KR100215847B1 - 반도체 장치의 금속 배선 및 그의 형성 방법 - Google Patents
반도체 장치의 금속 배선 및 그의 형성 방법 Download PDFInfo
- Publication number
- KR100215847B1 KR100215847B1 KR1019960016460A KR19960016460A KR100215847B1 KR 100215847 B1 KR100215847 B1 KR 100215847B1 KR 1019960016460 A KR1019960016460 A KR 1019960016460A KR 19960016460 A KR19960016460 A KR 19960016460A KR 100215847 B1 KR100215847 B1 KR 100215847B1
- Authority
- KR
- South Korea
- Prior art keywords
- conductive line
- layer
- metal wiring
- line pattern
- semiconductor device
- 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
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—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
- H01L23/528—Layout of the interconnection structure
- H01L23/5283—Cross-sectional geometry
-
- 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
-
- 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
- H01L21/76802—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 by forming openings in 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
- H01L21/76802—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 by forming openings in dielectrics
- H01L21/76807—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 by forming openings in dielectrics for dual damascene structures
- H01L21/76808—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 by forming openings in dielectrics for dual damascene structures involving intermediate temporary filling with material
-
- 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
- H01L23/528—Layout of the interconnection structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2221/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof covered by H01L21/00
- H01L2221/10—Applying interconnections to be used for carrying current between separate components within a device
- H01L2221/1005—Formation and after-treatment of dielectrics
- H01L2221/1052—Formation of thin functional dielectric layers
- H01L2221/1057—Formation of thin functional dielectric layers in via holes or trenches
- H01L2221/1063—Sacrificial or temporary thin dielectric films in openings in a dielectric
-
- 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)
- Geometry (AREA)
- Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)
Abstract
Description
Claims (18)
- 하층 금속 배선 또는 불순물 확산 영역상에 형성되는 절연층과 ; 상기 절연층에 매립되어 하층 금속 배선 또는 불순물 확산 영역에 접속되는 접속 플러그와 ; 상기 절연층에 매립되고 접속 플러그에 연결되어 그 상측에 형성되는 제 1 전도선 패턴층과 ; 상기 제 1 전도선 패턴층의 내측에 섬(Island)형태로 최소한 하나 이상 형성되는 제 2 전도선 패턴층을 포함하여 전도선이 구성되는 것을 특징으로 하는 반도체 장치의 금속 배선.
- 제 1 항에 있어서, 접속 플러그와 제 1 전도선 패턴층은 동일한 도전성 물질로 구성되는 것을 특징으로 하는 반도체 장치의 금속 배선.
- 제 1 항에 있어서, 제 2 전도선 패턴층은 절연 물질로 구성되는 것을 특징으로 하는 반도체 장치의 금속 배선.
- 제 1 항에 있어서, 각각의 제 2 전도선 패턴층간의 간격은 접속 플러그와 그상측의 제 1 전도선 패턴층의 너비의 차이보다 작거나 같은 것을 특징으로 하는 반도체 장치의 금속 배선.
- 기판상에 절연층, 제 1 식각 저지막을 형성하는 공정과, 상기 제 1 식각 저지막, 절연층을 선택적으로 제거하여 제 1 트랜치를 형성하고 전면에 제 2 식각 저지막을 형성하는 공정과, 상기 제 2 식각 저지막을 상기 제 1 트랜치의 측면에만 남도록 에치백하는 공정과, 상기 제 1,2 식각 저지막을 마스크로 하여 상기 제 1 트랜치의 바닥면 절연층을 식각하여 제 1트랜치보다 좁은 면적을 갖는 제 2 트렌치를 형성하는 공정과, 제 1,2 식각 저지막을 제거하고 상기 제 1,2 트랜치에 접속 플러그 및 제 1 전도선 패턴층, 제 2 전도선 패턴층으로 이루어져 매립되는 금속 배선층을 형성하는 공정을 포함하여 이루어지는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 제 1 식각 저지막은 절연층과 식각 선택성이 있는 산화막 또는 질화막을 사용하여 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 제 2 식각 저지막은 절연층과 식각 선택성이 있는 산화막 또는 질화막의 어느 하나를 사용하여 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 접속 플러그 상측을 제외한 부분의 제 1 트렌치에는 제 2 식각 저지막의 에치백 공정후에도 제 2 식각 저지막이 남아 있도록 하여 제 2 트렌치를 형성하기 위한 절연층의 식각 공정시에도 절연층이 식각되지 않도록하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 접속 플러그 상측을 제외한 부분의 제 1 트렌치에 제 1 전도선 패턴층을 형성하고 제 1 전도선 패턴층내에 그와 다른 물질로 이루어진 제 2 전도선 패턴층을 최소한 하는 이상 