JP4178295B2 - 銅からなる配線を有する半導体装置及びその製造方法 - Google Patents
銅からなる配線を有する半導体装置及びその製造方法 Download PDFInfo
- Publication number
- JP4178295B2 JP4178295B2 JP2004207251A JP2004207251A JP4178295B2 JP 4178295 B2 JP4178295 B2 JP 4178295B2 JP 2004207251 A JP2004207251 A JP 2004207251A JP 2004207251 A JP2004207251 A JP 2004207251A JP 4178295 B2 JP4178295 B2 JP 4178295B2
- Authority
- JP
- Japan
- Prior art keywords
- wiring
- insulating film
- conductive plug
- interlayer insulating
- plating solution
- 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.)
- Expired - Fee Related
Links
- 239000010949 copper Substances 0.000 title claims description 88
- 229910052802 copper Inorganic materials 0.000 title claims description 26
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 25
- 239000004065 semiconductor Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 20
- 239000011229 interlayer Substances 0.000 claims description 55
- 238000007747 plating Methods 0.000 claims description 52
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 34
- 239000010410 layer Substances 0.000 claims description 32
- 238000000034 method Methods 0.000 claims description 31
- 229910052799 carbon Inorganic materials 0.000 claims description 18
- 239000000460 chlorine Substances 0.000 claims description 18
- 229910052801 chlorine Inorganic materials 0.000 claims description 18
- 229910052757 nitrogen Inorganic materials 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 229910052717 sulfur Inorganic materials 0.000 claims description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 17
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 17
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 17
- 239000001301 oxygen Substances 0.000 claims description 17
- 239000011593 sulfur Substances 0.000 claims description 17
- 230000004888 barrier function Effects 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 14
- 239000002184 metal Substances 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 11
- 239000011810 insulating material Substances 0.000 claims description 8
- 239000000956 alloy Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 6
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 4
- 238000009792 diffusion process Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 description 28
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 17
- 238000011156 evaluation Methods 0.000 description 9
- 238000013508 migration Methods 0.000 description 8
- 230000005012 migration Effects 0.000 description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 8
- 239000000377 silicon dioxide Substances 0.000 description 8
- 229910010271 silicon carbide Inorganic materials 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 6
- 238000004544 sputter deposition Methods 0.000 description 6
- 238000009713 electroplating Methods 0.000 description 5
- 238000005530 etching Methods 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000005229 chemical vapour deposition Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 3
- 238000001004 secondary ion mass spectrometry Methods 0.000 description 3
- 238000001312 dry etching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NBVXSUQYWXRMNV-UHFFFAOYSA-N fluoromethane Chemical class FC NBVXSUQYWXRMNV-UHFFFAOYSA-N 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 150000002500 ions Chemical group 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
