KR100493155B1 - 열적으로 안정한 강유전성 메모리 장치 - Google Patents
열적으로 안정한 강유전성 메모리 장치 Download PDFInfo
- Publication number
- KR100493155B1 KR100493155B1 KR10-2002-0028656A KR20020028656A KR100493155B1 KR 100493155 B1 KR100493155 B1 KR 100493155B1 KR 20020028656 A KR20020028656 A KR 20020028656A KR 100493155 B1 KR100493155 B1 KR 100493155B1
- Authority
- KR
- South Korea
- Prior art keywords
- bit
- ferroelectric
- information storage
- storage medium
- memory 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11C—STATIC STORES
- G11C11/00—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor
- G11C11/21—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements
- G11C11/22—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using electric elements using ferroelectric elements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/80—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers characterised by the integration of at least one component covered by groups H10D12/00 or H10D30/00, e.g. integration of IGFETs
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/127—Structure or manufacture of heads, e.g. inductive
- G11B5/31—Structure or manufacture of heads, e.g. inductive using thin films
Landscapes
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Manufacturing & Machinery (AREA)
- Semiconductor Memories (AREA)
Abstract
Description
Claims (2)
- 정보 저장 매체 및 상기 정보 저장 매체에 데이타를 저장하거나 재생하는 탐침을 포함하는 메모리 장치에 있어서, 상기 정보 저장 매체는,하부전극; 및상기 하부전극의 상면에 적층되는 강유전체막;을 구비하며,상기 강유전체막에 형성되는 유전 분극 도메인은 메모리 소자의 비트로 작용되도록 하고,상기 강유전체막의 두께는 상기 비트의 지름보다 크지 않은 것을 특징으로 하는 강유전성 메모리 장치.
- 제 1 항에 있어서,상기 강유전체막의 두께(d)는 상기 비트의 면적(A)에 대해 다음의 식을 만족하는 것을 특징으로 하는 강유전성 메모리 장치.
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0028656A KR100493155B1 (ko) | 2002-05-23 | 2002-05-23 | 열적으로 안정한 강유전성 메모리 장치 |
CNB021559813A CN1301507C (zh) | 2002-05-23 | 2002-12-11 | 热稳定的铁电体存储器 |
DE60227782T DE60227782D1 (de) | 2002-05-23 | 2002-12-20 | Thermisch stabiler ferroelektrischer Speicher |
EP02258831A EP1367592B1 (en) | 2002-05-23 | 2002-12-20 | Thermally stable ferroelectric memory |
US10/325,731 US6784475B2 (en) | 2002-05-23 | 2002-12-23 | Thermally stable ferroelectric memory |
JP2003103531A JP3887344B2 (ja) | 2002-05-23 | 2003-04-08 | プローブ型記憶媒体を有する強誘電体メモリ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0028656A KR100493155B1 (ko) | 2002-05-23 | 2002-05-23 | 열적으로 안정한 강유전성 메모리 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030090377A KR20030090377A (ko) | 2003-11-28 |
KR100493155B1 true KR100493155B1 (ko) | 2005-06-03 |
Family
ID=29417448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2002-0028656A Expired - Fee Related KR100493155B1 (ko) | 2002-05-23 | 2002-05-23 | 열적으로 안정한 강유전성 메모리 장치 |
Country Status (6)
Country | Link |
---|---|
US (1) | US6784475B2 (ko) |
EP (1) | EP1367592B1 (ko) |
JP (1) | JP3887344B2 (ko) |
KR (1) | KR100493155B1 (ko) |
CN (1) | CN1301507C (ko) |
DE (1) | DE60227782D1 (ko) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7260051B1 (en) | 1998-12-18 | 2007-08-21 | Nanochip, Inc. | Molecular memory medium and molecular memory integrated circuit |
US7233517B2 (en) | 2002-10-15 | 2007-06-19 | Nanochip, Inc. | Atomic probes and media for high density data storage |
US7463573B2 (en) | 2005-06-24 | 2008-12-09 | Nanochip, Inc. | Patterned media for a high density data storage device |
US7367119B2 (en) | 2005-06-24 | 2008-05-06 | Nanochip, Inc. | Method for forming a reinforced tip for a probe storage device |
US20070041237A1 (en) * | 2005-07-08 | 2007-02-22 | Nanochip, Inc. | Media for writing highly resolved domains |
US7309630B2 (en) | 2005-07-08 | 2007-12-18 | Nanochip, Inc. | Method for forming patterned media for a high density data storage device |
