WO2012122749A1 - 用于测量硅片的膜厚度的测量装置 - Google Patents
用于测量硅片的膜厚度的测量装置 Download PDFInfo
- Publication number
- WO2012122749A1 WO2012122749A1 PCT/CN2011/075513 CN2011075513W WO2012122749A1 WO 2012122749 A1 WO2012122749 A1 WO 2012122749A1 CN 2011075513 W CN2011075513 W CN 2011075513W WO 2012122749 A1 WO2012122749 A1 WO 2012122749A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sensor
- eddy current
- position velocity
- velocity sensor
- silicon wafer
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
- G01B7/105—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance for measuring thickness of coating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
- G01B7/10—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness using magnetic means, e.g. by measuring change of reluctance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
- G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
Definitions
- the present invention relates to a measuring device, and more particularly to a measuring device for measuring the film thickness of a silicon wafer. Background technique
- the global accurate film thickness value of the silicon wafer is crucial.
- Chemical mechanical polishing can be used to achieve different planarization of the silicon wafer at various points or regions with different film thicknesses on the silicon wafer, as well as good uniformity of polishing within the silicon wafer.
- different polishing process parameters can be used for the silicon wafer according to the film thickness of different silicon wafers, and the polishing uniformity between the silicon wafer and the silicon wafer can be ensured. Therefore, it is important to accurately measure the film thickness at each point on the silicon wafer. Summary of the invention
- an object of the present invention is to provide a measuring device which can measure the global film thickness of a silicon wafer.
- a measuring apparatus for measuring a film thickness of a silicon wafer comprising: a position velocity sensor linearly arranged in a longitudinal direction to be first and a two position velocity sensor array, the first and second position velocity sensor arrays are laterally spaced apart from each other and the position velocity sensor in the first position velocity sensor array is respectively in the lateral direction and the second positional velocity a position velocity sensor in the sensor array - corresponding to; an eddy current sensor, the eddy current sensor being located in a plane of symmetry perpendicular to the lateral direction between the first position velocity sensor array and the second position velocity sensor array; a controller, the controller being respectively connected to the position speed sensor, the distance measuring sensor and the eddy current sensor for detecting signals according to the position speed sensor, the distance measuring sensor and the eddy current sensor Control the measurement of film thickness.
- the film thickness of the silicon wafer to be tested is measured by the eddy current sensor, and the speed and position of the silicon wafer to be tested are detected in real time by the position velocity sensor, and the eddy current inductor is accurately positioned.
- the position of the measured point, and the film thickness detection signal, the position detection signal and the speed detection signal of the silicon wafer to be tested are fed back to the controller to form a closed loop control, thereby achieving accurate measurement of the global film thickness of the silicon wafer.
- the measuring apparatus may have the following additional technical features: According to an embodiment of the present invention, the measuring apparatus further includes a ranging sensor, the ranging sensor being disposed around the eddy current sensor and Connected to the controller, wherein the controller corrects the detection signal of the eddy current sensor by using a detection signal of the ranging sensor, thereby obtaining a more accurate film thickness.
- the eddy current sensors are arranged in pairs in a vertical direction and the adjacent magnetic poles of the pair of eddy current sensors are opposite, wherein the distance measuring sensor is disposed in the pair of the eddy current sensors Winding around the eddy current sensor.
- the adjacent magnetic poles of the pair of eddy current sensors are opposite to each other to enhance magnetism, thereby enhancing the intensity of the detection signal of the eddy current sensor.
- the bottom surface of the distance measuring sensor is in the same horizontal plane as the bottom surface of the eddy current sensor.
- the eddy current sensor, the ranging sensor, and the first position velocity sensor array and the second position velocity sensor array are parallel to each other and in the same horizontal plane.
- the position speed sensor is a proximity switch including a signal generating element and a signal receiving element which are disposed opposite to each other and spaced apart in the vertical direction.
