JP2009544156A - 誘電体空隙を有する相互接続構造体 - Google Patents
誘電体空隙を有する相互接続構造体 Download PDFInfo
- Publication number
- JP2009544156A JP2009544156A JP2009519628A JP2009519628A JP2009544156A JP 2009544156 A JP2009544156 A JP 2009544156A JP 2009519628 A JP2009519628 A JP 2009519628A JP 2009519628 A JP2009519628 A JP 2009519628A JP 2009544156 A JP2009544156 A JP 2009544156A
- Authority
- JP
- Japan
- Prior art keywords
- layer
- dielectric
- phase
- photoresist
- cap layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 64
- 238000000034 method Methods 0.000 claims abstract description 62
- 229920002120 photoresistant polymer Polymers 0.000 claims abstract description 42
- 239000011800 void material Substances 0.000 claims abstract description 25
- 239000003989 dielectric material Substances 0.000 claims description 22
- 239000012212 insulator Substances 0.000 claims description 16
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 10
- 238000000151 deposition Methods 0.000 claims description 10
- 229910052763 palladium Inorganic materials 0.000 claims description 5
- 239000004065 semiconductor Substances 0.000 claims description 5
- 239000000377 silicon dioxide Substances 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000005660 hydrophilic surface Effects 0.000 claims description 4
- 150000001408 amides Chemical class 0.000 claims description 3
- 150000001412 amines Chemical class 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 3
- 150000001282 organosilanes Chemical class 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 229910052707 ruthenium Inorganic materials 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 229910016570 AlCu Inorganic materials 0.000 claims description 2
- 229910000531 Co alloy Inorganic materials 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 230000005661 hydrophobic surface Effects 0.000 claims description 2
- 229910052698 phosphorus Inorganic materials 0.000 claims description 2
- 229910052718 tin Inorganic materials 0.000 claims description 2
- 229910052721 tungsten Inorganic materials 0.000 claims description 2
- 150000001299 aldehydes Chemical class 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 20
- 239000010410 layer Substances 0.000 description 58
- 238000005191 phase separation Methods 0.000 description 9
- 238000001020 plasma etching Methods 0.000 description 7
- 230000008021 deposition Effects 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 description 4
- 238000003848 UV Light-Curing Methods 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000005530 etching Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 2
- 230000002209 hydrophobic effect Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 238000012876 topography Methods 0.000 description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 description 2
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- -1 CoSnP Substances 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005389 semiconductor device fabrication Methods 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- PQDJYEQOELDLCP-UHFFFAOYSA-N trimethylsilane Chemical compound C[SiH](C)C PQDJYEQOELDLCP-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Images
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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/7682—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing the dielectric comprising air gaps
-
- 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
- H01L21/768—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics
- H01L21/76801—Applying interconnections to be used for carrying current between separate components within a device comprising conductors and dielectrics characterised by the formation and the after-treatment of the dielectrics, e.g. smoothing
