WO2013183799A1 - Cmp 장치 - Google Patents
Cmp 장치 Download PDFInfo
- Publication number
- WO2013183799A1 WO2013183799A1 PCT/KR2012/004502 KR2012004502W WO2013183799A1 WO 2013183799 A1 WO2013183799 A1 WO 2013183799A1 KR 2012004502 W KR2012004502 W KR 2012004502W WO 2013183799 A1 WO2013183799 A1 WO 2013183799A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cmp
- vibration acceleration
- cmp pad
- pad conditioner
- conditioner
- Prior art date
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B37/00—Lapping machines or devices; Accessories
- B24B37/005—Control means for lapping machines or devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/18—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation
- B24B49/18—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools
- B24B49/186—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating the start of the grinding operation taking regard of the presence of dressing tools taking regard of the wear of the dressing tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/017—Devices or means for dressing, cleaning or otherwise conditioning lapping tools
Definitions
- the present invention relates to a CMP device, and more specifically, to measure the vibration acceleration of the CMP pad conditioner for conditioning the CMP pad, to predict the amount of wear of the CMP pad conditioner, and to confirm the state of the CMP device, thereby to determine the state of the CMP device. It relates to a CMP device that can be maintained.
- CMP technology used in semiconductor devices is used to planarize thin films such as insulating films and metal films formed on semiconductor wafers.
- Typical consumable parts used in the CMP process include CMP pads, slurries and CMP pad conditioners.
- the CMP pad conditioner has a diamond-like grinder in contact with the CMP pad to scrape or rough the surface of the CMP pad so that the surface state of the new CMP pad is optimized to an initial state with excellent retention of slurry, or
- the slurry holding capacity of the pad serves to perform conditioning, which is an operation of restoring to maintain the polishing capacity of the CMP pad, and serves to improve the flowability of the slurry supplied to the pad.
- the amount of wear of the CMP pad is constant, it means that the surface state of the CMP pad is constant, and having a constant CMP pad surface implies that the wafer polishing rate can be kept constant.
- the wear amount of the CMP pad is greatly reduced or increased significantly, the wafer polishing rate as well as the defect of the wafer are affected. Therefore, it is very important to have a constant amount of CMP pad wear in the actual CMP process.
- the wear amount of the CMP pad can predict the retention of the wafer polishing rate
- the conventional CMP apparatus has no method of checking the driving state of the CMP conditioner or the state in which the CMP conditioner is installed.
- the present inventors have made efforts to solve the above disadvantages and problems of the prior art as a result of measuring the vibration acceleration of the CMP pad conditioner for conditioning the CMP pad without measuring the polishing rate of the wafer to estimate the wear amount of the CMP pad
- the present invention has been completed by the development.
- an object of the present invention is a swing part installed at a predetermined interval spaced from the surface plate on which the CMP pad to be conditioned is installed, one end of which is installed at the upper end of the swing part in a direction perpendicular to the swing part to rotate on the CMP pad based on the swing part. It includes a rotating part installed at the other end of the connection part to rotate, a CMP pad conditioner that is coupled to the rotating part to condition the CMP pad and rotates, and a vibration accelerometer which detects vibration to measure vibration acceleration of the CMP pad conditioner. It is to provide a CMP device that can predict the amount of wear of the CMP pad by the vibration acceleration, and can predict the state in which the CMP conditioner is installed or driven.
- the present invention provides a CMP device, characterized in that for measuring the vibration acceleration of the CMP pad conditioner for conditioning the CMP pad.
- the present invention is a swing portion which is installed spaced apart from the surface on which the CMP pad to be conditioned, a predetermined interval, one end is installed on the upper end of the swing axis in a direction perpendicular to the swing portion is rotated on the CMP pad relative to the swing portion
- a connecting part a rotating part installed at the other end of the connecting part to rotate, a CMP pad conditioner coupled to the rotating part to rotate and conditioning the CMP pad, and a connecting part installed at the connecting part to sense vibrations and measure vibration acceleration of the CMP pad conditioner.
- a CMP apparatus including an acceleration measurement unit.
