JP2009532874A - 回路の三次元的な統合において用いられるバリヤ - Google Patents
回路の三次元的な統合において用いられるバリヤ Download PDFInfo
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- 230000004888 barrier function Effects 0.000 title claims abstract description 48
- 230000010354 integration Effects 0.000 title claims description 7
- 238000000034 method Methods 0.000 claims abstract description 42
- 239000004065 semiconductor Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 29
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000011231 conductive filler Substances 0.000 claims abstract description 15
- 229910017052 cobalt Inorganic materials 0.000 claims abstract description 13
- 239000010941 cobalt Substances 0.000 claims abstract description 13
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims abstract description 13
- 229910052759 nickel Inorganic materials 0.000 claims abstract description 12
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052802 copper Inorganic materials 0.000 claims description 6
- 239000010949 copper Substances 0.000 claims description 6
- 239000003989 dielectric material Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 239000010937 tungsten Substances 0.000 claims description 2
- 235000012431 wafers Nutrition 0.000 description 43
- 238000005530 etching Methods 0.000 description 14
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 4
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000003486 chemical etching Methods 0.000 description 2
- 229910052763 palladium Inorganic materials 0.000 description 2
- 238000005240 physical vapour deposition Methods 0.000 description 2
- 229910052697 platinum Inorganic materials 0.000 description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 229910052581 Si3N4 Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- LFGFZXXKZPSRMB-UHFFFAOYSA-N [B].[Mo].[Co] Chemical compound [B].[Mo].[Co] LFGFZXXKZPSRMB-UHFFFAOYSA-N 0.000 description 1
- UYNAGLMEARBXEG-UHFFFAOYSA-N [B].[Re].[Co] Chemical compound [B].[Re].[Co] UYNAGLMEARBXEG-UHFFFAOYSA-N 0.000 description 1
- CPJYFACXEHYLFS-UHFFFAOYSA-N [B].[W].[Co] Chemical compound [B].[W].[Co] CPJYFACXEHYLFS-UHFFFAOYSA-N 0.000 description 1
- HMDDXIMCDZRSNE-UHFFFAOYSA-N [C].[Si] Chemical compound [C].[Si] HMDDXIMCDZRSNE-UHFFFAOYSA-N 0.000 description 1
- FEBFYWHXKVOHDI-UHFFFAOYSA-N [Co].[P][W] Chemical compound [Co].[P][W] FEBFYWHXKVOHDI-UHFFFAOYSA-N 0.000 description 1
- CKQGJVKHBSPKST-UHFFFAOYSA-N [Ni].P#[Mo] Chemical compound [Ni].P#[Mo] CKQGJVKHBSPKST-UHFFFAOYSA-N 0.000 description 1
- AXFKVYBBROZOGA-UHFFFAOYSA-N [P].[Mo].[Co] Chemical compound [P].[Mo].[Co] AXFKVYBBROZOGA-UHFFFAOYSA-N 0.000 description 1
- UUJLWEYRZDAJFO-UHFFFAOYSA-N [P].[Re].[Co] Chemical compound [P].[Re].[Co] UUJLWEYRZDAJFO-UHFFFAOYSA-N 0.000 description 1
- ACVSDIKGGNSZDR-UHFFFAOYSA-N [P].[W].[Ni] Chemical compound [P].[W].[Ni] ACVSDIKGGNSZDR-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- IJIMPXOIJZHGTP-UHFFFAOYSA-N boranylidynemolybdenum nickel Chemical compound [Ni].B#[Mo] IJIMPXOIJZHGTP-UHFFFAOYSA-N 0.000 description 1
- IGLTYURFTAWDMX-UHFFFAOYSA-N boranylidynetungsten nickel Chemical compound [Ni].B#[W] IGLTYURFTAWDMX-UHFFFAOYSA-N 0.000 description 1
- 229910052796 boron Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000005226 mechanical processes and functions Effects 0.000 description 1
- IGDBIOSLOUHDAG-UHFFFAOYSA-N nickel phosphanylidynerhenium Chemical compound [Ni].P#[Re] IGDBIOSLOUHDAG-UHFFFAOYSA-N 0.000 description 1
- UJRJCSCBZXLGKF-UHFFFAOYSA-N nickel rhenium Chemical compound [Ni].[Re] UJRJCSCBZXLGKF-UHFFFAOYSA-N 0.000 description 1
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
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Abstract
