KR20050012144A - 자성 재료의 드라이 에칭 방법 - Google Patents
자성 재료의 드라이 에칭 방법 Download PDFInfo
- Publication number
- KR20050012144A KR20050012144A KR1020040056832A KR20040056832A KR20050012144A KR 20050012144 A KR20050012144 A KR 20050012144A KR 1020040056832 A KR1020040056832 A KR 1020040056832A KR 20040056832 A KR20040056832 A KR 20040056832A KR 20050012144 A KR20050012144 A KR 20050012144A
- Authority
- KR
- South Korea
- Prior art keywords
- etching
- gas
- magnetic
- magnetic material
- etching gas
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 65
- 239000000696 magnetic material Substances 0.000 title claims abstract description 26
- 238000001312 dry etching Methods 0.000 title claims abstract description 25
- 238000005530 etching Methods 0.000 claims abstract description 127
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 16
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims abstract description 9
- 239000011368 organic material Substances 0.000 claims abstract description 7
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 97
- 239000002356 single layer Substances 0.000 claims description 8
- 229910052715 tantalum Inorganic materials 0.000 claims description 6
- 239000011261 inert gas Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 150000004767 nitrides Chemical class 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 230000005291 magnetic effect Effects 0.000 abstract description 33
- 230000006378 damage Effects 0.000 abstract description 12
- 229910010272 inorganic material Inorganic materials 0.000 abstract description 4
- 239000011147 inorganic material Substances 0.000 abstract description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Natural products C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 3
- 235000019441 ethanol Nutrition 0.000 abstract 5
- 230000000593 degrading effect Effects 0.000 abstract 1
- 239000010408 film Substances 0.000 description 31
- 230000008569 process Effects 0.000 description 25
- 239000010410 layer Substances 0.000 description 23
- 229910003321 CoFe Inorganic materials 0.000 description 21
- 239000010409 thin film Substances 0.000 description 19
- 229910045601 alloy Inorganic materials 0.000 description 18
- 239000000956 alloy Substances 0.000 description 18
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 description 16
- 238000005260 corrosion Methods 0.000 description 12
- 230000005415 magnetization Effects 0.000 description 11
- 238000001020 plasma etching Methods 0.000 description 10
- 239000000758 substrate Substances 0.000 description 9
- 230000000052 comparative effect Effects 0.000 description 8
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 7
- 229910020707 Co—Pt Inorganic materials 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 6
- 238000012360 testing method Methods 0.000 description 6
- 239000000460 chlorine Substances 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910052801 chlorine Inorganic materials 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 230000007423 decrease Effects 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 238000000992 sputter etching Methods 0.000 description 4
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 description 3
- 229910020598 Co Fe Inorganic materials 0.000 description 3
- 229910002519 Co-Fe Inorganic materials 0.000 description 3
- 229910020708 Co—Pd Inorganic materials 0.000 description 3
- 229910017060 Fe Cr Inorganic materials 0.000 description 3
- 229910002544 Fe-Cr Inorganic materials 0.000 description 3
- 229910002555 FeNi Inorganic materials 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000005294 ferromagnetic effect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- -1 nitrogen-containing compound Chemical class 0.000 description 3
- 239000013077 target material Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 229910018979 CoPt Inorganic materials 0.000 description 2
- 229910000599 Cr alloy Inorganic materials 0.000 description 2
- 229910002551 Fe-Mn Inorganic materials 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 229910019041 PtMn Inorganic materials 0.000 description 2
- 229910002091 carbon monoxide Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 150000002500 ions Chemical class 0.000 description 2
- 150000002576 ketones Chemical class 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- XNLICIUVMPYHGG-UHFFFAOYSA-N pentan-2-one Chemical compound CCCC(C)=O XNLICIUVMPYHGG-UHFFFAOYSA-N 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical group CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- OTMSDBZUPAUEDD-UHFFFAOYSA-N Ethane Chemical compound CC OTMSDBZUPAUEDD-UHFFFAOYSA-N 0.000 description 1