- the vibration acceleration measuring unit may be installed at any one of the position corresponding to the swing portion of the connecting portion, the position corresponding to the rotating portion, the intermediate point of the connecting portion.
- the vibration acceleration measuring unit may be installed at a position corresponding to the rotating unit of the connecting portion.
- the vibration acceleration of the CMP pad conditioner is proportional to the amount of wear of the CMP pad.
- the vibration acceleration of the CMP pad conditioner is adjusted to have a value of 0.06 to 5.4 m / s 2 .
- the controlled vibration acceleration value of the CMP pad conditioner is out of 0.06 to 5.4 m / s 2 , the CMP device is inspected or the CMP pad conditioner is replaced.
- the pre-stored vibration acceleration range is 0.06 to 5.4 m / s 2 .
- the present invention has the following excellent effects.
- the CMP apparatus of the present invention it is possible to predict the wear amount of the CMP pad by measuring the vibration acceleration of the CMP pad conditioner for conditioning the CMP pad.
- the CMP device of the present invention is installed on the upper end of the swing portion in a direction perpendicular to the swing portion, the swing portion is installed at a predetermined interval spaced from the surface on which the CMP pad to be conditioned to rotate on the CMP pad relative to the swing portion It includes a connecting part, a rotating part installed at the other end of the connecting part, a rotating part coupled to the rotating part, and a CMP pad conditioner for adjusting the CMP pad while rotating and a connecting part, and a vibration accelerometer for detecting the vibration acceleration of the CMP pad conditioner by detecting the vibration.
- the amount of vibration of the CMP pad may be predicted by the measured vibration acceleration, and the CMP conditioner may be installed or driven.
- FIG. 1 is a view showing a schematic view of a CMP apparatus of the present invention
- FIG. 2 shows a conditioning area of a CMP pad conditioner of the present invention
- 3 is a graph showing the amount of pad wear and vibration acceleration according to the method of applying a load to the CMP pad conditioner
- 4 and 5 are graphs showing the amount of pad wear and vibration acceleration according to the load of the CMP pad conditioner
- FIG. 6 is a graph showing the profile of the pad wear amount according to the vibration acceleration value.
- the present invention relates to a CMP apparatus for measuring vibration acceleration of a CMP pad conditioner for conditioning a CMP pad, predicting a wear amount of the CMP pad at the measured vibration acceleration, and predicting an installed state or a driven state of the CMP pad conditioner.
- the vibration acceleration of the CMP pad conditioner may be measured to determine whether the CMP pad conditioner is normally installed and normally driven, thereby maintaining a constant state of the CMP device.
- FIG. 1 is a view showing a schematic view of the CMP device of the present invention
- Figure 2 is a view showing the conditioning area of the CMP pad conditioner of the present invention
- the CMP device 100 of the present invention is a swing unit 130
- the connecting portion 140, the rotating unit 150, the CMP pad conditioner 160, and the vibration acceleration measuring unit 170 are configured.
- the swing unit 130 is installed spaced apart from the surface 110 on which the CMP pad 120 to be conditioned is placed.
- the surface plate 110 is placed on the support 111 and horizontally installed on the floor, the swing 130 is installed perpendicular to the floor.
- the swing unit 130 is configured to include a separate motor, and rotates about a swing shaft by the motor.
- connection part 140 is installed on the upper end of the swing part 130, and the other end of the connection part 140 is installed.
- the connection part 140 is installed in a direction perpendicular to the swing part 130 and rotates at a predetermined angle on the CMP pad 120 based on the swing part 130.
- the rotating part 150 is installed at the other end of the connecting part 140 and rotates.
- the rotating unit 150 is configured to include a separate motor, and rotates about a rotating shaft by the motor.
- the CMP pad conditioner 160 is coupled to the rotating unit 150 to condition the CMP pad 120 while rotating by the rotating unit 150. Conditioning is to initiate the surface state of the CMP pad by scraping or roughing the surface of the CMP pad 120 while the CMP pad conditioner 160 is rotated while the CMP pad conditioner 160 and the CMP pad 120 are in close contact with each other. It refers to a process of optimizing the state or restoring to maintain the polishing ability of the CMP pad.
