JP2005072491A - ドライエッチング方法及び磁気メモリ装置の製造方法 - Google Patents
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- 230000005291 magnetic effect Effects 0.000 title claims abstract description 68
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001312 dry etching Methods 0.000 title claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 27
- 230000015654 memory Effects 0.000 claims abstract description 44
- 230000004888 barrier function Effects 0.000 claims abstract description 22
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052697 platinum Inorganic materials 0.000 claims abstract description 9
- 229910052748 manganese Inorganic materials 0.000 claims abstract description 4
- 239000011572 manganese Substances 0.000 claims abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 239000007789 gas Substances 0.000 claims description 50
- 230000005415 magnetization Effects 0.000 claims description 41
- 238000005530 etching Methods 0.000 claims description 30
- 239000000460 chlorine Substances 0.000 claims description 16
- 150000002500 ions Chemical class 0.000 claims description 14
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- 238000005260 corrosion Methods 0.000 claims description 13
- 230000000694 effects Effects 0.000 claims description 13
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims description 8
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 239000004020 conductor Substances 0.000 claims description 5
- 238000009832 plasma treatment Methods 0.000 claims description 5
- BSYNRYMUTXBXSQ-UHFFFAOYSA-N Aspirin Chemical compound CC(=O)OC1=CC=CC=C1C(O)=O BSYNRYMUTXBXSQ-UHFFFAOYSA-N 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 4
- 238000009616 inductively coupled plasma Methods 0.000 claims description 4
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims 1
- 230000008569 process Effects 0.000 abstract description 9
- 229910019041 PtMn Inorganic materials 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 127
- 238000009792 diffusion process Methods 0.000 description 14
- 239000011229 interlayer Substances 0.000 description 14
- 239000010949 copper Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 13
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 9
- 230000002093 peripheral effect Effects 0.000 description 9
- 229910052814 silicon oxide Inorganic materials 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 8
- 238000003860 storage Methods 0.000 description 8
- 239000000758 substrate Substances 0.000 description 8
- 239000007795 chemical reaction product Substances 0.000 description 7
- 230000005669 field effect Effects 0.000 description 7
- 239000000470 constituent Substances 0.000 description 6
- 230000008859 change Effects 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 5
- 230000002265 prevention Effects 0.000 description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 4
- 229910003321 CoFe Inorganic materials 0.000 description 4
- 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
- 229910052581 Si3N4 Inorganic materials 0.000 description 4
- 239000002885 antiferromagnetic material Substances 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 239000004065 semiconductor Substances 0.000 description 4
- HQVNEWCFYHHQES-UHFFFAOYSA-N silicon nitride Chemical compound N12[Si]34N5[Si]62N3[Si]51N64 HQVNEWCFYHHQES-UHFFFAOYSA-N 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
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- 229910052710 silicon Inorganic materials 0.000 description 3
