KR100447971B1 - 다층구조의 자기장 센서 제조방법 - Google Patents
다층구조의 자기장 센서 제조방법 Download PDFInfo
- Publication number
- KR100447971B1 KR100447971B1 KR10-2001-0080441A KR20010080441A KR100447971B1 KR 100447971 B1 KR100447971 B1 KR 100447971B1 KR 20010080441 A KR20010080441 A KR 20010080441A KR 100447971 B1 KR100447971 B1 KR 100447971B1
- Authority
- KR
- South Korea
- Prior art keywords
- magnetic field
- film
- forming
- field sensor
- copper
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N50/00—Galvanomagnetic devices
- H10N50/10—Magnetoresistive devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/02—Measuring direction or magnitude of magnetic fields or magnetic flux
- G01R33/06—Measuring direction or magnitude of magnetic fields or magnetic flux using galvano-magnetic devices
- G01R33/09—Magnetoresistive devices
- G01R33/093—Magnetoresistive devices using multilayer structures, e.g. giant magnetoresistance sensors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B15/00—Layered products comprising a layer of metal
- B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
- B32B15/011—Layered products comprising a layer of metal all layers being exclusively metallic all layers being formed of iron alloys or steels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y25/00—Nanomagnetism, e.g. magnetoimpedance, anisotropic magnetoresistance, giant magnetoresistance or tunneling magnetoresistance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49004—Electrical device making including measuring or testing of device or component part
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49044—Plural magnetic deposition layers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/49036—Fabricating head structure or component thereof including measuring or testing
- Y10T29/49043—Depositing magnetic layer or coating
- Y10T29/49046—Depositing magnetic layer or coating with etching or machining of magnetic material
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49021—Magnetic recording reproducing transducer [e.g., tape head, core, etc.]
- Y10T29/49032—Fabricating head structure or component thereof
- Y10T29/4906—Providing winding
- Y10T29/49064—Providing winding by coating
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/11—Magnetic recording head
- Y10T428/1107—Magnetoresistive
- Y10T428/1114—Magnetoresistive having tunnel junction effect
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Nanotechnology (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thin Magnetic Films (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (5)
- 하부층에 배리어막을 형성하는 단계;상기 배리어막상에 자성 금속막을 형성하는 단계;상기 금속막내에 일정간격을 두고 다수개의 트렌치를 형성하는 단계;상기 다수개의 트렌치내에 구리막패턴을 형성하는 단계를 포함하여 구성되는 것을 특징으로하는 다층구조의 자기장센서 제조방법.
- 제1항에 있어서, 상기 하부 배리어막으로는 Ta, TaN, TiN, WN 중에서 어느 하나를 사용하는 것을 특징으로 하는 다층구조의 자기장센서 제조방법.
- 제1항에 있어서, 상기 하부 배리어막은 스퍼터링방식 또는 CVD방식으로 증착하되, 100 내지 1000 Å 두께로 증착하는 것을 특징으로하는 다층구조의 자기장센서 제조방법.
- 제1항에 있어서, 상기 자성금속막은 100 내지 10000 Å두께로 증착하는 것을 특징으로하는 다층구조의 자기장센서 제조방법.