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 9 항에 있어서, 각각의 제 2 전도선 패턴층간의 형성 간격은 제 1 트렌치와 제 2 트렌치의 너비의 차이보다 좁거나 같도록 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 9 항에 있어서, 제 2 전도선 패턴층은 절연 물질을사용하여 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 제 1 전도선 패턴층은 AI, Ag, Cu등의 금속 물질 또는 이들의 합금 물질 또는 이들의 적층막의 어느 하나를 사용하여 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 제 2 식각 저지막의 에치백 공정에서는 접속 플러그가 형성될 부분은 절연층이 노출되도록 하고, 그 이외의 제 1 트렌치에는 절연층이 노출되지 않게 제 2 식각 저막이 남도록 하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 5 항에 있어서, 제 1 전도선 패턴층은 절연층과 동일 높이로 형성하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 14 항에 있어서, 제 1 전도선 패턴층과 절연층의 평탄화는 건식 식각 또는 CMP공정으로 하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 15 항에 있어서, CMP공정의 연마제는 실리카, 알루미나 등의 연마 입자와 산 그리고 산화제가 포함된 슬러리를 갖는것을 사용하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 16 항에 있어서, CMP공정에 사용되는 연마제에 포함되는 산은 H3PO4, H2SO4, AgNO3의 어느 하나를 사용하는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
- 제 16 항에 있어서, CMP공정에 사용되는 산화제는 H2O2, HOCL의 어느 하나를 포함한 것을 사용한는 것을 특징으로 하는 반도체 장치의 금속 배선 형성 방법.
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960016460A KR100215847B1 (ko) | 1996-05-16 | 1996-05-16 | 반도체 장치의 금속 배선 및 그의 형성 방법 |
JP8353934A JP2791768B2 (ja) | 1996-05-16 | 1996-12-19 | 半導体装置の金属配線の形成方法 |
DE19704149A DE19704149B4 (de) | 1996-05-16 | 1997-02-04 | Verfahren zum Herstellen einer Metallverdrahtung an einem Halbleiterbauteil sowie nach diesem Verfahren hergestellte Metallverdrahtung |
US08/852,293 US5960313A (en) | 1996-05-16 | 1997-05-07 | Metal wire of semiconductor device and method for forming the same |
US09/348,820 US6169326B1 (en) | 1996-05-16 | 1999-07-08 | Metal wire of semiconductor device and method for forming the same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960016460A KR100215847B1 (ko) | 1996-05-16 | 1996-05-16 | 반도체 장치의 금속 배선 및 그의 형성 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970077204A KR970077204A (ko) | 1997-12-12 |
KR100215847B1 true KR100215847B1 (ko) | 1999-08-16 |
Family
ID=19458915
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960016460A Expired - Lifetime KR100215847B1 (ko) | 1996-05-16 | 1996-05-16 | 반도체 장치의 금속 배선 및 그의 형성 방법 |
Country Status (4)
Country | Link |
---|---|
US (2) | US5960313A (ko) |
JP (1) | JP2791768B2 (ko) |
KR (1) | KR100215847B1 (ko) |
DE (1) | DE19704149B4 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120056524A (ko) * | 2010-11-25 | 2012-06-04 | 삼성전자주식회사 | 반도체 소자의 제조방법 |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3500308B2 (ja) * | 1997-08-13 | 2004-02-23 | インターナショナル・ビジネス・マシーンズ・コーポレーション | 集積回路 |
US6121126A (en) * | 1998-02-25 | 2000-09-19 | Micron Technologies, Inc. | Methods and structures for metal interconnections in integrated circuits |
US6143655A (en) | 1998-02-25 | 2000-11-07 | Micron Technology, Inc. | Methods and structures for silver interconnections in integrated circuits |
US6492694B2 (en) | 1998-02-27 | 2002-12-10 | Micron Technology, Inc. | Highly conductive composite polysilicon gate for CMOS integrated circuits |
US6815303B2 (en) * | 1998-04-29 | 2004-11-09 | Micron Technology, Inc. | Bipolar transistors with low-resistance emitter contacts |
JP3111977B2 (ja) * | 1998-05-15 | 2000-11-27 | 日本電気株式会社 | 半導体装置の製造方法 |
US6200901B1 (en) * | 1998-06-10 | 2001-03-13 | Micron Technology, Inc. | Polishing polymer surfaces on non-porous CMP pads |
US6303272B1 (en) * | 1998-11-13 | 2001-10-16 | International Business Machines Corporation | Process for self-alignment of sub-critical contacts to wiring |
JP2000294639A (ja) * | 1999-04-09 | 2000-10-20 | Oki Electric Ind Co Ltd | 半導体装置 |
