JP2017059569A - 反転機および基板研磨装置 - Google Patents
反転機および基板研磨装置 Download PDFInfo
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- 239000000758 substrate Substances 0.000 title claims abstract description 239
- 238000005498 polishing Methods 0.000 title claims abstract description 37
- 238000004140 cleaning Methods 0.000 claims description 51
- 230000032258 transport Effects 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000008237 rinsing water Substances 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 14
- 238000001035 drying Methods 0.000 description 8
- 239000007788 liquid Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000002093 peripheral effect Effects 0.000 description 4
- 238000011109 contamination Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
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Abstract
【解決手段】基板(W)を上下反転させる反転機(100)であって、基板(W)を載置させるための第1アーム対(21a)と、前記第1アーム対(21a)と互いに対向した第2アーム対(21b)であって、当該第2アーム対(21b)が閉じると前記第1アーム対(21a)の上に載置された基板(W)を把持するように開閉自在に構成された第2アーム対(21b)と、前記第2アーム対(21b)を開閉する開閉機構(23)と、前記第1アーム対(21a)および前記第2アーム対(21b)を、これらの内側に設定され、前記第1アーム対(21a)および前記第2アーム対(21b)の延在方向に沿った所定の軸線(21)周りに回転させることにより前記基板(W)を上下反転させる回転機構(22)と、を備える反転機(100)が提供される。
【選択図】図3
Description
この構成によれば、上下反転前後で基板の位置が一致するため、反転機をさらに小型化できる。
この構成によれば、反転機の構造を簡略化できる。
この構成によれば、基板を反転させる際の基板の乾燥を防止できる。
この構成によれば、リンス液が反転機の周囲に飛散するのを防止できる。
この構成によれば、洗浄槽内に設けられた、下側に位置するアーム対に基板を受け渡すことができる。
この構成によれば、基板を安定して把持できる。
この構成によれば、基板を正確に所定位置に配置できる。
この構成によれば、可動ホルダを移動させる1台のアクチュエータで、前記第1アーム対および前記第2アーム対のうち、下側に位置するアーム対は常に閉じた状態にし、上側に位置するアーム対は開閉可能にすることができ、反転機の開閉機構を小型化できる。
小型な反転機を用いることで、基板研磨装置の大型化を抑制できる。
この構成によれば、基板の上面および下面の両方を洗浄できる。
この構成によれば、基板処理のスループットを向上できる。
図12は、反転機100が自動運転を行う際の手順を示すフローチャートである。初期状態として、上側に位置するアーム対が開いているものとする。まず、基板Wを基板搬送ロボットから受け取る(ステップS91)。続いて、上側に位置するアーム対を閉じる(ステップS92)。そして、アーム対21a,21bを回転させる(ステップS93)。これにより、基板Wの上下が反転する。
図13は、基板研磨装置30の構成を模式的に示す図である。基板研磨装置30は、研磨ユニット31と、1または複数の洗浄ユニット32a〜32dと、1または複数の反転機100a,100bと、基板搬送ロボット33a,33bと、1または複数の乾燥ユニット34a,34bとを有する。
11 天井カバー
11a 天井カバー検出用センサ
12 背面カバー
12a 背面カバー検出用センサ
13,14 開口
2 基板反転機構
21 軸線
21a,21b アーム対
21a1,21a2,21b1,21b2 アーム部材
21a3,21b3 コマ
22 回転機構
221 固定板
221a 開口
222 カバー
222a 円盤部
223 ロータリーアクチュエータ
223a スピードコントローラ
224 回転軸
225 アーム対状態検出用センサ
226 カバー
23 開閉機構
231a〜231d アーム取付部材
232a〜232d 蛇腹
233a1,233a2,233b1,233b2 バネ
234a1,234a2,234b1,234b2 ガイドフォロア
235 固定ホルダ
236 可動ホルダ
