JP5115618B2 - 半導体装置 - Google Patents
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- H—ELECTRICITY
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- H10D86/201—Integrated devices formed in or on insulating or conducting substrates, e.g. formed in silicon-on-insulator [SOI] substrates or on stainless steel or glass substrates the substrates comprising an insulating layer on a semiconductor body, e.g. SOI
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- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
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- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/20—Interconnections within wafers or substrates, e.g. through-silicon vias [TSV]
- H10W20/211—Through-semiconductor vias, e.g. TSVs
- H10W20/217—Through-semiconductor vias, e.g. TSVs comprising ring-shaped isolation structures outside of the via holes
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- H10W72/00—Interconnections or connectors in packages
- H10W72/01—Manufacture or treatment
- H10W72/019—Manufacture or treatment of bond pads
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2201/00—Specific applications of microelectromechanical systems
- B81B2201/02—Sensors
- B81B2201/0228—Inertial sensors
- B81B2201/0235—Accelerometers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81B—MICROSTRUCTURAL DEVICES OR SYSTEMS, e.g. MICROMECHANICAL DEVICES
- B81B2207/00—Microstructural systems or auxiliary parts thereof
- B81B2207/09—Packages
- B81B2207/091—Arrangements for connecting external electrical signals to mechanical structures inside the package
- B81B2207/094—Feed-through, via
- B81B2207/095—Feed-through, via through the lid
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B81—MICROSTRUCTURAL TECHNOLOGY
- B81C—PROCESSES OR APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OR TREATMENT OF MICROSTRUCTURAL DEVICES OR SYSTEMS
- B81C2203/00—Forming microstructural systems
- B81C2203/01—Packaging MEMS
- B81C2203/0118—Bonding a wafer on the substrate, i.e. where the cap consists of another wafer
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- H—ELECTRICITY
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/021—Manufacture or treatment of interconnections within wafers or substrates
- H10W20/023—Manufacture or treatment of interconnections within wafers or substrates the interconnections being through-semiconductor vias
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- H—ELECTRICITY
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- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/01—Manufacture or treatment
- H10W20/071—Manufacture or treatment of dielectric parts thereof
- H10W20/072—Manufacture or treatment of dielectric parts thereof of dielectric parts comprising air gaps
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
- H10W20/45—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their insulating parts
- H10W20/46—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes characterised by their insulating parts comprising air gaps
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/531—Shapes of wire connectors
- H10W72/536—Shapes of wire connectors the connected ends being ball-shaped
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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- H10W72/00—Interconnections or connectors in packages
- H10W72/50—Bond wires
- H10W72/59—Bond pads specially adapted therefor
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/90—Bond pads, in general
- H10W72/921—Structures or relative sizes of bond pads
- H10W72/923—Bond pads having multiple stacked layers
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- H—ELECTRICITY
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- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W72/00—Interconnections or connectors in packages
- H10W72/90—Bond pads, in general
- H10W72/931—Shapes of bond pads
- H10W72/934—Cross-sectional shape, i.e. in side view
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- H—ELECTRICITY