KR100682950B1 (ko) * | 2005-07-28 | 2007-02-15 | 삼성전자주식회사 | 강유전체 기록매체 및 그 제조 방법 |
US20080232228A1 (en) * | 2007-03-20 | 2008-09-25 | Nanochip, Inc. | Systems and methods of writing and reading a ferro-electric media with a probe tip |
US20080318086A1 (en) * | 2007-06-19 | 2008-12-25 | Nanochip, Inc. | Surface-treated ferroelectric media for use in systems for storing information |
US20080316897A1 (en) * | 2007-06-19 | 2008-12-25 | Nanochip, Inc. | Methods of treating a surface of a ferroelectric media |
US7626846B2 (en) * | 2007-07-16 | 2009-12-01 | Nanochip, Inc. | Method and media for improving ferroelectric domain stability in an information storage device |
US20090201015A1 (en) * | 2008-02-12 | 2009-08-13 | Nanochip, Inc. | Method and device for detecting ferroelectric polarization |
US20090213492A1 (en) * | 2008-02-22 | 2009-08-27 | Nanochip, Inc. | Method of improving stability of domain polarization in ferroelectric thin films |
US20100002563A1 (en) * | 2008-07-01 | 2010-01-07 | Nanochip, Inc. | Media with tetragonally-strained recording layer having improved surface roughness |
US20100085863A1 (en) * | 2008-10-07 | 2010-04-08 | Nanochip, Inc. | Retuning of ferroelectric media built-in-bias |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07122661A (ja) * | 1993-10-27 | 1995-05-12 | Olympus Optical Co Ltd | 強誘電体メモリ装置 |
JPH07297302A (ja) * | 1994-04-28 | 1995-11-10 | Oki Electric Ind Co Ltd | メモリセルトランジスタ |
US5978256A (en) * | 1997-07-03 | 1999-11-02 | Korea Advanced Institute Of Science & Technology | Non-volatile memory device using AFM and method for operating the device |
JP2002270782A (ja) * | 2001-03-14 | 2002-09-20 | Toshiba Corp | 強誘電体キャパシタ |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3363301B2 (ja) * | 1995-03-08 | 2003-01-08 | シャープ株式会社 | 強誘電体薄膜被覆基板及びその製造方法及び強誘電体薄膜被覆基板によって構成された不揮発性メモリ |
JP3585374B2 (ja) * | 1998-07-22 | 2004-11-04 | 松下電器産業株式会社 | 半導体記憶装置 |
US6506643B1 (en) * | 1999-06-11 | 2003-01-14 | Sharp Laboratories Of America, Inc. | Method for forming a damascene FeRAM cell structure |
EP1213745A1 (en) * | 2000-12-05 | 2002-06-12 | Sony International (Europe) GmbH | Method of producing a ferroelectric memory and memory device |
-
2002
- 2002-05-23 KR KR10-2002-0028656A patent/KR100493155B1/ko not_active Expired - Fee Related
- 2002-12-11 CN CNB021559813A patent/CN1301507C/zh not_active Expired - Fee Related
- 2002-12-20 EP EP02258831A patent/EP1367592B1/en not_active Expired - Lifetime
- 2002-12-20 DE DE60227782T patent/DE60227782D1/de not_active Expired - Lifetime
- 2002-12-23 US US10/325,731 patent/US6784475B2/en not_active Expired - Fee Related
-
2003
- 2003-04-08 JP JP2003103531A patent/JP3887344B2/ja not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07122661A (ja) * | 1993-10-27 | 1995-05-12 | Olympus Optical Co Ltd | 強誘電体メモリ装置 |
JPH07297302A (ja) * | 1994-04-28 | 1995-11-10 | Oki Electric Ind Co Ltd | メモリセルトランジスタ |
US5978256A (en) * | 1997-07-03 | 1999-11-02 | Korea Advanced Institute Of Science & Technology | Non-volatile memory device using AFM and method for operating the device |
JP2002270782A (ja) * | 2001-03-14 | 2002-09-20 | Toshiba Corp | 強誘電体キャパシタ |
Also Published As
Publication number | Publication date |
---|---|
EP1367592B1 (en) | 2008-07-23 |
CN1459794A (zh) | 2003-12-03 |
KR20030090377A (ko) | 2003-11-28 |
US6784475B2 (en) | 2004-08-31 |
JP2003347513A (ja) | 2003-12-05 |
EP1367592A2 (en) | 2003-12-03 |
JP3887344B2 (ja) | 2007-02-28 |
US20030218196A1 (en) | 2003-11-27 |
CN1301507C (zh) | 2007-02-21 |
DE60227782D1 (de) | 2008-09-04 |
EP1367592A3 (en) | 2004-05-12 |
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