JPWO2020137652A1 - 基板液処理装置及び基板液処理方法 - Google Patents
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Abstract
Description
上述のように各めっき処理部5では、温度調整されためっき液L1がめっき液供給部53から基板Wに供給される。そのような温度調整のために、めっき液L1は、めっき液ノズル531からの吐出の前に、温調部によって温度が調整される。上述のように通常は、新たなめっき液L1を温調部に供給することで、温度調整済みのめっき液L1を温調部から押し出してめっき液ノズル531から吐出する。この場合、温調部に新たに供給されためっき液L1は、次のめっき処理まで温調部に留まって加熱されることになる。したがって、進行中のめっき処理が完了して次のめっき処理が開始されるまでの間、温調部に留まっているめっき液L1は継続的に加熱されて高温状態に置かれることになる。
以下では、まずめっき処理部5によって実施されるめっき処理方法の全体の流れについて説明し、その後、めっき液の吐出フローについて説明する。以下に説明するめっき処理部5の動作は制御部3によって制御されている。下記の処理が行われている間、ファンフィルターユニット59からは清浄な空気がチャンバ51内に供給され、チャンバ51内の空気は排気管81に向かって流れる。
複数の基板Wがそれぞれ複数の基板保持部52によって保持され、当該複数の基板Wのうちの1又は2以上の基板W毎に、温調部12へのめっき液L1の供給と、第1流路C1への押出流体L5の送り出しとが繰り返されてもよい。この場合にも、めっき液L1は第1流路C1を介してめっき液送出部11から温調部12に供給されるが、温調部12に一度に充填されためっき液L1が、繰り返し単位の1又は2以上の基板Wのめっき処理に使われる。また押出流体L5は押出流体送出部16から第1流路C1に送り出されるが、繰り返し単位の基板Wが2以上の場合には、押出流体L5は間欠的に第1流路C1に送り出される。
図3に示す例では、温調部12へのめっき液L1の供給を調整するデバイス(特に第1めっき液開閉弁24)と、温調部12への押出流体L5の供給を調整するデバイス(特に押出液体開閉弁37及び/又は押出ガス開閉弁40)が別体として設けられている。制御部3は、温調部12よりも上流側に設けられるこれらの調整デバイスの各々を制御することで、めっき液L1の供給及び押出流体L5の供給を適宜切り替えている。
上述の実施の形態及び変形例では、主として押出流体L5が押出液体L51を含む場合について説明したが、押出流体L5として押出ガスL52のみが用いられてもよい。この場合、上述の押出液体L51と同様にして、押出ガスL52によりめっき液L1を押し出して、めっき液ノズル531から基板W上に所望量のめっき液L1を吐出させることが可能である。押出ガスL52は、押出液体L51に比べ、めっき液L1に接触してもめっき液L1に及ぼしうる影響が比較的小さい。一方、押出液体L51は、押出ガスL52に比べ、めっき液L1の洗浄性能に優れている。したがって、めっき液L1の性質及びめっき液供給部53の装置特性に応じて、押出液体L51及び押出ガスL52を使い分けることが好ましい。特に、押出液体L51及び押出ガスL52を組み合わせて押出流体L5として使用することで、押出液体L51及び押出ガスL52のそれぞれによって奏される有益な効果を享受することが可能である。
本開示は上記実施の形態及び変形例そのままに限定されるものではなく、実施段階ではその要旨を逸脱しない範囲で構成要素を変形して具体化できる。また、上記実施の形態及び変形例に開示されている複数の構成要素の適宜な組み合わせにより、種々の装置及び方法を形成できる。実施の形態及び変形例に示される全構成要素から幾つかの構成要素を削除してもよい。更に、異なる実施の形態及び変形例にわたる構成要素を適宜組み合わせてもよい。
11 めっき液送出部
12 温調部
16 押出流体送出部
52 基板保持部
531 めっき液ノズル
C1 第1流路
C2 第2流路
L1 めっき液
L5 押出流体
W 基板
Claims (10)
- 基板にめっき液を供給する基板液処理装置であって、
