JP5431638B2 - 半導体集積回路 - Google Patents
半導体集積回路 Download PDFInfo
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- JP5431638B2 JP5431638B2 JP2006292089A JP2006292089A JP5431638B2 JP 5431638 B2 JP5431638 B2 JP 5431638B2 JP 2006292089 A JP2006292089 A JP 2006292089A JP 2006292089 A JP2006292089 A JP 2006292089A JP 5431638 B2 JP5431638 B2 JP 5431638B2
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- integrated circuit
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- 239000004065 semiconductor Substances 0.000 title claims description 20
- 238000002955 isolation Methods 0.000 claims description 55
- 239000000758 substrate Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 17
- 238000004519 manufacturing process Methods 0.000 description 8
- 229910021420 polycrystalline silicon Inorganic materials 0.000 description 8
- 238000013461 design Methods 0.000 description 7
- 230000015556 catabolic process Effects 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- 229910004298 SiO 2 Inorganic materials 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001020 plasma etching Methods 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 125000004430 oxygen atom Chemical group O* 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000012808 vapor phase Substances 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
- H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
- H01L21/76—Making of isolation regions between components
- H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
- H01L21/7624—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using semiconductor on insulator [SOI] technology
- H01L21/76264—SOI together with lateral isolation, e.g. using local oxidation of silicon, or dielectric or polycristalline material refilled trench or air gap isolation regions, e.g. completely isolated semiconductor islands
- H01L21/76286—Lateral isolation by refilling of trenches with polycristalline material
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Element Separation (AREA)
Description
Claims (6)
- 溝に所定の材料を埋め込んだ埋め込みラインを備えた層を含む半導体集積回路であって、
前記埋め込みラインは均一の幅を有するとともにそのパターンは互いに交わる部分を含み、
前記交わる部分における前記埋め込みラインは、一の埋め込みラインを2方向に分岐せしめる、円弧形状の曲線部分を含み、
前記埋め込みラインのパターンに、第1の直線と、それに垂直な第2の直線を前記円弧形状の2つの曲線により互いに逆方向に分岐させ前記第1の直線に双方向で合流させたパターンで構成されるT字状に交わる部分を含むとき、全ての前記交わる部分における前記曲線部分の内側の円弧は、前記埋め込みラインの幅をaとしたとき、
r>1.5a
なる条件を満たす曲率半径rを有し、前記埋め込みラインは前記曲線部分においても均一の幅aを有することを特徴とする半導体集積回路。 - 前記交わる部分における前記埋め込みラインのパターンが、前記T字状に交わる部分を含まず、十字状に交わる部分のみを含むとき、全ての前記交わる部分における前記曲線部分の内側の円弧は、
r>0.7a
なる条件を満たす曲率半径rを有することを特徴とする請求項1に記載の半導体集積回路。 - 前記埋め込みラインのパターンは、直線を前記円弧形状の2つの曲線により互いに逆方向に分岐させたパターンのみからなる、前記T字状に交わる部分と異なる形状でT字状に交わる部分を含み、前記埋め込みラインのパターンに、さらに前記第1の直線を含むパターンで構成される前記T字状に交わる部分が含まれるとき、前記異なる形状でT字状に交わる部分における曲線部分の内側の円弧の曲率半径rも、
r>1.5a
なる条件を満たすことを特徴とする請求項1または2に記載の半導体集積回路。 - 前記埋め込みラインは基板を所定の領域ごとに絶縁分離する素子分離用絶縁膜で構成され、隣り合う前記領域が一の素子分離用絶縁膜で絶縁分離されたことを特徴とする請求項1から3のいずれかに記載の半導体集積回路。
- 前記領域は四隅が曲線をなす前記埋め込みラインで囲まれていることを特徴とする請求項4に記載の半導体集積回路。
- 前記交わる部分における前記埋め込みラインが折れ線部分を含むとき、前記折れ線部分は、24角形以上の多角形の辺の一部であることを特徴とする請求項1から5のいずれかに記載の半導体集積回路。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006292089A JP5431638B2 (ja) | 2006-10-27 | 2006-10-27 | 半導体集積回路 |
US11/923,132 US20080099874A1 (en) | 2006-10-27 | 2007-10-24 | Semiconductor integrated circuit capable of realizing reduction in size |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2006292089A JP5431638B2 (ja) | 2006-10-27 | 2006-10-27 | 半導体集積回路 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2008109000A JP2008109000A (ja) | 2008-05-08 |
JP5431638B2 true JP5431638B2 (ja) | 2014-03-05 |
Family
ID=39329123
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2006292089A Active JP5431638B2 (ja) | 2006-10-27 | 2006-10-27 | 半導体集積回路 |
Country Status (2)
Country | Link |
---|---|
US (1) | US20080099874A1 (ja) |
JP (1) | JP5431638B2 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5679626B2 (ja) * | 2008-07-07 | 2015-03-04 | セイコーインスツル株式会社 | 半導体装置 |
KR101534823B1 (ko) * | 2008-11-28 | 2015-07-09 | 삼성전자주식회사 | 이미지 센서 및 이를 포함하는 이미지 센싱 시스템 |
US8487351B2 (en) * | 2008-11-28 | 2013-07-16 | Samsung Electronics Co., Ltd. | Image sensor and image sensing system including the same |
US20100181639A1 (en) * | 2009-01-19 | 2010-07-22 | Vanguard International Semiconductor Corporation | Semiconductor devices and fabrication methods thereof |
FR3046291B1 (fr) * | 2015-12-24 | 2018-02-16 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Circuit electronique comprenant des tranchees d'isolation electrique |
JP7429150B2 (ja) | 2020-04-09 | 2024-02-07 | ローム株式会社 | 半導体装置 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5094973A (en) * | 1987-11-23 | 1992-03-10 | Texas Instrument Incorporated | Trench pillar for wafer processing |
EP0317786A3 (en) * | 1987-11-23 | 1991-01-16 | Texas Instruments Incorporated | Constant width trench for wafer processing |
US5072266A (en) * | 1988-12-27 | 1991-12-10 | Siliconix Incorporated | Trench DMOS power transistor with field-shaping body profile and three-dimensional geometry |
JPH0810691B2 (ja) * | 1989-12-27 | 1996-01-31 | 株式会社東芝 | 異形状の素子分離領域の接合構造を有する半導体装置 |
JPH0563073A (ja) * | 1991-08-30 | 1993-03-12 | Hitachi Ltd | 半導体集積回路及びその製造方法 |
JP3141621B2 (ja) * | 1993-05-27 | 2001-03-05 | 富士電機株式会社 | 誘電体分離構造を備えた半導体基板 |
DE102005059035B4 (de) * | 2005-12-10 | 2007-11-08 | X-Fab Semiconductor Foundries Ag | Isolationsgrabenstrukturen für hohe Spannungen |
-
2006
- 2006-10-27 JP JP2006292089A patent/JP5431638B2/ja active Active
-
2007
- 2007-10-24 US US11/923,132 patent/US20080099874A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
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US20080099874A1 (en) | 2008-05-01 |
JP2008109000A (ja) | 2008-05-08 |
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