- H01L21/76835—Combinations of two or more different dielectric layers having a low dielectric constant
Landscapes
- 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)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Drying Of Semiconductors (AREA)
Abstract
【解決手段】 多相フォトレジスト材料を用いて誘電体層内部に空隙を形成することにより改善された性能及びキャパシタンスを有する相互接続構造体が提供される。相互接続構造部は、相互接続構造部の周りの誘電体層の部分の中に円柱状空隙構造体を有する誘電体層内に埋め込まれる。相互接続構造部はまた、生成される異なる誘電率を有する2つ又は複数の相を有する誘電体内に埋め込むこともできる。この相互接続構造体は現行の後工程プロセスに適合する。
【選択図】 図7
Description
本発明の別の目的は、これらの改善を、新規又は新型の多孔質誘電体材料を用いずに、現在のBEOLプロセスと適合する仕方でもたらすことである。
202:導電性相互接続部
203:第2層材料(ハードマスク)
204:露出表面
211:キャップ層
221:2相フォトレジスト材料(多相フォトレジスト材料)
231:第1相(A)
232:第2相(B)
240:円柱状空隙構造体
241:2k誘電体材料
251:第2絶縁体層(低k材料)
252:堆積第2絶縁体
Claims (23)
- 相互接続構造体を形成する方法であって、
基板上に堆積させた第1誘電体層(201)の中に埋め込まれ、パターン付けされた露出相互接続領域(204)を有する、相互接続構造部(202)を形成することと、
前記露出相互接続領域(204)の周りの前記第1誘電体層(201)の部分の上に第2層材料(203)を形成することと、
前記露出相互接続領域(204)の上にキャップ層(211)を形成することと、
前記第2層材料(203)及び前記キャップ層(211)の上に多相フォトレジスト(221)を堆積させることと、
前記第2層材料(203)に接触する前記多相フォトレジスト(221)の部分を相分離して異相材料のパターンを形成することと、
を含む前記方法。 - 前記露出相互接続領域(204)の周りの前記第1誘電体層(201)の前記部分の内部に円柱状空隙(240)を形成すること、並びにRIEプロセスにより前記多相フォトレジスト(221)及び前記第2層材料(203)を除去することをさらに含む、請求項1に記載の方法。
- 前記異相材料のパターン及び前記キャップ層(211)の上に第2誘電体材料(251)を堆積させることをさらに含む、請求項2に記載の方法。
- 前記第2層材料(203)は親水性表面を有する、請求項1に記載の方法。
- 前記第2層材料(203)は20Åから800Åまでの厚さを有する、請求項1に記載の方法。
- 前記第2層材料(203)は誘電体である、請求項1に記載の方法。
- 前記第2層材料(203)は絶縁体である、請求項1に記載の方法。
- 前記第2層材料(203)は半導体である、請求項1に記載の方法。
- 前記相互接続構造部(202)は、Cu、Al、AlCu及びWから成る群から選択される材料を含む、請求項1に記載の方法。
- 前記第1誘電体層(201)は低誘電率材料である、請求項1に記載の方法。
- 前記第1誘電体層(201)は、500Åから10,000Åまでの厚さを有する、請求項1に記載の方法。
- 前記キャップ層(211)は、W、P、B、Sn、及びPdから成る群から選択される材料を含むCo合金である、請求項1に記載の方法。
- 前記キャップ層(211)は、50Åから300Åまでの厚さを有する、請求項12に記載の方法。
- 前記キャップ層(211)材料は、CoSnP、Pd、及びRuから成る群から選択される、請求項1に記載の方法。
- 前記キャップ層(211)は疎水性表面を有する、請求項1に記載の方法。
- 前記多相フォトレジスト(221)は、第1相(A)フォトレジスト(231)と第2相(B)フォトレジスト(232)を有する2相フォトレジストである、請求項1に記載の方法。
- 前記2相フォトレジスト(221)は50Åから1000Åまでの厚さを有する、請求項16に記載の方法。
- 前記第1相(A)フォトレジスト(231)は、シリカ、有機シラン、並びに、アミン、アミド、アルデヒド及びヒドロキシから成る群から選択される材料を含み、前記第2相(B)フォトレジスト(232)はポリマーである、請求項16に記載の方法。
- 前記第2相(B)フォトレジスト(232)は、前記第1相(A)フォトレジスト(231)よりも高いエッチング耐性を有する、請求項16に記載の方法。
- 前記第1相(A)フォトレジスト(231)を除去するステップをさらに含む、請求項16に記載の方法。
- 前記第2誘電体材料(251)は低誘電率材料である、請求項3に記載の方法。
- 第1誘電体層(201)の内部に埋め込まれ、パターン付けされた露出相互接続領域(204)を有する相互接続構造部(202)と、
前記露出相互接続領域(204)の上のキャップ層(211)と、
前記露出相互接続領域(204)の周りの前記第1誘電体層(201)の部分の中の円柱状空隙構造体(240)と、
前記円柱状空隙構造体(240)及び前記キャップ層(211)の上の第2誘電体材料(251)と、
を含む相互接続構造体。 - 第1誘電体層(201)の内部に埋め込まれ、パターン付けされた露出相互接続領域(204)を有する相互接続構造部(202)と、
前記露出相互接続領域(204)の上のキャップ層(211)と、
前記露出相互接続領域(204)の周りの前記第1誘電体層(201)の部分の中の2k誘電体材料(241)構造体と、
前記2k誘電体材料(241)構造体及び前記キャップ層(211)の上の第2誘電体材料(251)と、
を含む相互接続構造体。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/456,721 US7396757B2 (en) | 2006-07-11 | 2006-07-11 | Interconnect structure with dielectric air gaps |
US11/456,721 | 2006-07-11 | ||
PCT/US2007/073128 WO2008008758A2 (en) | 2006-07-11 | 2007-07-10 | An interconnect structure with dielectric air gaps |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009544156A true JP2009544156A (ja) | 2009-12-10 |
JP5306196B2 JP5306196B2 (ja) | 2013-10-02 |
Family
ID=38924084
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009519628A Expired - Fee Related JP5306196B2 (ja) | 2006-07-11 | 2007-07-10 | 誘電体空隙を有する相互接続構造体 |
Country Status (7)
Country | Link |
---|---|
US (2) | US7396757B2 (ja) |
EP (1) | EP2047505A4 (ja) |
JP (1) | JP5306196B2 (ja) |
KR (1) | KR101054709B1 (ja) |
CN (1) | CN101490825B (ja) |
TW (1) | TWI442512B (ja) |
WO (1) | WO2008008758A2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009094378A (ja) * | 2007-10-11 | 2009-04-30 | Panasonic Corp | 半導体装置及びその製造方法 |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4679193B2 (ja) * | 2005-03-22 | 2011-04-27 | 株式会社東芝 | 半導体装置の製造方法及び半導体装置 |