- 제1항에 있어서, 상기 트렌치길이는 1 내지 1000 μm, 폭은 0.05 내지 1 μm, 간격은 0.05 내지 1μm인 것을 특징으로하는 다층구조의 자기장센서제조방법.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0080441A KR100447971B1 (ko) | 2001-12-18 | 2001-12-18 | 다층구조의 자기장 센서 제조방법 |
US10/316,783 US6912770B2 (en) | 2001-12-18 | 2002-12-11 | Method for fabricating magnetic field sensor |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2001-0080441A KR100447971B1 (ko) | 2001-12-18 | 2001-12-18 | 다층구조의 자기장 센서 제조방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20030050061A KR20030050061A (ko) | 2003-06-25 |
KR100447971B1 true KR100447971B1 (ko) | 2004-09-10 |
Family
ID=19717155
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR10-2001-0080441A KR100447971B1 (ko) | 2001-12-18 | 2001-12-18 | 다층구조의 자기장 센서 제조방법 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6912770B2 (ko) |
KR (1) | KR100447971B1 (ko) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100447971B1 (ko) * | 2001-12-18 | 2004-09-10 | 주식회사 하이닉스반도체 | 다층구조의 자기장 센서 제조방법 |
US10067201B2 (en) * | 2016-04-14 | 2018-09-04 | Texas Instruments Incorporated | Wiring layout to reduce magnetic field |
US10403424B2 (en) | 2017-06-09 | 2019-09-03 | Texas Instruments Incorporated | Method to form magnetic core for integrated magnetic devices |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0786663A (ja) * | 1993-09-09 | 1995-03-31 | Fujitsu Ltd | 磁気抵抗効果素子の製造方法 |
KR950021832A (ko) * | 1993-12-27 | 1995-07-26 | 오가 노리오 | 인공격자막 및 이것을 사용한 자기저항효과소자 |
JPH09199769A (ja) * | 1996-01-19 | 1997-07-31 | Fujitsu Ltd | 磁気抵抗効果素子及び磁気センサ |
JPH09307156A (ja) * | 1996-05-15 | 1997-11-28 | Sanyo Electric Co Ltd | 磁気抵抗デバイス |
US5844755A (en) * | 1994-12-22 | 1998-12-01 | Oki Electric Industry Co., Ltd. | Giant magnetoresistive information recording medium, and associated recording and reproducing method and apparatus |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5998040A (en) * | 1990-12-10 | 1999-12-07 | Hitachi, Ltd. | Multilayer which shows magnetoresistive effect and magnetoresistive element using the same |
US5818323A (en) * | 1994-09-09 | 1998-10-06 | Sanyo Electric Co., Ltd. | Magnetoresistive device |
US5695810A (en) * | 1996-11-20 | 1997-12-09 | Cornell Research Foundation, Inc. | Use of cobalt tungsten phosphide as a barrier material for copper metallization |
US6093966A (en) * | 1998-03-20 | 2000-07-25 | Motorola, Inc. | Semiconductor device with a copper barrier layer and formation thereof |
FR2782843B1 (fr) * | 1998-08-25 | 2000-09-29 | Commissariat Energie Atomique | Procede d'isolation physique de regions d'une plaque de substrat |
JP2001028108A (ja) * | 1999-05-11 | 2001-01-30 | Nec Corp | 磁気抵抗効果ヘッドの製造方法 |
US6342448B1 (en) * | 2000-05-31 | 2002-01-29 | Taiwan Semiconductor Manufacturing Company | Method of fabricating barrier adhesion to low-k dielectric layers in a copper damascene process |
KR100447971B1 (ko) * | 2001-12-18 | 2004-09-10 | 주식회사 하이닉스반도체 | 다층구조의 자기장 센서 제조방법 |
US6716644B2 (en) * | 2002-05-17 | 2004-04-06 | Micron Technology, Inc. | Method for forming MRAM bit having a bottom sense layer utilizing electroless plating |
-
2001
- 2001-12-18 KR KR10-2001-0080441A patent/KR100447971B1/ko active IP Right Grant
-
2002
- 2002-12-11 US US10/316,783 patent/US6912770B2/en not_active Expired - Lifetime
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0786663A (ja) * | 1993-09-09 | 1995-03-31 | Fujitsu Ltd | 磁気抵抗効果素子の製造方法 |
KR950021832A (ko) * | 1993-12-27 | 1995-07-26 | 오가 노리오 | 인공격자막 및 이것을 사용한 자기저항효과소자 |
US5844755A (en) * | 1994-12-22 | 1998-12-01 | Oki Electric Industry Co., Ltd. | Giant magnetoresistive information recording medium, and associated recording and reproducing method and apparatus |
JPH09199769A (ja) * | 1996-01-19 | 1997-07-31 | Fujitsu Ltd | 磁気抵抗効果素子及び磁気センサ |
JPH09307156A (ja) * | 1996-05-15 | 1997-11-28 | Sanyo Electric Co Ltd | 磁気抵抗デバイス |
Also Published As
Publication number | Publication date |
---|---|
US20030112007A1 (en) | 2003-06-19 |
KR20030050061A (ko) | 2003-06-25 |
US6912770B2 (en) | 2005-07-05 |
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