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- 238000004544 sputter deposition Methods 0.000 description 3
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- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910000914 Mn alloy Inorganic materials 0.000 description 2
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 230000005290 antiferromagnetic effect Effects 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- 229910052759 nickel Inorganic materials 0.000 description 2
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Chemical compound [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
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- 239000000956 alloy 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
- 230000002457 bidirectional effect Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
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- 238000004891 communication Methods 0.000 description 1
- 229910001431 copper ion Inorganic materials 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
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- 230000006866 deterioration Effects 0.000 description 1
- 239000003302 ferromagnetic material Substances 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- IGOJMROYPFZEOR-UHFFFAOYSA-N manganese platinum Chemical compound [Mn].[Pt] IGOJMROYPFZEOR-UHFFFAOYSA-N 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 229920002120 photoresistant polymer Polymers 0.000 description 1
- 238000011946 reduction process Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910052703 rhodium Inorganic materials 0.000 description 1
- 239000010948 rhodium Substances 0.000 description 1
- MHOVAHRLVXNVSD-UHFFFAOYSA-N rhodium atom Chemical compound [Rh] MHOVAHRLVXNVSD-UHFFFAOYSA-N 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000000992 sputter etching Methods 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
Classifications
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- 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
- H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
- H01L21/3205—Deposition of non-insulating-, e.g. conductive- or resistive-, layers on insulating layers; After-treatment of these layers
- H01L21/321—After treatment
- H01L21/3213—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer
- H01L21/32133—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only
- H01L21/32135—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only
- H01L21/32136—Physical or chemical etching of the layers, e.g. to produce a patterned layer from a pre-deposited extensive layer by chemical means only by vapour etching only using plasmas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
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- 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
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10B—ELECTRONIC MEMORY DEVICES
- H10B61/00—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices
- H10B61/20—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors
- H10B61/22—Magnetic memory devices, e.g. magnetoresistive RAM [MRAM] devices comprising components having three or more electrodes, e.g. transistors of the field-effect transistor [FET] type
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Manufacturing & Machinery (AREA)
- General Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- General Physics & Mathematics (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Computer Hardware Design (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Power Engineering (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Theoretical Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Plasma & Fusion (AREA)
