JP4080972B2 - 銅配線用のアモルファス・バリア層を有する半導体デバイスおよびその製造方法 - Google Patents
銅配線用のアモルファス・バリア層を有する半導体デバイスおよびその製造方法 Download PDFInfo
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- 230000004888 barrier function Effects 0.000 title claims description 47
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims description 35
- 229910052802 copper Inorganic materials 0.000 title claims description 34
- 239000010949 copper Substances 0.000 title claims description 34
- 239000004065 semiconductor Substances 0.000 title claims description 27
- 238000004519 manufacturing process Methods 0.000 title claims description 5
- 239000012212 insulator Substances 0.000 claims description 41
- RVSGESPTHDDNTH-UHFFFAOYSA-N alumane;tantalum Chemical compound [AlH3].[Ta] RVSGESPTHDDNTH-UHFFFAOYSA-N 0.000 claims description 28
- 150000001875 compounds Chemical class 0.000 claims description 23
- 229910052715 tantalum Inorganic materials 0.000 claims description 16
- FQQOMPOPYZIROF-UHFFFAOYSA-N cyclopenta-2,4-dien-1-one Chemical group O=C1C=CC=C1 FQQOMPOPYZIROF-UHFFFAOYSA-N 0.000 claims description 14
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 claims description 14
- 239000011368 organic material Substances 0.000 claims description 12
- 125000003118 aryl group Chemical group 0.000 claims description 7
- 238000009713 electroplating Methods 0.000 claims description 7
- 229910004200 TaSiN Inorganic materials 0.000 claims description 5
- 229910008482 TiSiN Inorganic materials 0.000 claims description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- 229910008807 WSiN Inorganic materials 0.000 claims description 5
- QRXWMOHMRWLFEY-UHFFFAOYSA-N isoniazide Chemical compound NNC(=O)C1=CC=NC=C1 QRXWMOHMRWLFEY-UHFFFAOYSA-N 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 5
- 239000007795 chemical reaction product Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 22
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 15
- 239000005300 metallic glass Substances 0.000 description 12
- 229920000642 polymer Polymers 0.000 description 10
- 239000004020 conductor Substances 0.000 description 8
- 239000003870 refractory metal Substances 0.000 description 8
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 7
- 238000000151 deposition Methods 0.000 description 7
- 239000011521 glass Substances 0.000 description 7
- 239000013078 crystal Substances 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 239000010936 titanium Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 238000009792 diffusion process Methods 0.000 description 4
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000008021 deposition Effects 0.000 description 3
- 238000007747 plating Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 2
- 239000005380 borophosphosilicate glass Substances 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 229910001431 copper ion Inorganic materials 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 150000002736 metal compounds Chemical class 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 238000004544 sputter deposition Methods 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910052719 titanium Inorganic materials 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000009791 electrochemical migration reaction Methods 0.000 description 1
- 238000007772 electroless plating Methods 0.000 description 1
- 238000007765 extrusion coating Methods 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000005324 grain boundary diffusion Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 230000005012 migration Effects 0.000 description 1
