JP4636414B2 - チタン/アルミニウム合金を用いた集積回路金属被着膜 - Google Patents
チタン/アルミニウム合金を用いた集積回路金属被着膜 Download PDFInfo
- Publication number
- JP4636414B2 JP4636414B2 JP2006250729A JP2006250729A JP4636414B2 JP 4636414 B2 JP4636414 B2 JP 4636414B2 JP 2006250729 A JP2006250729 A JP 2006250729A JP 2006250729 A JP2006250729 A JP 2006250729A JP 4636414 B2 JP4636414 B2 JP 4636414B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- integrated circuit
- titanium
- aluminum
- deposited
- 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 - Lifetime
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- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 title claims description 78
- 239000010936 titanium Substances 0.000 title claims description 78
- 229910052751 metal Inorganic materials 0.000 title claims description 38
- 239000002184 metal Substances 0.000 title claims description 38
- 229910000838 Al alloy Inorganic materials 0.000 title description 2
- 229910001069 Ti alloy Inorganic materials 0.000 title description 2
- 239000011248 coating agent Substances 0.000 title 1
- 238000000576 coating method Methods 0.000 title 1
- 229910052719 titanium Inorganic materials 0.000 claims description 76
- 229910052782 aluminium Inorganic materials 0.000 claims description 41
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 41
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 32
- 229910052710 silicon Inorganic materials 0.000 claims description 32
- 239000010703 silicon Substances 0.000 claims description 32
- 230000007847 structural defect Effects 0.000 claims description 19
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 229910045601 alloy Inorganic materials 0.000 claims description 15
- 239000000956 alloy Substances 0.000 claims description 15
- 239000012535 impurity Substances 0.000 claims description 15
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 13
- 238000000151 deposition Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 11
- 230000005693 optoelectronics Effects 0.000 claims description 9
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 239000010408 film Substances 0.000 description 27
- 238000005247 gettering Methods 0.000 description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 18
- 229910001868 water Inorganic materials 0.000 description 18
- 239000001257 hydrogen Substances 0.000 description 17
- 229910052739 hydrogen Inorganic materials 0.000 description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 16
- 239000001301 oxygen Substances 0.000 description 16
- 229910052760 oxygen Inorganic materials 0.000 description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 9
- 150000002431 hydrogen Chemical class 0.000 description 8
- 238000001465 metallisation Methods 0.000 description 8
- 239000011104 metalized film Substances 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 230000008021 deposition Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000002161 passivation Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005253 cladding Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 235000012239 silicon dioxide Nutrition 0.000 description 3
- 239000000377 silicon dioxide Substances 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 238000005275 alloying Methods 0.000 description 2
- UQZIWOQVLUASCR-UHFFFAOYSA-N alumane;titanium Chemical class [AlH3].[Ti] UQZIWOQVLUASCR-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- MAKDTFFYCIMFQP-UHFFFAOYSA-N titanium tungsten Chemical compound [Ti].[W] MAKDTFFYCIMFQP-UHFFFAOYSA-N 0.000 description 2
- -1 titanium tungsten nitride Chemical class 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 229910016570 AlCu Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910010038 TiAl Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001505 atmospheric-pressure chemical vapour deposition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000002800 charge carrier Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 238000009429 electrical wiring Methods 0.000 description 1
- 230000000415 inactivating effect Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001617 migratory effect Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000000059 patterning Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate 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
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/564—Details not otherwise provided for, e.g. protection against moisture
-
- 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
- H01L21/32051—Deposition of metallic or metal-silicide 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
- H01L21/76801—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
- H01L21/76822—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc.