- Hall/Mr Elements (AREA)
- Mram Or Spin Memory Techniques (AREA)
- Semiconductor Memories (AREA)
- Drying Of Semiconductors (AREA)
Abstract
【解決手段】 白金及び/又はマンガンを含有する層を、パルスプラズマを用いてドライエッチングすることを特徴とするドライエッチング方法、及びこのドライエッチング方法をピン層の加工に適用したMRAMの製造方法。このMRAMは、磁化方向が固定された磁化固定層と、トンネルバリア層と、磁化方向の変化が可能な磁性層とが積層されてなるトンネル磁気抵抗効果素子によって構成された磁気メモリ素子からなるメモリ部を有する。
【選択図】 図4
Description
前記磁化固定層の少なくとも一部が白金及び/又はマンガンを含有する層からなると き、この層をパルスプラズマによるドライエッチングによって形成する
ことを特徴とする磁気メモリ装置の製造方法も提供するものである。
Cl2供給量=50sccm、チャンバ内圧力=2mTorr、ECRパワー=1000W(2.5GHz)、
バイアス=100W(600kHz)、基板(ステージ)温度=30℃、チャンバ壁温=150℃、
ECR電源のOn/Off時間=30μsec/30μsec、エッチング時間=90sec。
H2供給量=50sccm、チャンバ内圧力=2mTorr、ECRパワー=1000W(2.5GHz)、
バイアス=100W(600kHz)、基板(ステージ)温度=30℃、チャンバ壁温=150℃、
処理時間=60sec。
4…第1の磁化固定層、5…反強磁性結合層、6…第2の磁化固定層、
7…反強磁性体層、8…下地層、9…支持基板、10…TMR素子、11…ビット線、
12…書き込み用ワード線、12a、33a…コンタクトプラグ、
13…シリコン基板、14…ウェル領域、15…ゲート絶縁膜、16…ゲート電極、
17…ソース領域、18…ドレイン領域、
19…読み出し用電界効果トランジスタ(選択用トランジスタ)、20…ソース電極、
21…センスライン、22…配線、24…ワード線電流駆動回路、
25…ビット線電流駆動回路、26…磁化固定層(ピン層)、30…バリア膜、
110、120…配線溝、31、35、40、42、105…層間絶縁膜、
32、43、106…拡散防止膜、33、34…下層配線、101、103、…マスク、
102、104…絶縁膜、123…読み出しライン、A…メモリ部、B…周辺回路部
Claims (17)
- 白金及び/又はマンガンを含有する層を、パルスプラズマを用いてドライエッチングすることを特徴とするドライエッチング方法。
- 前記パルスプラズマのオン・オフ時間をそれぞれ10〜100μsecとする、請求項1に記載したドライエッチング方法。
- 前記プラズマの生成のオン・オフが可能であるプラズマソースを用いる、請求項1に記載したドライエッチング方法。
- 前記プラズマソースとして、電子サイクロトロン共鳴(ECR:Electron Cyclotron Resonance)、誘導結合プラズマ(ICP:Inductively-coupled Plasma)又はヘリコン波を用いる、請求項3に記載したドライエッチング方法。
- エッチングガスとして、負イオンを生成しうるガスを用いる、請求項1に記載したドライエッチング方法。
- 前記エッチングガスとして、Cl2、HCl、BCl3等の少なくとも塩素原子を含有するガスの少なくとも1種又はその混合ガスを用いる、請求項5に記載したドライエッチング方法。
- 少なくとも水素原子を含有するガスによる腐食防止用のプラズマ処理を付加する、請求項1に記載したドライエッチング方法。
- 前記ガスとして、H2、NH3、CH3OH、H2O等の少なくとも水素原子を含むガスの少なくとも1種又はその混合ガス、又はこれらのいずれかに希ガスを添加してなる混合ガスを用いる、請求項7に記載したドライエッチング方法。
- 磁化方向が固定された磁化固定層と、トンネルバリア層と、磁化方向の変化が可能な磁性層とが積層されてなるトンネル磁気抵抗効果素子によって構成された磁気メモリ素子からなるメモリ部を有する磁気メモリ装置の製造方法において、
前記磁化固定層の少なくとも一部が白金及び/又はマンガンを含有する層からなると き、この層をパルスプラズマによるドライエッチングによって形成する
ことを特徴とする磁気メモリ装置の製造方法。 - 前記パルスプラズマのオン・オフ時間をそれぞれ10〜100μsecとする、請求項9に記載した磁気メモリ装置の製造方法。
- 前記プラズマの生成のオン・オフが可能であるプラズマソースを用いる、請求項9に記載した磁気メモリ装置の製造方法。
- 前記プラズマソースとして、電子サイクロトロン共鳴(ECR:Electron Cyclotron Resonance)、誘導結合プラズマ(ICP:Inductively-coupled Plasma)又はヘリコン波を用いる、請求項11に記載した磁気メモリ装置の製造方法。
- エッチングガスとして、負イオンを生成しうるガスを用いる、請求項9に記載した磁気メモリ装置の製造方法。
- 前記エッチングガスとして、Cl2、HCl、BCl3等の少なくとも塩素原子を含有するガスの少なくとも1種又はその混合ガスを用いる、請求項13に記載した磁気メモリ装置の製造方法。
- 少なくとも水素原子を含有するガスによる腐食防止用のプラズマ処理を付加する、請求項9に記載した磁気メモリ装置の製造方法。
- 前記ガスとして、H2、NH3、CH3OH、H2O等の少なくとも水素原子を含むガスの少なくとも1種又はその混合ガス、又はこれらのいずれかに希ガスを添加してなる混合ガスを用いる、請求項15に記載した磁気メモリ装置の製造方法。
- 前記磁化固定層と前記磁性層との間に絶縁体層又は導電体層が挟持され、前記メモリ素子の上面及び下面に設けられたビットライン及びワードラインにそれぞれ電流を流すことによって誘起される磁界で前記磁性層を所定方向に磁化して情報を書き込み、この書き込み情報を前記トンネルバリア層を介してのトンネル磁気抵抗効果によって読み出すように構成された磁気メモリ装置を製造する、請求項9に記載した磁気メモリ装置の製造方法。
Priority Applications (6)
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JP2003303410A JP4483231B2 (ja) | 2003-08-27 | 2003-08-27 | 磁気メモリ装置の製造方法 |
EP04772248A EP1667215A4 (en) | 2003-08-27 | 2004-08-26 | DRY ETCHING METHOD AND METHOD FOR MANUFACTURING MAGNETIC MEMORY DEVICE |
US10/568,960 US7473646B2 (en) | 2003-08-27 | 2004-08-26 | Dry etching method and production method of magnetic memory device |
PCT/JP2004/012292 WO2005022622A1 (ja) | 2003-08-27 | 2004-08-26 | ドライエッチング方法および磁気メモリ装置の製造方法 |
TW093125895A TWI392013B (zh) | 2003-08-27 | 2004-08-27 | Dry etching method and manufacturing method of magnetic memory device |