- 229910015136 FeMn Inorganic materials 0.000 description 1
- 101000687448 Homo sapiens REST corepressor 1 Proteins 0.000 description 1
- 102100024864 REST corepressor 1 Human genes 0.000 description 1
- 229910004298 SiO 2 Inorganic materials 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000005290 antiferromagnetic effect Effects 0.000 description 1
- 239000001273 butane Substances 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000002542 deteriorative effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- IJDNQMDRQITEOD-UHFFFAOYSA-N n-butane Chemical compound CCCC IJDNQMDRQITEOD-UHFFFAOYSA-N 0.000 description 1
- OFBQJSOFQDEBGM-UHFFFAOYSA-N n-pentane Natural products CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 230000003685 thermal hair damage Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
Classifications
-
- 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
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/306—Chemical or electrical treatment, e.g. electrolytic etching
- H01L21/3065—Plasma etching; Reactive-ion etching
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
- C23F4/00—Processes for removing metallic material from surfaces, not provided for in group C23F1/00 or C23F3/00
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- G11C11/02—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements
- G11C11/16—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect
- G11C11/161—Digital stores characterised by the use of particular electric or magnetic storage elements; Storage elements therefor using magnetic elements using elements in which the storage effect is based on magnetic spin effect details concerning the memory cell structure, e.g. the layers of the ferromagnetic memory cell
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/14—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates
- H01F41/30—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE]
- H01F41/302—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F41/308—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for applying magnetic films to substrates for applying nanostructures, e.g. by molecular beam epitaxy [MBE] for applying spin-exchange-coupled multilayers, e.g. nanostructured superlattices lift-off processes, e.g. ion milling, for trimming or patterning
-
- 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
- H10N50/01—Manufacture or treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F10/00—Thin magnetic films, e.g. of one-domain structure
- H01F10/32—Spin-exchange-coupled multilayers, e.g. nanostructured superlattices
- H01F10/324—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer
- H01F10/3254—Exchange coupling of magnetic film pairs via a very thin non-magnetic spacer, e.g. by exchange with conduction electrons of the spacer the spacer being semiconducting or insulating, e.g. for spin tunnel junction [STJ]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2237/00—Discharge tubes exposing object to beam, e.g. for analysis treatment, etching, imaging
- H01J2237/32—Processing objects by plasma generation
- H01J2237/33—Processing objects by plasma generation characterised by the type of processing
- H01J2237/334—Etching
- H01J2237/3343—Problems associated with etching
-
- 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
- Y10T29/49048—Machining magnetic material [e.g., grinding, etching, polishing]
- Y10T29/49052—Machining magnetic material [e.g., grinding, etching, polishing] by etching
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Organic Chemistry (AREA)
- Metallurgy (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Plasma & Fusion (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Hall/Mr Elements (AREA)
- Drying Of Semiconductors (AREA)
- Mram Or Spin Memory Techniques (AREA)
- ing And Chemical Polishing (AREA)
Abstract
Description
Claims (6)
- 에칭 가스로서 수산기를 적어도1개 이상 갖는 알콜을 이용하여, 해당 에칭 가스의 플라즈마를 형성하고, 비유기계 재료로 이루어진 마스크재를 이용하여 자성 재료를 드라이 에칭하는 방법.
- 제 1 항에 있어서, 수산기의 수는 1개인 것을 특징으로 하는 드라이 에칭 방법.
- 제 1 항 또는 제 2 항에 있어서, 에칭 가스는, 메탄올(CH30H), 에탄올(C2H50H), 프로판올(C3H7OH)로 이루어진 군으로부터 선택된 알콜인 것을 특징으로 하는 드라이 에칭 방법.
- 제 1 항 내지 제 3 항중 어느 한 항에 있어서, 비유기계 재료로 이루어진 마스크재는, Ta, Ti, Al, Si중 어느 하나의 단층막 또는 적층막으로 이루어진 마스크 재, 또는, Ta, Ti, Al, Si중 어느 하나의 산화물 또는 질화물의 단층막 또는 적층막으로 이루어진 마스크재인 것을 특징으로 하는 드라이 에칭 방법.
- 제 1 항 내지 제 4 항중 어느 한 항에 있어서, 자성 재료는 8족의 철족 원소의 단체 금속 또는 해당 단체 금속을 주요 구성 원소로 하는 자성 재료인 것을 특징으로 하는 드라이 에칭 방법.
