DE19649670C2 - Verfahren zur Herstellung eines Kondensators einer Halbleitervorrichtung und auf diese Weise hergestellter Kondensator - Google Patents
Verfahren zur Herstellung eines Kondensators einer Halbleitervorrichtung und auf diese Weise hergestellter KondensatorInfo
- Publication number
- DE19649670C2 DE19649670C2 DE19649670A DE19649670A DE19649670C2 DE 19649670 C2 DE19649670 C2 DE 19649670C2 DE 19649670 A DE19649670 A DE 19649670A DE 19649670 A DE19649670 A DE 19649670A DE 19649670 C2 DE19649670 C2 DE 19649670C2
- Authority
- DE
- Germany
- Prior art keywords
- film
- ruthenium
- platinum
- semiconductor substrate
- capacitor
- 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
- 239000004065 semiconductor Substances 0.000 title claims description 29
- 239000003990 capacitor Substances 0.000 title claims description 24
- 238000004519 manufacturing process Methods 0.000 title claims description 12
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 56
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 29
- 229910052697 platinum Inorganic materials 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 24
- 229910052707 ruthenium Inorganic materials 0.000 claims description 21
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 claims description 14
- 239000000758 substrate Substances 0.000 claims description 13
- 229910001925 ruthenium oxide Inorganic materials 0.000 claims description 12
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 claims description 10
- 229910003446 platinum oxide Inorganic materials 0.000 claims description 10
- 239000010936 titanium Substances 0.000 claims description 9
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 8
- 229910052719 titanium Inorganic materials 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000004544 sputter deposition Methods 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 230000008021 deposition Effects 0.000 claims description 4
- 229910021420 polycrystalline silicon Inorganic materials 0.000 claims description 3
- 229920005591 polysilicon Polymers 0.000 claims description 3
- 239000011810 insulating material Substances 0.000 claims description 2
- 239000010408 film Substances 0.000 description 41
- 230000010354 integration Effects 0.000 description 7
- 238000003860 storage Methods 0.000 description 6
- WOCIAKWEIIZHES-UHFFFAOYSA-N ruthenium(iv) oxide Chemical compound O=[Ru]=O WOCIAKWEIIZHES-UHFFFAOYSA-N 0.000 description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 238000005137 deposition process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000005380 borophosphosilicate glass Substances 0.000 description 1
- KYCIUIVANPKXLW-UHFFFAOYSA-N dimethyl-(2-phenoxyethyl)-(thiophen-2-ylmethyl)azanium Chemical compound C=1C=CSC=1C[N+](C)(C)CCOC1=CC=CC=C1 KYCIUIVANPKXLW-UHFFFAOYSA-N 0.000 description 1
- 229910001882 dioxygen Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 150000003303 ruthenium Chemical class 0.000 description 1
- 239000005368 silicate glass Substances 0.000 description 1
- 229910021332 silicide Inorganic materials 0.000 description 1
- FVBUAEGBCNSCDD-UHFFFAOYSA-N silicide(4-) Chemical compound [Si-4] FVBUAEGBCNSCDD-UHFFFAOYSA-N 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L27/00—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate
- H01L27/02—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier
- H01L27/04—Devices consisting of a plurality of semiconductor or other solid-state components formed in or on a common substrate including semiconductor components specially adapted for rectifying, oscillating, amplifying or switching and having at least one potential-jump barrier or surface barrier; including integrated passive circuit elements with at least one potential-jump barrier or surface barrier the substrate being a semiconductor body
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/55—Capacitors with a dielectric comprising a perovskite structure material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L28/00—Passive two-terminal components without a potential-jump or surface barrier for integrated circuits; Details thereof; Multistep manufacturing processes therefor
- H01L28/40—Capacitors
- H01L28/60—Electrodes
- H01L28/75—Electrodes comprising two or more layers, e.g. comprising a barrier layer and a metal layer
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Semiconductor Memories (AREA)
- Semiconductor Integrated Circuits (AREA)
- Non-Volatile Memory (AREA)
Description
Claims (13)
- a) Bereitstellen eines Halbleitersubstrats (11),
- b) Ausbilden eines Titanfilms (19) und eines Titannitridfilms (21) hintereinander auf dem Halbleitersubstrat (11),
- c) Ausbilden eines Ruthenium/Platin-Films (23) auf dem Titannitridfilm (21),
- d) Wärmebehandlung des Ruthenium/Platin-Films (22), damit Ruthenium/Platin-Oxid (25) auf dem Ruthenium/Platin-Film (23) aufwächst, und
- e) Ausbilden eines dielektrischen Films (29) und einer leitfähigen Schicht (31) hintereinander auf dem Ruthenium/Platin-Oxid (25).