US6228691B1 (en) * | 1999-06-30 | 2001-05-08 | Intel Corp. | Silicon-on-insulator devices and method for producing the same |
US6124197A (en) | 1999-10-01 | 2000-09-26 | Advanced Micro Devices, Inc. | Adjusting the size of conductive lines based upon contact size |
JP3819670B2 (ja) * | 2000-04-14 | 2006-09-13 | 富士通株式会社 | ダマシン配線を有する半導体装置 |
JP3895987B2 (ja) * | 2001-12-27 | 2007-03-22 | 株式会社東芝 | 半導体装置およびその製造方法 |
US6818996B2 (en) * | 2002-12-20 | 2004-11-16 | Lsi Logic Corporation | Multi-level redistribution layer traces for reducing current crowding in flipchip solder bumps |
US7388279B2 (en) * | 2003-11-12 | 2008-06-17 | Interconnect Portfolio, Llc | Tapered dielectric and conductor structures and applications thereof |
US7466021B2 (en) * | 2003-11-17 | 2008-12-16 | Interconnect Portfolio, Llp | Memory packages having stair step interconnection layers |
US20060072257A1 (en) * | 2004-09-30 | 2006-04-06 | International Business Machines Corporation | Device and method for reducing dishing of critical on-chip interconnect lines |
US8943456B2 (en) * | 2004-09-30 | 2015-01-27 | International Business Machines Corporation | Layout determining for wide wire on-chip interconnect lines |
US7344994B2 (en) * | 2005-02-22 | 2008-03-18 | Lexmark International, Inc. | Multiple layer etch stop and etching method |
US20110115047A1 (en) * | 2009-11-13 | 2011-05-19 | Francois Hebert | Semiconductor process using mask openings of varying widths to form two or more device structures |
DE102011081768A1 (de) | 2011-08-30 | 2013-02-28 | Voith Patent Gmbh | Stützelement und Walze |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4466180A (en) * | 1981-06-25 | 1984-08-21 | Rockwell International Corporation | Method of manufacturing punch through voltage regulator diodes utilizing shaping and selective doping |
DE69031357T2 (de) * | 1989-04-21 | 1998-04-02 | Nippon Electric Co | Halbleiteranordnung mit Mehrschichtleiter |
JPH0388351A (ja) * | 1989-08-31 | 1991-04-12 | Oki Electric Ind Co Ltd | 半導体装置の製造方法 |
JPH03154341A (ja) * | 1989-11-10 | 1991-07-02 | Toshiba Corp | 半導体装置 |
JPH05175191A (ja) * | 1991-10-22 | 1993-07-13 | Mitsubishi Electric Corp | 積層導電配線 |
JP3271203B2 (ja) * | 1992-12-25 | 2002-04-02 | ソニー株式会社 | 半導体装置の製造方法 |
JP2655469B2 (ja) * | 1993-06-30 | 1997-09-17 | 日本電気株式会社 | 半導体集積回路装置の製造方法 |
US5635426A (en) | 1993-08-26 | 1997-06-03 | Fujitsu Limited | Method of making a semiconductor device having a silicide local interconnect |
JPH0846037A (ja) * | 1994-07-28 | 1996-02-16 | Sony Corp | コンタクトホールの形成方法 |
US5635423A (en) * | 1994-10-11 | 1997-06-03 | Advanced Micro Devices, Inc. | Simplified dual damascene process for multi-level metallization and interconnection structure |
KR0144913B1 (ko) * | 1995-03-03 | 1998-08-17 | 김광호 | 반도체장치의 금속배선층 형성방법 |
KR0186085B1 (ko) * | 1995-09-02 | 1999-04-15 | 문정환 | 배선 형성방법 |
JPH10107140A (ja) * | 1996-09-26 | 1998-04-24 | Nec Corp | 多層配線半導体装置とその製造方法 |
-
1996
- 1996-05-16 KR KR1019960016460A patent/KR100215847B1/ko not_active Expired - Lifetime
- 1996-12-19 JP JP8353934A patent/JP2791768B2/ja not_active Expired - Fee Related
-
1997
- 1997-02-04 DE DE19704149A patent/DE19704149B4/de not_active Expired - Lifetime
- 1997-05-07 US US08/852,293 patent/US5960313A/en not_active Expired - Lifetime
-
1999
- 1999-07-08 US US09/348,820 patent/US6169326B1/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20120056524A (ko) * | 2010-11-25 | 2012-06-04 | 삼성전자주식회사 | 반도체 소자의 제조방법 |
US8445379B2 (en) | 2010-11-25 | 2013-05-21 | Samsung Electronics Co., Ltd. | Method of manufacturing semiconductor device |
KR101709172B1 (ko) | 2010-11-25 | 2017-02-22 | 삼성전자 주식회사 | 반도체 소자의 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