- 제 1 항 내지 제 5 항중 어느 한 항에 있어서, 에칭 가스에는 첨가 가스로서, 산소 가스, 물, 불활성 가스중의 적어도 1종 이상이, 산소 가스 및 물은 에칭 가스에 대해 각각 25%를 넘지 않는 범위, 불활성가스는 에칭 가스에 대하여 90%를 넘지 않는 범위에서 첨가되어 있는 것을 특징으로 하는 드라이 에칭 방법.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003201254A JP4111274B2 (ja) | 2003-07-24 | 2003-07-24 | 磁性材料のドライエッチング方法 |
JPJP-P-2003-00201254 | 2003-07-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20050012144A true KR20050012144A (ko) | 2005-01-31 |
KR101041049B1 KR101041049B1 (ko) | 2011-06-13 |
Family
ID=33487651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020040056832A KR101041049B1 (ko) | 2003-07-24 | 2004-07-21 | 자성 재료의 드라이 에칭 방법 |
Country Status (6)
Country | Link |
---|---|
US (2) | US7060194B2 (ko) |
EP (3) | EP2184380A1 (ko) |
JP (1) | JP4111274B2 (ko) |
KR (1) | KR101041049B1 (ko) |
CN (2) | CN1603468A (ko) |
TW (1) | TW200508418A (ko) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101066158B1 (ko) * | 2009-05-27 | 2011-09-20 | 캐논 아네르바 가부시키가이샤 | 자기 소자의 제조 방법 및 제조 장치 |
KR20130043587A (ko) * | 2011-10-20 | 2013-04-30 | 도쿄엘렉트론가부시키가이샤 | 금속막의 드라이 에칭 방법 |
KR101314830B1 (ko) * | 2011-08-16 | 2013-10-04 | 인하대학교 산학협력단 | 알칸계 혼합가스를 이용한 자성박막의 식각방법 |
Families Citing this family (59)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4769002B2 (ja) * | 2005-03-28 | 2011-09-07 | 株式会社アルバック | エッチング方法 |
US8540852B2 (en) | 2005-09-13 | 2013-09-24 | Canon Anelva Corporation | Method and apparatus for manufacturing magnetoresistive devices |
JP5085637B2 (ja) * | 2006-03-16 | 2012-11-28 | ティーガル コーポレイション | Mramデバイス構造内の電気的短絡を排除するドライエッチング停止処理 |
US8450119B2 (en) * | 2006-03-17 | 2013-05-28 | Magic Technologies, Inc. | Magnetic tunnel junction patterning using Ta/TaN as hard mask |
RU2390883C1 (ru) | 2006-09-13 | 2010-05-27 | Кэнон АНЕЛВА Корпорейшн | Способ изготовления элемента с магниторезистивным эффектом и многокамерное устройство для изготовления элемента с магниторезистивным эффектом |
US7838436B2 (en) * | 2006-09-28 | 2010-11-23 | Magic Technologies, Inc. | Bottom electrode for MRAM device and method to fabricate it |
KR20100005058A (ko) * | 2007-03-30 | 2010-01-13 | 캐논 아네르바 가부시키가이샤 | 자성소자 제조방법 |
US7696551B2 (en) * | 2007-09-20 | 2010-04-13 | Magic Technologies, Inc. | Composite hard mask for the etching of nanometer size magnetic multilayer based device |
US8298430B2 (en) * | 2007-10-25 | 2012-10-30 | Tdk Corporation | Method of etching magnetoresistive film by using a plurality of metal hard masks |
JP4585612B2 (ja) * | 2008-02-22 | 2010-11-24 | キヤノンアネルバ株式会社 | 抵抗変化素子の製造法 |
JP4468469B2 (ja) | 2008-07-25 | 2010-05-26 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4489132B2 (ja) | 2008-08-22 | 2010-06-23 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP5105248B2 (ja) | 2008-08-26 | 2012-12-26 | 富士電機株式会社 | 凹凸パターンの形成方法およびパターンドメディア型磁気記録媒体の製造方法 |
WO2010038593A1 (ja) * | 2008-09-30 | 2010-04-08 | キヤノンアネルバ株式会社 | ハードバイアス積層体の成膜装置および成膜方法、並びに磁気センサ積層体の製造装置および製造方法 |