Description
Claims (20)
- 半導体デバイスを形成する方法であって、
接続フィーチャを有する第1の集積回路を提供することと、
第1の集積回路に第2の集積回路を取り付けることと、第2の集積回路は回路間トレースを有することと、回路間トレースは回路間トレース開口部を有することと、
第2の集積回路を通じた開口部を形成することと、開口部は回路間トレース開口部を通じて接続パッドまで延びていることと、
開口部において回路間トレースの露出した部分上に選択的なバリヤを形成することと、
導電性充填材料を用いて開口部を充填することと、導電性充填材料は回路間トレースと接続フィーチャとを電気的に接続することと、
を含む方法。 - 選択的なバリヤはコバルトおよびニッケルから選択される材料を含む請求項1に記載の方法。
- 選択的なバリヤはコバルトを含む請求項1に記載の方法。
- 選択的なバリヤはタングステンを含む請求項3に記載の方法。
- 選択的なバリヤは開口部において回路間トレースの露出した部分上にのみ形成される請求項1に記載の方法。
- 接続パッドは、コバルトおよびニッケルから選択される材料を含む導電性バリヤ層を含む請求項1に記載の方法。
- 第1の集積回路に第2の集積回路を取り付けることは、第1の集積回路と第2の集積回路との間の1つ以上の接合層を用いて第1の集積回路に第2の集積回路を取り付けることを含む請求項1に記載の方法。
- 開口部を形成することは、
第2の集積回路および回路間トレース開口部を通じて前記1つ以上の接合層まで延びる開口部を形成することと、
前記1つ以上の接合層を通じて接続フィーチャまで同開口部を延ばすことと、接続フィーチャは接続パッドおよび金属トレースのうちの1つ以上を含むことと、
を含む請求項7に記載の方法。 - 回路間トレースは回路間トレースバリヤ層を含むことと、選択的なバリヤを形成する前に、回路間トレースバリヤ層の露出した部分を処理することと、を含む請求項1に記載の方法。
- 導電性充填材料を用いて開口部を充填する前に開口部にライナー層を形成することを含む請求項1に記載の方法。
- 回路間トレースは銅を含む請求項1に記載の方法。
- 半導体デバイスを形成する方法であって、
接続フィーチャを有する第1の集積回路を提供することと、
1つ以上の接合層を用いて第1の集積回路に第2の集積回路を取り付けることと、第2の集積回路は回路間トレースを有することと、回路間トレースは回路間トレース開口部を有することと、
第2の集積回路を通じた開口部を形成することと、開口部は回路間トレース開口部を通じて延びていることと、
開口部において回路間トレースの露出した部分上に選択的なバリヤを形成することと、選択的なバリヤはコバルトおよびニッケルから選択される1つ以上の材料を含むことと、
前記1つ以上の接合層を通じて接続フィーチャまで開口部を延ばすことと、
開口部を延ばした後、導電性充填材料を用いて開口部を充填することと、導電性充填材料は回路間トレースと接続フィーチャとを電気的に接続することと、
を含む方法。 - 1つ以上の接合層を用いて第1の集積回路に第2の集積回路を取り付けることは、
第1の集積回路上に形成された第1の接合層と第2の集積回路上に形成された第2の接合層とを取り付けることを含む請求項12に記載の方法。 - 回路間トレースは回路間トレースバリヤ層を含むことと、回路間トレースの露出した部分は回路間トレースバリヤ層のうちの少なくとも一部を含むことと、選択的なバリヤを形成する前に、回路間トレースバリヤ層うちの前記少なくとも一部を処理することと、を含む請求項12に記載の方法。
- 前記1つ以上の接合層はエッチング停止層を含むことと、第2の集積回路を通じて開口部を形成することは、同開口部がエッチング停止層まで延びるように実行されることと、を含む請求項12に記載の方法。
- 開口部を延ばした後かつ開口部を充填する前に、開口部にライナー層を形成することを含む、請求項12に記載の方法。
- 接続フィーチャはコバルトおよびニッケルから選択される材料を含む導電性バリヤ層を含むことと、前記1つ以上の接合層を通じて接続フィーチャまで開口部を延ばすことは、開口部が接続フィーチャの導電性バリヤ層を露出するように実行されることと、を含む請求項12に記載の方法。
- 接続フィーチャと、接続フィーチャの上の1つ以上の接合層とを有する第1の集積回路と、
回路間トレースと、回路間トレースの上の1つ以上の接合層とを有する第2の集積回路と、第2の集積回路の1つ以上の接合層は、第1の集積回路の前記1つ以上の接合層に取り付けられていることと、
第2の集積回路を通じて、回路間トレースの開口部を通じて、第2の集積回路の前記1つ以上の接合層を通じて、かつ第1の集積回路の前記1つ以上の接合層を通じて接続フィーチャまで延びている導電性相互接続部と、導電性相互接続部は回路間トレースを接続フィーチャに電気的に接続することと、
コバルトおよびニッケルから選択される1つ以上の材料を含む回路間トレースに隣接し、回路間トレースと導電性相互接続部との間において回路間トレースの開口部に配置されたバリヤ層と、
を含む半導体デバイス。 - 少なくとも部分的に回路間トレースを包囲する誘電体材料と、
回路間トレースに隣接した第2のバリヤ層と、第2のバリヤ層は導電性であり、第1のバリヤ層と異なることと、第2のバリヤ層は誘電体と回路間トレースとの間に配置されていることと、
を含む請求項18に記載の半導体デバイス。 - 接続フィーチャに隣接し、接続フィーチャと導電性相互接続部との間で配置された第2のバリヤ層と、接続フィーチャはコバルトおよびニッケルから選択される1つ以上の材料を含むことと、を含む請求項18に記載の半導体デバイス。
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US11/278,042 US7378339B2 (en) | 2006-03-30 | 2006-03-30 | Barrier for use in 3-D integration of circuits |
PCT/US2007/062538 WO2007130731A2 (en) | 2006-03-30 | 2007-02-22 | Barrier for use in 3-d integration of circuits |
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JP5985136B2 (ja) | 2009-03-19 | 2016-09-06 | ソニー株式会社 | 半導体装置とその製造方法、及び電子機器 |
US9406561B2 (en) * | 2009-04-20 | 2016-08-02 | International Business Machines Corporation | Three dimensional integrated circuit integration using dielectric bonding first and through via formation last |
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US9142581B2 (en) | 2012-11-05 | 2015-09-22 | Omnivision Technologies, Inc. | Die seal ring for integrated circuit system with stacked device wafers |
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US7378339B2 (en) | 2008-05-27 |
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KR101352732B1 (ko) | 2014-01-16 |
WO2007130731A3 (en) | 2008-09-18 |
TWI416691B (zh) | 2013-11-21 |
TW200742022A (en) | 2007-11-01 |
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US20080197497A1 (en) | 2008-08-21 |
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