-
- 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
- H01L21/76838—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 conductors
- H01L21/76877—Filling of holes, grooves or trenches, e.g. vias, with conductive material
-
- 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
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/28—Manufacture of electrodes on semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/268
- H01L21/283—Deposition of conductive or insulating materials for electrodes conducting electric current
- H01L21/288—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition
- H01L21/2885—Deposition of conductive or insulating materials for electrodes conducting electric current from a liquid, e.g. electrolytic deposition using an external electrical current, i.e. electro-deposition
-
- 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
- H01L23/532—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 characterised by the materials
- H01L23/53204—Conductive materials
- H01L23/53209—Conductive materials based on metals, e.g. alloys, metal silicides
- H01L23/53228—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being copper
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
- Electrodes Of Semiconductors (AREA)
Description
下地基板と、
前記下地基板の上に形成された絶縁材料からなる第1の層間絶縁膜と、
前記第1の層間絶縁膜を貫通するビアホールと、
前記ビアホール内に充填された銅または銅を主成分とする合金からなる導電プラグと、
前記第1の層間絶縁膜の上に形成された絶縁材料からなる第2の層間絶縁膜と、
前記第2の層間絶縁膜に形成され、前記導電プラグ上を通過して該導電プラグの上面を露出させる配線溝と、
前記配線溝内に充填された銅または銅を主成分とする合金からなる配線と
を有し、前記導電プラグ中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が、前記配線中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計よりも低い半導体装置が提供される。
(a)下地基板の上に、絶縁材料からなる第1の層間絶縁膜を形成する工程と、
(b)前記第1の層間絶縁膜を貫通するビアホールを形成する工程と、
(c)前記ビアホール内に、めっき法により、銅からなる導電プラグを充填する工程と、
(d)前記導電プラグが充填された前記第1の層間絶縁膜の上に、絶縁材料からなる第2の層間絶縁膜を形成する工程と、
(e)前記第2の層間絶縁膜に、前記導電プラグの上面を露出させる配線溝を形成する工程と、
(f)前記工程cで用いられるめっき液とは異なるめっき液を用いて、前記配線溝内に、銅または銅を主成分とする合金からなる配線をめっき法により充填する工程と
を有し、前記工程c及びfで用いられるめっき液は、該工程fで用いられるめっき液の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が、前記工程cで用いられるめっき液の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計よりも高くなるように選択されている半導体装置の製造方法が提供される。
図1に示した素子分離絶縁膜2、MOSトランジスタ3、層間絶縁膜10、保護膜11、バリアメタル層12、及び導電プラグ13は、周知のフォトリソグラフィ、エッチング、化学気相成長(CVD)、化学機械研磨(CMP)等により形成することができる。
図2(D)に示すように、層間絶縁膜21の上に、SiCからなるキャップ膜25とポーラスシリカからなる層間絶縁膜26を形成する。これらの膜の形成方法は、その下のキャップ膜20及び層間絶縁膜21の形成方法と同じである。
上記実施例では、導電プラグを形成するためのめっき液中の不純物の原子濃度を、配線を形成するためのめっき液中の不純物の原子濃度よりも低くすることにより、導電プラグの不純物濃度を配線の不純物濃度よりも低くした。その他に、同じめっき液を用いて、電解めっき中における電流の大きさを変えることによっても、めっきされた銅の不純物濃度を調節することができるであろう。
2 素子分離絶縁膜
3 MOSトランジスタ
10、15、21、26、31 層間絶縁膜
11 保護膜
12、16、22、27、32 バリアメタル層
13、23 導電プラグ
17、28、33 配線
18 下地基板
20、25、30 キャップ膜
40 ビアホール
41 配線溝
Claims (7)
- 下地基板と、
前記下地基板の上に形成された絶縁材料からなる第1の層間絶縁膜と、
前記第1の層間絶縁膜を貫通するビアホールと、
前記ビアホール内に充填された銅または銅を主成分とする合金からなる導電プラグと、
前記第1の層間絶縁膜の上に形成された絶縁材料からなる第2の層間絶縁膜と、
前記第2の層間絶縁膜に形成され、前記導電プラグ上を通過して該導電プラグの上面を露出させる配線溝と、
前記配線溝内に充填された銅または銅を主成分とする合金からなる配線と
を有し、前記導電プラグ中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が、前記配線中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計よりも低い半導体装置。 - 前記配線溝の内面と前記配線との間に、銅の拡散を防止するバリアメタル層が配置されており、該バリアメタル層は、前記配線と前記導電プラグとの間にも配置されている請求項1に記載の半導体装置。
- 前記導電プラグ中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が、前記配線中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計の1/10以下である請求項1または2に記載の半導体装置。
- 前記導電プラグ中の前記原子濃度の合計が1×1019cm−3よりも低く、前記配線中の前記原子濃度の合計が1×1019cm−3よりも高い請求項1〜3のいずれかに記載の半導体装置。