- H01L21/76828—Modification of the material of dielectric layers, e.g. grading, after-treatment to improve the stability of the layers, to increase their density etc. thermal treatment
-
- 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
- H01L21/76886—Modifying permanently or temporarily the pattern or the conductivity of conductive members, e.g. formation of alloys, reduction of contact resistances
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
- H01L23/31—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the arrangement or shape
- H01L23/3157—Partial encapsulation or coating
- H01L23/3171—Partial encapsulation or coating the coating being directly applied to the semiconductor body, e.g. passivation layer
-
- 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
- H01L23/53214—Conductive materials based on metals, e.g. alloys, metal silicides the principal metal being aluminium
- H01L23/53223—Additional layers associated with aluminium 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
- H01L2924/14—Integrated circuits
- H01L2924/143—Digital devices
- H01L2924/1433—Application-specific integrated circuit [ASIC]
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
30 金属被着膜構造
32 チタン層
34 アルミニウム層
Claims (9)
- 集積回路に予め設けられた誘電体層上に配置された金属被着膜構造を有する集積回路であって、前記金属被着膜構造が、
前記予め設けられた層上に堆積されたチタン層と、
前記チタン層上に堆積された、前記アルミニウム層と少なくとも部分的に合金を形成しているアルミニウム層と、
を含んで成り、前記集積回路が、前記金属被着膜構造の形成後に400℃にて約40分間十分に加熱されており、それによって、前記誘電体層からの不純物によって、前記集積回路のシリコン層内の構造欠陥が不活性化されている、集積回路。 - 前記チタン層が、前記アルミニウム層と完全に合金を形成している、請求項1に記載の集積回路。
- 堆積された前記チタン層の厚さが、200Å以下である、請求項1に記載の集積回路。
- 更に、前記アルミニウム層上に配置された窒化チタン層を有している、請求項1に記載の集積回路。
- 前記集積回路が、フォトダイオードを備えた光電子集積回路である、請求項1に記載の集積回路。
- 集積回路の製造中に、前記集積回路に予め設けられた誘電体層上に金属被着膜構造を形成する方法であって、
前記集積回路の前記予め設けられた誘電体層上にチタン層を堆積させる工程と、
前記チタン層上にアルミニウム層を堆積させる工程と、
前記集積回路を十分に加熱して前記チタン層が前記アルミニウム層と少なくとも部分的に合金を形成するようにする工程と、
前記集積回路を400℃にて約40分間さらに加熱して、前記誘電体層からの不純物が、前記集積回路のシリコン層内の構造欠陥を不活性化するようにさせる工程と、
を包含する、方法。 - 前記チタン層の厚さが、前記集積回路の加熱の結果前記アルミニウム層と完全に合金を形成するように制限される、請求項6に記載の方法。
- 堆積された前記チタン層の厚さが、200Å以下である、請求項6に記載の方法。
- 更に、前記アルミニウム層上に窒化チタン層を堆積させる、請求項6に記載の方法。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/698,459 US6646346B1 (en) | 2000-10-27 | 2000-10-27 | Integrated circuit metallization using a titanium/aluminum alloy |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001326119A Division JP2002151515A (ja) | 2000-10-27 | 2001-10-24 | チタン/アルミニウム合金を用いた集積回路金属被着膜 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2007110103A JP2007110103A (ja) | 2007-04-26 |
JP4636414B2 true JP4636414B2 (ja) | 2011-02-23 |
Family
ID=24805338
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001326119A Pending JP2002151515A (ja) | 2000-10-27 | 2001-10-24 | チタン/アルミニウム合金を用いた集積回路金属被着膜 |
JP2006250729A Expired - Lifetime JP4636414B2 (ja) | 2000-10-27 | 2006-09-15 | チタン/アルミニウム合金を用いた集積回路金属被着膜 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001326119A Pending JP2002151515A (ja) | 2000-10-27 | 2001-10-24 | チタン/アルミニウム合金を用いた集積回路金属被着膜 |
Country Status (4)
Country | Link |
---|---|
