WO2016185714A1 - マグネトロンスパッタリング装置用の回転式カソードユニット - Google Patents
マグネトロンスパッタリング装置用の回転式カソードユニット Download PDFInfo
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- WO2016185714A1 WO2016185714A1 PCT/JP2016/002409 JP2016002409W WO2016185714A1 WO 2016185714 A1 WO2016185714 A1 WO 2016185714A1 JP 2016002409 W JP2016002409 W JP 2016002409W WO 2016185714 A1 WO2016185714 A1 WO 2016185714A1
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- target
- path
- passage
- fluid circulation
- cylindrical body
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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
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
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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
- C23C14/34—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
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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
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3414—Targets
Definitions
- the present invention relates to a rotary cathode unit used in a magnetron sputtering apparatus.
- This type of rotary cathode unit is known from Patent Document 1, for example.
- This conventional example includes a cylindrical target, a drive block for rotationally driving the target, and a fluid circulation means having a fluid circulation passage for circulating a fluid as cooling water or compressed air.
- the driving block is provided with a fluid inlet and outlet, and a first forward path of the fluid circulation passage leading to the inlet and a first return path of the fluid circulation path leading to the outlet are provided therein.
- a pipe is provided in the target, and the space between the target and the pipe constitutes the second forward path of the fluid circulation path that leads to the first forward path, and the internal space of the pipe leads to the first return path.
- a second return path of the fluid circulation passage is configured.
- a cap body that closes the end opening of the target is attached to the end of the target on the drive block side.
- a fluid passage is formed in the cap body, and an inflow opening that allows inflow of fluid from the second forward passage to the fluid passage is partially formed at an outer edge thereof so that the second forward passage and the second return passage communicate with each other. I have to.
- the cooling water is supplied to the fluid circulation path so that the second forward path and the second return path in the target are filled with the cooling water, and the target is rotated by the drive block. Accordingly, the target is cooled by heat exchange with the cooling water flowing from the second forward path to the second backward path through the inflow opening of the cap body that rotates integrally therewith.
- the pushed cooling water flows from the inflow opening of the cap body into the fluid passage in the cap body, flows through the fluid passage to the downstream end of the second return path, and is drained from the target. Along with this, the water level in the second forward path decreases downward in the vertical direction. At this time, in the above-mentioned conventional example, the cooling water flows only through the fluid passage of the cap body to the second return path only while the inflow opening of the rotating cap body is submerged, so that the water level is lowered. Accordingly, there is a problem in that the cooling water drainage speed decreases and it takes time to drain the cooling water.
- the present invention provides a rotary cathode unit for a magnetron sputtering apparatus configured to be able to discharge cooling water remaining in a target as quickly and reliably as possible. It is what.
- a rotary cathode unit for a magnetron sputtering apparatus of the present invention comprising a cylindrical target, a drive block for rotationally driving the target, and a fluid circulation means having a fluid circulation passage for circulating the fluid.
- a drive block that rotates along the axial direction of the target, an outer cylindrical body that is arranged concentrically with the inner cylindrical body and is connected to one end in the axial direction of the target, and rotationally drives the outer cylindrical body.
- the internal space of the inner cylinder constitutes the first forward path of the fluid circulation path
- the space between the inner cylinder and the outer cylinder constitutes the first return path of the fluid circulation path
- the target is extrapolated to a tubular body extending in the axial direction, and a second forward path of a fluid circulation path communicating with the first forward path and a second backward path of a fluid circulation path communicating with the first backward path are disposed in the tubular body.
- a disc-shaped regulation plate that closes the right end opening of the target is fixed to the left side of the outer cylinder, with the side from the target to the drive block on the right side and the side from the drive block to the target on the left side.
- a communication path extending in the radial direction from the outer edge of the restriction plate to a position facing the first return path is formed on the surface, and the flow of fluid between the second return path and the first return path is restricted by this communication path, and the diameter of the communication path It is characterized by comprising a detecting means for detecting the attitude of the regulating plate whose direction tip is directed downward in the vertical direction.
- a rotary cathode unit is set in a vacuum chamber, and electric power having a negative potential is applied to the target while rotating the target at a predetermined rotational speed via a drive block in a vacuum atmosphere.
- the target is sputtered.
- cooling water as a fluid is circulated in the fluid circulation passage, and the target is cooled by heat exchange with the cooling water. Then, when the rotary cathode unit is removed from the vacuum chamber for maintenance including target replacement, the target is drained prior to this.