- - Ausbilden einer unteren Isolierschicht (13) über dem Halbleitersubstrat (11), wobei die untere Isolierschicht (13) ein Kontaktloch (15) aufweist, durch welches eine vorbestimmte Fläche des Halbleitersubstrats (11) freigelegt wird; und
- - Ausbilden eines Kontaktstopfens (17) in dem Kontaktloch der unteren Isolierschicht.
eine untere Elektrode auf einem Halbleitersubstrat (11), wobei die untere Elektrode aus einer Doppelschicht aus einem Ruthenium/Platin-Film (23) und einem Ruthenium/Platin-Oxid (25) auf dem Ruthenium/Platin-Film gebildet ist,
einen dielektrischen Film (29), der auf dem Ruthenium/Platin-Oxid (25) gebildet ist, und
eine obere Elektrode (31), die auf dem dielektrischen Film (29) gebildet ist,
wobei unter der unteren Elektrode ein Titannitridfilm (21) angeordnet ist, unter dem ein Titanfilm (19) liegt.
eine untere isolierende Schicht (13) über dem Halbleitersubstrat (11), wobei die untere isolierende Schicht (13) ein Kontaktloch (15) aufweist, durch das ein vorbestimmter Bereich des Halbleitersubstrats (11) freigelegt ist, und
einen Kontaktstopfen (17) in dem Kontaktloch (15) der unteren isolierenden Schicht (13), wobei die untere Elektrode über den Kontaktstopfen (17) in elektrischem Kontakt mit dem Halbleitersubstrat (11) steht.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019950045483A KR100200299B1 (ko) | 1995-11-30 | 1995-11-30 | 반도체 소자 캐패시터 형성방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE19649670A1 DE19649670A1 (de) | 1997-06-05 |
DE19649670C2 true DE19649670C2 (de) | 2002-09-05 |
Family
ID=19436944
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE19649670A Expired - Fee Related DE19649670C2 (de) | 1995-11-30 | 1996-11-29 | Verfahren zur Herstellung eines Kondensators einer Halbleitervorrichtung und auf diese Weise hergestellter Kondensator |
Country Status (7)
Country | Link |
---|---|
US (1) | US5714402A (de) |
JP (1) | JP2820930B2 (de) |
KR (1) | KR100200299B1 (de) |
CN (1) | CN1065658C (de) |
DE (1) | DE19649670C2 (de) |
GB (1) | GB2307789B (de) |
TW (1) | TW454294B (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6243691B1 (en) * | 1996-03-29 | 2001-06-05 | Onsale, Inc. | Method and system for processing and transmitting electronic auction information |
US5930584A (en) * | 1996-04-10 | 1999-07-27 | United Microelectronics Corp. | Process for fabricating low leakage current electrode for LPCVD titanium oxide films |
JP3452763B2 (ja) * | 1996-12-06 | 2003-09-29 | シャープ株式会社 | 半導体記憶装置および半導体記憶装置の製造方法 |
KR100244251B1 (ko) * | 1997-06-19 | 2000-02-01 | 김영환 | 반도체 소자의 커패시터 제조 방법 |
JP3484324B2 (ja) | 1997-07-29 | 2004-01-06 | シャープ株式会社 | 半導体メモリ素子 |
JP3319994B2 (ja) * | 1997-09-29 | 2002-09-03 | シャープ株式会社 | 半導体記憶素子 |
US6911371B2 (en) | 1997-12-19 | 2005-06-28 | Micron Technology, Inc. | Capacitor forming methods with barrier layers to threshold voltage shift inducing material |
US6165833A (en) * | 1997-12-19 | 2000-12-26 | Micron Technology, Inc. | Semiconductor processing method of forming a capacitor |
KR19990057857A (ko) * | 1997-12-30 | 1999-07-15 | 김영환 | 반도체 장치의 캐패시터 형성 방법 |
US6025624A (en) * | 1998-06-19 | 2000-02-15 | Micron Technology, Inc. | Shared length cell for improved capacitance |
KR100301371B1 (ko) * | 1998-07-03 | 2001-10-27 | 윤종용 | 반도체메모리장치및그의제조방법 |
US6323081B1 (en) * | 1998-09-03 | 2001-11-27 | Micron Technology, Inc. | Diffusion barrier layers and methods of forming same |
