JP7519243B2 - 搬送装置及び搬送方法 - Google Patents
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- 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
- H01L21/67754—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 batch of workpieces
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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
- H01L21/68707—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 robot blade, or gripped by a gripper for conveyance
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/02—Control or detection
- B65G2203/0208—Control or detection relating to the transported articles
- B65G2203/0233—Position of the article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2203/00—Indexing code relating to control or detection of the articles or the load carriers during conveying
- B65G2203/04—Detection means
- B65G2203/042—Sensors
- B65G2203/044—Optical
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- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
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Description
先ず、真空処理装置の構成について説明する。図1は、真空処理装置1の構成の概略を模式的に示す平面図である。本実施形態においては、真空処理装置1が、プロセスモジュールとしてのCOR(Chemical Oxide Removal)モジュール、PHT(Post Heat Treatment)モジュールを備える場合を例に説明する。なお、本開示の真空処理装置1のモジュール構成はこれに限られず、任意に選択され得る。
先ず、複数(例えば1ロット25枚)のウェハWを収納したフープ31が、ロードポート32に搬入される。ロードポート32にフープ31が配置されると、フープ31に対してウェハ搬送機構40がアクセスし、フープ31から2枚のウェハWが取り出される。フープ31から搬出された2枚のウェハWは、オリエンタモジュール34により水平方向の向きが調節された後、ロードロックモジュール20aのストッカ(図示せず)に搬送される。
以上、本実施形態にかかるトランスファモジュール60は、ウェハ搬送機構70の搬送アーム71a、71bに搭載されたウェハWを検知するための上ウェハ検知センサ81、及び下ウェハ検知センサ82として、測距反射式センサを備えている。これにより、特許文献1にも開示される透過型センサをウェハ検知機構として用いる場合と比較して、該ウェハ検知機構の設置スペースを省略することができる。具体的には、透過型センサのように光軸の投光部と受光部とを対向して設ける必要がないため、ウェハ検知機構の設置にかかる空間的制約の困難性を低減することができる。
70 ウェハ搬送機構
81 上ウェハ検知センサ
81a 投光部
81b 受光部
82 下ウェハ検知センサ
82a 投光部
82b 受光部
121a 上部ピック
121b 下部ピック
122 切欠き
Wb 下ウェハ
Wt 上ウェハ
X 光軸
x1 拡散反射光
x2 拡散反射光
Y 光軸
y1 拡散反射光
y2 拡散反射光
Claims (9)
- 第1の基板及び第2の基板を平面視において重なるように保持して搬送する搬送装置であって、
前記第1の基板を水平方向に保持する第1の保持アームと、
前記第2の基板を水平方向に保持する第2の保持アームと、
前記第1の保持アームに保持される前記第1の基板の有無を検知する第1の検知センサと、
前記第2の保持アームに保持される前記第2の基板の有無を検知する第2の検知センサと、を有し、
少なくとも前記第1の検知センサは、前記第2の保持アームを基準面として光軸を照射して、該基準面からの拡散反射光と基板からの拡散反射光の受光位置の違いを検知することで前記第1の基板の有無を検知するセンサで構成され、
少なくとも前記第1の保持アームの先端部の内端には、前記第2の保持アームに照射される前記光軸を通過させるための切欠きが形成され、
前記第1の検知センサから照射される前記光軸の水平方向に対する傾斜角度は、前記基準面からの拡散反射光を受光部により受光可能であり、前記第1の基板からの正反射光は前記受光部により受光されない角度に設定される、搬送装置。 - 前記傾斜角度は20°以上70°以下である、請求項1に記載の搬送装置。
- 前記第2の検知センサは、搬送装置を構成する筐体の内壁面を基準面として光軸を照射して前記第2の基板の有無を検知する、請求項1又は2のいずれか1項に記載の搬送装置。
- 第1の基板及び第2の基板を平面視において重なるように保持して搬送する搬送装置であって、
前記第1の基板を水平方向に保持する第1の保持アームと、
前記第2の基板を水平方向に保持する第2の保持アームと、
前記第1の保持アームに保持される前記第1の基板の有無を検知する第1の検知センサと、
前記第2の保持アームに保持される前記第2の基板の有無を検知する第2の検知センサと、を有し、
少なくとも前記第1の検知センサは、前記第2の保持アームを基準面として光軸を照射して、該基準面からの拡散反射光と基板からの拡散反射光の受光位置の違いを検知することで前記第1の基板の有無を検知するセンサで構成され、
少なくとも前記第1の保持アームの先端部の内端には、前記第2の保持アームに照射される前記光軸を通過させるための切欠きが形成され、
前記第2の検知センサは、搬送装置を構成する筐体の内壁面を基準面として光軸を照射して前記第2の基板の有無を検知する、搬送装置。 - 前記第1の検知センサ又は前記第2の検知センサの少なくともいずれかは、測距反射式センサにより構成される、請求項1~4のいずれか一項に記載の搬送装置。
- 前記第2の検知センサは透過型センサにより構成される、請求項1又は2のいずれか1項に記載の搬送装置。