- (a)下地基板の上に、絶縁材料からなる第1の層間絶縁膜を形成する工程と、
(b)前記第1の層間絶縁膜を貫通するビアホールを形成する工程と、
(c)前記ビアホール内に、めっき法により、銅からなる導電プラグを充填する工程と、
(d)前記導電プラグが充填された前記第1の層間絶縁膜の上に、絶縁材料からなる第2の層間絶縁膜を形成する工程と、
(e)前記第2の層間絶縁膜に、前記導電プラグの上面を露出させる配線溝を形成する工程と、
(f)前記工程cで用いられるめっき液とは異なるめっき液を用いて、前記配線溝内に、銅または銅を主成分とする合金からなる配線をめっき法により充填する工程と
を有し、前記工程c及びfで用いられるめっき液は、該工程fで用いられるめっき液の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が、前記工程cで用いられるめっき液の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計よりも高くなるように選択されている半導体装置の製造方法。 - 前記工程c及び工程fで用いられるめっき液は、前記導電プラグ中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が、前記配線中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計の1/10以下になるように選択されている請求項5に記載の半導体装置の製造方法。
- 前記工程c及び工程fで用いられるめっき液は、前記導電プラグ中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が1×1019cm−3よりも低く、前記配線中の炭素、酸素、窒素、硫黄、及び塩素の原子濃度の合計が1×1019cm−3よりも高くなるように選択されている請求項5または6に記載の半導体装置の製造方法。
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004207251A JP4178295B2 (ja) | 2004-07-14 | 2004-07-14 | 銅からなる配線を有する半導体装置及びその製造方法 |
US10/995,082 US7205667B2 (en) | 2004-07-14 | 2004-11-23 | Semiconductor device having copper wiring |
TW094119613A TWI302347B (en) | 2004-07-14 | 2005-06-14 | Semiconductor device having copper wiring and its manufacture method |
KR1020050051727A KR100662071B1 (ko) | 2004-07-14 | 2005-06-16 | 구리로 이루어지는 배선을 갖는 반도체 장치 및 그 제조방법 |
CNB2005100822399A CN100420008C (zh) | 2004-07-14 | 2005-07-01 | 具有铜布线的半导体器件及其制造方法 |
EP05254190.1A EP1617469B1 (en) | 2004-07-14 | 2005-07-04 | Semiconductor device having copper wiring and its manufacturing method |
US11/714,886 US7871924B2 (en) | 2004-07-14 | 2007-03-07 | Semiconductor device having copper wiring |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004207251A JP4178295B2 (ja) | 2004-07-14 | 2004-07-14 | 銅からなる配線を有する半導体装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006032545A JP2006032545A (ja) | 2006-02-02 |
JP4178295B2 true JP4178295B2 (ja) | 2008-11-12 |
Family
ID=35106911
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004207251A Expired - Fee Related JP4178295B2 (ja) | 2004-07-14 | 2004-07-14 | 銅からなる配線を有する半導体装置及びその製造方法 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7205667B2 (ja) |
EP (1) | EP1617469B1 (ja) |
JP (1) | JP4178295B2 (ja) |
KR (1) | KR100662071B1 (ja) |
CN (1) | CN100420008C (ja) |
TW (1) | TWI302347B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007027259A (ja) * | 2005-07-13 | 2007-02-01 | Fujitsu Ltd | 半導体装置の製造方法及び半導体装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7345343B2 (en) * | 2005-08-02 | 2008-03-18 | Texas Instruments Incorporated | Integrated circuit having a top side wafer contact and a method of manufacture therefor |
JP4485466B2 (ja) * | 2005-12-27 | 2010-06-23 | 株式会社神戸製鋼所 | 半導体装置の配線用金属薄膜及び半導体装置用配線 |
JP4676350B2 (ja) * | 2006-02-14 | 2011-04-27 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
US20070257323A1 (en) * | 2006-05-05 | 2007-11-08 | Taiwan Semiconductor Manufacturing Co., Ltd. | Stacked contact structure and method of fabricating the same |
WO2008084524A1 (ja) | 2007-01-09 | 2008-07-17 | Fujitsu Microelectronics Limited | 半導体装置の製造方法、および半導体装置の製造装置 |
WO2008107962A1 (ja) * | 2007-03-05 | 2008-09-12 | Fujitsu Microelectronics Limited | 半導体装置の評価方法 |
US7964934B1 (en) | 2007-05-22 | 2011-06-21 | National Semiconductor Corporation | Fuse target and method of forming the fuse target in a copper process flow |
US8030733B1 (en) | 2007-05-22 | 2011-10-04 | National Semiconductor Corporation | Copper-compatible fuse target |
