JP7422844B2 - 基板処理装置 - Google Patents
基板処理装置 Download PDFInfo
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- JP7422844B2 JP7422844B2 JP2022179549A JP2022179549A JP7422844B2 JP 7422844 B2 JP7422844 B2 JP 7422844B2 JP 2022179549 A JP2022179549 A JP 2022179549A JP 2022179549 A JP2022179549 A JP 2022179549A JP 7422844 B2 JP7422844 B2 JP 7422844B2
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- 238000005498 polishing Methods 0.000 claims description 48
- 230000007246 mechanism Effects 0.000 claims description 32
- 239000012530 fluid Substances 0.000 claims description 28
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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
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H01L21/67046—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly scrubbing means, e.g. brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/10—Cleaning by methods involving the use of tools characterised by the type of cleaning tool
- B08B1/14—Wipes; Absorbent members, e.g. swabs or sponges
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/30—Cleaning by methods involving the use of tools by movement of cleaning members over a surface
- B08B1/32—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members
- B08B1/36—Cleaning by methods involving the use of tools by movement of cleaning members over a surface using rotary cleaning members rotating about an axis orthogonal to the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/40—Cleaning tools with integrated means for dispensing fluids, e.g. water, steam or detergents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/02—Cleaning by the force of jets or sprays
-
- 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
- B24B37/07—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool
- B24B37/10—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping
- B24B37/105—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping the workpieces or work carriers being actively moved by a drive, e.g. in a combined rotary and translatory movement
- B24B37/107—Lapping machines or devices; Accessories designed for working plane surfaces characterised by the movement of the work or lapping tool for single side lapping the workpieces or work carriers being actively moved by a drive, e.g. in a combined rotary and translatory movement in a rotary movement only, about an axis being stationary during lapping
-
- 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
- B24B37/27—Work carriers
- B24B37/30—Work carriers for single side lapping of plane surfaces
-
- 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
- H01L21/02082—Cleaning product to be cleaned
- H01L21/0209—Cleaning of wafer backside
-
- 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
-
- 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
-
- 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
- H01L21/6704—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing
- H01L21/67051—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for wet cleaning or washing using mainly spraying means, e.g. nozzles
-
- 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
- H01L21/677—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 conveying, e.g. between different workstations
- H01L21/67739—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 conveying, e.g. between different workstations into and out of processing chamber
- H01L21/67748—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 conveying, e.g. between different workstations into and out of processing chamber horizontal transfer of a single workpiece
-
- 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
- H01L21/6838—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 with gripping and holding devices using a vacuum; Bernoulli devices
-
- 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