- the proximity switch is a photoelectric proximity switch.
- the ranging sensor is an ultrasonic ranging sensor, a laser ranging sensor or an infrared ranging sensor.
- the measuring device further includes a bracket, the position velocity sensor, the ranging sensor and the eddy current sensor are respectively mounted on the bracket, so that the position speed sensor can be
- the ranging sensor and the eddy current sensor are in a stable state, thereby avoiding the accuracy of the measurement result caused by the vibration or movement of the sensor during the measurement process, and the preparation device can be conveniently ensured by ensuring the processing precision of the bracket. Precision.
- FIG. 1 is a schematic top plan view of a measuring device according to an embodiment of the present invention.
- FIG. 2 is a schematic front view showing the structure of a measuring apparatus according to an embodiment of the present invention. detailed description
- connection is to be understood broadly, and may be, for example, mechanically or electrically connected, or The internal communication between the two components may be directly connected or indirectly connected through an intermediate medium.
- connection between the two adjacent devices on the device through the processing medium is also referred to as “connected,” or “connected,”
- connection may be understood on a case-by-case basis.
- a measuring apparatus includes a position and velocity sensor 4, an eddy current sensor 1, and a controller.
- the position and velocity sensors 4 are linearly arranged in the longitudinal direction A into a first positional velocity sensor array and a second positional velocity sensor array (upper and lower positional velocity sensor arrays in FIG. 1), the first positional velocity sensor array and the second positional velocity
- the sensor array has a plurality of position velocity sensors 4, respectively.
- the first position velocity sensor array and the second position velocity sensor array are spaced apart from each other in the lateral direction B for measuring the translational speed and the rotational speed of the silicon wafer 1.
- the distance between the first positional speed sensor array and the second positional speed sensor array in the lateral direction B is not particularly limited, and the first positional speed sensor array and the first positional speed sensor array may be adjusted according to a specific application.
- the separation distance of the two position velocity sensor arrays in the lateral direction B is not particularly limited, and the first positional speed sensor array and the first positional speed sensor array may be adjusted according to a specific application.
- the position velocity sensor 4 in the first position velocity sensor array corresponds to the position velocity sensor 4 in the second position velocity sensor array in the lateral direction B, respectively.
- the left first position speed sensor 4 in the first position speed sensor array and the left first position speed sensor 4 in the second position speed sensor array correspond in the lateral direction B
- the left second position speed sensor 4 in the first position speed sensor array corresponds to the left second position speed sensor 4 in the second position speed sensor array in the lateral direction B, and so on, until
- the last position velocity sensor (the rightmost position velocity sensor in FIG. 1) of the first position velocity sensor array and the second position velocity sensor array corresponds in the lateral direction B.
- the eddy current sensor 1 is located in a plane of symmetry between the first position velocity sensor array and the second position velocity sensor array perpendicular to the lateral direction B. As shown in FIG. 1, the projection of the eddy current sensor 2 on the horizontal plane is located. Place A longitudinal symmetry centerline L between the first position velocity sensor array and the projection of the second position velocity sensor array on a horizontal plane.
- the silicon wafer 1 passes under the eddy current sensor 2, thereby completing measurement of the film thickness at a predetermined point on the silicon wafer 1.
- Controllers (not shown) are connected to the position speed sensor 4 and the eddy current sensor 1, respectively, for controlling the measurement of the film thickness based on the detection signals of the position speed sensor 3 and the eddy current sensor 1.
- the center of the silicon wafer 1 is along the first position velocity sensor array and the second position velocity sensor.
- the direction of the longitudinal symmetry center line L of the array (the direction indicated by the hollow arrow in Fig. 1 and the direction indicated by the solid arrow in Fig. 2) is uniformly translated, and the silicon wafer 1 is uniformly rotated while being uniformly translated.
- the leftmost two position velocity sensors 4 of the first position velocity sensor array and the second position velocity sensor array detect the wafer 1 and stop the translation of the wafer 1. motion.