- the conditioning area shown in Fig. 2 represents the area where the CMP pad conditioner 160 is rotated and conditioned by the connecting portion 14100.
- the CMP pad conditioner 160 rotates while rotating, and at the same time, the surface plate 110 also rotates, so the CMP pad conditioner 160 rotates. Conditioning may occur over the entire surface of the pad 120.
- Vibration acceleration measuring unit 170 is installed in the connecting portion 140 to detect the vibration to measure the vibration acceleration of the CMP pad conditioner 160.
- the vibration acceleration measuring unit 170 may include a position A corresponding to the swing unit 130, a position C corresponding to the rotation unit 150, and a connection unit 140 of the connection unit 140. It can be installed at any position B of the intermediate point.
- the vibration acceleration measurement unit 170 may measure vibration acceleration of the CMP pad conditioner 160 although there is a difference in sensitivity depending on vibration even when installed at any position of A to C.
- the CMP process applies a load to the CMP pad conditioner 160 to condition the CMP pad 120 in close contact with the CMP pad conditioner 160.
- the method of applying the load to the CMP pad conditioner 160 is different for each company that manufactures the CMP apparatus. Here, the method using air, the method using an axis, and the method using a weight will be described.
- a method using air is a method in which the same amount of air is filled in the entire CMP pad conditioner 160 to press the CMP pad 120, and in the axial method, the air presses and presses the rotating shaft (not shown) of the rotating part 150.
- One axis of rotation transmits force to the center of the CMP pad conditioner 160.
- the weight method is a method of transmitting a force by placing a certain weight on the rotating shaft of the CMP pad conditioner 160, rather than using air.
- Table 1 shows the vibration acceleration of the CMP pad conditioner 160 according to each load transfer method and the amount of pad wear accordingly.
- the pad wear amount in each case was 17.0, 19.8, and 28.4 ⁇ m / hr. This value was almost the same as the pad wear of Experimental Example 1.
- the amount of pad wear between different CMP devices can be matched to the same level. Through this, it can be confirmed that the amount of pad wear can be estimated by measuring the vibration acceleration value.
- the vibration acceleration measurement unit 170 is installed on the rotation unit 150 to measure the vibration acceleration of the CMP pad conditioner 160 so that the state of the CMP apparatus 100 can be checked and the uniform pad wear can be shown. There is an effect that can be set.
- the vibration acceleration value is proportional to the load of the CMP pad conditioner 160, and it can be confirmed that the pad wear amount of the CMP pad 120 can be estimated by measuring the vibration acceleration. This can also be confirmed with FIG. 4, which shows the measured values of Table 4 graphically.
- the vibration acceleration value when the load of the CMP pad conditioner 160 was changed the pad wear amount, the polishing rate of the oxide wafer, and the defect of the wafer were measured and described in Table 5 below.
- Table 5 measured the disk load values listed in Table 4, including 4.0, 6.0, 8.0, 10.0, 12.0 lbf, as well as values from less than 4.0 lbf to greater than 12.0 lbf.
- the vibration acceleration values were measured in the same manner as in Table 4, and the pad wear amount was also the same as in Table 4. Vibration acceleration and pad wear according to the disk loads shown in Table 4 are also shown in FIG. 5.
- the vibration acceleration value measured by sensing the vibration of the CMP pad conditioner 160 has a value of 0.06 to 5.4.
- the profile of the pad wear amount may be confirmed according to the vibration acceleration value.
- the profile when the vibration acceleration value of 0.06 m / s 2 and 4.0 m / s 2 is uniformly shown, while 5.4 m / s 2.
- you can see that the profile is uneven.
- a position corresponding to the swing unit 130 of the connection unit 140, corresponding to the rotation unit 150 The vibration acceleration measurement unit 170 is installed at the center of the position and the connection part 140, respectively, and the vibration acceleration is measured by applying a load of 4, 6, and 8 lbf to the CMP pad conditioner 160, and the sensitivity (deviation) is investigated. It is shown in Table 6.
- the CMP pad conditioner 160 may have 4 and 6 positions.