- the drive block stops the rotational driving of the target, or the water draining operation is performed.
- the posture of the restricting plate is changed so that the radial tip of the communication path is directed downward in the vertical direction based on the detection result of the detection means, and held in this state. Then, instead of supplying the cooling water to the first forward path, compressed air is supplied to the first forward path.
- the cooling water in the fluid circulation passage is sequentially pushed by the compressed air, and is discharged through the first forward path in the drive block, the second forward path in the target, the second return path in the target, and the first return path in the drive block. Is done.
- the water level in the second return path in the target decreases downward in the vertical direction, but the fluid inlet to the communication path of the restriction plate (that is, the outer edge of the restriction plate) is always in the lowest position in the vertical direction. Therefore, a path through which only compressed air preferentially passes is not formed until all the cooling water in the second return path is pushed out, and the cooling water in the fluid circulation passage is surely removed. .
- the inlet of the communication path is substantially submerged, so that the cooling water can be drained to the first return path as quickly as possible with the compressed air.
- the restriction plate for restricting the flow of fluid is provided in the component of the driving means for rotationally driving the target and the posture can be controlled at the time of draining operation, it remains in the target. Cooling water can be discharged as quickly and reliably as possible.
- the driving means includes a motor and a belt wound between the driving shaft of the motor and the outer peripheral surface of the outer cylinder, and is provided on a pulley on which the belt is wound. What is necessary is just to comprise the said detection means with the attached sensor. Thereby, when performing draining operation, the structure for always making the front-end
- FIG. 1 The figure explaining the structure of the rotation cathode unit for sputtering devices of this invention.
- the fragmentary sectional view which expands and shows the principal part of a rotation cathode unit.
- the perspective view explaining a control board.
- the rotary cathode unit RC includes a cylindrical target Tg that is vertically opposed to a substrate W that is a film formation target in a vacuum chamber (not shown), and a clamp Cp at the right end of the target Tg. And a support block Sb connected to the left end of the target Tg via a clamp Cp.
- the support block Sb is provided with a driven shaft 12 supported by a bearing 11 so as to rotatably support one end of the target Tg.
- the target Tg includes a cylindrical backing tube 21 and a cylindrical target material 22 joined to the backing tube 21 via a bonding material (not shown) such as indium or tin.
- a bonding material such as indium or tin.
- As the target material 22 a material appropriately selected from metals and metal compounds according to the composition of the film to be formed on the substrate W is used.
- the backing tube 21 is extrapolated to an outer tube 23 as a tubular body extending substantially over the entire length of the target Tg in the left-right direction, and an inner tube 24 as a tubular body is provided concentrically within the outer tube 23. Yes. Openings at both ends in the left and right direction of the outer tube 23 are respectively closed by cap bodies 25, and axial through holes 25 a are respectively formed in the cap bodies 25.
- the inner space of the inner pipe 24 is the second forward path 26 of the fluid circulation passage Fp that constitutes the fluid circulation means Fu that circulates the fluid that is the cooling water or the compressed air during the sputtering of the target material 22 or during the draining operation.
- the space between the outer tube 23 and the inner tube 24 forms a second return path 27 of the fluid circulation passage Fp.
- a magnet unit having a known structure is incorporated in the space between the outer tube 23 and the inner tube 24, and the target material 22 is sputtered between the substrate W and the target Tg.
- a leakage magnetic field is generated so that a line passing through a position where the vertical component of the magnetic field becomes zero extends along substantially the entire axial length of the target material 22 and closes in a racetrack shape.
- the tubular body a double tube structure in which the inner tube 24 and the outer tube 23 are concentrically arranged is exemplified, but the tube body is not limited to this, and the second outbound path 26 while supporting the target Tg. Any form can be used as long as the second return path 27 can be provided.
- the drive block Db includes a housing 41, and an inner cylindrical body 42 extending in the left-right direction is provided upright on the right inner wall of the housing 41. It is connected to.
- An outer cylinder 43 is disposed around the inner cylinder 42 fixed to the housing 41 so as to be concentric with the inner cylinder 42.
- An annular recess 43 a that is recessed in the radial direction is formed on the inner peripheral surface of the outer cylinder 43, and the recess 43 a contacts the outer surface of the inner cylinder 42 and the inner surface of the outer cylinder 43, respectively. Then, a brush 44 for electrically connecting the two is fitted.