- 238000013508 migration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000010943 off-gassing Methods 0.000 description 1
- 229910052763 palladium Inorganic materials 0.000 description 1
- 238000005240 physical vapour deposition Methods 0.000 description 1
- 238000005204 segregation Methods 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
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- 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
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- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76843—Barrier, adhesion or liner layers formed in openings in a dielectric
- H01L21/76846—Layer combinations
-
- 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
- H01L21/76841—Barrier, adhesion or liner layers
- H01L21/76871—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers
- H01L21/76873—Layers specifically deposited to enhance or enable the nucleation of further layers, i.e. seed layers for electroplating
-
- 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
- H01L23/53238—Additional layers associated with copper layers, e.g. adhesion, barrier, cladding layers
-
- 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
-
- 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
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/12—Passive devices, e.g. 2 terminal devices
- H01L2924/1204—Optical Diode
- H01L2924/12044—OLED
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- 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)
- Formation Of Insulating Films (AREA)
Description
(2)前記バリア層が耐熱性金属またはその化合物をさらに含む、上記(1)に記載の半導体デバイス。
(3)前記バリア層が、Ta、TaN、Ti、TiN、WN、MoN、WSiN、WSi、Nb、NbN、Cr、CrN、TaC、TaCeO2、TaSiN、もしくはTiSiN、またはそれらの混合物をさらに含む、上記(2)に記載の半導体デバイス。
(4)前記絶縁体が、2個以上のシクロペンタジエノン基を含む1種または複数種の多官能性化合物と、2個以上の芳香族アセチレン基を含む少なくとも1種の多官能性化合物との反応生成物を含み、少なくとも1種の前記多官能性化合物がアセチレン基およびシクロペンタジエノン基からなる群から選択した3個以上の基を含む、オリゴマー、非硬化ポリマー、または硬化ポリマーを含む、上記(1)に記載の半導体デバイス。
(5)前記アモルファス金属ガラスがアモルファス・タンタルアルミニウムである、上記(1)に記載の半導体デバイス。
(6)前記アモルファス・タンタルアルミニウムが約69%〜約75%の範囲のタンタルを含む、上記(5)に記載の半導体デバイス。
(7)絶縁体内の開口中の導電層であって、
銅を含み、
前記絶縁体が、2個以上のシクロペンタジエノン基を含む1種または複数種の多官能性化合物と、2個以上の芳香族アセチレン基を含む少なくとも1種の多官能性化合物との反応生成物を含み、少なくとも1種の前記多官能性化合物がアセチレン基およびシクロペンタジエノン基からなる群から選択した3個以上の基を含む、オリゴマー、非硬化ポリマー、または硬化ポリマーを含む、導電層と、
前記導電層と前記絶縁体の間に配設され、約69%〜約75%のタンタルを含むアモルファス・タンタルアルミニウムを含むバリア層とを備える、半導体デバイス。
(8)前記バリア層が、Ta、TaN、Ti、TiN、WN、MoN、WSiN、WSi、Nb、NbN、Cr、CrN、TaC、TaCeO2、TaSiN、もしくはTiSiN、またはそれらの混合物をさらに含む、上記(7)に記載の半導体デバイス。
(9)前記バリア層が、アモルファス・タンタルアルミニウム、窒化チタンおよびタンタル、または、窒化タンタル、アモルファス・タンタルアルミニウムおよびタンタルを含む、上記(8)に記載の半導体デバイス。
(10)低誘電率の有機材料を含む絶縁体中に開口を形成するステップと、
前記開口中に、アモルファス金属ガラスを含むバリア層を形成するステップと、
前記バリア層上に、銅を含む導電層を形成するステップとを含む、半導体デバイスを製作する方法。
(11)前記バリア層上にシード層を形成するステップをさらに含む、上記(10)に記載の方法。
(12)前記シード層上で電気めっきを行うことによって前記導電層を形成する、上記(11)に記載の方法。
(13)前記バリア層が耐熱性金属またはその化合物をさらに含む、上記(12)に記載の方法。
(14)前記アモルファス金属ガラスがアモルファス・タンタルアルミニウムである、上記(13)に記載の方法。
(15)前記アモルファス・タンタルアルミニウムが約69%〜約75%の範囲のタンタルを含む、上記(14)に記載の方法。
(16)前記絶縁体が、2個以上のシクロペンタジエノン基を含む1種または複数種の多官能性化合物と、2個以上の芳香族アセチレン基を含む少なくとも1種の多官能性化合物との反応生成物を含み、少なくとも1種の前記多官能性化合物がアセチレン基およびシクロペンタジエノン基からなる群から選択した3個以上の基を含む、オリゴマー、非硬化ポリマー、または硬化ポリマーを含む、上記(15)に記載の方法。
(17)前記バリア層が、アモルファス・タンタルアルミニウム、窒化チタンおよびタンタル、または、窒化タンタル、アモルファス・タンタルアルミニウムおよびタンタルを含む、上記(16)に記載の方法。
2 半導体基板
3 絶縁体
4 開口
5 バリア層
6 アモルファス・タンタルアルミニウム層
7 窒化チタン層
8 タンタル層
9 導電層
10 窒化タンタル層
Claims (2)
- 絶縁体内の開口中に導電層を備える半導体デバイスであって、
前記導電層が銅を含み、
前記絶縁体が低誘電率の有機材料を含み、前記有機材料が、2個以上のシクロペンタジエノン基を含む1種または複数種の多官能性化合物と、2個以上の芳香族アセチレン基を含む少なくとも1種の多官能性化合物との反応生成物を含み、少なくとも1種の前記多官能性化合物が、アセチレン基およびシクロペンタジエノン基からなる群から選択した3個以上の基を含み、