- the vibration acceleration measured at 8 lbf load has a sensitivity of 0.06 when the difference between the highest and lowest values is defined as the sensitivity.
- the measured vibration acceleration has a sensitivity of 0.08 and is installed at a position corresponding to the rotation unit 150 of the connection unit 140. In this case, the measured vibration acceleration has a sensitivity of 0.20.
- the vibration acceleration measurement unit 170 has the greatest sensitivity when installed at the position (c) corresponding to the rotation unit 150 of the connection unit 140, so that it is accurately determined whether there is an abnormal state of the device state and the CMP pad conditioner 160 In order to detect the vibration of the sensor) sensitively, it is preferable to install at a position corresponding to the rotating part 150 of the connection part 140.
- the vibration acceleration of the CMP pad conditioner 160 is a load value of the CMP pad conditioner 160, a method of applying a load to the CMP pad conditioner 160, the tolerance of the rotating part 150 when installing the CMP pad conditioner 160
- the vibration acceleration value of the wafer polishing rate, the number of wafer defects, the pad wear rate, the pad profile, and the like are well represented by adjusting the position at which the vibration acceleration measurement unit 170 is installed, for example, the vibration acceleration value of 0.06 to 5.4 m / s 2 . You can have it.
- This may be performed manually by an operator, or may be automated with a controller (not shown).
- the control unit will be described later.
- the operator can replace the CMP pad conditioner 160.
- the present invention adjusts the vibration acceleration values of different devices by adjusting the load value of the vibration acceleration CMP pad conditioner, the method of applying a load to the CMP pad conditioner, the tolerance of the rotating part when the CMP pad conditioner is installed, and the position of the vibration acceleration measurement part. This allows to maintain a constant amount of pad wear of different devices, and finally to reduce the variation of wafer polishing rate between devices.
- the present invention may further comprise a control unit (not shown).
- the CMP apparatus 100 stores the vibration acceleration range in advance, and then compares the vibration acceleration measured from the vibration acceleration measurement unit 170 with the previously stored vibration acceleration, and the vibration acceleration measured is stored in the range of the vibration acceleration. If out of the check signal to check the CMP apparatus 100 or a replacement signal to replace the CMP pad conditioner 160 is generated.