- the inner space of the inner cylinder 42 forms the first forward path 45 of the fluid circulation passage Fp, and the space between the inner cylinder 42 and the outer cylinder 43 constitutes the first return path 46 of the fluid circulation path Fp.
- the brush 44 is provided with a through hole 44 a penetrating in the left-right direction so as to constitute a part of the first return path 46.
- the outer cylinder 43 is rotatably supported by a support member 5 inserted in the housing 41 via a plurality of bearings 51. Oil seals 52 are externally inserted into the outer cylinder 43 so as to be positioned on both sides of the bearing 51 in the left-right direction.
- the drive block Db is provided with drive means 6 that rotationally drives the outer cylinder 43 and rotationally drives the target Tg connected thereto.
- the driving means 6 includes a motor 61 and a belt 63 wound around a pulley 62 provided on a driving shaft of the motor 61 and an outer peripheral surface of the outer cylinder 43.
- the pulley 62 is provided with a sensor 64 as a detecting means, and as will be described later, the sensor 64 has a notch 48c, which is a distal end in the radial direction of the communication path 48e, of a regulating plate 48 that is directed downward in the vertical direction.
- the posture is detected. Since a well-known sensor can be used as the sensor 64, a detailed description including a method for detecting the attitude of the regulating plate 48 is omitted.
- a detection means what detects the rotation angle and origin position of a motor, ie, a well-known sensor, an encoder, etc. according to the kind of motor 61 used can also be used, for example, rotation drive of the motor 61 is carried out. When the motor is stopped, the motor 61 is stopped in a state in which the motor is returned to the origin position, and at this time, the notch 48c may be set to be in the posture of the regulating plate 48 directed downward in the vertical direction.
- a conductive flange 47 is attached to the left end of the outer cylinder 43 in a liquid-tight manner, and is connected to the backing tube 21 via the flange 47 by a clamp Cp.
- the target Tg is rotationally driven integrally with the outer cylinder 43 at a predetermined rotational speed.
- a restricting plate 48 is attached to the left end of the outer cylinder 43 so as to be in close contact with the left side of the flange 47 and close the right end opening of the backing tube 21.
- the restriction plate 48 is provided with a central opening 48 a through which the inner cylinder body 42 is inserted, and three through holes 48 b are formed around the central opening 48 a.
- the restricting plate 48 is fixed to the left end of the outer cylinder 43 by a bolt (not shown) together with the flange 47 through the through hole 48b.
- a notch 48c that forms a predetermined gap with the inner peripheral surface of the backing tube 21 is partially formed on the outer edge of the regulating plate 48, and a fluid inlet is defined by the notch 48c.
- a groove portion 48 d extending in the radial direction from the notch 48 c to a position facing the first return path 46 is formed in the right surface of the restriction plate 48, and a communication path 48 e is formed between the groove portion 48 d and the left side surface of the flange 47. Try to form.
- the length of the notch 48c, the gap between the inner peripheral surface of the backing tube 21 and the width of the groove 48d are the flow rate of cooling water circulated during sputtering and the supply of compressed air for the draining operation described later.
- the width of the groove 48d may be formed in a tapered shape that tapers from the outer edge toward the first return path 46.
- the restriction plate 48 restricts the flow of fluid between the second return path 27 and the first return path 46.
- the housing 41 is provided with an original forward path 71 and an original return path 72 inside, and an electrically conductive main pipe 7 whose tip is connected to the inner cylindrical body 42.
- the original forward path 71 communicates with the first forward path 45 in the inner cylinder 42
- the original return path 72 communicates with the first return path 46
- the main pipe 7 is connected to the chiller unit Ch.
- a branch pipe 81 is connected to the main pipe 7, and is connected to a compressor 8 having a known structure via an on-off valve 82.
- the fluid circulation passage Fp, the chiller unit Ch, and the compressor 8 constitute the fluid circulation means Fu of this embodiment.
- an output cable 9 from a sputter power source (not shown) is connected to the main tube 7.
- the inner cylinder 42 is electrically connected to the outer cylinder 43 via the brush 44, and the outer cylinder 43 is electrically connected to the backing tube 21 and eventually the target material 22 via the flange 47 (that is, the inner cylinder 42 42 and the target material 22 have the same potential).
- a predetermined electric power having a negative potential is applied to the target material 22 via the output cable 9 from the sputtering power source while the outer cylinder 43 is rotated by the motor 61 to drive the target Tg.
- the target material 22 can be sputtered.