JP5180598B2 (ja) * | 2008-01-21 | 2013-04-10 | ルネサスエレクトロニクス株式会社 | 半導体装置およびその製造方法 |
CN102067293B (zh) * | 2008-06-18 | 2013-07-03 | 富士通株式会社 | 半导体器件及其制造方法 |
US7709956B2 (en) * | 2008-09-15 | 2010-05-04 | National Semiconductor Corporation | Copper-topped interconnect structure that has thin and thick copper traces and method of forming the copper-topped interconnect structure |
US8237288B1 (en) | 2011-02-09 | 2012-08-07 | International Business Machines Corporation | Enhanced electromigration resistance in TSV structure and design |
JP5857615B2 (ja) * | 2011-10-17 | 2016-02-10 | 富士通株式会社 | 電子装置およびその製造方法 |
US8765602B2 (en) | 2012-08-30 | 2014-07-01 | International Business Machines Corporation | Doping of copper wiring structures in back end of line processing |
US9685370B2 (en) * | 2014-12-18 | 2017-06-20 | Globalfoundries Inc. | Titanium tungsten liner used with copper interconnects |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0751567B1 (en) * | 1995-06-27 | 2007-11-28 | International Business Machines Corporation | Copper alloys for chip interconnections and method of making |
US6268291B1 (en) * | 1995-12-29 | 2001-07-31 | International Business Machines Corporation | Method for forming electromigration-resistant structures by doping |
JP3526376B2 (ja) * | 1996-08-21 | 2004-05-10 | 株式会社東芝 | 半導体装置及びその製造方法 |
US6123825A (en) * | 1998-12-02 | 2000-09-26 | International Business Machines Corporation | Electromigration-resistant copper microstructure and process of making |
KR100385042B1 (ko) * | 1998-12-03 | 2003-06-18 | 인터내셔널 비지네스 머신즈 코포레이션 | 내 일렉트로 마이그레이션의 구조물을 도핑으로 형성하는 방법 |
JP2000173949A (ja) | 1998-12-09 | 2000-06-23 | Fujitsu Ltd | 半導体装置及びその製造方法並びにめっき方法及び装置 |
TW521323B (en) * | 1999-03-19 | 2003-02-21 | Tokyo Electron Ltd | Semiconductor device and the manufacturing method thereof |
JP2001089896A (ja) * | 1999-09-20 | 2001-04-03 | Hitachi Ltd | めっき方法,めっき液,半導体装置及びその製造方法 |
US6525425B1 (en) * | 2000-06-14 | 2003-02-25 | Advanced Micro Devices, Inc. | Copper interconnects with improved electromigration resistance and low resistivity |
WO2002045142A2 (en) * | 2000-11-15 | 2002-06-06 | Intel Corporation | Copper alloy interconnections for integrated circuits and methods of making same |
US6740221B2 (en) * | 2001-03-15 | 2004-05-25 | Applied Materials Inc. | Method of forming copper interconnects |
US6500749B1 (en) * | 2001-03-19 | 2002-12-31 | Taiwan Semiconductor Manufacturing Company | Method to improve copper via electromigration (EM) resistance |
JP4052868B2 (ja) * | 2002-04-26 | 2008-02-27 | Necエレクトロニクス株式会社 | 半導体装置の製造方法 |
US7074709B2 (en) | 2002-06-28 | 2006-07-11 | Texas Instruments Incorporated | Localized doping and/or alloying of metallization for increased interconnect performance |
JP2004039916A (ja) | 2002-07-04 | 2004-02-05 | Nec Electronics Corp | 半導体装置およびその製造方法 |
US6841458B2 (en) * | 2002-09-12 | 2005-01-11 | Intel Corporation | Dopant interface formation |
US20040155349A1 (en) * | 2003-01-07 | 2004-08-12 | Naofumi Nakamura | Semiconductor device and method of fabricating the same |
-
2004
- 2004-07-14 JP JP2004207251A patent/JP4178295B2/ja not_active Expired - Fee Related
- 2004-11-23 US US10/995,082 patent/US7205667B2/en active Active
-
2005
- 2005-06-14 TW TW094119613A patent/TWI302347B/zh active
- 2005-06-16 KR KR1020050051727A patent/KR100662071B1/ko active IP Right Grant