前記基板を保持する基板保持部と、
前記めっき液を第1流路に送り出すめっき液送出部と、
前記第1流路を介して前記めっき液送出部に接続され、前記第1流路を介して供給される流体の温度を調整する温調部と、
前記めっき液とは異なる押出流体を前記第1流路に送り出す押出流体送出部と、
前記温調部に接続され、前記温調部から供給される流体を吐出する吐出部と、を備える基板液処理装置。 - 前記めっき液送出部から前記第1流路に前記めっき液を送り出すタイミングと、前記押出流体送出部から前記第1流路に前記押出流体を送り出すタイミングとがお互いに異なるように、前記めっき液送出部及び前記押出流体送出部を制御する制御部を備える請求項1に記載の基板液処理装置。
- 前記吐出部は、前記押出流体送出部から前記第1流路への前記押出流体の送り出しに応じて、前記温調部から送られてくる前記めっき液を吐出する請求項1又は2に記載の基板液処理装置。
- 前記吐出部は、流体を噴出可能な開口部を有し、
前記吐出部は、前記開口部が前記基板保持部に保持されている前記基板に対向する吐出位置と、前記開口部が前記基板保持部に保持されている前記基板に対向しない退避位置とに配置されるよう、移動可能に設けられており、
前記吐出部は、前記退避位置において前記押出流体を吐出する請求項1〜3のいずれか一項に記載の基板液処理装置。 - 複数の前記基板保持部が設けられ、複数の基板がそれぞれ前記複数の基板保持部によって保持され、
前記複数の基板のうちの1又は2以上の基板毎に、前記第1流路を介した前記めっき液送出部から前記温調部への前記めっき液の供給と、前記押出流体送出部から前記第1流路への前記押出流体の送り出しと、を繰り返す請求項1〜4のいずれか一項に記載の基板液処理装置。 - 前記押出流体は、押出液体を含む請求項1〜5のいずれか一項に記載の基板液処理装置。
- 前記押出流体は、押出ガスを含み、
前記押出流体送出部は、前記押出液体を前記第1流路に送り出す押出液体供給部と、前記押出ガスを前記第1流路に送り出す押出ガス供給部と、を有する請求項6に記載の基板液処理装置。 - 前記温調部は、
前記第1流路を介して前記めっき液が供給された後に、前記第1流路を介して前記押出ガスが供給され、
前記第1流路を介して前記押出ガスが供給された後に、前記第1流路を介して前記押出液体が供給される請求項7に記載の基板液処理装置。 - 前記温調部を前記吐出部に接続する第2流路と、
前記第2流路に接続され、前記第2流路内の流体を排出可能なドレーン流路と、を備える請求項1〜8のいずれか一項に記載の基板液処理装置。 - 基板にめっき液を供給する基板液処理方法であって、
前記めっき液を、めっき液送出部から第1流路を介して温調部に送り出す工程と、
前記温調部が前記第1流路を介して供給される前記めっき液の温度を調整する工程と、 前記めっき液とは異なる押出流体を、押出流体送出部から前記第1流路を介して前記温調部に送り出すことによって、前記温調部から吐出部に前記めっき液を送り、前記吐出部から前記基板に向けて前記めっき液を吐出する工程と、を含む基板液処理方法。
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- 2019-12-16 WO PCT/JP2019/049150 patent/WO2020137652A1/ja active Application Filing
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CN113227453B (zh) | 2024-04-16 |
CN113227453A (zh) | 2021-08-06 |
US20220074052A1 (en) | 2022-03-10 |
JP7114744B2 (ja) | 2022-08-08 |
TWI831895B (zh) | 2024-02-11 |
KR20210107757A (ko) | 2021-09-01 |
WO2020137652A1 (ja) | 2020-07-02 |
TW202036758A (zh) | 2020-10-01 |
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