WO2005013345A1 - 基板処理装置 - Google Patents
基板処理装置 Download PDFInfo
- Publication number
- WO2005013345A1 WO2005013345A1 PCT/JP2004/010563 JP2004010563W WO2005013345A1 WO 2005013345 A1 WO2005013345 A1 WO 2005013345A1 JP 2004010563 W JP2004010563 W JP 2004010563W WO 2005013345 A1 WO2005013345 A1 WO 2005013345A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- substrate
- operating shaft
- weight
- processing tool
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/36—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis orthogonal to the surface
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10P—GENERIC PROCESSES OR APPARATUS FOR THE MANUFACTURE OR TREATMENT OF DEVICES COVERED BY CLASS H10
- H10P52/00—Grinding, lapping or polishing of wafers, substrates or parts of devices
Definitions
- the present invention relates to a substrate processing apparatus for performing a surface treatment of a substrate such as a semiconductor wafer.
- a swing arm 32 provided with a cleaning tool 31 facing the substrate 1 and a bracket 34 attached with a swing motor 33 operating the swing arm are provided.
- the cleaning tool 31 is moved to a predetermined height by raising and lowering the bracket 34 by means of a servomotor 36 via a lifting device, for example, a pole screw 35, so that the height of the cleaning tool 31 depends on the height position of the cleaning tool 31.
- the set value is input to the controller to calculate the number of rotations of the servo motor 36, and the rotation is performed according to the calculated value.
- the number of rotations is detected by the rotary encoder 37 and the controller makes a field back to set the cleaning tool 31 It is moved to the height you set.
- the cleaning brush is raised and lowered to contact a pressure sensor provided at a position different from the wafer, and the cleaning brush is moved up and down to a high pressure when the basic pressure is reached. By adjusting the difference in height between the pressure sensor position and the actual substrate installation surface, the height when the cleaning brush is opposed to the substrate is detected.
- the detected height The substrate is raised and lowered to apply a predetermined basic pressure to the substrate.
- a predetermined basic pressure for example, Japanese Patent Application Laid-Open No. H10-1351567.
- the lifting and lowering movement for adjusting the unit pressure of the processing tool for example, the cleaning brush in the conventional substrate processing apparatus is performed by the air cylinder and the servomotor.
- the entire bracket equipped with the fin is raised and lowered, and the amount of movement is detected and fed back to bring the processing tool into contact with the substrate surface in accordance with the set value.Height adjustment for adjusting the contact pressure Similarly, the entire bracket is moved up and down.
- the entire device that supports the processing tool and the swing arm not only increases the weight, but also accumulates the gaps and backlash of each part of the mechanism, causing delays in control and errors. Even with control, it was difficult to precisely adjust the distance from the substrate surface and the pressure applied to the substrate. Therefore, this effort is to provide a lifting device that moves the entire processing tool to a predetermined height, and a vertical movement device for the operating shaft that adjusts and holds the pressure of the processing tool, and separates the contact between the substrate and the processing tool. It is an object of the present invention to be able to finely and easily adjust and maintain the pressure.
- the present invention provides a processing tool for performing a process such as cleaning while maintaining a predetermined pressure on the surface of a substrate, an operation shaft to which the processing tool is attached, and a bracket supporting the operation shaft. And a mounting frame for swingably supporting the bracket, and a lifting / lowering device for moving the mounting frame up and down.
- the operating shaft which is mounted with the processing tool and rotates, is moved up and down on the placket.
- a holding member that freely supports the operating shaft only in the rotational direction, and a servomotor that is connected to the holding member and applies a torque to the operating shaft. The contact pressure between the processing tool and the substrate is adjusted.
- the servo motor applies a torque to the operating shaft in accordance with a difference between the weight of the processing tool including the operating shaft and a predetermined contact pressure (weight).
- a holding member that is connected to the rotating motor shaft via a pin joint so as not to add weight to the operating motor and that freely supports only in the rotational direction, and applies torque to the operating shaft by connecting to the holding member.
- Servo motor is provided.
- the present invention provides a holding member that supports an operation shaft to which a processing tool is attached so as to be able to move up and down independently of an elevating device that moves the entire mounting frame up and down, and that freely supports the operation shaft only in the rotational direction.
- a servo motor connected to the holding member is provided, and the weight of the operation shaft is offset by the torque of the servo motor so that the operation shaft contacts the substrate with a weight corresponding to a predetermined pressure. For this reason, the processing tool can always be brought into contact with the substrate surface at a predetermined pressure, and even if the position of the upper surface of the substrate fluctuates due to the rotation of the substrate chuck, the operation axis always maintains the contact state with the substrate surface at a constant pressure. Hold.
- the contact pressure can be adjusted accurately, for example, even in units of 1 gram, and the weight of the operating shaft is small, so that quick and precise pressure adjustment can be performed. Further, it is not necessary to strictly move the position of the entire mounting frame to a predetermined position, so that the lifting device and its operation can be simplified.