237 ガイドスライダ
238a,238b アーム対開閉検出用センサ
3 シャッター
3a シャッター開閉用エアシリンダ
3b シャッター開閉検出用センサ
4 基板検出センサ
5,6 リンスノズル
30 基板研磨装置
31 研磨ユニット
32a〜32d 洗浄ユニット
33a,33b 基板搬送ロボット
34a,34b 乾燥ユニット
100,100a,100b 反転機
Claims (15)
- 基板を上下反転させる反転機であって、
基板を載置させるための第1アーム対と、
前記第1アーム対と互いに対向し、前記第1アーム対の上に載置された基板を把持するように開閉自在に構成された第2アーム対と、
前記第2アーム対を開閉する開閉機構と、
前記第1アーム対および前記第2アーム対を、これらの内側に設定され、前記第1アーム対および前記第2アーム対の延在方向に沿った所定の軸線周りに回転させることにより前記基板を上下反転させる回転機構と、を備える反転機。 - 前記所定の軸線は、前記第1アーム対および前記第2アーム対の対称軸である、請求項1に記載の反転機。
- 基板を上下反転させる反転機であって、
基板を載置させるための第1アーム対と、
前記第1アーム対と互いに対向し、前記第1アーム対の上に載置された基板を把持するように開閉自在に構成された第2アーム対と、
上下反転前の前記基板の位置と、上下反転後の前記基板の位置とがほぼ一致するよう、前記第1アーム対および前記第2アーム対を回転させることにより前記基板を上下反転させる回転機構と、を備える反転機。 - 前記回転機構が前記第1アーム対および前記第2アーム対を回転させることで、前記第1アーム対のアーム部材と前記第2アーム対のアーム部材との位置関係がそれぞれ入れ替わるように構成された、請求項1乃至3のいずれか1項に記載の反転機。
- 前記把持された基板の上面にリンス水を供給する第1リンスノズルと、
前記把持された基板の下面にリンス水を供給する第2リンスノズルと、を備える請求項1乃至4のいずれか1項に記載の反転機。 - 前記第1アーム対、前記第2アーム対、前記第1リンスノズルおよび前記第2リンスノズルを収納する洗浄槽を備える、請求項5に記載の反転機。
- 前記洗浄槽には、前記第1アーム対および前記第2アーム対のうちの下側に位置するアーム対に対応する位置に、前記基板を出し入れすることが可能な開口が設けられ、
当該反転機は、前記開口に設けられたシャッターを備える、請求項6に記載の反転機。 - 前記第1アーム対および前記第2アーム対を構成するアーム部材は、前記基板を把持するための少なくとも3つのコマを有する、請求項1乃至7のいずれか1項に記載の反転機。
- 前記基板にはノッチが設けられ、
当該反転機は、前記ノッチを所定位置に補正するノッチアライナを備える、請求項1乃至8のいずれか1項に記載の反転機。 - 前記第1アーム対および前記第2アーム対を開閉する開閉機構を備える、請求項3に記載の反転機。
- 前記開閉機構は、
前記第1アーム対を開く方向に付勢する第1弾性部材および第2弾性部材と、
前記第1弾性部材に取り付けられた第1ガイドフォロアと、
前記第2弾性部材に取り付けられた第2ガイドフォロアと、
前記第2アーム対を開く方向に付勢する第3弾性部材および第4弾性部材と、
前記第3弾性部材に取り付けられた第3ガイドフォロアと、
前記第4弾性部材に取り付けられた第4ガイドフォロアと、
前記第1アーム対および前記第2アーム対のうち、下側に位置するアーム対が開かないよう、前記第1ガイドフォロア、前記第2ガイドフォロア、前記第3ガイドフォロアおよび前記第4ガイドフォロアのうち下側に位置するガイドフォロアを固定する固定ホルダと、
前記第1アーム対および前記第2アーム対のうち、上側に位置するアーム対が開閉するよう、前記第1ガイドフォロア、前記第2ガイドフォロア、前記第3ガイドフォロアおよび前記第4ガイドフォロアのうち上側に位置するガイドフォロアを、該アーム対が開く位置と、該アーム対が閉じる位置との間で移動させる可動ホルダと、
を有する、請求項10に記載の反転機。 - 前記第1アーム対および前記第2アーム対が閉じた状態において、前記固定ホルダと前記可動ホルダによって略円形の開口が形成され、この開口に沿って前記第1乃至第4ガイドフォロアが回転することで、前記第1アーム対および前記第2アーム対が閉じた状態のまま回転する、請求項11に記載の反転機。
- 前記基板を研磨する研磨ユニットと、
請求項1乃至12のいずれか1項に記載の反転機と、
基板を洗浄する洗浄ユニットと、
前記研磨ユニット、前記反転機および前記洗浄ユニットにアクセス可能であり、各ユニット間または各ユニットと前記反転機との間で前記基板を搬送する搬送装置と、を備える基板研磨装置。 - 前記搬送装置は、前記基板の第1面を洗浄した洗浄ユニットから前記反転機に前記基板を搬送し、前記反転機によって前記基板が上下反転された後、前記反転機から前記基板の第2面を洗浄する洗浄ユニットに前記基板を搬送する、請求項13に記載の基板研磨装置。
- 当該基板研磨装置は、複数の洗浄ユニットを有し、
前記基板の第1面を洗浄する洗浄ユニットとは異なる洗浄ユニットが、前記基板の第2面を洗浄する、請求項13または14に記載の基板研磨装置。
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