JP2011529263A - オンダイ・キャパシタ用アンダーバンプメタル - Google Patents
オンダイ・キャパシタ用アンダーバンプメタル Download PDFInfo
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- JP2011529263A JP2011529263A JP2011518995A JP2011518995A JP2011529263A JP 2011529263 A JP2011529263 A JP 2011529263A JP 2011518995 A JP2011518995 A JP 2011518995A JP 2011518995 A JP2011518995 A JP 2011518995A JP 2011529263 A JP2011529263 A JP 2011529263A
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- Prior art keywords
- conductor
- forming
- layer
- under bump
- semiconductor chip
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- H01L2924/14—Integrated circuits
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- H01—ELECTRIC ELEMENTS
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- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/14—Integrated circuits
- H01L2924/143—Digital devices
- H01L2924/1433—Application-specific integrated circuit [ASIC]
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- H01L2924/19—Details of hybrid assemblies other than the semiconductor or other solid state devices to be connected
- H01L2924/1901—Structure
- H01L2924/19015—Structure including thin film passive components
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- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2924/1901—Structure
- H01L2924/1904—Component type
- H01L2924/19041—Component type being a capacitor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
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- H01L2924/191—Disposition
- H01L2924/19101—Disposition of discrete passive components
- H01L2924/19102—Disposition of discrete passive components in a stacked assembly with the semiconductor or solid state device
- H01L2924/19104—Disposition of discrete passive components in a stacked assembly with the semiconductor or solid state device on the semiconductor or solid-state device, i.e. passive-on-chip
Abstract
Description
C = εA/d (1)
UBM構造体140、下層の複数の導線195、及び不動態化構造体30から成るキャパシタの静電容量も、同様に数式1により求めることができる。ただし、重なり部分の面積はUBM構造体145及び導線195に適したものとなる。この例示の実施形態では、窒化ケイ素及び非ドープのケイ酸塩ガラスの交互の層から成る積層不動態化構造体の誘電率εは、積層体中の任意の層の誘電率εn、任意の層の厚みtn、及び層数nから、次式より妥当な精度で概算することができる。
Claims (29)
- 半導体チップ上に第1導体構造体を形成することと、
前記第1導体構造体上に不動態化構造体を形成することと、
前記不動態化構造体上に、前記第1導体構造体の少なくとも一部分に重なるアンダーバンプメタル構造体を形成することとを含む、キャパシタ製造方法。 - 前記第1導体構造体を形成することは、共に結合された複数の導線を形成することを含む、請求項1に記載の方法。
- 前記第1導体構造体を形成することは、再配線相互接続層を形成することを含む、請求項1に記載の方法。
- 前記不動態化層を形成することは、複数の絶縁層の積層体を形成することを含む、請求項1〜3のいずれか一項に記載の方法。
- 前記アンダーバンプメタル構造体上に第2導体構造体を形成することをさらに含む、請求項1〜4のいずれか一項に記載の方法。
- 前記第2導体構造体を形成することは、半田バンプを形成することを含む、請求項5に記載の方法。
- 前記半導体チップが電源レール及び接地レールを備え、該方法が、前記第1導体構造体と前記不動態化構造体と前記アンダーバンプメタル構造体との組み合わせを、前記電源レールと接地レールとの間に接続することを含む、請求項1〜6のいずれか一項に記載の方法。
