JP7438015B2 - 基板処理装置 - Google Patents
基板処理装置 Download PDFInfo
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- JP7438015B2 JP7438015B2 JP2020081463A JP2020081463A JP7438015B2 JP 7438015 B2 JP7438015 B2 JP 7438015B2 JP 2020081463 A JP2020081463 A JP 2020081463A JP 2020081463 A JP2020081463 A JP 2020081463A JP 7438015 B2 JP7438015 B2 JP 7438015B2
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- 238000012545 processing Methods 0.000 title claims description 197
- 239000000758 substrate Substances 0.000 title claims description 147
- 239000007788 liquid Substances 0.000 claims description 165
- 230000007246 mechanism Effects 0.000 claims description 103
- 230000002093 peripheral effect Effects 0.000 claims description 64
- 238000000034 method Methods 0.000 claims description 29
- 238000007599 discharging Methods 0.000 claims description 11
- 230000001965 increasing effect Effects 0.000 claims description 9
- 230000005660 hydrophilic surface Effects 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 136
- 239000000126 substance Substances 0.000 description 30
- 238000012546 transfer Methods 0.000 description 16
- 238000001035 drying Methods 0.000 description 10
- 238000012986 modification Methods 0.000 description 10
- 230000004048 modification Effects 0.000 description 10
- 230000003028 elevating effect Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 238000004891 communication Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 3
- 230000014509 gene expression Effects 0.000 description 3
- 239000008367 deionised water Substances 0.000 description 2
- 229910021641 deionized water Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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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
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- 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
- H01L21/68721—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 edge clamping, e.g. clamping ring
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- H01L21/67011—Apparatus for manufacture or treatment
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
- H01L21/6708—Apparatus for fluid treatment for etching for wet etching using mainly spraying means, e.g. nozzles
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- 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
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B3/00—Drying solid materials or objects by processes involving the application of heat
- F26B3/18—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact
- F26B3/22—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration
- F26B3/24—Drying solid materials or objects by processes involving the application of heat by conduction, i.e. the heat is conveyed from the heat source, e.g. gas flame, to the materials or objects to be dried by direct contact the heat source and the materials or objects to be dried being in relative motion, e.g. of vibration the movement being rotation
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- 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
- H01L21/67017—Apparatus for fluid treatment
- H01L21/67028—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like
- H01L21/67034—Apparatus for fluid treatment for cleaning followed by drying, rinsing, stripping, blasting or the like for drying
-
- 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
- H01L21/67063—Apparatus for fluid treatment for etching