- the projection of the two leftmost position sensor 4 on the silicon wafer 1 is located on the circumference of the silicon wafer 1, and the wafer notch 11 of the silicon wafer 1 is sequentially detected by the two leftmost position speed sensors 4.
- the uniform rotation speed of the silicon wafer 1 can be calculated from the time interval and the angle between the two leftmost position sensors 4 and the center line of the silicon wafer 1.
- the silicon wafer 1 continues to move at a uniform speed, and silicon is calculated by sequentially detecting the time interval of the silicon wafer 1 and the distance between the adjacent two position speed sensors 4 by two adjacent position speed sensors 4 in the same position speed sensor array.
- the trajectory and position of the point on the silicon wafer 1 measured by the eddy current sensor 2 can be calculated from the uniform moving speed of the silicon wafer 1 and the uniform rotating speed.
- the measuring device measures the film thickness of the silicon wafer 1 by the eddy current sensor 1, and detects the speed and position of the silicon wafer 1 in real time by the position velocity sensor 4, accurately positioning the position of the point measured by the eddy current inductor 1.
- the controller receives the film thickness detection signal, the position detection signal, and the speed detection signal of the silicon wafer 1 from the eddy current sensor 1 and the position velocity sensor 4, respectively, to form a closed loop control.
- the controller can accurately calculate the trajectory and position of the point measured by the eddy current sensor 2 by the uniform translation speed of the silicon wafer 1, the uniform rotation speed, and the diameter of the silicon wafer 1, and the trajectory of the measured point is a spiral.
- the eddy current sensor 2 can measure the film thickness of most points on the silicon wafer 1, thereby achieving accurate measurement of the global film thickness of the silicon wafer 1, in other words, according to the present invention.
- the measuring device of the example can measure the film thickness over the entire wafer 1.
- the measuring device further comprises a distance measuring sensor 3 disposed around the eddy current sensor 1 and connected to the controller to feed back a detection signal to the controller.
- the distance measuring sensor 3 is for measuring the distance between the eddy current sensor 1 and the silicon wafer 1, and the distance between the distance measuring sensor 3 and the eddy current sensor 1 can be set in advance.
- the distance between the distance measuring sensor 3 and the silicon wafer 1 plus or minus the distance between the distance measuring sensor 3 and the eddy current sensor 1 is the distance between the eddy current sensor 1 and the silicon wafer 1.
- the controller corrects the detection signal of the eddy current sensor 2 by using the detection signal of the distance measuring sensor 3.
- the bottom surface of the distance measuring sensor 3 is in the same horizontal plane as the bottom surface of the eddy current sensor 1, in other words, the distance between the distance measuring sensor 3 and the eddy current sensor 1 is zero.
- the distance measuring sensor 3 measures The value obtained is the distance between the eddy current sensor 2 and the silicon wafer 1.
- the ranging sensor 3 is an ultrasonic ranging sensor, a laser ranging sensor, or an infrared ranging sensor.
- the eddy current sensors 1 are arranged in pairs in the vertical direction C, and the adjacent magnetic poles of the pair of eddy current sensors are opposite, that is, the upper eddy current sensor 1 in the vertical direction C and the power is off.
- the adjacent magnetic poles of the eddy current sensor 1 are opposite, and the distance measuring sensor 3 is disposed around the upper eddy current sensor 2.
- the silicon wafer 1 passes between the upper eddy current sensor 1 and the lower eddy current sensor 1.
- the upper eddy current sensor 1 and the lower eddy current sensor 1 are arranged in such a manner that adjacent magnetic poles are opposite to each other to enhance the magnetism, thereby enhancing the intensity of the detection signal of the eddy current sensor 2.
- the eddy current sensor 1 may be a known eddy current sensor.
- the eddy current sensor 1 is located on the same circumference as the projection of the two proximal position velocity sensors 4 of the first position velocity sensor array and the second position velocity sensor array in the horizontal plane.
