CN102790170B - 磁阻感测元件及其形成方法 - Google Patents
磁阻感测元件及其形成方法 Download PDFInfo
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- CN102790170B CN102790170B CN201110195635.8A CN201110195635A CN102790170B CN 102790170 B CN102790170 B CN 102790170B CN 201110195635 A CN201110195635 A CN 201110195635A CN 102790170 B CN102790170 B CN 102790170B
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- patterning
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- sensing element
- conductor
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- 238000000034 method Methods 0.000 title claims description 29
- 230000005291 magnetic effect Effects 0.000 claims abstract description 70
- 238000012360 testing method Methods 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 18
- 230000008859 change Effects 0.000 claims abstract description 13
- 238000004804 winding Methods 0.000 claims abstract description 9
- 239000004020 conductor Substances 0.000 claims description 92
- 230000004888 barrier function Effects 0.000 claims description 79
- 238000000059 patterning Methods 0.000 claims description 65
- 239000000463 material Substances 0.000 claims description 24
- 230000015572 biosynthetic process Effects 0.000 claims description 12
- 241000270295 Serpentes Species 0.000 claims description 8
- 230000005294 ferromagnetic effect Effects 0.000 claims description 6
- 239000003302 ferromagnetic material Substances 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 230000006870 function Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 7
- 229910052751 metal Inorganic materials 0.000 description 7
- 239000002184 metal Substances 0.000 description 7
- 238000009792 diffusion process Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- NRTOMJZYCJJWKI-UHFFFAOYSA-N Titanium nitride Chemical compound [Ti]#N NRTOMJZYCJJWKI-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- MZLGASXMSKOWSE-UHFFFAOYSA-N tantalum nitride Chemical compound [Ta]#N MZLGASXMSKOWSE-UHFFFAOYSA-N 0.000 description 3
- 230000005641 tunneling Effects 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052581 Si3N4 Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000000137 annealing Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 229920002120 photoresistant polymer Polymers 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003701 mechanical milling Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000002362 mulch Substances 0.000 description 1
- 230000008261 resistance mechanism Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R33/00—Arrangements or instruments for measuring magnetic variables
- G01R33/0023—Electronic aspects, e.g. circuits for stimulation, evaluation, control; Treating the measured signals; calibration
- G01R33/0035—Calibration of single magnetic sensors, e.g. integrated calibration
-
- 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
-
- 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
-
- 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
- Y10T29/49117—Conductor or circuit manufacturing
- Y10T29/49124—On flat or curved insulated base, e.g., printed circuit, etc.
- Y10T29/49155—Manufacturing circuit on or in base
Landscapes
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Hall/Mr Elements (AREA)
- Measuring Magnetic Variables (AREA)
Abstract
Description
Claims (13)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW100117615 | 2011-05-19 | ||
TW100117615 | 2011-05-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN102790170A CN102790170A (zh) | 2012-11-21 |
CN102790170B true CN102790170B (zh) | 2014-11-05 |
Family
ID=47155514
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201110195635.8A Active CN102790170B (zh) | 2011-05-19 | 2011-07-13 | 磁阻感测元件及其形成方法 |
CN2012101580185A Pending CN102820424A (zh) | 2011-05-19 | 2012-05-18 | 磁阻感测元件及其形成方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2012101580185A Pending CN102820424A (zh) | 2011-05-19 | 2012-05-18 | 磁阻感测元件及其形成方法 |
Country Status (3)
Country | Link |
---|---|
US (1) | US20120293164A1 (zh) |
CN (2) | CN102790170B (zh) |
TW (1) | TWI448714B (zh) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9817078B2 (en) | 2012-05-10 | 2017-11-14 | Allegro Microsystems Llc | Methods and apparatus for magnetic sensor having integrated coil |
US10725100B2 (en) | 2013-03-15 | 2020-07-28 | Allegro Microsystems, Llc | Methods and apparatus for magnetic sensor having an externally accessible coil |
US9664755B2 (en) | 2014-01-21 | 2017-05-30 | Nxp Usa, Inc. | Magnetic field sensor with structure for reconditioning magnetic polarization of flux guides |
US9720051B2 (en) | 2014-05-29 | 2017-08-01 | Nxp Usa, Inc. | Sensor package including a magnetic field sensor and a continuous coil structure for enabling z-axis self-test capability |
TWI559424B (zh) * | 2015-03-05 | 2016-11-21 | 力晶科技股份有限公司 | 半導體晶圓的金屬汙染即時監控方法 |