DE19858357A1 (de) * | 1998-12-17 | 2000-06-29 | Siemens Ag | Mikroelektronische Struktur sowie Verfahren zu deren Herstellung |
DE19959711A1 (de) * | 1999-12-10 | 2001-06-21 | Infineon Technologies Ag | Verfahren zur Herstellung einer strukturierten Metallschicht |
US6214661B1 (en) * | 2000-01-21 | 2001-04-10 | Infineon Technologoies North America Corp. | Method to prevent oxygen out-diffusion from BSTO containing micro-electronic device |
US6727140B2 (en) * | 2001-07-11 | 2004-04-27 | Micron Technology, Inc. | Capacitor with high dielectric constant materials and method of making |
KR20030025671A (ko) * | 2001-09-22 | 2003-03-29 | 주식회사 하이닉스반도체 | 커패시터의 제조방법 |
US7655556B2 (en) | 2007-03-23 | 2010-02-02 | Taiwan Semiconductor Manufacturing Company, Ltd. | Interconnect structures for semiconductor devices |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5142437A (en) * | 1991-06-13 | 1992-08-25 | Ramtron Corporation | Conducting electrode layers for ferroelectric capacitors in integrated circuits and method |
US5262920A (en) * | 1991-05-16 | 1993-11-16 | Nec Corporation | Thin film capacitor |
US5407855A (en) * | 1993-06-07 | 1995-04-18 | Motorola, Inc. | Process for forming a semiconductor device having a reducing/oxidizing conductive material |
WO1996010845A2 (en) * | 1994-10-04 | 1996-04-11 | Philips Electronics N.V. | Semiconductor device comprising a ferroelectric memory element with a lower electrode provided with an oxygen barrier |
WO1996021249A1 (en) * | 1994-12-29 | 1996-07-11 | North Carolina State University | Hybrid metal/metal oxide electrodes for ferroelectric capacitors |
EP0478799B1 (de) * | 1990-04-24 | 1996-12-04 | Ramtron International Corporation | Halbleiteranordnung mit ferroelektrischem material und verfahren zu deren herstellung |
DE19630310A1 (de) * | 1995-07-28 | 1997-01-30 | Toshiba Kawasaki Kk | Halbleitervorrichtung und Verfahren zu deren Herstellung |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0485878A (ja) * | 1990-07-26 | 1992-03-18 | Seiko Epson Corp | 半導体装置 |
WO1992006498A1 (en) * | 1990-09-28 | 1992-04-16 | Seiko Epson Corporation | Semiconductor device |
EP0490288A3 (en) * | 1990-12-11 | 1992-09-02 | Ramtron Corporation | Process for fabricating pzt capacitors as integrated circuit memory elements and a capacitor storage element |
JP2690821B2 (ja) * | 1991-05-28 | 1997-12-17 | シャープ株式会社 | 半導体装置 |
US5254217A (en) * | 1992-07-27 | 1993-10-19 | Motorola, Inc. | Method for fabricating a semiconductor device having a conductive metal oxide |
US5335138A (en) * | 1993-02-12 | 1994-08-02 | Micron Semiconductor, Inc. | High dielectric constant capacitor and method of manufacture |
US5381302A (en) * | 1993-04-02 | 1995-01-10 | Micron Semiconductor, Inc. | Capacitor compatible with high dielectric constant materials having a low contact resistance layer and the method for forming same |
JPH0730077A (ja) * | 1993-06-23 | 1995-01-31 | Mitsubishi Electric Corp | 半導体装置およびその製造方法 |
JP3319869B2 (ja) * | 1993-06-24 | 2002-09-03 | 三菱電機株式会社 | 半導体記憶装置およびその製造方法 |
JP2682392B2 (ja) * | 1993-09-01 | 1997-11-26 | 日本電気株式会社 | 薄膜キャパシタおよびその製造方法 |
JPH0794680A (ja) * | 1993-09-22 | 1995-04-07 | Fujitsu Ltd | 半導体装置の製造方法 |
US5566045A (en) * | 1994-08-01 | 1996-10-15 | Texas Instruments, Inc. | High-dielectric-constant material electrodes comprising thin platinum layers |