- 2005-07-01 CN CNB2005100822399A patent/CN100420008C/zh active Active
- 2005-07-04 EP EP05254190.1A patent/EP1617469B1/en not_active Expired - Fee Related
-
2007
- 2007-03-07 US US11/714,886 patent/US7871924B2/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007027259A (ja) * | 2005-07-13 | 2007-02-01 | Fujitsu Ltd | 半導体装置の製造方法及び半導体装置 |
JP4589835B2 (ja) * | 2005-07-13 | 2010-12-01 | 富士通セミコンダクター株式会社 | 半導体装置の製造方法及び半導体装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1617469A2 (en) | 2006-01-18 |
TW200605202A (en) | 2006-02-01 |
EP1617469B1 (en) | 2019-04-17 |
CN100420008C (zh) | 2008-09-17 |
KR100662071B1 (ko) | 2006-12-27 |
KR20060046461A (ko) | 2006-05-17 |
US20070161242A1 (en) | 2007-07-12 |
US7205667B2 (en) | 2007-04-17 |
US20060012046A1 (en) | 2006-01-19 |
EP1617469A3 (en) | 2011-03-16 |
CN1722428A (zh) | 2006-01-18 |
TWI302347B (en) | 2008-10-21 |
US7871924B2 (en) | 2011-01-18 |
JP2006032545A (ja) | 2006-02-02 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100662071B1 (ko) | 구리로 이루어지는 배선을 갖는 반도체 장치 및 그 제조방법 | |
JP4589835B2 (ja) | 半導体装置の製造方法及び半導体装置 | |
US9064874B2 (en) | Interconnect with titanium—oxide diffusion barrier | |
JP4523535B2 (ja) | 半導体装置の製造方法 | |
US8216940B2 (en) | Method for manufacturing a semiconductor device | |
US8004087B2 (en) | Semiconductor device with dual damascene wirings and method for manufacturing same | |
US20070132100A1 (en) | Semiconductor device and method for fabricating the same | |
US10431542B2 (en) | Low resistance seed enhancement spacers for voidless interconnect structures | |
JP4482313B2 (ja) | 半導体素子の銅配線形成方法 | |
US7728434B2 (en) | Semiconductor device and method of manufacturing the same | |
US10211279B2 (en) | Tunable resistor with curved resistor elements | |
JP2005158930A (ja) | 半導体装置およびその製造方法 | |
JP2009170665A (ja) | 半導体装置および半導体装置の製造方法 | |
JP2012039019A (ja) | 半導体装置およびその製造方法 | |
US20090137115A1 (en) | Method of manufacturing metal interconnection |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20051125 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20071129 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20071211 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080205 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20080513 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20080620 |
|
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: 20080715 |
|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
A711 | Notification of change in applicant |
Free format text: JAPANESE INTERMEDIATE CODE: A712 Effective date: 20080729 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20080808 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 4178295 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110905 Year of fee payment: 3 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110905 Year of fee payment: 3 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
S533 | Written request for registration of change of name |
Free format text: JAPANESE INTERMEDIATE CODE: R313533 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20110905 Year of fee payment: 3 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120905 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20120905 Year of fee payment: 4 |
|
FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20130905 Year of fee payment: 5 |
|
S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
LAPS | Cancellation because of no payment of annual fees |