US9857435B2 (en) | 2015-05-12 | 2018-01-02 | Nxp Usa, Inc. | Corruption detection and smart reset of ferromagnetic structures in magnetic field sensors |
CN105182258A (zh) * | 2015-10-21 | 2015-12-23 | 美新半导体(无锡)有限公司 | 能够实现重置和自检的磁场传感器 |
CN105259520B (zh) * | 2015-11-10 | 2018-02-27 | 美新半导体(无锡)有限公司 | 具有螺旋重置线圈的磁场传感器 |
GB201519905D0 (en) * | 2015-11-11 | 2015-12-23 | Analog Devices Global | A thin film resistive device for use in an integrated circuit, an integrated cicruit including a thin film resistive device |
CN108318848B (zh) * | 2018-02-13 | 2020-09-22 | 北京无线电计量测试研究所 | 一种沉积静电放电电流的校准装置和方法 |
TWI693418B (zh) * | 2019-03-22 | 2020-05-11 | 宇能電科技股份有限公司 | 校正磁場產生裝置及其具有自我校正磁場能力的磁場感測器與校正方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5548130A (en) * | 1992-08-11 | 1996-08-20 | Seiko Instruments Inc. | DC superconducting quantum interference device with shield layer |
US6259586B1 (en) * | 1999-09-02 | 2001-07-10 | International Business Machines Corporation | Magnetic tunnel junction sensor with AP-coupled free layer |
CN1417872A (zh) * | 2001-10-29 | 2003-05-14 | 雅马哈株式会社 | 磁传感器 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2001134910A (ja) * | 1999-08-26 | 2001-05-18 | Tdk Corp | 磁気抵抗センサ及び薄膜磁気ヘッド |
JP2001177163A (ja) * | 1999-12-20 | 2001-06-29 | Tdk Corp | 磁気変換素子および薄膜磁気ヘッド |
US6538859B1 (en) * | 2000-07-31 | 2003-03-25 | International Business Machines Corporation | Giant magnetoresistive sensor with an AP-coupled low Hk free layer |
US6984978B2 (en) * | 2002-02-11 | 2006-01-10 | Honeywell International Inc. | Magnetic field sensor |
US7054118B2 (en) * | 2002-03-28 | 2006-05-30 | Nve Corporation | Superparamagnetic field sensing devices |
US6770491B2 (en) * | 2002-08-07 | 2004-08-03 | Micron Technology, Inc. | Magnetoresistive memory and method of manufacturing the same |
JP3906139B2 (ja) * | 2002-10-16 | 2007-04-18 | 株式会社東芝 | 磁気ランダムアクセスメモリ |
US7072208B2 (en) * | 2004-07-28 | 2006-07-04 | Headway Technologies, Inc. | Vortex magnetic random access memory |
KR100712358B1 (ko) * | 2005-12-28 | 2007-05-02 | 동부일렉트로닉스 주식회사 | 반도체 소자의 다마신 배선 형성 방법 및 그에 의해 형성된다마신 배선 구조체 |
US20100033175A1 (en) * | 2007-03-30 | 2010-02-11 | Nxp, B.V. | Magneto-resistive sensor |
TWI361504B (en) * | 2008-01-30 | 2012-04-01 | Ind Tech Res Inst | Hollow stylus-shaped structure, methods for fabricating the same, and phase-change memory devices, magnetic random access memory devices, resistive random access memory devices, field emission display, multi-electrobeams direct writing lithography appara |
US9159910B2 (en) * | 2008-04-21 | 2015-10-13 | Qualcomm Incorporated | One-mask MTJ integration for STT MRAM |
IT1403433B1 (it) * | 2010-12-27 | 2013-10-17 | St Microelectronics Srl | Sensore magnetoresistivo con capacita' parassita ridotta, e metodo |
-
2011
- 2011-07-13 CN CN201110195635.8A patent/CN102790170B/zh active Active
- 2011-07-22 US US13/188,826 patent/US20120293164A1/en not_active Abandoned
-
2012
- 2012-05-18 CN CN2012101580185A patent/CN102820424A/zh active Pending
- 2012-05-18 TW TW101117790A patent/TWI448714B/zh active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5548130A (en) * | 1992-08-11 | 1996-08-20 | Seiko Instruments Inc. | DC superconducting quantum interference device with shield layer |
US6259586B1 (en) * | 1999-09-02 | 2001-07-10 | International Business Machines Corporation | Magnetic tunnel junction sensor with AP-coupled free layer |
CN1417872A (zh) * | 2001-10-29 | 2003-05-14 | 雅马哈株式会社 | 磁传感器 |
CN2600826Y (zh) * | 2001-10-29 | 2004-01-21 | 雅马哈株式会社 | 磁传感器 |
Also Published As
Publication number | Publication date |
---|---|
TW201248177A (en) | 2012-12-01 |
CN102790170A (zh) | 2012-11-21 |
TWI448714B (zh) | 2014-08-11 |
US20120293164A1 (en) | 2012-11-22 |
CN102820424A (zh) | 2012-12-12 |
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Legal Events
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C06 | Publication | ||
PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent of invention or patent application | ||
CB02 | Change of applicant information |
Address after: Taiwan Hsinchu County Chinese jhubei City, Taiwan 1 yuan a Street No. 6 Building 1 Applicant after: Voltafield Technology Corp. Address before: Taiwan Hsinchu County Tai Yuan Street Chinese jhubei City, No. 28 5 floor 2 Applicant before: Voltafield Technology Corp. |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20170718 Address after: 2/ F, Caribbean Plaza, North Tower, 878 West Bay Road, Cayman Islands, Cayman Islands Patentee after: Woo woo Electronics (Cayman) Polytron Technologies Inc Address before: Taiwan Hsinchu County Chinese jhubei City, Taiwan 1 yuan a Street No. 6 Building 1 Patentee before: Voltafield Technology Corp. |
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TR01 | Transfer of patent right |