JP7551439B2 - ウェーハの加工方法、及び、加工装置 - Google Patents
ウェーハの加工方法、及び、加工装置 Download PDFInfo
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- JP7551439B2 JP7551439B2 JP2020172605A JP2020172605A JP7551439B2 JP 7551439 B2 JP7551439 B2 JP 7551439B2 JP 2020172605 A JP2020172605 A JP 2020172605A JP 2020172605 A JP2020172605 A JP 2020172605A JP 7551439 B2 JP7551439 B2 JP 7551439B2
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0023—Other grinding machines or devices grinding machines with a plurality of working posts
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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
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
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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
- 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
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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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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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
- B24B7/04—Machines or devices designed for grinding plane surfaces on work, including polishing plane glass surfaces; Accessories therefor involving a rotary work-table
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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
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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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/02041—Cleaning
- H01L21/02057—Cleaning during device manufacture
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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
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
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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
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67092—Apparatus for mechanical treatment
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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
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67098—Apparatus for thermal treatment
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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
- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67132—Apparatus for placing on an insulating substrate, e.g. tape
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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
- H01L21/683—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 supporting or gripping
- H01L21/6835—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 supporting or gripping using temporarily an auxiliary support
- H01L21/6836—Wafer tapes, e.g. grinding or dicing support tapes
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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
- H01L21/02—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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68327—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used during dicing or grinding
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/6834—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support used to protect an active side of a device or wafer
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68381—Details of chemical or physical process used for separating the auxiliary support from a device or wafer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/67—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere
- H01L2221/683—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping
- H01L2221/68304—Apparatus for handling semiconductor or electric solid state devices during manufacture or treatment thereof; Apparatus for handling wafers during manufacture or treatment of semiconductor or electric solid state devices or components; Apparatus not specifically provided for elsewhere for supporting or gripping using temporarily an auxiliary support
- H01L2221/68381—Details of chemical or physical process used for separating the auxiliary support from a device or wafer
- H01L2221/68386—Separation by peeling
Landscapes
- Engineering & Computer Science (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
- Container, Conveyance, Adherence, Positioning, Of Wafer (AREA)
Description
外周に面取り部が形成されたウェーハの加工方法であって、
ウェーハの表面に保護テープを貼着するとともに保護テープの直径をウェーハの直径と同径にするテープ貼着ステップと、
保護テープを介して保持テーブルでウェーハを保持して裏面を露出させる保持ステップと、
保持テーブルで保持されたウェーハの裏面を研削砥石で研削してウェーハの厚みを元の厚みの半分よりも薄くなるように薄化することでウェーハの直径が縮径され保護テープがウェーハからはみ出すはみ出し部が形成される研削ステップと、