JP4551957B2 (ja) | 2008-12-12 | 2010-09-29 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4568367B2 (ja) | 2009-02-20 | 2010-10-27 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4575499B2 (ja) | 2009-02-20 | 2010-11-04 | 株式会社東芝 | 磁気記録媒体の製造方法 |
JP4575498B2 (ja) | 2009-02-20 | 2010-11-04 | 株式会社東芝 | 磁気記録媒体の製造方法 |
US20100301008A1 (en) * | 2009-05-27 | 2010-12-02 | Canon Anelva Corporation | Process and apparatus for fabricating magnetic device |
US8611055B1 (en) | 2009-07-31 | 2013-12-17 | Western Digital (Fremont), Llc | Magnetic etch-stop layer for magnetoresistive read heads |
JP5309213B2 (ja) | 2009-08-25 | 2013-10-09 | キヤノンアネルバ株式会社 | プラズマ処理装置およびデバイスの製造方法 |
US8722543B2 (en) | 2010-07-30 | 2014-05-13 | Headway Technologies, Inc. | Composite hard mask with upper sacrificial dielectric layer for the patterning and etching of nanometer size MRAM devices |
JP2012038815A (ja) * | 2010-08-04 | 2012-02-23 | Toshiba Corp | 磁気抵抗素子の製造方法 |
US9793126B2 (en) | 2010-08-04 | 2017-10-17 | Lam Research Corporation | Ion to neutral control for wafer processing with dual plasma source reactor |
JP5238780B2 (ja) | 2010-09-17 | 2013-07-17 | 株式会社東芝 | 磁気記録媒体とその製造方法及び磁気記録装置 |
JP2012099589A (ja) | 2010-11-01 | 2012-05-24 | Hitachi High-Technologies Corp | プラズマ処理方法 |
US8928100B2 (en) | 2011-06-24 | 2015-01-06 | International Business Machines Corporation | Spin transfer torque cell for magnetic random access memory |
KR101566863B1 (ko) | 2011-08-25 | 2015-11-06 | 캐논 아네르바 가부시키가이샤 | 자기저항 소자의 제조 방법 및 자기저항 필름의 가공 방법 |
US9039911B2 (en) | 2012-08-27 | 2015-05-26 | Lam Research Corporation | Plasma-enhanced etching in an augmented plasma processing system |
US10388491B2 (en) | 2011-10-31 | 2019-08-20 | Canon Anelva Corporation | Ion beam etching method of magnetic film and ion beam etching apparatus |
WO2013099372A1 (ja) * | 2011-12-27 | 2013-07-04 | キヤノンアネルバ株式会社 | 放電容器及びプラズマ処理装置 |
US9023219B2 (en) * | 2012-04-26 | 2015-05-05 | Everspin Technologies, Inc. | Method of manufacturing a magnetoresistive device |
US9419211B2 (en) * | 2012-10-30 | 2016-08-16 | Tokyo Electron Limited | Etching method and substrate processing apparatus |
JP2014090109A (ja) | 2012-10-31 | 2014-05-15 | Hitachi High-Technologies Corp | 磁気抵抗素子の製造方法 |
US8633117B1 (en) | 2012-11-07 | 2014-01-21 | International Business Machines Corporation | Sputter and surface modification etch processing for metal patterning in integrated circuits |
JP2014212310A (ja) * | 2013-04-02 | 2014-11-13 | 東京エレクトロン株式会社 | 半導体デバイスの製造方法及び製造装置 |
US9230819B2 (en) | 2013-04-05 | 2016-01-05 | Lam Research Corporation | Internal plasma grid applications for semiconductor fabrication in context of ion-ion plasma processing |
US9245761B2 (en) | 2013-04-05 | 2016-01-26 | Lam Research Corporation | Internal plasma grid for semiconductor fabrication |
US8914970B2 (en) | 2013-04-23 | 2014-12-23 | HGST Netherlands B.V. | Method for making a tunneling magnetoresistive (TMR) sensor |
US9017526B2 (en) | 2013-07-08 | 2015-04-28 | Lam Research Corporation | Ion beam etching system |
US9147581B2 (en) | 2013-07-11 | 2015-09-29 | Lam Research Corporation | Dual chamber plasma etcher with ion accelerator |