- the size of the circumference may be the same as the size of the circumference of the silicon wafer 1.
- the near end refers to the first proximity of the silicon wafer 1 of the first position velocity sensor array and the second position velocity sensor array when the film thickness of the silicon wafer 1 is measured by the measuring device according to the embodiment of the invention. End (left end in Figures 1 and 1).
- the silicon wafer 1 is horizontally disposed, so that the projection of the eddy current sensor 2 and the two proximal end position velocity sensors 4 in the horizontal plane can be located on the circumference of the silicon wafer 1.
- the distance between the first positional speed sensor array and the second positional speed sensor array, and the position of the eddy current sensor 2 are generally determined according to the size of the circumference of the silicon wafer 1 to be tested, thereby making the eddy current
- the projection of the sensor 1 and the two proximal position velocity sensors 4 in the horizontal plane is located on the circumference of the silicon wafer 1 to be tested, which makes it easier to determine the measurement starting position of the silicon wafer 1.
- the eddy current sensor 2, the ranging sensor 3, the first position velocity sensor array, and the second position velocity sensor array are parallel to each other and in the same horizontal plane, thereby making measurement more convenient.
- the position velocity sensor 4 may be a proximity switch including signal generating elements and signal receiving elements disposed opposite to each other and spaced apart in the vertical direction C, that is, The signal generating component and the signal receiving component are in different horizontal planes. The signal generating element and the signal receiving element are used to measure the rotational speed of the silicon wafer 1.
- the proximity switch may be a photoelectric proximity switch.
- the measuring device further includes a bracket 5 on which the position velocity sensor 4, the ranging sensor 3, and the eddy current sensor 1 are mounted, respectively.
- the position speed sensor 4, the distance measuring sensor 3 and the eddy current sensor 1 can be in a stable state, thereby avoiding the accuracy of the measurement result caused by the vibration or movement of the above-mentioned sensor during the measurement, and by processing the bracket 5, The installation accuracy is guaranteed to ensure measurement accuracy.
- the first positional speed sensor array and the second positional speed sensor array are parallel to each other and in the same horizontal plane, and the eddy current sensor 1 is simultaneously disposed at the first positional speed sensor in the vertical direction C.
- the adjacent magnetic poles of the pair of eddy current sensors are opposite, the distance measuring sensor 3 is disposed around the upper eddy current sensor 2 of the pair of eddy current sensors, and the bottom surface of the distance measuring sensor 3 and the upper eddy current The bottom surface of the sensor 1 is in the same horizontal plane.
- the eddy current sensor 1 is located on the same circumference as the projection of the two proximal position velocity sensors 4 of the first position velocity sensor array and the second position velocity sensor array in the horizontal plane.
- the eddy current sensor 2, the distance measuring sensor 3, and the position speed sensor 4 can be mounted on the bracket 5, respectively.
- the center of the silicon wafer 1 is along the first position velocity sensor array and the second position velocity sensor.
- the direction of the longitudinal symmetry center line L of the array (the direction indicated by the hollow arrow in Fig. 1 and the direction indicated by the solid arrow in Fig. 2) is uniformly translated, and the silicon wafer 1 is uniformly rotated while being uniformly translated.
- the silicon wafer notch 11 of the silicon wafer 1 serves as a starting point for film thickness measurement.
- the silicon wafer notch 11 of the silicon wafer 1 is detected by the two leftmost position velocity sensors 4, and during the rotation of the silicon wafer 1, the silicon wafer notch 11 sequentially passes through the above two position velocity sensors 4, thereby detecting the silicon wafer. The notch 11 thus obtains the rotational speed of the silicon wafer.
- the angle between the position velocity sensor 4 and the center line of the silicon wafer 1 is the time interval at which the leftmost two position speed sensors 4 sequentially detect the silicon chip notches 11 of the silicon wafer 1.