- the control unit When the control unit generates a check signal, a load value applied to the CMP pad conditioner 160, a method of applying a load, a tolerance of the rotating unit 150 when the CMP pad conditioner 160 is installed, and a position at which the vibration acceleration measuring unit 170 is installed
- the CMP apparatus 100 may be checked so that the measured vibration acceleration value is adjusted to fall within a range of pre-stored vibration acceleration.
- the range of the vibration acceleration to store in advance is preferably 0.06 to 5.4m / s 2 as confirmed in the experimental example.
- the control unit may generate a replacement signal to allow the operator to replace the CMP pad conditioner 160.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
Description
하중 전달 방식 | 패드 마모량(PWR, ㎛/hr) | 진동가속도(m/s2) |
air 방식 | 17.0 | 0.4 |
축 방식 | 20.0 | 0.5 |
무게추 방식 | 28.0 | 1.0 |
진동가속도(m/s2) | 디스크 하중(lbf) | 패드 마모량(PWR, ㎛/hr) | 실험예 1의 패드 마모량 |
0.4 | 6.0 | 17.0 | 17.0 |
0.5 | 6.7 | 19.8 | 20.0 |
1.0 | 8.8 | 28.4 | 28.0 |
디스크 하중(lbf) | 진동가속도(m/s2) | 패드 마모량(PWR, ㎛/hr) | 실험예 1의 패드 마모량 |
6.0 | 0.4 | 17.0 | 17.0 |
6.0 | 0.5 | 19.7 | 20.0 |
6.0 | 1.0 | 28.2 | 28.0 |
디스크 하중(lbf) | 진동가속도(m/s2) | 패드 마모량(PWR, ㎛/hr) |
4.0 | 0.25 | 12.4 |
6.0 | 0.4 | 17.0 |
8.0 | 0.62 | 20.6 |
10.0 | 0.81 | 24.3 |
12.0 | 1.0 | 28.5 |
디스크 하중(lbf) | 진동가속도(m/s2) | 패드 마모량(PWR, ㎛/hr) | 웨이퍼 연마율(Å/min) | 웨이퍼 결함 수(ea) | 패드 프로파일 |
2.0 | 0.06 | 2.7 | 2200 | 120 | 정상 |
3.0 | 0.15 | 8 | 2700 | 5 | 정상 |
4.0 | 0.25 | 12.4 | 2755 | 5 | 정상 |
6.0 | 0.4 | 17.0 | 2762 | 4 | 정상 |
8.0 | 0.62 | 20.6 | 2795 | 2 | 정상 |
10.0 | 0.81 | 24.3 | 2788 | 2 | 정상 |
12.0 | 1.0 | 28.5 | 2782 | 6 | 정상 |
20.0 | 4.0 | 55.0 | 2766 | 5 | 정상 |
25.0 | 5.4 | 93.0 | 2588 | 21 | 편마모 |
진동가속도 측정부 위치 | 진동가속도(m/s2) | |||
8lbf | 6lbf | 4lbf | 민감도(편차) | |
a(스윙부에 대응) | 0.25 | 0.22 | 0.19 | 0.06 |
b(연결부 중간지점) | 0.40 | 0.36 | 0.32 | 0.08 |
c(회전부에 대응) | 0.62 | 0.55 | 0.42 | 0.20 |
Claims (9)
- CMP 장치에 있어서,CMP 패드를 컨디셔닝하는 CMP 패드 컨디셔너의 진동가속도를 측정하는 것을 특징으로 하는 CMP 장치.
- 컨디셔닝할 CMP 패드가 놓여진 정반과 일정 간격 이격되어 설치되는 스윙부;상기 스윙부와 수직한 방향으로 상기 스윙 축의 상단에 일단이 설치되어 상기 스윙부를 기준으로 상기 CMP 패드 상에서 회동하는 연결부;상기 연결부의 타단에 설치되어 회전하는 회전부;상기 회전부와 결합되어 회전하면서 상기 CMP 패드를 컨디셔닝하는 CMP 패드 컨디셔너; 및상기 연결부에 설치되며 진동을 감지하고 상기 CMP 패드 컨디셔너의 진동가속도를 측정하는 진동가속도 측정부;를 포함하는 CMP 장치.
- 제2항에 있어서,상기 진동가속도 측정부는 상기 연결부 중 상기 스윙부에 대응하는 위치, 상기 회전부에 대응하는 위치, 상기 연결부의 중간 지점 중 어느 하나에 설치되는 것을 특징으로 하는 CMP 장치.
- 제3항에 있어서,상기 진동가속도 측정부는 상기 연결부 중 상기 회전부에 대응하는 위치에 설치되는 것을 특징으로 하는 CMP 장치.
- 제2항에 있어서,상기 CMP 패드 컨디셔너의 진동가속도는 상기 CMP 패드의 마모량과 비례하는 것을 특징으로 하는 CMP 장치.
- 제5항에 있어서,상기 CMP 패드 컨디셔너의 진동가속도가 0.06 내지 5.4m/s2의 값을 갖도록 조절되는 것을 특징으로 하는 CMP 장치.
- 제6항에 있어서,상기 CMP 패드 컨디셔너의 조절된 진동가속도 값이 0.06 내지 5.4m/s2를 벗어나면 CMP 장치의 점검 또는 CMP 패드 컨디셔너를 교체하는 것을 특징으로 하는 CMP 장치.
- 제1항 내지 제7항 중 어느 한 항에 있어서,상기 진동가속도 측정부로부터 측정된 진동가속도가 기 저장된 진동가속도의 범위를 벗어나면 상기 CMP 장치의 점검 신호 또는 상기 CMP 패드 컨디셔너의 교체 신호를 발생하는 제어부;를 더 포함하는 것을 특징으로 하는 CMP 장치.