研削ステップを実施した後、保護テープのはみ出し部を加熱して収縮させる収縮ステップと、を備えたウェーハの加工方法とするものである。
外周に面取り部が形成されるとともに同径の保護テープが表面に貼着されたウェーハを研削する研削装置であって、
保護テープを介してウェーハを保持する保持テーブルと、
保持テーブルで保持されたウェーハを研削する研削砥石を有した研削ユニットと、
研削ユニットでウェーハを研削しウェーハの厚みを半分より薄化することでウェーハが縮径されて形成された保護テープがウェーハからはみ出すはみ出し部を加熱して収縮させる加熱ユニットと、を備えた研削装置とするものである。
研削ユニットで研削されたウェーハを洗浄する洗浄ユニットを備え、
加熱ユニットは、洗浄ユニットで洗浄されたウェーハの保護テープのはみ出し部を加熱する、こととするものである。
この研削装置1は、被加工物であるウェーハWの裏面Wbを研削加工することで、ウェーハWを薄化する装置である。加工対象としてのウェーハWは、例えば、シリコン、サファイア、窒化ガリウムなどを母材とする円板状の半導体ウェーハや光デバイスウェーハである。
図2に示すように、ウェーハWの表面Waに保護テープTを貼着するとともに保護テープTの直径をウェーハの直径と同径にするステップである。
図4(B)に示すように、保護テープTを介して保持テーブル10でウェーハWを保持して裏面Wbを露出させるステップである。
図5(A)(B)に示すように、保持テーブル10で保持されたウェーハWの裏面Wbを研削砥石23aで研削してウェーハWの厚みを元の厚みの半分よりも薄くなるように薄化するステップである。なお、ウェーハWの元の厚みとは、研削する前の厚みである。
図6(A)(B)に示すように、保護テープTのはみ出し部Tmを加熱して収縮させるステップである。
はみ出し部Tmが解消されたウェーハWは、図7に示すように、裏表を反転させて保護テープTが上側に露出するようにして、ダイシングテープ85に貼着される。
即ち、図1乃至図6に示すように、
外周に面取り部Wmが形成されたウェーハWの加工方法であって、
ウェーハWの表面Waに保護テープTを貼着するとともに保護テープTの直径をウェーハWの直径と同径にするテープ貼着ステップと、
保護テープTを介して保持テーブル10でウェーハWを保持して裏面Wbを露出させる保持ステップと、
保持テーブル10で保持されたウェーハWの裏面Wbを研削砥石23aで研削してウェーハWの厚みを元の厚みの半分よりも薄くなるように薄化することでウェーハWの直径が縮径され保護テープTがウェーハWからはみ出すはみ出し部Tmが形成される研削ステップと、
研削ステップを実施した後、保護テープ10のはみ出し部Tmを加熱して収縮させる収縮ステップと、を備えたウェーハWの加工方法とするものである。
外周に面取り部Wmが形成されるとともに同径の保護テープTが表面に貼着されたウェーハWを研削する研削装置1であって、
保護テープTを介してウェーハWを保持する保持テーブル10と、
保持テーブル10で保持されたウェーハWを研削する研削砥石23aを有した研削ユニット20a,20bと、
研削ユニット20a,20bでウェーハWを研削しウェーハWの厚みを半分より薄化することでウェーハWが縮径されて形成された保護テープTがウェーハWからはみ出すはみ出し部Tmを加熱して収縮させる加熱ユニット80と、を備えた研削装置1とするものである。
研削ユニット20a,20bで研削されたウェーハWを洗浄する洗浄ユニット60を備え、
加熱ユニット80は、洗浄ユニット60で洗浄されたウェーハWの保護テープTのはみ出し部Tmを加熱する、こととするものである。
10 保持テーブル
20a 研削ユニット
20b 研削ユニット
23 研削ホイール
23a 研削砥石
60 洗浄ユニット
80 加熱ユニット
85 ダイシングテープ
90 ピールテープ
D デバイス
F フレーム
M1 はみ出し量
N 熱風
T 保護テープ
Tm はみ出し部
U ウェーハユニット
W ウェーハ
Wa 表面
Wb 裏面
Wm 面取り部
Claims (3)
- 外周に面取り部が形成されたウェーハの加工方法であって、
ウェーハの表面に保護テープを貼着するとともに該保護テープの直径をウェーハの直径と同径にするテープ貼着ステップと、
該保護テープを介して保持テーブルでウェーハを保持して裏面を露出させる保持ステップと、
該保持テーブルで保持されたウェーハの該裏面を研削砥石で研削して該ウェーハの厚みを元の厚みの半分よりも薄くなるように薄化することで該ウェーハの直径が縮径され該保護テープが該ウェーハからはみ出すはみ出し部が形成される研削ステップと、
該研削ステップを実施した後、該保護テープの該はみ出し部を加熱して収縮させ、該ウェーハからの該保護テープのはみ出しを解消させる収縮ステップと、
を備えたウェーハの加工方法。 - 外周に面取り部が形成されるとともに同径の保護テープが表面に貼着されたウェーハを研削する研削装置であって、
該保護テープを介してウェーハを保持する保持テーブルと、
該保持テーブルで保持されたウェーハを研削する研削砥石を有した研削ユニットと、
該研削ユニットで該ウェーハを研削し該ウェーハの厚みを半分より薄化することで該ウェーハが縮径されて形成された該保護テープが該ウェーハからはみ出すはみ出し部を加熱して収縮させ、該ウェーハからの該保護テープのはみ出しを解消させる加熱ユニットと、を備えた研削装置。 - 該研削ユニットで研削されたウェーハを洗浄する洗浄ユニットを備え、
該加熱ユニットは、該洗浄ユニットで洗浄されたウェーハの該保護テープのはみ出し部を加熱する、
ことを特徴とする請求項2に記載の研削装置。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020172605A JP7551439B2 (ja) | 2020-10-13 | 2020-10-13 | ウェーハの加工方法、及び、加工装置 |
KR1020210122847A KR20220048932A (ko) | 2020-10-13 | 2021-09-15 | 웨이퍼의 가공 방법, 및, 연삭 장치 |
US17/447,843 US11929256B2 (en) | 2020-10-13 | 2021-09-16 | Wafer processing method and grinding apparatus |
TW110137361A TW202215524A (zh) | 2020-10-13 | 2021-10-07 | 晶圓之加工方法以及研削裝置 |
CN202111176040.8A CN114420620A (zh) | 2020-10-13 | 2021-10-09 | 晶片的加工方法和磨削装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2020172605A JP7551439B2 (ja) | 2020-10-13 | 2020-10-13 | ウェーハの加工方法、及び、加工装置 |
Publications (2)
Publication Number | Publication Date |
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JP2022064089A JP2022064089A (ja) | 2022-04-25 |
JP7551439B2 true JP7551439B2 (ja) | 2024-09-17 |
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JP2020172605A Active JP7551439B2 (ja) | 2020-10-13 | 2020-10-13 | ウェーハの加工方法、及び、加工装置 |
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Country | Link |
---|---|
US (1) | US11929256B2 (ja) |
JP (1) | JP7551439B2 (ja) |
KR (1) | KR20220048932A (ja) |
CN (1) | CN114420620A (ja) |
TW (1) | TW202215524A (ja) |
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JP6775880B2 (ja) * | 2016-09-21 | 2020-10-28 | 株式会社ディスコ | ウェーハの加工方法 |
JP6814613B2 (ja) * | 2016-11-28 | 2021-01-20 | 株式会社ディスコ | ウェーハの加工方法 |
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JP6963483B2 (ja) | 2017-12-08 | 2021-11-10 | 株式会社ディスコ | 剥離用テープカッター |
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JP2000003892A (ja) | 1998-04-13 | 2000-01-07 | Mitsui Chemicals Inc | 半導体ウエハの製造方法 |
JP2005086074A (ja) | 2003-09-10 | 2005-03-31 | Disco Abrasive Syst Ltd | 半導体ウェーハの移し替え方法 |
JP2009275060A (ja) | 2008-05-12 | 2009-11-26 | Nitto Denko Corp | 粘着シート、その粘着シートを使用した被着体の加工方法、及び粘着シート剥離装置 |
JP2020092107A (ja) | 2018-12-03 | 2020-06-11 | 株式会社ディスコ | ウェーハの加工方法 |
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JP2022064089A (ja) | 2022-04-25 |
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