- 第1の基板及び第2の基板を平面視において重なるように保持して搬送する搬送装置における基板の搬送方法であって、
前記搬送装置は、
前記第1の基板を水平方向に保持する第1の保持アームと、
前記第1の保持アームの上方に配置され、前記第2の基板を水平方向に保持する第2の保持アームと、
前記第1の保持アームに保持される前記第1の基板の有無を検知する第1の検知センサと、
前記第2の保持アームに保持される前記第2の基板の有無を検知する第2の検知センサと、を有し、
少なくとも前記第1の検知センサは、前記第2の保持アームを基準面として光軸を照射して、該基準面からの拡散反射光と基板からの拡散反射光の受光位置の違いを検知することで前記第1の基板の有無を検知するセンサで構成され、
前記搬送方法は、
前記第1の保持アームに保持された前記第1の基板を、前記搬送装置に付設して設けられた処理装置との間で受け渡す工程と、
前記第1の検知センサにより、前記第1の保持アームによる前記第1の基板の保持状態を確認する工程と、
前記第2の保持アームに保持された前記第2の基板を、前記処理装置との間で受け渡す工程と、
前記第2の検知センサにより、前記第2の保持アームによる前記第2の基板の保持状態を確認する工程と、を含み、
前記処理装置に対する基板の搬入に際しては、前記第1の基板の搬入が前記第2の基板の搬入に先行して行われ、
前記処理装置からの基板の搬出に際しては、前記第2の基板の搬出が前記第1の基板の搬出に先行して行われる、搬送方法。 - 少なくとも前記第1の保持アームの先端部の内端には切欠きが形成され、
前記第1の検知センサによる前記第1の基板の検知に際しては、該切欠きを通過させるように、前記光軸を前記第2の保持アームに対して照射する、請求項7に記載の搬送方法。 - 前記第1の検知センサ又は前記第2の検知センサの少なくともいずれかを、測距反射式センサにより構成する、請求項7又は8のいずれか一項に記載の搬送方法。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2020151787A JP7519243B2 (ja) | 2020-09-10 | 2020-09-10 | 搬送装置及び搬送方法 |
TW110132231A TW202228236A (zh) | 2020-09-10 | 2021-08-31 | 搬送裝置及搬送方法 |
KR1020210116834A KR102602412B1 (ko) | 2020-09-10 | 2021-09-02 | 반송 장치 및 반송 방법 |
US17/446,739 US20220076977A1 (en) | 2020-09-10 | 2021-09-02 | Transfer apparatus and transfer method |
CN202111031909.XA CN114171446A (zh) | 2020-09-10 | 2021-09-03 | 输送装置和输送方法 |
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JP2020151787A JP7519243B2 (ja) | 2020-09-10 | 2020-09-10 | 搬送装置及び搬送方法 |
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JP2003068829A (ja) | 2001-08-30 | 2003-03-07 | Anelva Corp | 基板搬送システム及び基板処理装置 |
JP2008286791A (ja) | 2007-04-20 | 2008-11-27 | Japan Techno Mate Corp | 表面欠陥検査方法及び装置 |
JP2010103252A (ja) | 2008-10-22 | 2010-05-06 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP2010153808A (ja) | 2008-11-26 | 2010-07-08 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP2017208513A (ja) | 2016-05-20 | 2017-11-24 | 三益半導体工業株式会社 | 回転テーブル用ウェーハ保持機構及び方法並びにウェーハ回転保持装置 |
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JPH01140647A (ja) * | 1987-11-27 | 1989-06-01 | Hitachi Ltd | 面装着型半導体パッケージ |
JP3436767B2 (ja) | 1991-07-03 | 2003-08-18 | ホシザキ電機株式会社 | 冷蔵庫 |
JPH11214481A (ja) * | 1998-01-20 | 1999-08-06 | Kokusai Electric Co Ltd | 固体デバイス製造装置 |
JP6355066B2 (ja) * | 2013-08-29 | 2018-07-11 | 株式会社リコー | センサ装置及び画像形成装置 |
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JP2003068829A (ja) | 2001-08-30 | 2003-03-07 | Anelva Corp | 基板搬送システム及び基板処理装置 |
JP2008286791A (ja) | 2007-04-20 | 2008-11-27 | Japan Techno Mate Corp | 表面欠陥検査方法及び装置 |
JP2010103252A (ja) | 2008-10-22 | 2010-05-06 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP2010153808A (ja) | 2008-11-26 | 2010-07-08 | Hitachi Kokusai Electric Inc | 基板処理装置 |
JP2017208513A (ja) | 2016-05-20 | 2017-11-24 | 三益半導体工業株式会社 | 回転テーブル用ウェーハ保持機構及び方法並びにウェーハ回転保持装置 |
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KR102602412B1 (ko) | 2023-11-16 |
TW202228236A (zh) | 2022-07-16 |
JP2022045991A (ja) | 2022-03-23 |
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