- the calculated rotational speed is fed back to the controller for detecting and controlling the rotational speed of the wafer 1 in real time.
- the wafer is uniformly translated at a constant speed. Since the eddy current sensor 2 is disposed vertically above the longitudinal symmetry center line L of the first position velocity sensor array and the second position velocity sensor array in the vertical direction C, and the eddy current sensor 1 and the leftmost two position speeds The projection of the sensor 4 in the horizontal plane is located on the circumference of the silicon wafer 1, so that the eddy current sensor 2 measures the film thickness of the silicon wafer 1 with the silicon wafer notch 11 of the silicon wafer 1 as a starting point, and the distance measuring sensor 3 measures the eddy current. The distance between the sensor 1 and the silicon wafer 1.
- the translational speed of the silicon wafer 1 is measured by two adjacent position velocity sensors in the same array.
- the position velocity sensor 4 sequentially detects the interval time of the wafer 1.
- the calculated translational velocity is fed back to the controller for detecting and controlling the translational speed of the wafer 1 in real time.
- the eddy current sensor 1 measures the film thickness of the center of the silicon wafer 1
- the translational and rotational movement of the silicon wafer 1 is stopped, and the measurement is completed, whereby the film thickness value on the entire silicon wafer 1 is obtained, that is, the film thickness is realized.
- Global measurement In the description of the present specification, the description of the terms “one embodiment”, “some embodiments”, “example”, “specific example”, or “some examples” and the like means a specific feature described in connection with the embodiment or example.
- a structure, material or feature is included in at least one embodiment or example of the invention.
- the schematic representation of the above terms does not necessarily mean the same embodiment or example.
- the particular features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/387,849 US8912790B2 (en) | 2011-03-15 | 2011-06-09 | Measuring device for measuring film thickness of silicon wafer |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110062594.5A CN102183198B (zh) | 2011-03-15 | 2011-03-15 | 用于测量硅片的膜厚度的测量装置 |
| CN201110062594.5 | 2011-03-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012122749A1 true WO2012122749A1 (zh) | 2012-09-20 |
Family
ID=44569448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2011/075513 Ceased WO2012122749A1 (zh) | 2011-03-15 | 2011-06-09 | 用于测量硅片的膜厚度的测量装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8912790B2 (zh) |
| CN (1) | CN102183198B (zh) |
| TW (1) | TWI454658B (zh) |
| WO (1) | WO2012122749A1 (zh) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049732B (zh) * | 2010-08-30 | 2012-05-23 | 清华大学 | 一种硅片边缘膜厚测量方法 |
| CN102445144B (zh) * | 2011-09-22 | 2013-07-31 | 清华大学 | 用于在线膜厚测量系统的标定方法及标定装置 |