US (2) | US6646346B1 (ja) |
JP (2) | JP2002151515A (ja) |
DE (1) | DE10152913A1 (ja) |
SG (1) | SG115421A1 (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7121997B2 (en) * | 1999-06-09 | 2006-10-17 | Ethicon, Inc. | Surgical instrument and method for treating female urinary incontinence |
US7001841B2 (en) * | 2002-08-26 | 2006-02-21 | Matsushita Electric Industrial Co., Ltd. | Production method of semiconductor device |
US8035183B2 (en) * | 2003-05-05 | 2011-10-11 | Udt Sensors, Inc. | Photodiodes with PN junction on both front and back sides |
KR20090128900A (ko) * | 2008-06-11 | 2009-12-16 | 크로스텍 캐피탈, 엘엘씨 | Coms 이미지 센서의 제조방법 |
US8399909B2 (en) | 2009-05-12 | 2013-03-19 | Osi Optoelectronics, Inc. | Tetra-lateral position sensing detector |
JP7070848B2 (ja) * | 2018-07-26 | 2022-05-18 | 住友電工デバイス・イノベーション株式会社 | 半導体装置の製造方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05267292A (ja) * | 1992-03-19 | 1993-10-15 | Fujitsu Ltd | 半導体装置の製造方法 |
JPH09289212A (ja) * | 1996-04-19 | 1997-11-04 | Ricoh Co Ltd | 半導体装置の積層配線およびその製造方法 |
JPH1174268A (ja) * | 1997-08-13 | 1999-03-16 | Internatl Business Mach Corp <Ibm> | 集積回路およびその作製方法 |
JPH11214506A (ja) * | 1998-01-20 | 1999-08-06 | Nec Corp | 半導体装置及びその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4995049A (en) * | 1990-05-29 | 1991-02-19 | Eastman Kodak Company | Optoelectronic integrated circuit |
US5747879A (en) * | 1995-09-29 | 1998-05-05 | Intel Corporation | Interface between titanium and aluminum-alloy in metal stack for integrated circuit |
US5700718A (en) * | 1996-02-05 | 1997-12-23 | Micron Technology, Inc. | Method for increased metal interconnect reliability in situ formation of titanium aluminide |
US5838052A (en) * | 1996-03-07 | 1998-11-17 | Micron Technology, Inc. | Reducing reflectivity on a semiconductor wafer by annealing titanium and aluminum |
-
2000
- 2000-10-27 US US09/698,459 patent/US6646346B1/en not_active Expired - Lifetime
-
2001
- 2001-10-19 SG SG200106489A patent/SG115421A1/en unknown
- 2001-10-24 JP JP2001326119A patent/JP2002151515A/ja active Pending
- 2001-10-26 DE DE10152913A patent/DE10152913A1/de not_active Ceased
-
2003
- 2003-08-26 US US10/648,735 patent/US6903017B2/en not_active Expired - Lifetime
-
2006
- 2006-09-15 JP JP2006250729A patent/JP4636414B2/ja not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05267292A (ja) * | 1992-03-19 | 1993-10-15 | Fujitsu Ltd | 半導体装置の製造方法 |
JPH09289212A (ja) * | 1996-04-19 | 1997-11-04 | Ricoh Co Ltd | 半導体装置の積層配線およびその製造方法 |
JPH1174268A (ja) * | 1997-08-13 | 1999-03-16 | Internatl Business Mach Corp <Ibm> | 集積回路およびその作製方法 |
JPH11214506A (ja) * | 1998-01-20 | 1999-08-06 | Nec Corp | 半導体装置及びその製造方法 |
Also Published As
Publication number | Publication date |
---|---|
US6903017B2 (en) | 2005-06-07 |
DE10152913A1 (de) | 2002-05-29 |
SG115421A1 (en) | 2005-10-28 |
JP2007110103A (ja) | 2007-04-26 |
US6646346B1 (en) | 2003-11-11 |
US20040038453A1 (en) | 2004-02-26 |
JP2002151515A (ja) | 2002-05-24 |
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