US5622893A (en) * | 1994-08-01 | 1997-04-22 | Texas Instruments Incorporated | Method of forming conductive noble-metal-insulator-alloy barrier layer for high-dielectric-constant material electrodes |
US5489548A (en) * | 1994-08-01 | 1996-02-06 | Texas Instruments Incorporated | Method of forming high-dielectric-constant material electrodes comprising sidewall spacers |
US5554564A (en) * | 1994-08-01 | 1996-09-10 | Texas Instruments Incorporated | Pre-oxidizing high-dielectric-constant material electrodes |
KR0144932B1 (ko) * | 1995-01-26 | 1998-07-01 | 김광호 | 반도체 장치의 캐패시터 및 그 제조방법 |
US5573979A (en) * | 1995-02-13 | 1996-11-12 | Texas Instruments Incorporated | Sloped storage node for a 3-D dram cell structure |
KR100199346B1 (ko) * | 1995-04-04 | 1999-06-15 | 김영환 | 반도체 소자의 전하저장전극 형성방법 |
KR0147640B1 (ko) * | 1995-05-30 | 1998-08-01 | 김광호 | 반도체 장치의 커패시터 및 그 제조방법 |
-
1995
- 1995-11-30 KR KR1019950045483A patent/KR100200299B1/ko active IP Right Grant
-
1996
- 1996-11-26 TW TW085114568A patent/TW454294B/zh not_active IP Right Cessation
- 1996-11-27 US US08/757,246 patent/US5714402A/en not_active Expired - Lifetime
- 1996-11-28 CN CN96120755A patent/CN1065658C/zh not_active Expired - Fee Related
- 1996-11-28 GB GB9624828A patent/GB2307789B/en not_active Expired - Fee Related
- 1996-11-29 DE DE19649670A patent/DE19649670C2/de not_active Expired - Fee Related
- 1996-12-02 JP JP8321927A patent/JP2820930B2/ja not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0478799B1 (de) * | 1990-04-24 | 1996-12-04 | Ramtron International Corporation | Halbleiteranordnung mit ferroelektrischem material und verfahren zu deren herstellung |
US5262920A (en) * | 1991-05-16 | 1993-11-16 | Nec Corporation | Thin film capacitor |
US5142437A (en) * | 1991-06-13 | 1992-08-25 | Ramtron Corporation | Conducting electrode layers for ferroelectric capacitors in integrated circuits and method |
US5407855A (en) * | 1993-06-07 | 1995-04-18 | Motorola, Inc. | Process for forming a semiconductor device having a reducing/oxidizing conductive material |
WO1996010845A2 (en) * | 1994-10-04 | 1996-04-11 | Philips Electronics N.V. | Semiconductor device comprising a ferroelectric memory element with a lower electrode provided with an oxygen barrier |
EP0737364B1 (de) * | 1994-10-04 | 1999-03-31 | Koninklijke Philips Electronics N.V. | Halbleiteranordnung mit einem ferroelektrischen speicherbaustein, dessen bodenelenelektrode eine sauerstoff-barriere enthält |
WO1996021249A1 (en) * | 1994-12-29 | 1996-07-11 | North Carolina State University | Hybrid metal/metal oxide electrodes for ferroelectric capacitors |
US5555486A (en) * | 1994-12-29 | 1996-09-10 | North Carolina State University | Hybrid metal/metal oxide electrodes for ferroelectric capacitors |
DE19630310A1 (de) * | 1995-07-28 | 1997-01-30 | Toshiba Kawasaki Kk | Halbleitervorrichtung und Verfahren zu deren Herstellung |
Non-Patent Citations (1)
Title |
---|
AL-SHAREEF, H.N. et.al.: In: Integrated Ferroelec-trics, 1995, Bd. 8, S. 151-163 * |
Also Published As
Publication number | Publication date |
---|---|
GB9624828D0 (en) | 1997-01-15 |
JPH09199687A (ja) | 1997-07-31 |
JP2820930B2 (ja) | 1998-11-05 |
CN1158498A (zh) | 1997-09-03 |
GB2307789B (en) | 2000-03-22 |
TW454294B (en) | 2001-09-11 |
GB2307789A (en) | 1997-06-04 |
US5714402A (en) | 1998-02-03 |
CN1065658C (zh) | 2001-05-09 |
KR100200299B1 (ko) | 1999-06-15 |
DE19649670A1 (de) | 1997-06-05 |
KR970030779A (ko) | 1997-06-26 |
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Legal Events