| EP2940182B1 (en) * | 2012-11-30 | 2020-05-20 | LG Chem, Ltd. | Roll |
| CN104097118A (zh) * | 2013-04-02 | 2014-10-15 | 盛美半导体设备(上海)有限公司 | 无应力抛光集成装置 |
| US10260855B2 (en) | 2013-06-12 | 2019-04-16 | Applied Materials, Inc. | Electroplating tool with feedback of metal thickness distribution and correction |
| US9505101B1 (en) * | 2015-06-24 | 2016-11-29 | The Boeing Company | Automated sanding system and method |
| CN107243826B (zh) * | 2017-07-06 | 2019-06-07 | 天津华海清科机电科技有限公司 | 调整cmp后晶圆膜厚均匀性的方法 |
| KR20220082887A (ko) * | 2019-10-17 | 2022-06-17 | 램 리써치 코포레이션 | 기판 표면들의 인-시츄 모니터링 (in-situ monitoring) |
| CN111457878B (zh) * | 2020-05-15 | 2025-03-18 | 青岛高测科技股份有限公司 | 一种多功能硅片检测平台 |
| DE102021202154A1 (de) * | 2021-03-05 | 2022-09-08 | Volkswagen Aktiengesellschaft | Verfahren zur Kontrolle einer Siegelnaht einer Pouch-Batteriezelle |
| CN113028970A (zh) * | 2021-03-12 | 2021-06-25 | 北方民族大学 | 一种基于涡流技术的管道工件同时测距测厚法 |
| WO2022265967A2 (en) * | 2021-06-15 | 2022-12-22 | Axus Technology, Llc | Method and apparatus for in-situ monitoring of chemical mechanical planarization (cmp) processes |
| CN114518088A (zh) * | 2022-02-16 | 2022-05-20 | 深圳市太科检测有限公司 | 一种用于测量沥青马歇尔试件试模内高度的方法及装置 |
| CN120194602A (zh) * | 2023-05-06 | 2025-06-24 | 华海清科股份有限公司 | 用于晶圆金属薄膜厚度的测量仪及测量方法 |
| CN117781988B (zh) * | 2024-02-27 | 2024-05-14 | 中国科学院长春光学精密机械与物理研究所 | 一种检测半导体晶片厚度的检测装置 |
| CN119022811A (zh) * | 2024-10-28 | 2024-11-26 | 上海申茂电磁线有限公司 | 一种漆包扁线膜厚测量系统 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003097935A (ja) * | 2001-09-20 | 2003-04-03 | Nippei Toyama Corp | 距離検出装置および厚さ検出装置 |
| US20080239308A1 (en) * | 2007-04-02 | 2008-10-02 | Applied Materials, Inc. | High throughput measurement system |
| CN101524829A (zh) * | 2003-12-30 | 2009-09-09 | 应用材料股份有限公司 | 通过耦合涡流传感器测量薄膜厚度的方法和设备 |
| US20100120333A1 (en) * | 2008-11-07 | 2010-05-13 | Applied Materials, Inc. | In-Line Wafer Thickness Sensing |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5062298A (en) * | 1989-12-05 | 1991-11-05 | E. I. Du Pont De Nemours And Company | Non-contact wet or dry film thickness measuring device using eddy current and ultrasonic sensors |
| GB9712750D0 (en) * | 1997-06-17 | 1997-08-20 | Penny & Giles International Pl | Improvements relating to velocity sensors |
| JP2002148012A (ja) * | 2000-11-08 | 2002-05-22 | Ulvac Japan Ltd | 膜厚測定装置及び膜厚測定方法 |
| US7112961B2 (en) * | 2002-12-13 | 2006-09-26 | Applied Materials, Inc. | Method and apparatus for dynamically measuring the thickness of an object |
| CN1739002A (zh) * | 2002-12-13 | 2006-02-22 | 应用材料有限公司 | 在两个涡流传感头之间测量待测物厚度的方法和装置 |
| US7112960B2 (en) * | 2003-07-31 | 2006-09-26 | Applied Materials, Inc. | Eddy current system for in-situ profile measurement |
| US6961133B2 (en) * | 2003-08-29 | 2005-11-01 | The Boeing Company | Method and apparatus for non-contact thickness measurement |
| US20050083048A1 (en) * | 2003-10-21 | 2005-04-21 | Applied Materials, Inc. | Plating system with integrated substrate inspection |
| JP2006010466A (ja) * | 2004-06-25 | 2006-01-12 | Matsushita Electric Ind Co Ltd | 板材の平坦度測定方法および装置 |