US20150072440A1 (en) * | 2013-09-09 | 2015-03-12 | Satoshi Inada | Method of manufacturing magnetoresistive element |
US9425388B2 (en) | 2013-09-12 | 2016-08-23 | Kabushiki Kaisha Toshiba | Magnetic element and method of manufacturing the same |
CN104600194B (zh) * | 2014-12-29 | 2017-08-08 | 上海华虹宏力半导体制造有限公司 | 提高磁性膜AMR的金属Ta成膜方法 |
US10249479B2 (en) * | 2015-01-30 | 2019-04-02 | Applied Materials, Inc. | Magnet configurations for radial uniformity tuning of ICP plasmas |
JP6460853B2 (ja) | 2015-03-12 | 2019-01-30 | 東京エレクトロン株式会社 | 磁性層をエッチングする方法 |
JP6506702B2 (ja) | 2016-01-04 | 2019-04-24 | 株式会社日立ハイテクノロジーズ | 磁気抵抗素子の製造方法および真空処理装置 |
CN107331769B (zh) * | 2016-04-29 | 2020-10-27 | 上海磁宇信息科技有限公司 | 一种反应离子束选择性刻蚀磁性隧道结双层硬掩模的方法 |
US9940963B1 (en) | 2016-11-17 | 2018-04-10 | Western Digital Technologies, Inc. | Magnetic media with atom implanted magnetic layer |
US10522749B2 (en) * | 2017-05-15 | 2019-12-31 | Taiwan Semiconductor Manufacturing Company, Ltd. | Combined physical and chemical etch to reduce magnetic tunnel junction (MTJ) sidewall damage |
US10043851B1 (en) | 2017-08-03 | 2018-08-07 | Headway Technologies, Inc. | Etch selectivity by introducing oxidants to noble gas during physical magnetic tunnel junction (MTJ) etching |
US10359699B2 (en) | 2017-08-24 | 2019-07-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | Self-adaptive halogen treatment to improve photoresist pattern and magnetoresistive random access memory (MRAM) device uniformity |
US10833255B2 (en) | 2017-09-21 | 2020-11-10 | Hitachi High-Tech Corporation | Method for manufacturing magnetic tunnel junction element, and inductively coupled plasma processing apparatus |
US10038138B1 (en) | 2017-10-10 | 2018-07-31 | Headway Technologies, Inc. | High temperature volatilization of sidewall materials from patterned magnetic tunnel junctions |
US10134981B1 (en) | 2017-10-20 | 2018-11-20 | Headway Technologies, Inc. | Free layer sidewall oxidation and spacer assisted magnetic tunnel junction (MTJ) etch for high performance magnetoresistive random access memory (MRAM) devices |
US10325639B2 (en) | 2017-11-20 | 2019-06-18 | Taiwan Semiconductor Manufacturing Company, Ltd. | Initialization process for magnetic random access memory (MRAM) production |
US10153427B1 (en) | 2017-12-28 | 2018-12-11 | Headway Technologies, Inc. | Magnetic tunnel junction (MTJ) performance by introducing oxidants to methanol with or without noble gas during MTJ etch |
US10475991B2 (en) | 2018-02-22 | 2019-11-12 | Taiwan Semiconductor Manufacturing Company, Ltd. | Fabrication of large height top metal electrode for sub-60nm magnetoresistive random access memory (MRAM) devices |
KR102183391B1 (ko) | 2018-06-20 | 2020-11-30 | 주식회사 히타치하이테크 | 자기 저항 소자의 제조 방법 및 자기 저항 소자 |
Family Cites Families (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3376186D1 (en) * | 1983-08-02 | 1988-05-05 | Ibm Deutschland | Dry-etching process and its use |
US4687543A (en) | 1986-02-21 | 1987-08-18 | Tegal Corporation | Selective plasma etching during formation of integrated circuitry |
