JP5242282B2 - 半導体装置とその製造方法 - Google Patents
半導体装置とその製造方法 Download PDFInfo
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- JP5242282B2 JP5242282B2 JP2008197206A JP2008197206A JP5242282B2 JP 5242282 B2 JP5242282 B2 JP 5242282B2 JP 2008197206 A JP2008197206 A JP 2008197206A JP 2008197206 A JP2008197206 A JP 2008197206A JP 5242282 B2 JP5242282 B2 JP 5242282B2
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- opening
- hole
- insulating layer
- semiconductor substrate
- layer
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- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
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Description
Claims (4)
- 第1の面と、前記第1の面とは反対側の第2の面とを有する半導体基板と、
前記半導体基板に設けられ、前記第1の面に開口された第1の開口と前記第2の面に開口された第2の開口とを有する貫通孔であって、前記第1の開口の開口径が前記第2の開口に近い側の内径より大きくなるように前記第1の面の近傍を拡張させる拡張部を備える貫通孔と、
前記半導体基板の前記第1の面に設けられ、前記貫通孔に連通されていると共に、前記第1の開口の開口径より小径の開口を有する第1の絶縁層と、
前記第1の絶縁層の前記開口を塞ぐように、前記第1の絶縁層上に設けられた第1の配線層と、
前記貫通孔の前記拡張部を充填すると共に、前記貫通孔の前記第1の開口、前記貫通孔の内壁面、および前記半導体基板の前記第2の面を覆うように設けられ、前記第1の絶縁層の前記開口から連通して前記第1の配線層を露出させる開口を有する第2の絶縁層と、
前記第1および第2の絶縁層の前記開口を介して前記第1の配線層と接続するように、前記貫通孔内から前記半導体基板の前記第2の面に亘って、前記第2の絶縁層を介して設けられた第2の配線層とを具備し、
前記拡張部は、前記第1の開口の開口端から前記第2の絶縁層の前記開口の開口端までの距離が3〜10μmの範囲で、かつ前記第1の開口から前記第2の開口に近い側の内径部分までの距離が1〜5μmの範囲の形状を有することを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記拡張部には有機絶縁物からなる前記第2の絶縁層が充填されていることを特徴とする半導体装置。 - 請求項1記載の半導体装置において、
前記第2の絶縁層は下地膜と絶縁膜との二層構造膜を有し、前記拡張部には前記絶縁膜が充填されていることを特徴とする半導体装置。 - 半導体基板の第1の面に第1の絶縁層を形成する工程と、
前記第1の絶縁層上に第1の配線層を形成する工程と、
前記第1の絶縁層を露出させるように、前記半導体基板の前記第1の面とは反対側の第2の面から前記第1の面に向けて、前記半導体基板に貫通孔を形成しつつ、前記貫通孔に前記第1の面に開口された第1の開口の開口径が前記第2の面に開口された第2の開口に近い側の内径より大きくなるように前記第1の面の近傍を拡張させる拡張部を設ける工程と、
前記貫通孔の前記拡張部を充填しつつ、前記貫通孔の前記第1の開口、前記貫通孔の内壁面、および前記半導体基板の前記第2の面を覆う第2の絶縁層を形成する工程と、
前記貫通孔の底部に存在する前記第1および第2の絶縁層に開口を形成し、前記貫通孔内に前記第1の配線層を露出させる工程と、
前記貫通孔内から前記半導体基板の前記第2の面に亘って、前記第1および第2の絶縁層の前記開口を介して前記第1の配線層と接続する第2の配線層を、前記第2の絶縁層を介して形成する工程とを具備し、
前記拡張部は、前記第1の開口の開口端から前記第2の絶縁層の前記開口の開口端までの距離が3〜10μmの範囲で、かつ前記第1の開口から前記第2の開口に近い側の内径部分までの距離が1〜5μmの範囲の形状を有することを特徴とする半導体装置の製造方法。
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US12/533,492 US8237285B2 (en) | 2008-07-31 | 2009-07-31 | Semiconductor device, through hole having expansion portion and thin insulating film |
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JP2011238742A (ja) * | 2010-05-10 | 2011-11-24 | Shinko Electric Ind Co Ltd | 配線基板の製造方法及び配線基板 |
KR101195461B1 (ko) | 2010-09-01 | 2012-10-30 | 에스케이하이닉스 주식회사 | 반도체칩 및 이의 제조방법 |
KR20120031811A (ko) * | 2010-09-27 | 2012-04-04 | 삼성전자주식회사 | 반도체 장치 및 그 제조 방법 |
US9190325B2 (en) * | 2010-09-30 | 2015-11-17 | Taiwan Semiconductor Manufacturing Company, Ltd. | TSV formation |
US8742477B1 (en) * | 2010-12-06 | 2014-06-03 | Xilinx, Inc. | Elliptical through silicon vias for active interposers |
US8816505B2 (en) | 2011-07-29 | 2014-08-26 | Tessera, Inc. | Low stress vias |
RU2617571C2 (ru) * | 2012-10-17 | 2017-04-25 | Нестек С.А. | Упаковки, пригодные для носки, для потребляемых продуктов и способы их использования |
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JP3724110B2 (ja) * | 1997-04-24 | 2005-12-07 | 三菱電機株式会社 | 半導体装置の製造方法 |
JP3457277B2 (ja) * | 1999-12-15 | 2003-10-14 | 沖電気工業株式会社 | 半導体装置および半導体装置の製造方法 |
JP4703061B2 (ja) * | 2001-08-30 | 2011-06-15 | 富士通株式会社 | 薄膜回路基板の製造方法およびビア形成基板の形成方法 |
JP4289146B2 (ja) * | 2003-03-27 | 2009-07-01 | セイコーエプソン株式会社 | 三次元実装型半導体装置の製造方法 |
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JP2006165112A (ja) * | 2004-12-03 | 2006-06-22 | Sharp Corp | 貫通電極形成方法およびそれを用いる半導体装置の製造方法、ならびに該方法によって得られる半導体装置 |
JP4726221B2 (ja) * | 2005-03-10 | 2011-07-20 | 三洋電機株式会社 | 半導体装置及びその製造方法 |
US7262134B2 (en) * | 2005-09-01 | 2007-08-28 | Micron Technology, Inc. | Microfeature workpieces and methods for forming interconnects in microfeature workpieces |
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US7855438B2 (en) * | 2006-09-19 | 2010-12-21 | Infineon Technologies Ag | Deep via construction for a semiconductor device |
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