- the operating shaft is connected to the rotating motor via a pin joint to prevent the weight of the rotating motor from being applied to the operating shaft, thereby reducing the torque applied to the operating shaft, making the servo motor smaller, and making adjustments easier. It can be done easily.
- FIG. 1 is a side sectional view showing a schematic configuration of an embodiment of the present invention.
- FIG. 2 is a schematic side view showing a conventional configuration example.
- 1 is a substrate
- 2 is a substrate chuck
- 3 is a processing tool
- 4 is an operating shaft
- 5 is an air bearing
- 6 is a holding member
- 7 is a coupling ear
- 8 is a rotation motor
- 9 is a rotation motor.
- 10 is a bracket
- 11 is a servomotor
- 12 is a connecting arm
- 13 is a mounting frame
- 14 is a swing motor
- 15 is a lifting device.
- reference numeral 1 denotes a substrate, which is attached to a substrate check 2.
- 3 is a processing tool, for example, a cleaning brush
- 4 is an operation shaft on which the processing tool 3 is mounted
- 5 is an air bearing
- 6 is a holding member for holding the operation shaft 4
- the axis direction is held so as to move integrally.
- Reference numeral 7 denotes a connecting ear provided on a side surface of the holding member
- reference numeral 8 denotes a motor for rotating the operating shaft.
- the operating shaft 4 is connected to the operating shaft 4 by a pin joint 9 so that it can be slightly moved in the axial direction. Weight is not added.
- Reference numeral 10 denotes a bracket on which the operation shaft 4 and the rotation motor 8 are mounted
- reference numeral 11 denotes a servomotor provided on the bracket 10, which uses a torque motor that changes the output torque linearly with respect to the exciting current
- 1 2 is a connecting arm having one end fixed to the axis of the servo motor 11 and the other end is pin-connected to the connecting ear 7
- 13 is a mounting frame
- a swing motor 14 for swinging the bracket 10 4 It is moved up and down by a lifting device 15.
- the mounting frame 13 is lowered to a stopper (not shown) at a predetermined position by the elevating device 15 such as a screw shaft, and the processing tool such as the cleaning brush 3 is moved to a position facing the upper surface of the substrate 1.
- This movement does not require the servo motor of the elevating device to match the set value with the detection signal of the rotary encoder and move the processing tool 3 accurately to the predetermined position with respect to the substrate 1 as in the past. However, it is only necessary to be within the range of the vertical movement of the operation shaft 4.
- the operating shaft 4 including the processing tool 3 is supported by an air bearing 5 and separated from the rotating motor 8 by a pin joint 9 .
- the operating shaft 4 is connected to a servomotor 11 via a holding member 6. I have.
- the holding member 6 Torque (G_g) is applied to the operating shaft 4 via the lever in the direction in which the operating shaft 4 is pulled up, and the weight corresponding to the torque from the weight G of the operating shaft 4
- the weight of the operating shaft 4 is offset, and the weight corresponding to the predetermined pressure value is maintained.
- the contact pressure is kept constant even when the substrate position changes.
- the cleaning liquid flows between the processing tool 3 and the substrate 1 to form a minute gap. Even in this case, the contact pressure is maintained through the cleaning liquid film.
- the operation shaft 4 can be directly connected to the rotation motor to include the weight of the rotation motor 8, but the processing tool is excessively heavy. Therefore, in the embodiment of FIG. And the rotation motor 8 are connected by a pin joint 9 so that they can move slightly in the axial direction. The operation shaft 4 and the rotation motor 8 are separated, and the weight of the operation shaft 4 including the processing tool 3 is reduced. This can reduce the torque of the servo motor 11.
- the operating shaft to which the processing tool is attached is supported so as to be able to move up and down, and the operating shaft can be freely moved only in the rotational direction.
- a supporting member and a servo motor connected to the supporting member are provided, and the weight of the operating shaft is offset by the torque of the servo motor so that the operating shaft contacts the substrate with a weight corresponding to a predetermined pressure.
- the processing tool can always be brought into contact with the substrate surface at a predetermined pressure, and even if the position of the upper surface of the substrate fluctuates due to the rotation of the substrate chuck, the operation axis always keeps contact with the substrate surface at a constant pressure. can do.
- the contact pressure can be adjusted accurately, for example, even in units of 1 gram, and the weight of the operating shaft is small, so that quick and precise pressure adjustment can be performed. Further, it is not necessary to strictly move the position of the entire mounting frame to a predetermined position, so that the lifting device and its operation can be simplified.
- the operating shaft is connected to the rotating motor via a pin joint to prevent the weight of the rotating motor from being applied to the operating shaft, thereby reducing the torque applied to the operating shaft, making the servo motor smaller, and making adjustments easier. It can be done easily.