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- H10W72/00—Interconnections or connectors in packages
- H10W72/90—Bond pads, in general
- H10W72/951—Materials of bond pads
- H10W72/952—Materials of bond pads comprising metals or metalloids, e.g. PbSn, Ag or Cu
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- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
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Description
酸化シリコン(SiO2)からなる絶縁層32aを形成する。
B4〜B7 ベース基板
C4〜C11 キャップ基板
De1〜De9 引き出し電極
40 金属
35,35a,35b,36,36a,36b,37a〜37c,38 溝
Cs,Cs1〜Cs5,Csa〜Csc 部分領域
Claims (13)
- シリコンからなるベース基板であって、絶縁分離された複数個のベース半導体領域が上面の表層部の所定領域に形成されてなるベース基板と、
前記ベース基板の所定領域において、下面が前記ベース基板の上面に貼り合わされるキャップ基板とを有してなる半導体装置において、
下面が所定の前記ベース半導体領域に接続し、前記キャップ基板を貫通するようにして、上面が前記キャップ基板の上面側まで伸びる、金属で構成された引き出し電極が、当該引き出し電極の周りにおいて、前記キャップ基板との間に溝を有するように形成されてなり、
前記引き出し電極の上面で、外部に電気接続され、
前記キャップ基板が、シリコンからなるとともに、絶縁分離された複数の部分領域に分割され、
前記引き出し電極が、所定の前記部分領域と、該部分領域の周りに形成された前記金属とで構成されてなることを特徴とする半導体装置。 - 前記部分領域の周りに形成された前記金属が、該部分領域の上面を覆うように形成されてなることを特徴とする請求項1に記載の半導体装置。
- 前記キャップ基板が、単結晶シリコンからなることを特徴とする請求項1又は請求項2に記載の半導体装置。
- 前記複数の部分領域のうち、所定の部分領域に、IC回路が形成されてなることを特徴とする請求項3に記載の半導体装置。
- 前記引き出し電極の上面が、前記キャップ基板の上面より上にあることを特徴とする請求項1乃至4のいずれか一項に記載に記載の半導体装置。
- 前記引き出し電極の上面が、該引き出し電極の下面より大きな面積であることを特徴とする請求項5に記載に記載の半導体装置。
- 前記溝の下方に、絶縁層が形成され、
前記溝が、前記ベース基板に達していないことを特徴とする請求項1乃至6のいずれか一項に記載の半導体装置。 - 前記ベース基板の所定領域において、貼り合わされた前記ベース基板と前記キャップ基板の間の空間が、密封されていることを特徴とする請求項1乃至7のいずれか一項に記載の半導体装置。
- 前記ベース基板が、埋め込み酸化膜を有するSOI基板からなり、
前記ベース半導体領域が、前記埋め込み酸化膜に達するトレンチにより周囲から絶縁分離された、SOI層からなる領域であることを特徴とする請求項1乃至8のいずれか一項に記載の半導体装置。 - 前記半導体装置が、力学量センサ素子を有してなり、
前記複数個のベース半導体領域のうち、
少なくとも一個のベース半導体領域が、前記埋め込み酸化膜の一部を犠牲層エッチングすることにより、変位可能に形成された可動電極を有する可動半導体領域であり、
少なくとももう一個のベース半導体領域が、前記可動電極と対向する固定電極を有する固定半導体領域であり、
前記可動電極と固定電極の対向する面の間に静電容量が形成され、
前記可動半導体領域と前記固定半導体領域に、それぞれ、前記引き出し電極が接続され、
前記可動電極が、印加される力学量に応じて前記対向面に対して垂直方向に変位し、
前記可動電極と固定電極の間の距離変化に伴う前記静電容量の変化を測定して、前記印加される力学量を検出することを特徴とする請求項9に記載の半導体装置。 - 前記力学量が、加速度または角速度であることを特徴とする請求項10に記載の半導体装置。
- 前記ベース基板が、単結晶シリコン基板からなり、
前記ベース半導体領域が、PN接合分離により絶縁分離された不純物拡散領域であることを特徴とする請求項1乃至8のいずれか一項に記載の半導体装置。 - 前記半導体装置が、圧力センサ素子を有してなり、
前記複数個のベース半導体領域のうち、
少なくとも一個のベース半導体領域が、前記単結晶シリコン基板の上面側にあるメンブレンに形成された前記不純物拡散領域であり、
前記メンブレンが、印加される圧力に応じて変位し、該変位に伴う前記不純物拡散領域の抵抗値の変化を測定して、前記印加される圧力を検出することを特徴とする請求項12に記載の半導体装置。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010251092A JP5115618B2 (ja) | 2009-12-17 | 2010-11-09 | 半導体装置 |
| US12/968,470 US20110147859A1 (en) | 2009-12-17 | 2010-12-15 | Semiconductor device and method of manufacturing the same |
| US14/059,662 US8941229B2 (en) | 2009-12-17 | 2013-10-22 | Semiconductor device and method of manufacturing the same |
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| JP2009286874 | 2009-12-17 | ||
| JP2009286874 | 2009-12-17 | ||
| JP2010251092A JP5115618B2 (ja) | 2009-12-17 | 2010-11-09 | 半導体装置 |
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| Publication Number | Publication Date |
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| JP2011146687A JP2011146687A (ja) | 2011-07-28 |
| JP5115618B2 true JP5115618B2 (ja) | 2013-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2010251092A Expired - Fee Related JP5115618B2 (ja) | 2009-12-17 | 2010-11-09 | 半導体装置 |
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2010
- 2010-11-09 JP JP2010251092A patent/JP5115618B2/ja not_active Expired - Fee Related
- 2010-12-15 US US12/968,470 patent/US20110147859A1/en not_active Abandoned
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2013
- 2013-10-22 US US14/059,662 patent/US8941229B2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013160532A (ja) * | 2012-02-01 | 2013-08-19 | Rohm Co Ltd | 静電容量型圧力センサおよびその製造方法 |
| JP2013253879A (ja) * | 2012-06-07 | 2013-12-19 | Rohm Co Ltd | 静電容量型圧力センサおよびその製造方法、圧力センサパッケージ |
Also Published As
| Publication number | Publication date |
|---|---|
| US20140048922A1 (en) | 2014-02-20 |
| US8941229B2 (en) | 2015-01-27 |
| JP2011146687A (ja) | 2011-07-28 |
| US20110147859A1 (en) | 2011-06-23 |
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