to manufacture a fan-shaped magnet, and it is desirable to eliminate the above-mentioned fan-shaped magnets 34d and 34e if the problems caused by the instability of the magnetic circuit can be solved by the method described below.
- the area of the erosion 60b in the short axis direction is wider in the circumferential direction than the area of the erosion 60a in the long axis direction, thereby causing the first and second fan magnets 34d and 34e to move in the circumferential direction.
- the depth direction progress of the erosion 60b in the minor axis direction is the degree of progress in the depth direction of the erosion 60a in the major axis direction. Faster than. For this reason, the life force of the target 31 is governed by the depth direction progress of the erosion 60b in the minor axis direction. As a result, the entire curved surface of the target 31 cannot be used evenly, and the material of the target 31 is wasted. become.
- the axial length of the opening 17 of the earth shield plate 18 is the target corresponding to the formation region of the erosion 60b in the short axis direction.
- the earth shield plate 18 is bent into a headband shape along the curved shape of the curved surface located at both end portions in the axial direction of the target 31.
- the curved surfaces located at both ends in the axial direction of the target 31 are appropriately covered with the earth shield plate 18, and the formation of the erosion 60b in the short axial direction is suppressed.
- the earth shield plate 18 plays a role of improving target erosion non-uniformity (rapid erosion progress) caused by the state of the magnetic field at the shaft end of the target 31.
- the axial length of the opening 17 of the earth shield plate 18 corresponds to a region where the erosion 60a in the long axis direction is disturbed. Adjust so that both ends of the target 31 in the axial direction can be covered.
- the earth shield plate 18 is bent into a headband shape along the curved shape of the curved surface located at both ends.
- the earth shield plate 18 plays a role of improving target erosion non-uniformity (erosion shape disorder) caused by the state of the magnetic field at the shaft end of the target 31.
- the first curved member 31 among the substantially cylindrical members composed of the first and second curved members 31 and 32 is sputtered.
- Sputtering film formation used as a target is executed, and plasma polymerization film formation is executed using a metal or ceramic material that is difficult to be sputtered on the second bending member 32.
- the operation of the vacuum film forming apparatus 100 will be described by taking the plasma reaction on the surface of the first hollow frame 15 shown in FIG. 1 as an example.
- the plasma reaction in the second hollow frame 16 is also the same as the reaction described here, and the description of its operation is omitted.
- Ar gas as atmospheric gas for plasma generation is introduced into the lower internal space 10 b of the vacuum chamber 13 through the gas introduction port 26 from the gas supply source.
- the MF power supply 28 is operated, and thereby, the MF power 28 of about 10 KHz to 350 KHz is applied to the backing plate 30.
- the first curved member 31 (the aluminum target )
- the aluminum nuclear power on the surface of the workpiece 23 is struck out by the sputtering action as particles to deposit the deposited surface 23a of the work 23, whereby an aluminum film is formed on the deposited surface 23a of the workpiece 23.
- the first hollow frame 13 is rotated about 180 ° by the servo motor 19, whereby the second bending member 32 (for example, a stainless metal plate) is moved to the lower internal space 10 of the vacuum chamber 13. exposed to b. Then, while maintaining the plasma state, it is introduced into the lower internal space 10b of the HMDS gas power vacuum chamber 13 as a raw material gas for plasma polymerization through the gas introduction port 26 from the gas supply source. Then, the HMDS monomer particles are activated by being excited by plasma, and then the HMDS monomer particles undergo a radical polymerization reaction to become an HMDS polymer.
- the second bending member 32 for example, a stainless metal plate
- the HMDS converted into a polymer by radical polymerization is deposited on the aluminum film of the work 23, whereby a SiOx film is formed on the deposition surface 23a.
- a gas such as O, O, or N 2 O is used as a radical polymerization reaction.
- a dual magnetron drive is used in which a backing plate 30 disposed between the pair 33 and the pair is used as an anode and a cathode alternately.
- the vacuum film forming apparatus 100 continuously forms the sputtering aluminum film and the plasma polymerization SiOx film on the deposition surface 23 a of the work 23.
- the aluminum film and the SiOx film can be switched quickly, and the film forming process of the vacuum film forming apparatus 100 can be made more efficient (tact shortened).
- the magnetic field of the magnetic field forming device 33 inherent in the pair of first and second hollow frame bodies 15 and 16 disposed adjacent to each other. It becomes possible to adjust the deposition distribution of the particles deposited on the deposition surface 23a of the work 23 by the interaction.
- the magnetic field forming device 33 inherent in each of the first and second hollow frames 15, 16 is shown by the thin two-dot chain line in FIG. Due to the proximity of both third bar magnets 34c.
- the magnetic flux distribution of the mutual magnetic field 37 is affected.
- the distribution of the particles deposited on the deposition surface 23a by the mutual interference of the magnetic field 37 is intended so as to offset the non-uniformity of particle deposition on the deposition surface 23a of the workpiece 23 due to a mounting failure of the workpiece 23.
- An example of the work 23 is a substrate obtained by molding plastic with a mold.