JP2791768B2 (ja) | 1998-08-27 |
US5960313A (en) | 1999-09-28 |
KR970077204A (ko) | 1997-12-12 |
DE19704149B4 (de) | 2006-03-30 |
DE19704149A1 (de) | 1997-11-20 |
US6169326B1 (en) | 2001-01-02 |
JPH09306908A (ja) | 1997-11-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR100215847B1 (ko) | 반도체 장치의 금속 배선 및 그의 형성 방법 | |
US6884710B2 (en) | Semiconductor device having multi-layer copper line and method of forming same | |
US6251790B1 (en) | Method for fabricating contacts in a semiconductor device | |
JP2773729B2 (ja) | 半導体装置の製造方法 | |
US6323118B1 (en) | Borderless dual damascene contact | |
EP0534631B1 (en) | Method of forming vias structure obtained | |
US6008114A (en) | Method of forming dual damascene structure | |
JP3123092B2 (ja) | 半導体装置の製造方法 | |
JP2964230B2 (ja) | 半導体装置の自己整合的金属配線形成方法 | |
KR100277377B1 (ko) | 콘택트홀/스루홀의형성방법 | |
EP1429382A2 (en) | Via formation for damascene metal conductors in an integrated circuit | |
KR950012918B1 (ko) | 선택적 텅스텐 박막의 2단계 퇴적에 의한 콘택 매립방법 | |
KR0180287B1 (ko) | 반도체장치의 배선구조 및 그의 제조방법 | |
US5924006A (en) | Trench surrounded metal pattern | |
JPH09191051A (ja) | 半導体素子の配線構造及びその形成方法 | |
JP3102382B2 (ja) | 半導体装置およびその製造方法 | |
KR0186085B1 (ko) | 배선 형성방법 | |
KR20000009250A (ko) | 반도체 장치의 배선구조 및 그 제조방법 | |
JP2988943B2 (ja) | 配線接続孔の形成方法 | |
KR100203299B1 (ko) | 반도체 소자의 금속배선 형성방법 | |
KR100205341B1 (ko) | 반도체 장치의 배선형성 방법 | |
KR20010056822A (ko) | 반도체장치의 배선 및 배선연결부와 그 제조방법 | |
JPH05206294A (ja) | 集積回路用相互接続 | |
KR100315457B1 (ko) | 반도체 소자의 제조 방법 | |
KR960011250B1 (ko) | 반도체 접속장치 제조방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960516 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960516 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19981126 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 19990406 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 19990526 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 19990527 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
PR1001 | Payment of annual fee |
Payment date: 20020417 Start annual number: 4 End annual number: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20030417 Start annual number: 5 End annual number: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20040326 Start annual number: 6 End annual number: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20050422 Start annual number: 7 End annual number: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20060502 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20070419 Start annual number: 9 End annual number: 9 |
|
PR1001 | Payment of annual fee |
Payment date: 20080425 Start annual number: 10 End annual number: 10 |
|
PR1001 | Payment of annual fee |
Payment date: 20090427 Start annual number: 11 End annual number: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20100423 Start annual number: 12 End annual number: 12 |
|
PR1001 | Payment of annual fee |
Payment date: 20110429 Start annual number: 13 End annual number: 13 |
|
PR1001 | Payment of annual fee |
Payment date: 20120424 Start annual number: 14 End annual number: 14 |
|
FPAY | Annual fee payment |
Payment date: 20130426 Year of fee payment: 15 |
|
PR1001 | Payment of annual fee |
Payment date: 20130426 Start annual number: 15 End annual number: 15 |
|
FPAY | Annual fee payment |
Payment date: 20140423 Year of fee payment: 16 |
|
PR1001 | Payment of annual fee |
Payment date: 20140423 Start annual number: 16 End annual number: 16 |
|
FPAY | Annual fee payment |
Payment date: 20150423 Year of fee payment: 17 |
|
PR1001 | Payment of annual fee |
Payment date: 20150423 Start annual number: 17 End annual number: 17 |
|
EXPY | Expiration of term | ||
PC1801 | Expiration of term |