Landscapes
- Cleaning Or Drying Semiconductors (AREA)
- Cleaning In General (AREA)
- Exposure Of Semiconductors, Excluding Electron Or Ion Beam Exposure (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/564,728 US20060219277A1 (en) | 2003-07-16 | 2004-07-16 | Substrate-treating apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003275390A JP2005039087A (ja) | 2003-07-16 | 2003-07-16 | 基板処理装置 |
| JP2003-275390 | 2003-07-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005013345A1 true WO2005013345A1 (ja) | 2005-02-10 |
Family
ID=34113753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/010563 Ceased WO2005013345A1 (ja) | 2003-07-16 | 2004-07-16 | 基板処理装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20060219277A1 (ja) |
| JP (1) | JP2005039087A (ja) |
| KR (1) | KR20060061792A (ja) |
| CN (1) | CN100397583C (ja) |
| WO (1) | WO2005013345A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100871670B1 (ko) * | 2007-03-30 | 2008-12-03 | 한미반도체 주식회사 | 반도체 패키지 반송장치 |
| EP2288003A4 (en) * | 2008-04-16 | 2014-12-17 | Totankako Co Ltd | DEVICE AND METHOD FOR COATING CONNECTING WIRES |
| CN105150088A (zh) * | 2015-08-28 | 2015-12-16 | 中国空间技术研究院 | 一种电子器件背面开孔减薄装置及减薄方法 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0731179U (ja) * | 1993-11-19 | 1995-06-13 | 島田理化工業株式会社 | ロール・ブラシ洗浄装置 |
| JPH11283950A (ja) * | 1998-03-30 | 1999-10-15 | Ebara Corp | 基板洗浄装置 |
| JP2000176819A (ja) * | 1998-12-15 | 2000-06-27 | Kawasaki Heavy Ind Ltd | 加工装置 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4178188A (en) * | 1977-09-14 | 1979-12-11 | Branson Ultrasonics Corporation | Method for cleaning workpieces by ultrasonic energy |
| US4326553A (en) * | 1980-08-28 | 1982-04-27 | Rca Corporation | Megasonic jet cleaner apparatus |
| JP2618834B2 (ja) * | 1994-07-19 | 1997-06-11 | 大日本スクリーン製造株式会社 | 基板洗浄方法及び基板洗浄装置 |
| US6006637A (en) * | 1995-04-18 | 1999-12-28 | Kimberly-Clark Worldwide, Inc. | Servo driven watercutter |
| US5948203A (en) * | 1996-07-29 | 1999-09-07 | Taiwan Semiconductor Manufacturing Company, Ltd. | Optical dielectric thickness monitor for chemical-mechanical polishing process monitoring |
| TW377467B (en) * | 1997-04-22 | 1999-12-21 | Sony Corp | Polishing system, polishing method, polishing pad, and method of forming polishing pad |
| US6623334B1 (en) * | 1999-05-05 | 2003-09-23 | Applied Materials, Inc. | Chemical mechanical polishing with friction-based control |
| US6638366B2 (en) * | 2001-05-15 | 2003-10-28 | Northrop Grumman Corporation | Automated spray cleaning apparatus for semiconductor wafers |
| US20040011462A1 (en) * | 2002-06-28 | 2004-01-22 | Lam Research Corporation | Method and apparatus for applying differential removal rates to a surface of a substrate |
| TWI238754B (en) * | 2002-11-07 | 2005-09-01 | Ebara Tech Inc | Vertically adjustable chemical mechanical polishing head having a pivot mechanism and method for use thereof |
| DE10324429B4 (de) * | 2003-05-28 | 2010-08-19 | Advanced Micro Devices, Inc., Sunnyvale | Verfahren zum Betreiben eines chemisch-mechanischen Polier Systems mittels eines Sensorsignals eines Polierkissenkonditionierers |
| JP4744250B2 (ja) * | 2005-09-14 | 2011-08-10 | 株式会社岡本工作機械製作所 | 角形状基板の両面研磨装置および両面研磨方法 |
-
2003
- 2003-07-16 JP JP2003275390A patent/JP2005039087A/ja active Pending
-
2004
- 2004-07-16 KR KR1020067000797A patent/KR20060061792A/ko not_active Withdrawn
- 2004-07-16 WO PCT/JP2004/010563 patent/WO2005013345A1/ja not_active Ceased
- 2004-07-16 US US10/564,728 patent/US20060219277A1/en not_active Abandoned
- 2004-07-16 CN CNB2004800202012A patent/CN100397583C/zh not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0731179U (ja) * | 1993-11-19 | 1995-06-13 | 島田理化工業株式会社 | ロール・ブラシ洗浄装置 |
| JPH11283950A (ja) * | 1998-03-30 | 1999-10-15 | Ebara Corp | 基板洗浄装置 |
| JP2000176819A (ja) * | 1998-12-15 | 2000-06-27 | Kawasaki Heavy Ind Ltd | 加工装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005039087A (ja) | 2005-02-10 |
| KR20060061792A (ko) | 2006-06-08 |
| CN1823402A (zh) | 2006-08-23 |
| US20060219277A1 (en) | 2006-10-05 |
| CN100397583C (zh) | 2008-06-25 |
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