JP7427333B2 - エッジアライメント方法 - Google Patents
エッジアライメント方法 Download PDFInfo
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- JP7427333B2 JP7427333B2 JP2020047195A JP2020047195A JP7427333B2 JP 7427333 B2 JP7427333 B2 JP 7427333B2 JP 2020047195 A JP2020047195 A JP 2020047195A JP 2020047195 A JP2020047195 A JP 2020047195A JP 7427333 B2 JP7427333 B2 JP 7427333B2
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0064—Devices for the automatic drive or the program control of the machines
-
- 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
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
- B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
- B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
- B24B9/065—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of thin, brittle parts, e.g. semiconductors, wafers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
- B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
- B28D5/024—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels with the stock carried by a movable support for feeding stock into engagement with the cutting blade, e.g. stock carried by a pivoted arm or a carriage
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/67005—Apparatus not specifically provided for elsewhere
- H01L21/67242—Apparatus for monitoring, sorting or marking
- H01L21/67259—Position monitoring, e.g. misposition detection or presence detection
- H01L21/67265—Position monitoring, e.g. misposition detection or presence detection of substrates stored in a container, a magazine, a carrier, a boat or the like
-
- 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/068—Table-like supports for panels, sheets or the like
-
- 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
- B24B49/12—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 involving optical means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0082—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for supporting, holding, feeding, conveying or discharging work
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/402—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/60—Analysis of geometric attributes
- G06T7/64—Analysis of geometric attributes of convexity or concavity
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/70—Determining position or orientation of objects or cameras
- G06T7/73—Determining position or orientation of objects or cameras using feature-based methods
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/67—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere
- H01L21/68—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment
- H01L21/681—Apparatus specially adapted for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus specially adapted for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components ; Apparatus not specifically provided for elsewhere for positioning, orientation or alignment using optical controlling means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/02—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills
- B28D5/022—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels
- B28D5/029—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by rotary tools, e.g. drills by cutting with discs or wheels with a plurality of cutting blades
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30108—Industrial image inspection
- G06T2207/30164—Workpiece; Machine component
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Theoretical Computer Science (AREA)
- Computer Hardware Design (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Human Computer Interaction (AREA)
- Automation & Control Theory (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Geometry (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Description
4:基台
6:X軸移動機構
8:X軸ガイドレール
10:X軸移動テーブル
11:被加工物
11a:表面、11b:裏面、11c:エッジ、11d:所定位置、11e:環状領域
12:X軸ボールねじ
14:X軸パルスモータ
16:θテーブル