- H01L21/67075—Apparatus for fluid treatment for etching for wet etching
-
- 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
-
- 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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- 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
- H01L21/68785—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 the mechanical construction of the susceptor, stage or support
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning Or Drying Semiconductors (AREA)
Description
図1は、実施形態に係る基板処理システムの概略構成を示す図である。図1に示すように、基板処理システム1は、搬入出ステーション2と、処理ステーション3とを備える。搬入出ステーション2と処理ステーション3とは隣接して設けられる。
次に、処理ユニット16の概略構成について図2を参照して説明する。図2は、実施形態に係る処理ユニット16の概略構成を示す図である。
次に、上記した処理ユニット16が備える基板保持機構30の構成について図3および図4を参照してより具体的に説明する。図3は、実施形態に係る基板保持機構30の具体的な構成を示す断面図である。また、図4は、実施形態に係る基板保持機構30においてウエハWを上方位置に配置させた状態を示す図である。
次に、上述した溝部100および液抜き穴101の具体的な構成例について図5および図6を参照して説明する。図5は、実施形態に係るベースプレート302の平面図である。また、図6は、実施形態に係る液抜き穴101の構成を示す断面図である。
次に、回収カップ50の具体的な構成例について図7を参照して説明する。図7は、実施形態に係る回収カップ50の構成を示す断面図である。
次に、処理ユニット16の具体的な動作例について図8を参照して説明する。図8は、実施形態に係る処理ユニット16が実行する一連の基板処理の手順を示すフローチャートである。基板処理システム1が備える各装置は、制御部18の制御に従って図8に示す各処理手順を実行する。
図10は、第1変形例に係る保持部の構成を示す断面図である。図10に示すように、第1変形例に係る保持部31Aは、第1ガイド部303を昇降させる昇降駆動部331を備える。昇降駆動部331は、たとえば、第1ガイド部303をベースプレート302に固定する支柱332に接続させる。
4 :制御装置
16 :処理ユニット
18 :制御部
19 :記憶部
20 :チャンバ
30 :基板保持機構
31 :保持部
32 :支柱部
33 :回転駆動部
34 :裏面供給部
35 :基板昇降機構
40 :液供給部
50 :回収カップ
100 :溝部
100a :第1周壁
100b :第2周壁
101 :液抜き穴
301 :把持機構
302 :ベースプレート
303 :第1ガイド部
304 :第2ガイド部
351 :リフトピン
352 :リフトピンプレート
R1 :第1高回転数
R2 :第1低回転数
R3 :第2低回転数
R4 :第2高回転数
W :ウエハ
Claims (7)
- 基板の周縁部を把持する把持機構と、
前記把持機構に把持された前記基板の下方に位置し、前記把持機構を支持するベースプレートと
を備え、
前記ベースプレートは、
前記基板から前記把持機構を伝って前記ベースプレートの上面に流れ込んだ処理液を排出する複数の液抜き穴と、
前記ベースプレートの上面に設けられ、前記基板の周方向に沿って延在する溝部と
を備え、
複数の前記液抜き穴は、前記溝部に対して前記周方向に沿って設けられ、
前記溝部のうち前記把持機構の周辺領域である第1領域に位置する前記液抜き穴同士の間隔は、前記溝部のうち前記第1領域以外の第2領域に位置する前記液抜き穴同士の間隔よりも狭い、基板処理装置。 - 基板の周縁部を把持する把持機構と、
前記把持機構に把持された前記基板の下方に位置し、前記把持機構を支持するベースプレートと
を備え、
前記ベースプレートは、
前記基板から前記把持機構を伝って前記ベースプレートの上面に流れ込んだ処理液を排出する複数の液抜き穴と、
前記ベースプレートの上面に設けられ、前記基板の周方向に沿って延在する溝部と
を備え、
複数の前記液抜き穴は、
前記溝部のうち前記把持機構の周辺領域である第1領域に位置する第1液抜き穴と、
前記溝部のうち前記第1領域以外の第2領域に位置する第2液抜き穴と
を含み、
前記第1液抜き穴の開口面積は、前記第2液抜き穴の開口面積よりも大きい、基板処理装置。
- 基板の周縁部を把持する把持機構と、
前記把持機構に把持された前記基板の下方に位置し、前記把持機構を支持するベースプレートと
を備え、
前記ベースプレートは、
前記基板から前記把持機構を伝って前記ベースプレートの上面に流れ込んだ処理液を排出する液抜き穴と、
前記ベースプレートの上面に設けられ、前記基板の周方向に沿って延在する溝部と
を備え、
前記液抜き穴は、前記溝部に設けられ、
前記溝部は、
前記ベースプレートの内周側に位置する第1周壁と、
前記ベースプレートの外周側に位置する第2周壁と
を備え、
前記第1周壁の高さは、前記第2周壁の高さよりも高い、基板処理装置。 - 基板の周縁部を把持する把持機構と、
前記把持機構に把持された前記基板の下方に位置し、前記把持機構を支持するベースプレートと
を備え、
前記ベースプレートは、
前記基板から前記把持機構を伝って前記ベースプレートの上面に流れ込んだ処理液を排出する液抜き穴を備え、
前記液抜き穴は、
前記ベースプレートの上面に開口する流入口と、
前記ベースプレートの下面に開口する流出口と
を備え、
前記流出口は、前記流入口よりも前記ベースプレートの外周側に位置する、基板処理装置。 - 基板の周縁部を把持する把持機構と、
前記把持機構に把持された前記基板の下方に位置し、前記把持機構を支持するベースプレートと、
前記把持機構によって把持された前記基板の周縁部に近接して配置されたガイド部材と、
前記ガイド部材を昇降させる昇降駆動部と
を備え、
前記ベースプレートは、
前記基板から前記把持機構を伝って前記ベースプレートの上面に流れ込んだ処理液を排出する液抜き穴を備え、
前記ガイド部材は、親水性の表面を有し、前記処理液を介して前記基板と繋がることで、前記基板から前記処理液を流出させる、基板処理装置。 - 前記ベースプレートは、
前記液抜き穴よりも前記ベースプレートの内側に設けられ、前記ベースプレートを貫通する貫通孔と、
前記ベースプレートの上面に設けられ、前記貫通孔を取り囲む周壁部と
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。 - 前記把持機構を用いて把持した前記基板に対して処理液を供給する液供給部と、
前記ベースプレートを回転させる回転駆動部と、
前記液供給部および前記回転駆動部を制御する制御部と
を備え、
前記制御部は、
前記回転駆動部を制御して前記基板を第1回転数にて回転させつつ前記液供給部を制御して前記基板に前記処理液を供給する液処理と、前記液処理後、前記回転駆動部を制御して前記基板の回転数を前記第1回転数よりも多い第2回転数に増加させることによって前記基板上の前記処理液を振り切る乾燥処理とを実行する場合において、前記基板の回転数を前記第2回転数に増加させる前に、前記基板の回転数を前記第1回転数よりも多く前記第2回転数よりも少ない第3回転数に増加させる、請求項1~6のいずれか一つに記載の基板処理装置。
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