JP2009290197A - 集積回路のシールリング構造 - Google Patents
集積回路のシールリング構造 Download PDFInfo
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- JP2009290197A JP2009290197A JP2009064272A JP2009064272A JP2009290197A JP 2009290197 A JP2009290197 A JP 2009290197A JP 2009064272 A JP2009064272 A JP 2009064272A JP 2009064272 A JP2009064272 A JP 2009064272A JP 2009290197 A JP2009290197 A JP 2009290197A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/5222—Capacitive arrangements or effects of, or between wiring layers
- H01L23/5225—Shielding layers formed together with wiring layers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/552—Protection against radiation, e.g. light or electromagnetic waves
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/58—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries
- H01L23/585—Structural electrical arrangements for semiconductor devices not otherwise provided for, e.g. in combination with batteries comprising conductive layers or plates or strips or rods or rings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
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- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Electromagnetism (AREA)
- Toxicology (AREA)
- Health & Medical Sciences (AREA)
- Semiconductor Integrated Circuits (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
デジタル回路によるデジタル雑音結合を低減できる、改良されたIC(集積回路)チップのシールリング構造を提供する。
【解決手段】IC用のシールリング構造は、ICの周辺に沿って設けられ、少なくとも第一部分と、アナログ及び/またはRF(無線周波数)回路ブロックに対向して同アナログ及び/またはRF回路ブロックを雑音から遮蔽するように設けられる第二部分に分けられたシールリングと、第二部分の下に位置し、P型基板の中に設けられるP+領域と、P+領域を囲み、第二部分の導電壁の下で横方向に延びるSTI(シャロートレンチアイソレーション)構造とを含む。
【選択図】図4
Description
Claims (14)
- 集積回路(IC)のシールリング構造であって、
前記ICの周辺に沿って設けられ、少なくとも第一部分と、アナログ及び/またはRF(無線周波数)回路ブロックに対向して同アナログ及び/またはRF回路ブロックを雑音から遮蔽するように設けられる第二部分に分けられたシールリングと、
前記第二部分の下に位置し、P型基板の中に設けられるP+領域と、
前記P+領域を囲み、前記第二部分の導電壁の下で横方向に延びるSTI(シャロートレンチアイソレーション)構造とを含む、シールリング構造。 - 前記シールリングは不連続のものであり、前記第二部分は前記第一部分から隔てられている、請求項1に記載のシールリング構造。
- 前記シールリング構造は更に、前記シールリングの外側に設けられる、連続した外側シールリングを含む、請求項1に記載のシールリング構造。
- 前記第二部分の長さは、遮蔽された前記アナログ及び/またはRF回路ブロックの幅に等しいかまたはそれより大きい、請求項1に記載のシールリング構造。
- 前記第二部分は、ポリシリコン層、金属層、コンタクト/バイア層、またはこれらの組み合わせを含むスタックで有り且つ、前記ICの製作とともに製作される導電壁を含む、請求項1に記載のシールリング構造。
- 前記P+領域にはP型ウェルが形成されていない、請求項1に記載のシールリング構造。
- ICのシールリング構造であって、
前記ICの周辺に沿って設けられ、少なくとも第一部分と、アナログ及び/またはRF回路ブロックに対向して同アナログ及び/またはRF回路ブロックを雑音から遮蔽するように設けられる第二部分に分けられたシールリングと、
前記第二部分の下に位置し、P型基板の中に設けられるディープN型ウェルと、
前記ディープN型ウェルの中に設けられるP+領域と、
前記P+領域を囲むSTI構造とを含む、シールリング構造。 - 前記シールリングは不連続のものであり、前記第二部分は前記第一部分から隔てられている、請求項7に記載のシールリング構造。
- 前記シールリング構造は更に、前記シールリングの外側に設けられる、連続した外側シールリングを含む、請求項7に記載のシールリング構造。
- 前記第二部分の長さは、遮蔽された前記アナログ及び/またはRF回路ブロックの幅に等しいかまたはそれより大きい、請求項7に記載のシールリング構造。
- 前記ディープN型ウェルの接合深さは約19000〜21000Åである、請求項7に記載のシールリング構造。
- 前記ディープN型ウェルは接地されるか、供給電圧に結合される、請求項7に記載のシールリング構造。
- 前記第二部分は、ポリシリコン層、金属層、コンタクト/バイア層、またはこれらの組み合わせを含むスタックで有り且つ、前記ICの製作とともに製作される導電壁を含む、請求項7に記載のシールリング構造。
- 前記P+領域にはP型ウェルが形成されていない、請求項7に記載のシールリング構造。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US5718508P | 2008-05-29 | 2008-05-29 | |
US61/057,185 | 2008-05-29 | ||
US12/340,737 US20090294897A1 (en) | 2008-05-29 | 2008-12-21 | Seal ring structure for integrated circuits |
US12/340,737 | 2008-12-21 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009290197A true JP2009290197A (ja) | 2009-12-10 |
JP5064431B2 JP5064431B2 (ja) | 2012-10-31 |
Family
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Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
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JP2009000783A Active JP5274264B2 (ja) | 2008-05-29 | 2009-01-06 | 集積回路のシールリング構造 |
JP2009064272A Active JP5064431B2 (ja) | 2008-05-29 | 2009-03-17 | 集積回路のシールリング構造 |
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Application Number | Title | Priority Date | Filing Date |
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JP2009000783A Active JP5274264B2 (ja) | 2008-05-29 | 2009-01-06 | 集積回路のシールリング構造 |
Country Status (4)
Country | Link |
---|---|
US (3) | US8188578B2 (ja) |
JP (2) | JP5274264B2 (ja) |
CN (2) | CN101593745B (ja) |
TW (2) | TWI412103B (ja) |
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2010
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Publication number | Publication date |
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JP5064431B2 (ja) | 2012-10-31 |
CN101593745B (zh) | 2012-02-01 |
US20100295146A1 (en) | 2010-11-25 |
US20090294897A1 (en) | 2009-12-03 |
TW200949998A (en) | 2009-12-01 |
CN101593737A (zh) | 2009-12-02 |
JP5274264B2 (ja) | 2013-08-28 |
JP2009290191A (ja) | 2009-12-10 |
US8188578B2 (en) | 2012-05-29 |
US20090294929A1 (en) | 2009-12-03 |
TWI412103B (zh) | 2013-10-11 |
US8212323B2 (en) | 2012-07-03 |
TW200949994A (en) | 2009-12-01 |
TWI396255B (zh) | 2013-05-11 |
CN101593745A (zh) | 2009-12-02 |
CN101593737B (zh) | 2012-04-04 |
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