JP7242141B2 - 被加工物の加工方法 - Google Patents
被加工物の加工方法 Download PDFInfo
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- JP7242141B2 JP7242141B2 JP2019116599A JP2019116599A JP7242141B2 JP 7242141 B2 JP7242141 B2 JP 7242141B2 JP 2019116599 A JP2019116599 A JP 2019116599A JP 2019116599 A JP2019116599 A JP 2019116599A JP 7242141 B2 JP7242141 B2 JP 7242141B2
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- 238000000227 grinding Methods 0.000 claims description 358
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- 238000012545 processing Methods 0.000 claims description 18
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- 239000004065 semiconductor Substances 0.000 description 8
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- 239000006061 abrasive grain Substances 0.000 description 3
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- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 2
- 229910002601 GaN Inorganic materials 0.000 description 2
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 2
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
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- 229910010271 silicon carbide Inorganic materials 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
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Images
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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/20—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground
- B24B7/22—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain
- B24B7/228—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor characterised by a special design with respect to properties of the material of non-metallic articles to be ground for grinding inorganic material, e.g. stone, ceramics, porcelain for grinding thin, brittle parts, e.g. semiconductors, wafers
-
- 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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
-
- 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
- B24B37/013—Devices or means for detecting lapping completion
-
- 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
- B24B37/04—Lapping machines or devices; Accessories designed for working plane surfaces
-
- 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
- B24B41/005—Feeding or manipulating devices specially adapted to grinding 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
-
- 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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
-
- 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
- B24B49/02—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
-
- 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
- B24B7/00—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor
- B24B7/04—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a rotary work-table
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- 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
- B24B49/02—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent
- B24B49/04—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 according to the instantaneous size and required size of the workpiece acted upon, the measuring or gauging being continuous or intermittent involving measurement of the workpiece at the place of grinding during grinding operation
-
- 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
- B24B49/10—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 electrical means
-
- 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
- B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/40—Caliper-like sensors
- G01B2210/42—Caliper-like sensors with one or more detectors on a single side of the object to be measured and with a backing surface of support or reference on the other side
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B2210/00—Aspects not specifically covered by any group under G01B, e.g. of wheel alignment, caliper-like sensors