| CN101934491B (zh) * | 2004-11-01 | 2012-07-25 | 株式会社荏原制作所 | 抛光设备 |
| JP2010107195A (ja) * | 2007-07-18 | 2010-05-13 | Nikon Corp | 検査装置および検査方法 |
| CN201293627Y (zh) * | 2008-10-21 | 2009-08-19 | 中芯国际集成电路制造(上海)有限公司 | 厚度测量仪 |
| JP5615831B2 (ja) * | 2008-11-14 | 2014-10-29 | アプライド マテリアルズ インコーポレイテッドApplied Materials,Incorporated | 縁部分解能強化渦電流センサ |
| CN101660896B (zh) * | 2009-09-23 | 2013-04-17 | 中国电子科技集团公司第四十五研究所 | 基于红外光学干涉法的半导体晶圆膜厚检测装置 |
-
2011
- 2011-03-15 CN CN201110062594.5A patent/CN102183198B/zh active Active
- 2011-06-09 WO PCT/CN2011/075513 patent/WO2012122749A1/zh not_active Ceased
- 2011-06-09 US US13/387,849 patent/US8912790B2/en active Active
- 2011-08-12 TW TW100128833A patent/TWI454658B/zh active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003097935A (ja) * | 2001-09-20 | 2003-04-03 | Nippei Toyama Corp | 距離検出装置および厚さ検出装置 |
| CN101524829A (zh) * | 2003-12-30 | 2009-09-09 | 应用材料股份有限公司 | 通过耦合涡流传感器测量薄膜厚度的方法和设备 |
| US20080239308A1 (en) * | 2007-04-02 | 2008-10-02 | Applied Materials, Inc. | High throughput measurement system |
| US20100120333A1 (en) * | 2008-11-07 | 2010-05-13 | Applied Materials, Inc. | In-Line Wafer Thickness Sensing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102183198A (zh) | 2011-09-14 |
| CN102183198B (zh) | 2012-08-22 |
| US20140002062A1 (en) | 2014-01-02 |
| TWI454658B (zh) | 2014-10-01 |
| TW201237367A (en) | 2012-09-16 |
| US8912790B2 (en) | 2014-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2012122749A1 (zh) | 用于测量硅片的膜厚度的测量装置 | |
| TWI382491B (zh) | Position control fixture | |
| CN102749473B (zh) | 一种二维热膜风速风向传感器及其制备方法 | |
| WO2012028007A1 (zh) | 晶片边缘膜厚测量方法 | |
| CN108761214B (zh) | 一种自适应表面磁场测量平台及测量方法 | |
| KR20150040756A (ko) | 연마 방법 | |
| TW200415340A (en) | Method and apparatus for measuring object thickness | |
| CN107993958B (zh) | 半导体缺陷检测/光刻中的正交性补偿方法及补偿系统 | |
| WO2014101586A1 (zh) | 一种晶圆预对准方法 | |
| US20090115422A1 (en) | Jig for detecting position | |
| CN106989679A (zh) | 非接触式半导体晶片测厚装置 | |
| US8932962B2 (en) | Chemical dispensing system and method | |
| JP2008147645A5 (zh) | ||
| JPWO2022054605A5 (zh) | ||
| CN103700601A (zh) | 用于测量晶圆表面铜膜厚度的标定方法和测量方法及装置 | |
| JP6302189B2 (ja) | 渦電流センサを備えた基板保持装置 | |
| CN106197249A (zh) | Cmp过程中铜层厚度在线测量系统及其控制方法 | |
| CN105140146A (zh) | 一种大尺寸磨削晶圆厚度在线测量方法 | |
| CN107499862A (zh) | 一种煤样检测线传送带速度检测方法、装置及传送带 | |
| TW202102870A (zh) | 渦電流檢測器 | |
| CN106338236A (zh) | 膜厚度测量装置及具有其的用于制造晶片的系统 | |
| CN107131850A (zh) | 一种加速管磁环平行度检测装置 | |
| CN207050679U (zh) | 一种加速管磁环平行度检测装置 | |
| CN108709488B (zh) | 用于金属膜厚测量的多量程双探头装置 | |
| TWM435325U (en) | Rotation axis error correction system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WWE | Wipo information: entry into national phase |
Ref document number: 13387849 Country of ref document: US |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11861094 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 28.01.2014) |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11861094 Country of ref document: EP Kind code of ref document: A1 |