18a:テーブル基台、18b:テーブルカバー
20:チャックテーブル、20a:回転軸、20b:保持面
21,21a:近似円
23:内側閾値円、25:外側閾値円
27,27a:ずれ量、
29:所定位置
30:支持構造
31:切削領域
32:切削ユニット移動機構
34:Y軸ガイドレール
36:Y軸移動プレート
38:Y軸ボールねじ
40:Y軸パルスモータ
42:Z軸ガイドレール
44:Z軸移動プレート
46:Z軸ボールねじ
48:Z軸パルスモータ
50a,50b:切削ユニット
52:切削ブレード
54a,54b:カメラユニット
56:撮像素子
58:ディスプレイ
60:ブレード位置検出ユニット
62:制御部
62a:座標算出部、62b:近似円作成部、62c:判定部、62d:切削領域割出部
64:点
66:許容範囲
Claims (3)
- 円盤状の被加工物のエッジアライメント方法であって、
チャックテーブルで該被加工物を保持する保持ステップと、
該チャックテーブルで保持された該被加工物の外周部の複数の箇所をカメラユニットで撮像する外周部撮像ステップ、又は、該チャックテーブルで保持された該被加工物の外周部の複数の箇所に対してレーザー変位計から光を照射して該被加工物からの反射光を該レーザー変位計で受光することにより該被加工物のエッジに対応する可能性のある一点の位置をそれぞれ検出する位置検出ステップと、
該被加工物の周方向において、該被加工物の外周部の異なる複数の箇所の各々において該被加工物のエッジに対応する可能性のある一点の座標を算出する座標算出ステップと、
該座標算出ステップで算出された全ての座標に対して最小二乗法を用いることで近似円を作成する近似円作成ステップと、
該近似円作成ステップで作成された該近似円と、該全ての座標の各々とのずれ量を算出し、ずれ量が予め設定した閾値以上である座標が存在する場合には、ずれ量が最大の座標を誤検出位置と判定し、誤検出位置と判定された座標を考慮対象から除外する誤検出位置除外ステップと、
該誤検出位置除外ステップの後、除外されずに残った3個以上の座標から該被加工物のエッジの位置を推定し、推定されたエッジの位置に基づいて該被加工物の外周部における加工領域を割り出す加工領域割り出しステップと、
を備えることを特徴とするエッジアライメント方法。 - 該誤検出位置除外ステップでずれ量が最大の座標を除外した後に、該誤検出位置除外ステップで考慮対象から除外されずに残った全ての座標に対して最小二乗法を用いることで、再度、近似円を作成する、追加の近似円作成ステップを更に備えることを特徴とする請求項1記載のエッジアライメント方法。
- 該追加の近似円作成ステップで作成された近似円と、該誤検出位置除外ステップで考慮対象から除外されずに残った全ての座標の各々とのずれ量を算出し、ずれ量が予め設定した閾値以上である座標が存在する場合には、ずれ量が最大の座標を誤検出位置と判定し、誤検出位置と判定された座標を考慮対象から除外する追加の誤検出位置除外ステップを更に備え、
該追加の近似円作成ステップで作成された近似円と、該誤検出位置除外ステップで考慮対象から除外されずに残った全ての座標の各々とのずれ量を算出し、ずれ量が予め設定した閾値以上である座標が存在しない場合には、該加工領域割り出しステップを行うことを特徴とする請求項2記載のエッジアライメント方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020047195A JP7427333B2 (ja) | 2020-03-18 | 2020-03-18 | エッジアライメント方法 |
KR1020210020256A KR20210117150A (ko) | 2020-03-18 | 2021-02-16 | 엣지 얼라인먼트 방법 |
US17/194,482 US12151401B2 (en) | 2020-03-18 | 2021-03-08 | Edge alignment method |
TW110109179A TWI871443B (zh) | 2020-03-18 | 2021-03-15 | 邊緣對準方法 |
CN202110279312.0A CN113496917A (zh) | 2020-03-18 | 2021-03-16 | 边缘对准方法 |
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JP2020047195A JP7427333B2 (ja) | 2020-03-18 | 2020-03-18 | エッジアライメント方法 |
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JP2021150416A JP2021150416A (ja) | 2021-09-27 |
JP7427333B2 true JP7427333B2 (ja) | 2024-02-05 |
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US (1) | US12151401B2 (ja) |
JP (1) | JP7427333B2 (ja) |
KR (1) | KR20210117150A (ja) |
CN (1) | CN113496917A (ja) |
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CN114783865B (zh) * | 2022-04-13 | 2023-02-10 | 苏州优力科瑞半导体科技有限公司 | 一种划片切割方法及系统 |
CN115145221B (zh) * | 2022-07-05 | 2024-07-19 | 湖南大学 | 一种基于机器人铣边误差追溯的工件与刀具位姿标定方法 |
CN115229804B (zh) * | 2022-09-21 | 2023-02-17 | 荣耀终端有限公司 | 组件贴合方法和装置 |
JP2024066889A (ja) * | 2022-11-02 | 2024-05-16 | 日本発條株式会社 | 処理方法、処理プログラムおよび処理システム |
US20240219316A1 (en) * | 2022-12-28 | 2024-07-04 | Mitutoyo Corporation | Metrology system for measuring edge of circular workpiece |
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2020
- 2020-03-18 JP JP2020047195A patent/JP7427333B2/ja active Active
-
2021
- 2021-02-16 KR KR1020210020256A patent/KR20210117150A/ko active Pending
- 2021-03-08 US US17/194,482 patent/US12151401B2/en active Active
- 2021-03-16 CN CN202110279312.0A patent/CN113496917A/zh active Pending
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JP2007108835A (ja) | 2005-10-11 | 2007-04-26 | Keyence Corp | 画像処理装置 |
JP2011249572A (ja) | 2010-05-27 | 2011-12-08 | Disco Abrasive Syst Ltd | ウェーハの中心位置検出方法 |
JP2014052257A (ja) | 2012-09-06 | 2014-03-20 | Asahi Glass Co Ltd | 円盤状基板の形状測定装置及びその方法 |
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JP2017098407A (ja) | 2015-11-24 | 2017-06-01 | 株式会社荏原製作所 | 研磨方法 |
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KR20210117150A (ko) | 2021-09-28 |
CN113496917A (zh) | 2021-10-12 |
US20210291404A1 (en) | 2021-09-23 |
US12151401B2 (en) | 2024-11-26 |
JP2021150416A (ja) | 2021-09-27 |
TW202137360A (zh) | 2021-10-01 |
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