- G01B2210/40—Caliper-like sensors
- G01B2210/48—Caliper-like sensors for measurement of a wafer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Description
1a 表面
1b 裏面
3 保護部材
2 研削装置
4 基台
6 ターンテーブル
6a 搬入・搬出領域
6b 粗研削領域
6c 仕上げ研削領域
8 チャックテーブル
8a 保持面
8b 多孔質部材
8c テーブル回転軸
8d テーブル支持台
8e テーブル回転モータ
10a,10b 研削ユニット
12a,12b スピンドルモータ
12c ホイール回転軸
14a,14b スピンドル
16a,16b ホイールマウント
18a,18b 研削ホイール
20a,20b 研削砥石
22a,22b コラム
24a,24b 研削送りユニット
26a,26b カセット載置台
28a,28b カセット
30 搬送ロボット
32 位置決めテーブル
34 ローディングアーム
36 アンローディングアーム
38 スピンナ洗浄装置
40,42 厚さ測定ユニット
40a,40b プローブ
40c ポスト
44 制御ユニット
46 サーボドライバー
48 サーボモータ
50 スピンドル
52 ナット部
54 昇降プレート
Claims (2)
- 被加工物を保持する保持面を有し該保持面と交差する軸の周りに回転するチャックテーブルと、
研削砥石を含む円盤状の研削ホイールが装着され該研削ホイールを周方向に回転させるスピンドルと、
該チャックテーブルと該スピンドルとを互いに接近又は離反する方向に相対的に移動させるサーボモータを有する研削送りユニットと、
該研削送りユニットの該サーボモータに信号を送るサーボドライバーと、
該サーボドライバーを制御する制御ユニットと、を備える研削装置によって該被加工物を研削する研削方法であって、
該被加工物を該チャックテーブルの該保持面で保持する保持ステップと、
予め該制御ユニットに登録された該被加工物の目標厚さを該被加工物の厚さから引いた値を予定研削量として算出し、算出された該予定研削量を該制御ユニットにより該研削送りユニットの該サーボドライバーに指令する研削量指令ステップと、
該チャックテーブル及び該研削ホイールをそれぞれ回転させながら、該研削送りユニットの該サーボモータにより該チャックテーブルと該スピンドルとを互いに接近する方向に相対的に移動させ、該チャックテーブルに保持された該被加工物を該研削砥石で研削する研削ステップと、を備え、
該研削ステップでは、該サーボドライバーは、該チャックテーブルと該スピンドルとが該予定研削量に対応する目標距離だけ相対的に移動したとき該チャックテーブルと該スピンドルとの相対的な移動を終了させることを特徴とする被加工物の加工方法。 - 該研削装置は、該チャックテーブルの該保持面で保持された該被加工物の厚さを測定する厚さ測定ユニットをさらに備え、
該研削量指令ステップでは、該被加工物の厚さが該目標厚さに到達するまで該厚さ測定ユニットで該被加工物の厚さを繰り返し測定し、測定された該被加工物の厚さから該目標厚さを引いた値で予定研削量を更新し、更新された該予定研削量を該制御ユニットにより該研削送りユニットの該サーボドライバーに繰り返し指令し、
該研削ステップでは、該サーボドライバーは、該チャックテーブルと該スピンドルとが該目標距離だけ相対的に移動するまでに該制御ユニットから更新された該予定研削量を指令される度に、更新された該予定研削量に基づいて該目標距離を更新することを特徴とする請求項1記載の被加工物の加工方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019116599A JP7242141B2 (ja) | 2019-06-24 | 2019-06-24 | 被加工物の加工方法 |
US16/904,725 US20200398400A1 (en) | 2019-06-24 | 2020-06-18 | Method of processing workpiece |
DE102020207765.7A DE102020207765A1 (de) | 2019-06-24 | 2020-06-23 | Verfahren zum Bearbeiten eines Werkstücks |
CN202010577921.XA CN112123063A (zh) | 2019-06-24 | 2020-06-23 | 被加工物的加工方法 |
CZ2020362A CZ2020362A3 (cs) | 2019-06-24 | 2020-06-24 | Způsob zpracování obráběného kusu |
Applications Claiming Priority (1)
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JP2019116599A JP7242141B2 (ja) | 2019-06-24 | 2019-06-24 | 被加工物の加工方法 |
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JP2021000711A JP2021000711A (ja) | 2021-01-07 |
JP7242141B2 true JP7242141B2 (ja) | 2023-03-20 |
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US (1) | US20200398400A1 (ja) |
JP (1) | JP7242141B2 (ja) |
CN (1) | CN112123063A (ja) |
CZ (1) | CZ2020362A3 (ja) |
DE (1) | DE102020207765A1 (ja) |
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JP6300654B2 (ja) * | 2014-06-13 | 2018-03-28 | 株式会社ディスコ | 研削方法 |
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JP6803171B2 (ja) * | 2016-08-18 | 2020-12-23 | 株式会社ディスコ | 研削装置及び加工装置 |
JP6909598B2 (ja) * | 2017-03-13 | 2021-07-28 | 光洋機械工業株式会社 | 平面研削方法及び平面研削装置 |
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2019
- 2019-06-24 JP JP2019116599A patent/JP7242141B2/ja active Active
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2020
- 2020-06-18 US US16/904,725 patent/US20200398400A1/en not_active Abandoned
- 2020-06-23 DE DE102020207765.7A patent/DE102020207765A1/de active Pending
- 2020-06-23 CN CN202010577921.XA patent/CN112123063A/zh active Pending
- 2020-06-24 CZ CZ2020362A patent/CZ2020362A3/cs unknown
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2003209080A (ja) | 2002-01-11 | 2003-07-25 | Disco Abrasive Syst Ltd | 半導体ウェーハ保護部材及び半導体ウェーハの研削方法 |
JP2011200960A (ja) | 2010-03-25 | 2011-10-13 | Disco Corp | 研削装置 |
WO2018179368A1 (ja) | 2017-03-31 | 2018-10-04 | 三菱電機株式会社 | 制御装置およびモータ制御システム |
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CZ2020362A3 (cs) | 2021-01-06 |
CN112123063A (zh) | 2020-12-25 |
JP2021000711A (ja) | 2021-01-07 |
US20200398400A1 (en) | 2020-12-24 |
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