US7768815B2 (en) * | 2005-08-23 | 2010-08-03 | International Business Machines Corporation | Optoelectronic memory devices |
US7348280B2 (en) * | 2005-11-03 | 2008-03-25 | International Business Machines Corporation | Method for fabricating and BEOL interconnect structures with simultaneous formation of high-k and low-k dielectric regions |
US7977228B2 (en) * | 2006-06-29 | 2011-07-12 | Intel Corporation | Methods for the formation of interconnects separated by air gaps |
US7396757B2 (en) * | 2006-07-11 | 2008-07-08 | International Business Machines Corporation | Interconnect structure with dielectric air gaps |
US7566656B2 (en) * | 2006-12-22 | 2009-07-28 | Chartered Semiconductor Manufacturing, Ltd. | Method and apparatus for providing void structures |
US20080185722A1 (en) * | 2007-02-05 | 2008-08-07 | Chung-Shi Liu | Formation process of interconnect structures with air-gaps and sidewall spacers |
US20080284039A1 (en) * | 2007-05-18 | 2008-11-20 | International Business Machines Corporation | Interconnect structures with ternary patterned features generated from two lithographic processes |
FR2941324B1 (fr) * | 2009-01-22 | 2011-04-29 | Soitec Silicon On Insulator | Procede de dissolution de la couche d'oxyde dans la couronne d'une structure de type semi-conducteur sur isolant. |
US8575000B2 (en) * | 2011-07-19 | 2013-11-05 | SanDisk Technologies, Inc. | Copper interconnects separated by air gaps and method of making thereof |
CN114121785A (zh) * | 2011-11-04 | 2022-03-01 | 英特尔公司 | 形成自对准帽的方法和设备 |
KR102306796B1 (ko) | 2011-11-04 | 2021-09-30 | 인텔 코포레이션 | 자기 정렬 캡의 형성 방법 및 장치 |
US8519516B1 (en) * | 2012-03-12 | 2013-08-27 | Micron Technology, Inc. | Semiconductor constructions |
US9298358B1 (en) * | 2012-08-21 | 2016-03-29 | Google Inc. | Scrollable notifications |
US9305836B1 (en) * | 2014-11-10 | 2016-04-05 | International Business Machines Corporation | Air gap semiconductor structure with selective cap bilayer |
US9865673B2 (en) * | 2015-03-24 | 2018-01-09 | International Business Machines Corporation | High resistivity soft magnetic material for miniaturized power converter |
US9859212B1 (en) | 2016-07-12 | 2018-01-02 | International Business Machines Corporation | Multi-level air gap formation in dual-damascene structure |
JP6861567B2 (ja) * | 2017-04-19 | 2021-04-21 | 矢崎総業株式会社 | 車両用回路体 |
KR102594413B1 (ko) * | 2018-03-30 | 2023-10-27 | 삼성전자주식회사 | 반도체 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11251428A (ja) * | 1997-12-31 | 1999-09-17 | Lg Semicon Co Ltd | 半導体デバイスの配線構造及び形成方法 |
US6387818B1 (en) * | 2000-07-21 | 2002-05-14 | Advanced Micro Devices, Inc. | Method of porous dielectric formation with anodic template |
JP2005217420A (ja) * | 2004-01-30 | 2005-08-11 | Internatl Business Mach Corp <Ibm> | 低い有効誘電率を有する半導体デバイス及びその製造方法 |
JP2006511955A (ja) * | 2002-12-20 | 2006-04-06 | フリースケール セミコンダクター インコーポレイテッド | 半導体装置の形成方法およびその構造 |
Family Cites Families (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5461003A (en) * | 1994-05-27 | 1995-10-24 | Texas Instruments Incorporated | Multilevel interconnect structure with air gaps formed between metal leads |
US5949143A (en) | 1998-01-22 | 1999-09-07 | Advanced Micro Devices, Inc. | Semiconductor interconnect structure with air gap for reducing intralayer capacitance in metal layers in damascene metalization process |
US6104077A (en) | 1998-04-14 | 2000-08-15 | Advanced Micro Devices, Inc. | Semiconductor device having gate electrode with a sidewall air gap |
US6081988A (en) * | 1998-04-30 | 2000-07-04 | Lockheed Martin Corp. | Fabrication of a circuit module with a coaxial transmission line |