- cooling water is circulated in the fluid circulation path Fp by the chiller unit Ch, and the target material 22 is cooled by heat exchange with the cooling water.
- the target material 22 is eroded by sputtering, it is necessary to periodically remove and replace the rotary cathode unit RC, and the operation of draining the cooling water remaining in the target Tg prior to the replacement. (Draining operation) is performed.
- the notch 48c which is the distal end in the radial direction of the communication path 48e, assumes the posture of the regulating plate 48 that is directed downward in the vertical direction, according to the detection result from the sensor 64. I have to.
- the water supply from the chiller unit Ch is stopped, the on-off valve 82 is opened, and the compressed air from the compressor 8 is supplied to the original forward path 71.
- the water is drained through the first return path 72 through the first forward path 45 in the drive block Db, the second forward path 26 in the target Tg, the second return path 27 in the target Tg, and the first return path 46 in the drive block Db.
- the water level in the second return path 27 is lowered downward in the vertical direction, but the fluid inlet as the notch 48c of the restriction plate 48 is always located at the lowest position in the vertical direction.
- a path through which only compressed air preferentially passes is not formed until all the cooling water in the return path 27 is pushed out, and the cooling water in the fluid circulation path Fp is reliably removed.
- the inlet of the communication path is substantially submerged, so that the cooling water and the compressed air are transferred to the first return path 46 through the communication path 48e as quickly as possible. It can be drained. Therefore, the cooling water remaining in the target Tg can be discharged as quickly and reliably as possible.
- the regulation plate 48 is fixed to the outer cylinder 43 on the drive block Db side, the regulation plate 48 is attached to the outer cylinder 43 even if the clamp Cp is removed and the target Tg is removed from the drive block Db. It remains. For this reason, after completion of maintenance such as target replacement, for example, an operation is performed in which the position of the restriction plate 48 is readjusted so that the notch 48c is oriented downward in the vertical direction at the detection position of the sensor 64, for example. This can be eliminated and maintenance can be improved.
- the present invention is not limited to the above.
- the notch 48c which is the radial tip of the communication path 48e, is set to the posture of the regulating plate 48 that is directed downward in the vertical direction.
- the motor 61 is rotated in accordance with the detection value of the detection means 64 to cut out the notch 48c.
- the position of the restricting plate 48 may be oriented downward in the vertical direction.
- RC Rotary cathode unit, Db ... Drive block, Fp ... Fluid circulation passage, Fu ... Fluid circulation means, Tg ... Target, 42 ... Inner cylinder, 43 ... Outer cylinder (cylinder), 45 ... First forward path ( Fluid circulation path), 46 ... first return path (fluid circulation path), 48 ... regulator plate, 48e ... communication path (fluid circulation path), 23 ... outer tube (pipe), 61 ... motor (drive means), 64 ... Sensor (detection means).
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Abstract
Description
Claims (2)