- the mold itself attached with the plastic substrate should be used as the lower lid 12 shown in FIG. Is also possible.
- the first bending member 31 and the second bending member 32 have been fan-shaped (more precisely, semicircular fan-shaped), the first bending member 31 has been used as a notching target, and
- the configuration of the members 31 and 32 is not limited to this.
- the first curved member 31 is used as a cylindrical sputter target. You can use it. This maximizes the lifetime of the sputtering target.
- the first bending member 31 and the second bending member 32 are both fan-shaped sputtering targets, and the material composition of the first bending member 31 and the second bending member 32 is the same. Different configurations may be used. For example, if the material of the first bending member 31 is aluminum, the material of the second bending member 32 is different from the sputter target material used as the first bending member 31, for example, titanium, chromium, copper Or a sputter target with material strength like gold It may be. Thus, when the joint portion between the first bending member 31 and the second bending member 32 enters the lower internal space 10b, the materials of the first bending member 31 and the second bending member 32 are sputtered together. As a result, an alloy film having both material forces is deposited on the deposition surface 23a of the work 23.
- the second curved member 32 is a member for plasma polymerization.
- the vacuum film forming apparatus 100 is used as an apparatus specialized for sputtering film formation.
- the description of the configuration of the second hollow frame body has been omitted as appropriate on the assumption that the configuration of the first hollow frame body 15 and the configuration of the second hollow frame body 16 are the same.
- the material composition of the sputtering target of the hollow frame 16 may be different from that of the second hollow frame! / ⁇
- the material for the sputtering target of the first hollow frame 15 is used as the material for the sputtering target of the first hollow frame 15, while metal other than aluminum, titanium, chromium, copper or gold is used as the material for the sputtering target of the second hollow frame 16.
- the alloy film is deposited on the deposition surface 23a of the work 23 by the particles emitted from the sputtering targets of the first hollow frame 15 and the second hollow frame 16.
- the example in which the rotation range of the magnetic field forming device 33 is limited to the plasma forming region in the lower internal space 10b has been described so that the magnetic field forming device 33 can enter the region of the upper internal space 10a. You can configure it.
- the contaminated part is rotated and moved to the upper internal space 10a to clean it. It becomes possible to do. That is, the contaminated portion of the curved member is rotated and moved to the upper internal space 10a, and the magnetic field forming device 33 is also rotated and moved to the upper inner space 10a so as to correspond to the contaminated portion. In this state, the sputtering operation is performed. Then, the contaminant adhering to the bending member can be peeled off by the sputtering action.
- the target can be appropriately cleaned even when the entire bending member is configured as a cylindrical target. It can also be used as an electrode for plasma polymerization film formation.
- the vacuum film forming apparatus according to the present invention is useful as an apparatus for forming a multilayer film for reflectors for in-vehicle front lamps and rear lamps, for example.
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Abstract
Description
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/662,563 US20080289957A1 (en) | 2004-09-14 | 2005-09-05 | Vacuum Film Forming Apparatus |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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JP2004-266878 | 2004-09-14 | ||
JP2004266878A JP2006083408A (ja) | 2004-09-14 | 2004-09-14 | 真空成膜装置 |
Publications (2)
Publication Number | Publication Date |
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WO2006038407A2 true WO2006038407A2 (ja) | 2006-04-13 |
WO2006038407A3 WO2006038407A3 (ja) | 2006-06-22 |
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PCT/JP2005/016218 WO2006038407A2 (ja) | 2004-09-14 | 2005-09-05 | 真空成膜装置 |
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US (1) | US20080289957A1 (ja) |
JP (1) | JP2006083408A (ja) |
KR (1) | KR20070053167A (ja) |
CN (1) | CN1973059A (ja) |
TW (1) | TW200609368A (ja) |
WO (1) | WO2006038407A2 (ja) |
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- 2004-09-14 JP JP2004266878A patent/JP2006083408A/ja not_active Withdrawn
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2005
- 2005-09-05 KR KR1020067026714A patent/KR20070053167A/ko not_active Application Discontinuation
- 2005-09-05 US US11/662,563 patent/US20080289957A1/en not_active Abandoned
- 2005-09-05 WO PCT/JP2005/016218 patent/WO2006038407A2/ja active Application Filing
- 2005-09-05 CN CNA2005800207398A patent/CN1973059A/zh active Pending
- 2005-09-09 TW TW094130976A patent/TW200609368A/zh unknown
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WO1992001081A1 (en) * | 1990-07-06 | 1992-01-23 | The Boc Group, Inc. | Method and apparatus for co-sputtering and cross-sputtering homogeneous films |
JP2003183823A (ja) * | 2001-12-17 | 2003-07-03 | Sharp Corp | スパッタ装置 |
Also Published As
Publication number | Publication date |
---|---|
JP2006083408A (ja) | 2006-03-30 |
WO2006038407A3 (ja) | 2006-06-22 |
CN1973059A (zh) | 2007-05-30 |
US20080289957A1 (en) | 2008-11-27 |
TW200609368A (en) | 2006-03-16 |
KR20070053167A (ko) | 2007-05-23 |
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