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8110 | Request for examination paragraph 44 | ||
D2 | Grant after examination | ||
8364 | No opposition during term of opposition | ||
R082 | Change of representative |
Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUS, DE Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUSSER, |
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R081 | Change of applicant/patentee |
Owner name: CONVERSANT IP N.B. 868 INC., SAINT JOHN, CA Free format text: FORMER OWNER: HYUNDAI ELECTRONICS INDUSTRIES CO., LTD., ICHON, KYONGGI, KR Effective date: 20111122 Owner name: 658868 N.B. INC., CA Free format text: FORMER OWNER: HYUNDAI ELECTRONICS INDUSTRIES CO., LTD., ICHON, KR Effective date: 20111122 |
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Representative=s name: ISARPATENT - PATENTANWAELTE- UND RECHTSANWAELT, DE Effective date: 20111122 Representative=s name: ISARPATENT PATENTANWAELTE BEHNISCH, BARTH, CHA, DE Effective date: 20111122 Representative=s name: ISARPATENT GBR PATENT- UND RECHTSANWAELTE, DE Effective date: 20111122 Representative=s name: ISARPATENT, DE Effective date: 20111122 Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUS, DE Effective date: 20111122 |
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Representative=s name: GRUENECKER, KINKELDEY, STOCKMAIR & SCHWANHAEUS, DE |
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R081 | Change of applicant/patentee |
Owner name: CONVERSANT IP N.B. 868 INC., SAINT JOHN, CA Free format text: FORMER OWNER: HYNIX SEMICONDUCTOR INC., ICHON-SHI, KYOUNGKI-DO, KR Effective date: 20120821 Owner name: 658868 N.B. INC., CA Free format text: FORMER OWNER: HYNIX SEMICONDUCTOR INC., ICHON-SHI, KR Effective date: 20120821 |
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R082 | Change of representative |
Representative=s name: ISARPATENT - PATENTANWAELTE- UND RECHTSANWAELT, DE Effective date: 20120907 Representative=s name: ISARPATENT - PATENTANWAELTE- UND RECHTSANWAELT, DE Effective date: 20120821 Representative=s name: ISARPATENT PATENTANWAELTE BEHNISCH, BARTH, CHA, DE Effective date: 20120907 Representative=s name: ISARPATENT PATENTANWAELTE BEHNISCH, BARTH, CHA, DE Effective date: 20120821 Representative=s name: ISARPATENT GBR PATENT- UND RECHTSANWAELTE, DE Effective date: 20120821 Representative=s name: ISARPATENT GBR PATENT- UND RECHTSANWAELTE, DE Effective date: 20120907 Representative=s name: ISARPATENT, DE Effective date: 20120907 Representative=s name: ISARPATENT, DE Effective date: 20120821 |
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R082 | Change of representative |
Representative=s name: ISARPATENT PATENTANWAELTE BEHNISCH, BARTH, CHA, DE |
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R081 | Change of applicant/patentee |
Owner name: CONVERSANT IP N.B. 868 INC., SAINT JOHN, CA Free format text: FORMER OWNER: 658868 N.B. INC., SAINT JOHN, NEW BRUNSWICK, CA Effective date: 20140925 |
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R082 | Change of representative |
Representative=s name: ISARPATENT - PATENTANWAELTE- UND RECHTSANWAELT, DE Effective date: 20140925 Representative=s name: ISARPATENT PATENTANWAELTE BEHNISCH, BARTH, CHA, DE Effective date: 20140925 |
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R119 | Application deemed withdrawn, or ip right lapsed, due to non-payment of renewal fee |