- H01L21/687—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 mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68728—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a plurality of separate clamping members, e.g. clamping fingers
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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
- H01L21/687—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 mechanical means, e.g. chucks, clamps or pinches
- H01L21/68714—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support
- H01L21/68742—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 mechanical means, e.g. chucks, clamps or pinches the wafers being placed on a susceptor, stage or support characterised by a lifting arrangement, e.g. lift pins
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- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Mechanical Engineering (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Description
まず、第1の実施形態に係る基板処理装置の構成について図1および図2を参照して説明する。図1は、第1の実施形態に係る基板処理装置の構成を示す平面図である。また、図2は、第1の実施形態に係る基板処理装置の構成を示す縦断面図である。以下では、位置関係を明確にするために、互いに直交するX軸、Y軸およびZ軸を規定し、Z軸正方向を鉛直上向き方向とする。
上述した第1の実施形態では、上部カップ16の高さを一定に保った状態で下面洗浄処理(ステップS102)と両面洗浄処理(ステップS103)とを行うこととしたが、下面洗浄処理と両面洗浄処理とで上部カップ16の高さを変えてもよい。かかる場合について図22および図23を参照して説明する。図22は、下面洗浄処理における上部カップ16の高さ位置を示す図であり、図23は、両面洗浄処理における上部カップ16の高さ位置を示す図である。
上述した各実施形態では、基板処理装置1,1Aが、洗浄ツールとして、第1洗浄部17および第2洗浄部18を備える場合の例について説明したが、他の洗浄ツールを備えていてもよい。かかる点について図24を参照して説明する。図24は、他の洗浄ツールの例を示す図である。
上述した実施形態では、両面洗浄処理において、第1洗浄体171と第2洗浄体181とを同期させてウェハWの両面を同時に洗浄することとしたが、第2洗浄体181と同期させる洗浄ツールは、第1洗浄体171に限定されない。かかる点について図25を参照して説明する。図25は、第4の実施形態に係る両面洗浄処理の動作例を示す図である。
第5の実施形態では、ウェハWの上面を洗浄する洗浄ツールと、ウェハWの下面を洗浄する洗浄ツールとを用いて両洗浄ツールを洗浄する処理について図26を参照して説明する。図26は、ツール洗浄処理の動作例を示す図である。
上述した各実施形態では、両面洗浄処理において、第1洗浄部17と第2洗浄部18とを一部同期させる場合の例について説明したが、第1洗浄部17と第2洗浄部18とを完全に同期させることも可能である。かかる点について図27~図30を参照して説明する。図27は、第6の実施形態に係る基板処理装置の構成を示す平面図である。図28は、第6の実施形態に係る基板処理装置の構成を示す縦断面図である。また、図29および図30は、第6の実施形態に係る両面洗浄処理の動作例を示す図である。
第7の実施形態では、第1洗浄体171および第2洗浄体181の他の構成例について説明する。一例として、第2洗浄体181の他の構成例を図31~図33に示す。図31は、第7の実施形態に係る第2洗浄体の構成を示す斜視図である。また、図32は、第7の実施形態に係る第2洗浄体の構成を示す縦断面図である。また、図33は、第7の実施形態に係る第2洗浄体をウェハWに押し当てた状態を示す図である。
第8の実施形態では、洗浄体と研磨部とを個別に備えた基板処理装置の構成について図34~図36を参照して説明する。図34は、第8の実施形態に係る基板処理装置の構成を示す側面図である。また、図35および図36は、ウェハWと洗浄体および研磨体と回転板とを示す平面図である。
次に、第9の実施形態について図37~図39を参照して説明する。まず、第9の実施形態に係る基板処理装置の構成例について図37を参照して説明する。図37は、第9の実施形態に係る基板処理装置の構成を示す平面図である。
上述した実施形態では、両面洗浄処理の開始後、第1洗浄体171と第2洗浄体181とを同期させるまでの間、すなわち、第1洗浄体171がウェハWの中央部を洗浄している間、第2洗浄体181を停止させておくこととした。しかし、これに限らず、第1洗浄体171がウェハWの中央部を洗浄している間、第2洗浄体181を用いてウェハWの下面を洗浄してもよい。
1 基板処理装置
10 吸着パッド
11 スピンチャック
13 筐体
14 支持板
15 枠体
16 上部カップ
17 第1洗浄部
18 第2洗浄部
171 第1洗浄体
181 第2洗浄体
200 制御部
Claims (8)
- 基板を保持する保持部と、
鉛直軸まわりに回転可能であり、前記保持部に保持された前記基板の上面に接触して前記上面を洗浄する平面視円形の第1洗浄体と、
鉛直軸まわりに回転可能であり、前記保持部に保持された前記基板の下面に接触して前記下面を洗浄する平面視円形の第2洗浄体と、
前記保持部に保持された前記基板の端部に接触して前記端部を洗浄する第3洗浄体と
を備え、
前記第2洗浄体は、研磨面を有する研磨部材と、伸縮自在な材料からなる洗浄部材と、前記研磨部材及び前記洗浄部材を支持する支持部材とを有し、
前記保持部は、前記基板の前記下面における中央部を含む第1の領域を吸着保持する回転可能な第1保持部を備える、基板処理装置。 - 前記研磨部材は、平面視円環状であり、
前記洗浄部材は、平面視において前記研磨部材の内側に配置される、請求項1に記載の基板処理装置。 - 前記洗浄部材の洗浄面は、前記研磨面よりも突出している、請求項1または2に記載の基板処理装置。
- 前記第2洗浄体を移動させる移動機構と、
前記移動機構を制御する制御部と
を備え、
前記制御部は、
前記移動機構を制御して、前記研磨部材および前記洗浄部材を前記下面に接触させて前記下面の研磨処理を行った後、前記第2洗浄体を下降させて前記研磨部材および前記洗浄部材のうち前記洗浄部材のみを前記下面に接触させて前記下面を洗浄する、請求項3に記載の基板処理装置。 - 前記保持部は、前記基板の前記下面における前記第1の領域以外の領域である第2の領域を吸着保持する第2保持部を備える、請求項1~4のいずれか一つに記載の基板処理装置。
- 前記下面に流体を吐出することによって前記下面を洗浄する第4洗浄部と、
前記上面に流体を吐出することによって前記上面を洗浄する第5洗浄部と
を備える、請求項1~5のいずれか一つに記載の基板処理装置。 - 前記第4洗浄部および前記第5洗浄部は、ミスト状の洗浄液を吐出する2流体ノズルである、請求項6に記載の基板処理装置。
- 前記第1洗浄体を水平移動させる第1移動機構と、
前記第2洗浄体を水平移動させる第2移動機構と、
前記第1移動機構および前記第2移動機構を制御して、前記上面に接触させた前記第1洗浄体と前記下面に接触させた前記第2洗浄体とを同期して水平移動させる両面洗浄処理を実行する制御部と
を備え、
前記制御部は、前記両面洗浄処理において、前記第2洗浄体に加えて前記第4洗浄部を用いて前記下面を洗浄し、前記第1洗浄体に加えて前記第5洗浄部を用いて前記上面を洗浄する、請求項6または7に記載の基板処理装置。
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