バリア層が前記導電層と前記絶縁体の間に形成され、前記バリア層が、アモルファス・タンタルアルミニウム層を含み、さらに、Ta、TaN、Ti、TiN、WN、MoN、WSiN、WSi、Nb、NbN、Cr、CrN、TaC、TaCeO2、TaSiN、もしくはTiSiN、またはそれらの混合物からなる追加の層を含む、
前記半導体デバイス。 - 低誘電率の有機材料を含む絶縁体中に開口を形成するステップであって、前記有機材料が、2個以上のシクロペンタジエノン基を含む1種または複数種の多官能性化合物と、2個以上の芳香族アセチレン基を含む少なくとも1種の多官能性化合物との反応生成物を含み、少なくとも1種の前記多官能性化合物が、アセチレン基およびシクロペンタジエノン基からなる群から選択した3個以上の基を含む、前記開口を形成するステップと、
前記開口中に、アモルファス・タンタルアルミニウム層を含むバリア層を形成するステップであって、前記バリア層が、さらに、Ta、TaN、Ti、TiN、WN、MoN、WSiN、WSi、Nb、NbN、Cr、CrN、TaC、TaCeO2、TaSiN、もしくはTiSiN、またはそれらの混合物からなる追加の層を含む、前記バリア層を形成するステップと、
前記バリア層上にシード層を形成するステップと、
前記シード層上に電気めっきで銅を含む導電層を形成するステップと、
を含む、半導体デバイスを製作する方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/215,121 US6800938B2 (en) | 2002-08-08 | 2002-08-08 | Semiconductor device having amorphous barrier layer for copper metallurgy |
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Publication Number | Publication Date |
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JP2004072111A JP2004072111A (ja) | 2004-03-04 |
JP4080972B2 true JP4080972B2 (ja) | 2008-04-23 |
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JP2003285435A Expired - Fee Related JP4080972B2 (ja) | 2002-08-08 | 2003-08-01 | 銅配線用のアモルファス・バリア層を有する半導体デバイスおよびその製造方法 |
Country Status (4)
Country | Link |
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US (1) | US6800938B2 (ja) |
JP (1) | JP4080972B2 (ja) |
KR (1) | KR100544545B1 (ja) |
TW (1) | TWI246190B (ja) |
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JP4005805B2 (ja) * | 2001-12-17 | 2007-11-14 | 株式会社東芝 | 半導体装置 |
US20050070097A1 (en) * | 2003-09-29 | 2005-03-31 | International Business Machines Corporation | Atomic laminates for diffusion barrier applications |
US6849541B1 (en) * | 2003-12-19 | 2005-02-01 | United Microelectronics Corp. | Method of fabricating a dual damascene copper wire |
US7323805B2 (en) * | 2004-01-28 | 2008-01-29 | Kabushiki Kaisha Toshiba | Piezoelectric thin film device and method for manufacturing the same |
JP2005347510A (ja) * | 2004-06-03 | 2005-12-15 | Matsushita Electric Ind Co Ltd | 半導体装置及びその製造方法 |
US20090022958A1 (en) * | 2007-07-19 | 2009-01-22 | Plombon John J | Amorphous metal-metalloid alloy barrier layer for ic devices |
US8736057B2 (en) | 2007-12-17 | 2014-05-27 | Nippon Mining & Metals Co., Ltd. | Substrate and manufacturing method therefor |
KR101186714B1 (ko) * | 2007-12-17 | 2012-09-27 | 닛코킨조쿠 가부시키가이샤 | 기판, 및 그 제조방법 |
CN101911257B (zh) | 2008-01-23 | 2012-03-07 | 日矿金属株式会社 | 在阻挡层上具有钌电镀层的ulsi微细配线构件 |
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JP2882380B2 (ja) * | 1996-09-05 | 1999-04-12 | 日本電気株式会社 | 半導体装置及びその製造方法 |
US5965679A (en) * | 1996-09-10 | 1999-10-12 | The Dow Chemical Company | Polyphenylene oligomers and polymers |
JP3353874B2 (ja) * | 1996-09-24 | 2002-12-03 | シャープ株式会社 | 半導体装置及びその製造方法 |
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US6461675B2 (en) | 1998-07-10 | 2002-10-08 | Cvc Products, Inc. | Method for forming a copper film on a substrate |
JP2000049116A (ja) * | 1998-07-30 | 2000-02-18 | Toshiba Corp | 半導体装置及びその製造方法 |
US6265257B1 (en) * | 1999-10-01 | 2001-07-24 | Taiwan Semiconductor Manufacturing Company | Method of making a barrier layer to protect programmable antifuse structure from damage during fabrication sequence |
JP3979791B2 (ja) * | 2000-03-08 | 2007-09-19 | 株式会社ルネサステクノロジ | 半導体装置およびその製造方法 |
US6583043B2 (en) * | 2001-07-27 | 2003-06-24 | Motorola, Inc. | Dielectric between metal structures and method therefor |
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US20040026119A1 (en) | 2004-02-12 |
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