US4838994A (en) * | 1987-06-26 | 1989-06-13 | Siemens Aktiengesellschaft | Method for structuring a copper and/or permalloy layer by means of dry etching |
JPS6417795A (en) | 1987-07-13 | 1989-01-20 | Yoshikane Noguchi | Clip for traction detachably gripping traction rope |
EP0416774B1 (en) * | 1989-08-28 | 2000-11-15 | Hitachi, Ltd. | A method of treating a sample of aluminium-containing material |
JP2781656B2 (ja) * | 1990-11-21 | 1998-07-30 | 株式会社日立製作所 | 記録媒体 |
US5171411A (en) * | 1991-05-21 | 1992-12-15 | The Boc Group, Inc. | Rotating cylindrical magnetron structure with self supporting zinc alloy target |
JPH05102142A (ja) * | 1991-10-04 | 1993-04-23 | Sony Corp | アルミニウム系金属パターンの形成方法 |
US6825156B2 (en) * | 2002-06-06 | 2004-11-30 | Ekc Technology, Inc. | Semiconductor process residue removal composition and process |
JP3110250B2 (ja) * | 1993-06-23 | 2000-11-20 | 株式会社東芝 | 磁性体含有層の製造方法 |
JP3460347B2 (ja) * | 1994-03-30 | 2003-10-27 | 松下電器産業株式会社 | 半導体装置の製造方法 |
JP2677321B2 (ja) | 1995-03-15 | 1997-11-17 | 科学技術庁金属材料技術研究所長 | ドライエッチング方法 |
JPH09205078A (ja) * | 1996-01-25 | 1997-08-05 | Sony Corp | ドライエッチング方法 |
JPH10177995A (ja) * | 1996-12-18 | 1998-06-30 | Sony Corp | 積層配線パターン形成方法 |
JP3176311B2 (ja) * | 1997-03-31 | 2001-06-18 | 日本電気株式会社 | シリコン層のエッチング方法 |
US6238582B1 (en) * | 1999-03-30 | 2001-05-29 | Veeco Instruments, Inc. | Reactive ion beam etching method and a thin film head fabricated using the method |
JP2001110663A (ja) * | 1999-10-08 | 2001-04-20 | Hitachi Ltd | 試料の処理方法および処理装置並びに磁気ヘッドの製作方法 |
JP3433721B2 (ja) * | 2000-03-28 | 2003-08-04 | ティーディーケイ株式会社 | ドライエッチング方法及び微細加工方法 |
JP3445584B2 (ja) * | 2001-08-10 | 2003-09-08 | 沖電気工業株式会社 | 反射防止膜のエッチング方法 |
US20030038106A1 (en) * | 2001-08-21 | 2003-02-27 | Seagate Technology Llc | Enhanced ion beam etch selectivity of magnetic thin films using carbon-based gases |
US6835665B2 (en) * | 2002-03-06 | 2004-12-28 | Hitachi High-Technologies Corporation | Etching method of hardly-etched material and semiconductor fabricating method and apparatus using the method |
US6821907B2 (en) * | 2002-03-06 | 2004-11-23 | Applied Materials Inc | Etching methods for a magnetic memory cell stack |
JP2004332045A (ja) * | 2003-05-07 | 2004-11-25 | Renesas Technology Corp | 多層膜材料のドライエッチング方法 |
-
2003
- 2003-07-24 JP JP2003201254A patent/JP4111274B2/ja not_active Expired - Lifetime
-
2004
- 2004-07-14 TW TW093121022A patent/TW200508418A/zh unknown
- 2004-07-21 KR KR1020040056832A patent/KR101041049B1/ko active IP Right Grant
- 2004-07-23 US US10/897,127 patent/US7060194B2/en not_active Ceased
- 2004-07-23 CN CNA2004100959077A patent/CN1603468A/zh active Pending
- 2004-07-23 CN CN2008101100088A patent/CN101624701B/zh active Active
- 2004-07-26 EP EP10001013A patent/EP2184380A1/en not_active Withdrawn
- 2004-07-26 EP EP10001014A patent/EP2184381A1/en not_active Withdrawn
- 2004-07-26 EP EP04254457A patent/EP1500720A1/en not_active Withdrawn
-
2008
- 2008-06-12 US US12/138,280 patent/USRE40951E1/en active Active