US6140200A (en) * | 1998-09-02 | 2000-10-31 | Micron Technology, Inc. | Methods of forming void regions dielectric regions and capacitor constructions |
US6251798B1 (en) * | 1999-07-26 | 2001-06-26 | Chartered Semiconductor Manufacturing Company | Formation of air gap structures for inter-metal dielectric application |
US6440839B1 (en) | 1999-08-18 | 2002-08-27 | Advanced Micro Devices, Inc. | Selective air gap insulation |
US6329279B1 (en) | 2000-03-20 | 2001-12-11 | United Microelectronics Corp. | Method of fabricating metal interconnect structure having outer air spacer |
US6432811B1 (en) * | 2000-12-20 | 2002-08-13 | Intel Corporation | Method of forming structural reinforcement of highly porous low k dielectric films by Cu diffusion barrier structures |
TW476135B (en) | 2001-01-09 | 2002-02-11 | United Microelectronics Corp | Manufacture of semiconductor with air gap |
US6448177B1 (en) * | 2001-03-27 | 2002-09-10 | Intle Corporation | Method of making a semiconductor device having a dual damascene interconnect spaced from a support structure |
US20040023253A1 (en) * | 2001-06-11 | 2004-02-05 | Sandeep Kunwar | Device structure for closely spaced electrodes |
US6472266B1 (en) * | 2001-06-18 | 2002-10-29 | Taiwan Semiconductor Manufacturing Company | Method to reduce bit line capacitance in cub drams |
JP3481222B2 (ja) * | 2001-09-07 | 2003-12-22 | 松下電器産業株式会社 | 配線構造及びその設計方法 |
US6528409B1 (en) * | 2002-04-29 | 2003-03-04 | Advanced Micro Devices, Inc. | Interconnect structure formed in porous dielectric material with minimized degradation and electromigration |
US6780753B2 (en) | 2002-05-31 | 2004-08-24 | Applied Materials Inc. | Airgap for semiconductor devices |
US6753250B1 (en) * | 2002-06-12 | 2004-06-22 | Novellus Systems, Inc. | Method of fabricating low dielectric constant dielectric films |
DE10238024B4 (de) * | 2002-08-20 | 2007-03-08 | Infineon Technologies Ag | Verfahren zur Integration von Luft als Dielektrikum in Halbleitervorrichtungen |
US6861332B2 (en) | 2002-11-21 | 2005-03-01 | Intel Corporation | Air gap interconnect method |
US6924222B2 (en) * | 2002-11-21 | 2005-08-02 | Intel Corporation | Formation of interconnect structures by removing sacrificial material with supercritical carbon dioxide |
US6930034B2 (en) * | 2002-12-27 | 2005-08-16 | International Business Machines Corporation | Robust ultra-low k interconnect structures using bridge-then-metallization fabrication sequence |
US7361991B2 (en) | 2003-09-19 | 2008-04-22 | International Business Machines Corporation | Closed air gap interconnect structure |
US7268432B2 (en) * | 2003-10-10 | 2007-09-11 | International Business Machines Corporation | Interconnect structures with engineered dielectrics with nanocolumnar porosity |
US7071091B2 (en) * | 2004-04-20 | 2006-07-04 | Intel Corporation | Method of forming air gaps in a dielectric material using a sacrificial film |
US7094689B2 (en) | 2004-07-20 | 2006-08-22 | Taiwan Semiconductor Manufacturing Co., Ltd. | Air gap interconnect structure and method thereof |
US7294568B2 (en) * | 2004-08-20 | 2007-11-13 | Intel Corporation | Formation of air gaps in an interconnect structure using a thin permeable hard mask and resulting structures |
US7348280B2 (en) * | 2005-11-03 | 2008-03-25 | International Business Machines Corporation | Method for fabricating and BEOL interconnect structures with simultaneous formation of high-k and low-k dielectric regions |
US7396757B2 (en) * | 2006-07-11 | 2008-07-08 | International Business Machines Corporation | Interconnect structure with dielectric air gaps |
-
2006
- 2006-07-11 US US11/456,721 patent/US7396757B2/en not_active Expired - Fee Related
-
2007
- 2007-06-29 TW TW096123868A patent/TWI442512B/zh not_active IP Right Cessation
