JP2006237159A - 半導体装置の製造方法及び半導体装置 - Google Patents
半導体装置の製造方法及び半導体装置 Download PDFInfo
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Abstract
【解決手段】本発明の一の態様によれば、ウェハW上に通電層4を形成する工程と、所定の位置に開口5aを有するレジストマスク5を通電層4上に形成する工程と、通電層4に電流を供給して、めっき法により開口5a内にめっき膜6を形成する工程と、開口5aを形成するレジストマスク5の内側面5bを後退させて、内側面5bとめっき膜6との間隔を広げる工程と、通電層4に電流を供給して、めっき法によりめっき膜6を覆うように内側面5bの後退した開口5a内にめっき膜7を形成する工程とを具備することを特徴とする半導体装置の製造方法が提供される。
【選択図】図2
Description
以下、第1の実施の形態について説明する。図1(a)〜図3(b)は本実施の形態に係る半導体装置の製造プロセスの模式図である。
以下、第2の実施の形態について説明する。なお、第1の実施の形態と重複する説明は省略することもある。本実施の形態では、第1の実施の形態で説明した手法を用いてウェハレベルCSP(Chip Scale Package)の再配置配線を形成する例について説明する。図4(a)〜図6(c)は本実施の形態に係る半導体装置の製造プロセスの模式図である。
Claims (5)
- 基板上に通電層を形成する工程と、
所定の位置に開口を有するレジストマスクを前記通電層上に形成する工程と、
前記通電層に電流を供給して、めっき法により前記開口内に第1のめっき膜を形成する工程と、
前記開口を形成する前記レジストマスクの内側面を後退させて、前記内側面と前記第1のめっき膜との間隔を広げる工程と、
前記通電層に電流を供給して、めっき法により前記第1のめっき膜を覆うように前記内側面の後退した前記開口内に第2のめっき膜を形成する工程と
を具備することを特徴とする半導体装置の製造方法。 - 前記第2のめっき膜を形成する工程後、前記レジストマスクを除去する工程と、前記第1のめっき膜及び前記第2のめっき膜に覆われている部分以外の前記通電層を除去する工程とをさらに具備することを特徴とする請求項1記載の半導体装置の製造方法。
- 前記通電層を除去する工程後、前記第1のめっき膜及び前記第2のめっき膜をリフローさせて、半田バンプを形成する工程をさらに具備することを特徴とする請求項2記載の半導体装置の製造方法。
- 前記第1のめっき膜はCu,Ag,及びAuのいずれかから構成されており、前記第2のめっき膜はSn,及びポリイミドのいずれかから構成されていることを特徴とする請求項1又は2記載の半導体装置の製造方法。
- 基板と、
前記基板上に形成された通電層と、
前記通電層上に形成された第1のめっき膜と、
前記通電層上に形成され、前記第1のめっき膜の上面と側面を覆う第2のめっき膜と
を具備することを特徴とする半導体装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
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JP2005047679A JP4843229B2 (ja) | 2005-02-23 | 2005-02-23 | 半導体装置の製造方法 |
US11/358,137 US7473628B2 (en) | 2005-02-23 | 2006-02-22 | Method of manufacturing semiconductor device and semiconductor device |
US12/314,135 US20090134516A1 (en) | 2005-02-23 | 2008-12-04 | Method of manufacturing semiconductor device and semiconductor device |
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JP2005047679A JP4843229B2 (ja) | 2005-02-23 | 2005-02-23 | 半導体装置の製造方法 |
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JP2006237159A true JP2006237159A (ja) | 2006-09-07 |
JP4843229B2 JP4843229B2 (ja) | 2011-12-21 |
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JP2005047679A Expired - Fee Related JP4843229B2 (ja) | 2005-02-23 | 2005-02-23 | 半導体装置の製造方法 |
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US (2) | US7473628B2 (ja) |
JP (1) | JP4843229B2 (ja) |
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JP2009206334A (ja) * | 2008-02-28 | 2009-09-10 | Toshiba Corp | 電子部品の製造方法 |
US8063487B2 (en) | 2007-12-17 | 2011-11-22 | Kabushiki Kaisha Toshiba | Manufacturing method of semiconductor apparatus and semiconductor apparatus |
CN108796584A (zh) * | 2017-04-28 | 2018-11-13 | 宝山钢铁股份有限公司 | 一种镀锡产品表面钝化膜结构柔性控制方法 |
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JP2009064989A (ja) | 2007-09-07 | 2009-03-26 | Panasonic Corp | 半導体装置およびその製造方法 |
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JP2011054805A (ja) * | 2009-09-02 | 2011-03-17 | Toshiba Corp | 半導体装置、及び半導体装置の製造方法 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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US8063487B2 (en) | 2007-12-17 | 2011-11-22 | Kabushiki Kaisha Toshiba | Manufacturing method of semiconductor apparatus and semiconductor apparatus |
US8569181B2 (en) | 2007-12-17 | 2013-10-29 | Kabushiki Kaisha Toshiba | Manufacturing method of semiconductor apparatus and semiconductor apparatus |
JP2009206334A (ja) * | 2008-02-28 | 2009-09-10 | Toshiba Corp | 電子部品の製造方法 |
CN108796584A (zh) * | 2017-04-28 | 2018-11-13 | 宝山钢铁股份有限公司 | 一种镀锡产品表面钝化膜结构柔性控制方法 |
Also Published As
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US20060189114A1 (en) | 2006-08-24 |
US20090134516A1 (en) | 2009-05-28 |
JP4843229B2 (ja) | 2011-12-21 |
US7473628B2 (en) | 2009-01-06 |
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