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101066158B1 (ko) * | 2009-05-27 | 2011-09-20 | 캐논 아네르바 가부시키가이샤 | 자기 소자의 제조 방법 및 제조 장치 |
KR101314830B1 (ko) * | 2011-08-16 | 2013-10-04 | 인하대학교 산학협력단 | 알칸계 혼합가스를 이용한 자성박막의 식각방법 |
KR20130043587A (ko) * | 2011-10-20 | 2013-04-30 | 도쿄엘렉트론가부시키가이샤 | 금속막의 드라이 에칭 방법 |
Also Published As
Publication number | Publication date |
---|---|
EP1500720A1 (en) | 2005-01-26 |
JP2005042143A (ja) | 2005-02-17 |
US7060194B2 (en) | 2006-06-13 |
US20050016957A1 (en) | 2005-01-27 |
USRE40951E1 (en) | 2009-11-10 |
TW200508418A (en) | 2005-03-01 |
CN1603468A (zh) | 2005-04-06 |
TWI351445B (ko) | 2011-11-01 |
EP2184380A1 (en) | 2010-05-12 |
JP4111274B2 (ja) | 2008-07-02 |
CN101624701A (zh) | 2010-01-13 |
CN101624701B (zh) | 2011-04-20 |
EP2184381A1 (en) | 2010-05-12 |
KR101041049B1 (ko) | 2011-06-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR101041049B1 (ko) | 자성 재료의 드라이 에칭 방법 | |
KR101066158B1 (ko) | 자기 소자의 제조 방법 및 제조 장치 | |
US9601688B2 (en) | Method of manufacturing magnetoresistive element and method of processing magnetoresistive film | |
US20100044340A1 (en) | Method of fabricating magnetic device | |
KR100955000B1 (ko) | 자성소자의 제조방법 | |
US20120032288A1 (en) | Magnetoresistive element and method of manufacturing the same | |
KR101574155B1 (ko) | 자기 저항 효과 소자의 제조 방법 | |
KR101862632B1 (ko) | 자기 저항 효과 소자의 제조 방법 및 제조 시스템 | |
Matsui et al. | Etching characteristics of magnetic materials (Co, Fe, Ni) using CO/NH3 gas plasma for hardening mask etching | |
JP2012204408A (ja) | 半導体装置の製造方法 | |
TW201503257A (zh) | 電漿蝕刻方法 | |
US20100301008A1 (en) | Process and apparatus for fabricating magnetic device | |
JP2011014679A (ja) | 磁性素子の製造法及び記憶媒体 | |
WO2012090474A1 (ja) | 電極膜の加工方法、磁性膜の加工方法、磁性膜を有する積層体、および該積層体の製造方法 | |
Hwang et al. | Etch characteristics of CoFeB thin films and magnetic tunnel junction stacks in a H 2 O/CH 3 OH plasma | |
Luo et al. | Large area nanorings fabricated using an atomic layer deposition Al2O3 spacer for magnetic random access memory application | |
JP2005268349A (ja) | 反応性イオンエッチング方法および反応性イオンエッチング装置 | |
KR100631024B1 (ko) | 질화물계 비정질 연자성 박막, 자성소자 및 질화물계비정질 연자성 박막의 제조방법 | |
Ra et al. | Submicron patterning of Ta, NiFe, and Pac-man type Ta/NiFe/Ta magnetic elements | |
KR20160111073A (ko) | 호이슬러 합금 박막의 식각방법 | |
JP2011014677A (ja) | 磁性素子の製造法及び記憶媒体 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
E902 | Notification of reason for refusal | ||
E701 | Decision to grant or registration of patent right | ||
GRNT | Written decision to grant | ||
FPAY | Annual fee payment |
Payment date: 20140530 Year of fee payment: 4 |
|
FPAY | Annual fee payment |
Payment date: 20150515 Year of fee payment: 5 |
|
FPAY | Annual fee payment |
Payment date: 20160517 Year of fee payment: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170522 Year of fee payment: 7 |
|
FPAY | Annual fee payment |
Payment date: 20180516 Year of fee payment: 8 |
|
FPAY | Annual fee payment |
Payment date: 20190515 Year of fee payment: 9 |