- 筒状のターゲットと、ターゲットを回転駆動する駆動ブロックと、流体を循環させる流体循環通路を有する流体循環手段とを備えるマグネトロンスパッタリング装置用の回転式カソードユニットであって、
駆動ブロックが、ターゲットの軸線方向に沿ってのびる内筒体と、内筒体と同心に配置されてターゲットの軸線方向一端が連結される外筒体と、この外筒体を回転駆動する駆動手段とを有し、内筒体の内部空間が流体循環通路の第1往路を構成すると共に、内筒体と外筒体との間の空間が流体循環通路の第1復路を構成し、ターゲットがその軸線方向に亘ってのびる管体に外挿され、管体内に、第1往路に連通する流体循環通路の第2往路と、第1復路に連通する流体循環通路の第2復路とが設けられるものにおいて、
ターゲットから駆動ブロックに向かう側を右側、駆動ブロックからターゲットに向かう側を左側として、外筒体の左側部分に、ターゲットの右端開口を閉塞する円盤状の規制板が固定され、規制板の右側の面に規制板の外縁から第1復路を臨む位置まで径方向にのびる連通路が形成されてこの連通路により第2復路と第1復路との間における流体の流れが規制され、連通路の径方向先端が鉛直方向下方を指向する規制板の姿勢を検出する検出手段を備えることを特徴とするマグネトロンスパッタリング装置用の回転式カソードユニット。 - 前記駆動手段は、モータとこのモータの駆動軸と外筒体の外周面との間に巻き掛けられるベルトとを備え、この駆動軸に設けられてベルトが巻き掛けられるプーリ―に付設したセンサで前記検知手段を構成したことを特徴とする請求項1記載のマグネトロンスパッタリング装置用の回転式カソードユニット。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201680028805.4A CN107614743B (zh) | 2015-05-19 | 2016-05-17 | 磁控溅射装置用的旋转阴极单元 |
| JP2017518765A JP6205527B2 (ja) | 2015-05-19 | 2016-05-17 | マグネトロンスパッタリング装置用の回転式カソードユニット |
| KR1020177036221A KR102053286B1 (ko) | 2015-05-19 | 2016-05-17 | 마그네트론 스퍼터링 장치용 회전식 캐소드 유닛 |
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| JP2015-102213 | 2015-05-19 | ||
| JP2015102213 | 2015-05-19 |
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| WO2016185714A1 true WO2016185714A1 (ja) | 2016-11-24 |
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| JP (1) | JP6205527B2 (ja) |
| KR (1) | KR102053286B1 (ja) |
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| TW (1) | TWI634223B (ja) |
| WO (1) | WO2016185714A1 (ja) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109943817A (zh) * | 2017-12-20 | 2019-06-28 | 佳能特机株式会社 | 溅射装置及其使用方法 |
| JP6646798B1 (ja) * | 2018-10-17 | 2020-02-14 | 株式会社アルバック | 接触式給電装置及び接触ユニット |
| WO2020079881A1 (ja) * | 2018-10-17 | 2020-04-23 | 株式会社アルバック | 接触式給電装置及び接触ユニット |
| CN111316397A (zh) * | 2017-08-16 | 2020-06-19 | 零件喷涂公司 | 用于具有磁性靶材的溅射源的磁力释放 |
| JPWO2022059278A1 (ja) * | 2020-09-16 | 2022-03-24 |
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| CN111455326A (zh) * | 2020-06-11 | 2020-07-28 | 中国航发航空科技股份有限公司 | 一种用于降低靶材冷却时间的真空电弧镀装置 |
| KR102828506B1 (ko) * | 2020-10-08 | 2025-07-03 | 가부시키가이샤 알박 | 회전식 캐소드 유닛용 구동 블록 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111316397A (zh) * | 2017-08-16 | 2020-06-19 | 零件喷涂公司 | 用于具有磁性靶材的溅射源的磁力释放 |
| CN111316397B (zh) * | 2017-08-16 | 2021-05-25 | 零件喷涂公司 | 用于具有磁性靶材的溅射源的磁力释放 |
| CN109943817A (zh) * | 2017-12-20 | 2019-06-28 | 佳能特机株式会社 | 溅射装置及其使用方法 |
| JP2019108602A (ja) * | 2017-12-20 | 2019-07-04 | キヤノントッキ株式会社 | スパッタ装置及びその使用方法 |
| CN109943817B (zh) * | 2017-12-20 | 2023-04-11 | 佳能特机株式会社 | 溅射装置及其使用方法 |
| JP6646798B1 (ja) * | 2018-10-17 | 2020-02-14 | 株式会社アルバック | 接触式給電装置及び接触ユニット |
| WO2020079881A1 (ja) * | 2018-10-17 | 2020-04-23 | 株式会社アルバック | 接触式給電装置及び接触ユニット |
| KR20210071946A (ko) * | 2018-10-17 | 2021-06-16 | 가부시키가이샤 아루박 | 접촉식 급전장치 및 접촉유닛 |
| US11462873B2 (en) | 2018-10-17 | 2022-10-04 | Ulvac, Inc. | Contact-type power supply apparatus and contact unit |
| KR102666846B1 (ko) | 2018-10-17 | 2024-05-20 | 가부시키가이샤 아루박 | 접촉식 급전장치 및 접촉유닛 |
| JPWO2022059278A1 (ja) * | 2020-09-16 | 2022-03-24 | ||
| JP7303393B2 (ja) | 2020-09-16 | 2023-07-04 | 株式会社アルバック | 回転式カソードユニット用の駆動ブロック |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201708584A (zh) | 2017-03-01 |
| KR20180006977A (ko) | 2018-01-19 |
| CN107614743B (zh) | 2019-10-22 |
| CN107614743A (zh) | 2018-01-19 |
| JPWO2016185714A1 (ja) | 2017-11-02 |
| KR102053286B1 (ko) | 2019-12-06 |
| JP6205527B2 (ja) | 2017-09-27 |
| TWI634223B (zh) | 2018-09-01 |
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