- 제8항에 있어서,기 저장된 진동가속도의 범위는 0.06 내지 5.4m/s2인 것을 특징으로 하는 CMP 장치.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012006468.2T DE112012006468T5 (de) | 2012-06-07 | 2012-06-07 | CMP-Vorrichtung |
PCT/KR2012/004502 WO2013183799A1 (ko) | 2012-06-07 | 2012-06-07 | Cmp 장치 |
JP2015515920A JP6008220B2 (ja) | 2012-06-07 | 2012-06-07 | Cmp装置 |
US14/405,116 US9421668B2 (en) | 2012-06-07 | 2012-06-07 | CMP apparatus |
CN201280073810.9A CN104508802B (zh) | 2012-06-07 | 2012-06-07 | 化学机械抛光设备 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/KR2012/004502 WO2013183799A1 (ko) | 2012-06-07 | 2012-06-07 | Cmp 장치 |
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WO2013183799A1 true WO2013183799A1 (ko) | 2013-12-12 |
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PCT/KR2012/004502 WO2013183799A1 (ko) | 2012-06-07 | 2012-06-07 | Cmp 장치 |
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US (1) | US9421668B2 (ko) |
JP (1) | JP6008220B2 (ko) |
CN (1) | CN104508802B (ko) |
DE (1) | DE112012006468T5 (ko) |
WO (1) | WO2013183799A1 (ko) |
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KR102581481B1 (ko) * | 2016-10-18 | 2023-09-21 | 삼성전자주식회사 | 화학적 기계적 연마 방법, 반도체 소자의 제조 방법, 및 반도체 제조 장치 |
US10857651B2 (en) | 2017-11-20 | 2020-12-08 | Taiwan Semiconductor Manufacturing Company Ltd. | Apparatus of chemical mechanical polishing and operating method thereof |
US11577362B2 (en) | 2018-03-14 | 2023-02-14 | Applied Materials, Inc. | Pad conditioner cut rate monitoring |
US11794305B2 (en) | 2020-09-28 | 2023-10-24 | Applied Materials, Inc. | Platen surface modification and high-performance pad conditioning to improve CMP performance |
Citations (4)
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KR19980084102A (ko) * | 1997-05-21 | 1998-12-05 | 정해도 | 화학기계적 폴리싱(CMP) 장치의 패드 컨디셔너(Pad Conditioner) |
US7163435B2 (en) * | 2005-01-31 | 2007-01-16 | Tech Semiconductor Singapore Pte. Ltd. | Real time monitoring of CMP pad conditioning process |
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2012
- 2012-06-07 WO PCT/KR2012/004502 patent/WO2013183799A1/ko active Application Filing
- 2012-06-07 DE DE112012006468.2T patent/DE112012006468T5/de active Pending
- 2012-06-07 CN CN201280073810.9A patent/CN104508802B/zh active Active
- 2012-06-07 US US14/405,116 patent/US9421668B2/en active Active
- 2012-06-07 JP JP2015515920A patent/JP6008220B2/ja active Active
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KR19980084102A (ko) * | 1997-05-21 | 1998-12-05 | 정해도 | 화학기계적 폴리싱(CMP) 장치의 패드 컨디셔너(Pad Conditioner) |
US7198542B2 (en) * | 2003-12-30 | 2007-04-03 | Advanced Micro Devices, Inc, | Method and system for controlling the chemical mechanical polishing by using a seismic signal of a seismic sensor |
US7163435B2 (en) * | 2005-01-31 | 2007-01-16 | Tech Semiconductor Singapore Pte. Ltd. | Real time monitoring of CMP pad conditioning process |
KR20090024733A (ko) * | 2006-06-28 | 2009-03-09 | 쓰리엠 이노베이티브 프로퍼티즈 컴파니 | 연마 용품, cmp 모니터링 시스템 및 방법 |
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DE112012006468T5 (de) | 2015-03-05 |
CN104508802A (zh) | 2015-04-08 |
US20150140900A1 (en) | 2015-05-21 |
JP6008220B2 (ja) | 2016-10-19 |
CN104508802B (zh) | 2017-05-24 |
US9421668B2 (en) | 2016-08-23 |
JP2015523223A (ja) | 2015-08-13 |
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