- 前記半導体チップを回路基板に連結することをさらに含む、請求項1〜7のいずれか一項に記載の方法。
- 前記回路基板を演算装置に実装することをさらに含む、請求項8に記載の方法。
- コンピュータ可読媒体に記憶されたインストラクションを実行することにより行われる、請求項1〜9のいずれか一項に記載の方法。
- 複数の導線を有する再配線層を半導体チップ上に形成することと、
前記再配線層上に不動態化構造体を形成することと、
前記不動態化構造体上に、複数のアンダーバンプメタル構造体を有するアンダーバンプメタル層を形成することとを含み、
前記再配線層及び前記アンダーバンプメタル層が、前記複数の導線の少なくとも1つと前記複数のアンダーバンプ構造体の少なくとも1つとが、オーミック接合することなく少なくとも部分的に重なることによりキャパシタを構成するように形成される、キャパシタ製造方法。 - 前記複数の導線を形成することは、共に接続された導線による導線群を複数形成することを含む、請求項11に記載の方法。
- 前記複数の導線群の少なくとも1つを接地レールに接続し、前記複数の導線群の少なくとも1つを電源レールに接続することをさらに含む、請求項11に記載の方法。
- 前記不動態化層を形成することは、複数の絶縁層の積層体を形成することを含む、請求項11〜13のいずれか一項に記載の方法。
- 前記複数のアンダーバンプメタル構造体の少なくとも幾つかの上に導体構造体を形成することを含む、請求項11〜14のいずれか一項に記載の方法。
- 前記導体構造体を形成することは、半田バンプを形成することを含む、請求項15に記載の方法。
- 前記半導体チップが電源レール及び接地レールを備え、該方法が、前記少なくとも1つの導線と前記不動態化構造体と前記少なくとも1つのアンダーバンプメタル構造体との組合わせを、前記電源レールと接地レールとの間に接続することを含む、請求項11〜16のいずれか一項に記載の方法。
- 前記半導体チップを回路基板に連結することをさらに含む、請求項11〜17のいずれか一項に記載の方法。
- 前記回路基板を演算装置に実装することをさらに含む、請求項18に記載の方法。
- コンピュータ可読媒体に記憶されたインストラクションを実行することにより行われる、請求項11〜20のいずれか一項に記載の方法。
- 第1導体構造体を有する半導体チップと、
前記第1導体構造体上の不動態化構造体と、
前記不動態化構造体上にあり、前記第1導体構造体とオーミック接合することなく前記第1導体構造体の少なくとも一部分に重なることによりキャパシタを形成するアンダーバンプメタル構造体とを、備える装置。 - 前記第1導体構造体は共に結合された複数の導線を含む、請求項21に記載の装置。
- 前記第1導体構造体は再配線相互接続層を含む、請求項21に記載の装置。
- 前記不動態化層は複数の絶縁層の積層体を含む、請求項21〜23のいずれか一項に記載の装置。
- 前記アンダーバンプ10メタル構造体上の第2導体構造体をさらに含む、請求項21に記載の装置。
- 前記第2導体構造体が半田バンプを含む、請求項25に記載の装置。
- 前記半導体チップが電源レール及び接地レールを備え、前記第1導体構造体と前記不動態化構造体と前記アンダーバンプメタル構造体との組合わせが、前記電源レールと接地レールとの間に電気接続されている、請求項21〜26のいずれか一項に記載の装置。
- 前記半導体チップに連結された回路基板を含む、請求項21〜27のいずれか一項に記載の装置。
- 前記回路基板に連結された演算装置を含む、請求項28に記載の装置。
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- 2009-07-23 JP JP2011518995A patent/JP5595396B2/ja active Active
- 2009-07-23 EP EP17159006.0A patent/EP3193366A3/en active Pending
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JPWO2016136411A1 (ja) * | 2015-02-27 | 2017-09-28 | 株式会社村田製作所 | キャパシタおよび電子機器 |
US10366832B2 (en) | 2015-02-27 | 2019-07-30 | Murata Manufacturing Co., Ltd. | Capacitor and electronic device having a plurality of surface electrodes electrically connected to each other by an intermediate electrode |
Also Published As
Publication number | Publication date |
---|---|
EP3193366A2 (en) | 2017-07-19 |
CN102150228B (zh) | 2016-02-10 |
EP2308066A4 (en) | 2013-10-16 |
US20100019347A1 (en) | 2010-01-28 |
EP3193366A3 (en) | 2017-08-16 |
CN102150228A (zh) | 2011-08-10 |
KR101752375B1 (ko) | 2017-06-29 |
WO2010009553A1 (en) | 2010-01-28 |
JP5595396B2 (ja) | 2014-09-24 |
EP2308066A1 (en) | 2011-04-13 |
KR20110042336A (ko) | 2011-04-26 |
US8314474B2 (en) | 2012-11-20 |
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