- 2007-07-10 CN CN2007800262888A patent/CN101490825B/zh not_active Expired - Fee Related
- 2007-07-10 WO PCT/US2007/073128 patent/WO2008008758A2/en active Application Filing
- 2007-07-10 JP JP2009519628A patent/JP5306196B2/ja not_active Expired - Fee Related
- 2007-07-10 KR KR1020097001425A patent/KR101054709B1/ko not_active IP Right Cessation
- 2007-07-10 EP EP07840384A patent/EP2047505A4/en not_active Withdrawn
-
2008
- 2008-05-23 US US12/125,971 patent/US7595554B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11251428A (ja) * | 1997-12-31 | 1999-09-17 | Lg Semicon Co Ltd | 半導体デバイスの配線構造及び形成方法 |
US6387818B1 (en) * | 2000-07-21 | 2002-05-14 | Advanced Micro Devices, Inc. | Method of porous dielectric formation with anodic template |
JP2006511955A (ja) * | 2002-12-20 | 2006-04-06 | フリースケール セミコンダクター インコーポレイテッド | 半導体装置の形成方法およびその構造 |
JP2005217420A (ja) * | 2004-01-30 | 2005-08-11 | Internatl Business Mach Corp <Ibm> | 低い有効誘電率を有する半導体デバイス及びその製造方法 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009094378A (ja) * | 2007-10-11 | 2009-04-30 | Panasonic Corp | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
EP2047505A4 (en) | 2011-10-05 |
US20080217731A1 (en) | 2008-09-11 |
TW200810020A (en) | 2008-02-16 |
US20080014731A1 (en) | 2008-01-17 |
JP5306196B2 (ja) | 2013-10-02 |
US7396757B2 (en) | 2008-07-08 |
TWI442512B (zh) | 2014-06-21 |
KR101054709B1 (ko) | 2011-08-05 |
WO2008008758A2 (en) | 2008-01-17 |
CN101490825A (zh) | 2009-07-22 |
CN101490825B (zh) | 2012-07-04 |
WO2008008758A3 (en) | 2008-05-08 |
EP2047505A2 (en) | 2009-04-15 |
KR20090033450A (ko) | 2009-04-03 |
US7595554B2 (en) | 2009-09-29 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5306196B2 (ja) | 誘電体空隙を有する相互接続構造体 | |
US7560375B2 (en) | Gas dielectric structure forming methods | |
JP5255292B2 (ja) | 2層金属キャップを有する相互接続構造体及びその製造方法 | |
US8466056B2 (en) | Method of forming metal interconnect structures in ultra low-k dielectrics | |
KR100800360B1 (ko) | 저 용량 배선용 조정 가능한 자기 정렬 에어 갭 유전체 | |
US7078352B2 (en) | Methods for selective integration of airgaps and devices made by such methods | |
US7348280B2 (en) | Method for fabricating and BEOL interconnect structures with simultaneous formation of high-k and low-k dielectric regions | |
TW200415747A (en) | Air gap dual damascene process and structure | |
US20100040982A1 (en) | Method for forming an opening | |
JP5305651B2 (ja) | 回路の配線構造および集積回路の配線構造の製作方法 | |
US20020145201A1 (en) | Method and apparatus for making air gap insulation for semiconductor devices | |
US8431485B2 (en) | Manufacturing method for a buried circuit structure | |
KR20010030170A (ko) | 이중 물결무늬 구조를 포함하는 집적회로 제조방법 | |
US20080122104A1 (en) | Damascene interconnect structure having air gaps between metal lines and method for fabricating the same | |
KR100571391B1 (ko) | 반도체 소자의 금속 배선 구조의 제조 방법 | |
US7300879B2 (en) | Methods of fabricating metal wiring in semiconductor devices | |
JP2003115534A (ja) | 半導体装置の製造方法 | |
US20020072217A1 (en) | Method for improving contact reliability in semiconductor devices | |
US20090072402A1 (en) | Semiconductor device and method of fabricating the same | |
JPH0917860A (ja) | 半導体素子における配線構造とその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20100421 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20121030 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130128 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20130219 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130517 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20130604 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20130625 |
|
R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
LAPS | Cancellation because of no payment of annual fees |