US12/153,848 US7808026B2 (en) | 2003-08-27 | 2008-05-27 | Dry etching method and production method of magnetic memory device |
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JP2003303410A JP4483231B2 (ja) | 2003-08-27 | 2003-08-27 | 磁気メモリ装置の製造方法 |
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US (2) | US7473646B2 (ja) |
EP (1) | EP1667215A4 (ja) |
JP (1) | JP4483231B2 (ja) |
TW (1) | TWI392013B (ja) |
WO (1) | WO2005022622A1 (ja) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006165032A (ja) * | 2004-12-02 | 2006-06-22 | Ulvac Japan Ltd | エッチング方法および装置 |
WO2006100779A1 (ja) * | 2005-03-24 | 2006-09-28 | Fujitsu Limited | 磁気メモリ装置及びその製造方法 |
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US8872270B2 (en) | 2012-02-29 | 2014-10-28 | Samsung Electronics Co., Ltd. | Memory devices |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
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Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8516537D0 (en) * | 1985-06-29 | 1985-07-31 | Standard Telephones Cables Ltd | Pulsed plasma apparatus |
JPH03173125A (ja) | 1989-11-30 | 1991-07-26 | Toshiba Corp | 半導体装置の製造方法 |
JPH04345026A (ja) | 1991-05-22 | 1992-12-01 | Sony Corp | プラズマ処理装置 |
US5387315A (en) * | 1992-10-27 | 1995-02-07 | Micron Technology, Inc. | Process for deposition and etching of copper in multi-layer structures |
US5496437A (en) * | 1993-06-10 | 1996-03-05 | Ceram Incorporated | Reactive ion etching of lead zirconate titanate and ruthenium oxide thin films |
US5431774A (en) * | 1993-11-30 | 1995-07-11 | Texas Instruments Incorporated | Copper etching |
JPH07273120A (ja) | 1994-03-30 | 1995-10-20 | Nippon Telegr & Teleph Corp <Ntt> | 半導体基板の処理方法 |
JP3546977B2 (ja) | 1994-10-14 | 2004-07-28 | 富士通株式会社 | 半導体装置の製造方法と製造装置 |
JP3520577B2 (ja) | 1994-10-25 | 2004-04-19 | 株式会社日立製作所 | プラズマ処理装置 |
US5746930A (en) * | 1995-01-03 | 1998-05-05 | Texas Instruments Incorporated | Method and structure for forming an array of thermal sensors |
US5603848A (en) * | 1995-01-03 | 1997-02-18 | Texas Instruments Incorporated | Method for etching through a substrate to an attached coating |
US5705443A (en) * | 1995-05-30 | 1998-01-06 | Advanced Technology Materials, Inc. | Etching method for refractory materials |
CA2227195C (en) | 1995-07-27 | 2008-11-04 | Sensormatic Electronics Corporation | Image splitting, forming and processing device and method for use with no moving parts camera |
KR100317915B1 (ko) * | 1999-03-22 | 2001-12-22 | 윤종용 | 플라즈마 식각 장치 |
JP3490669B2 (ja) | 2000-07-18 | 2004-01-26 | 株式会社日立製作所 | 不揮発性材料のエッチング方法および装置 |
US6459066B1 (en) * | 2000-08-25 | 2002-10-01 | Board Of Regents, The University Of Texas System | Transmission line based inductively coupled plasma source with stable impedance |
JP4458703B2 (ja) | 2001-03-16 | 2010-04-28 | 株式会社東芝 | 磁気抵抗効果素子、その製造方法、磁気ランダムアクセスメモリ、携帯端末装置、磁気ヘッド及び磁気再生装置 |
US6551852B2 (en) * | 2001-06-11 | 2003-04-22 | Micron Technology Inc. | Method of forming a recessed magnetic storage element |
KR100825130B1 (ko) * | 2001-07-06 | 2008-04-24 | 어플라이드 머티어리얼스, 인코포레이티드 | 금속 에칭 공정 동안 플라즈마 에칭 챔버내에서 파티클을감소시키는 방법 |
JP3531628B2 (ja) | 2001-07-13 | 2004-05-31 | ソニー株式会社 | 磁気記憶装置の製造方法 |
JP2003060169A (ja) | 2001-08-15 | 2003-02-28 | Sony Corp | 磁気記憶装置の製造方法および磁気ヘッドの製造方法 |
JP2003133527A (ja) | 2001-10-24 | 2003-05-09 | Sony Corp | 磁気メモリ装置、その書き込み方法およびその製造方法 |
JP3583102B2 (ja) | 2001-12-27 | 2004-10-27 | 株式会社東芝 | 磁気スイッチング素子及び磁気メモリ |
JP3879518B2 (ja) * | 2002-01-21 | 2007-02-14 | ソニー株式会社 | 磁気記憶装置およびその製造方法 |
JP4483231B2 (ja) * | 2003-08-27 | 2010-06-16 | ソニー株式会社 | 磁気メモリ装置の製造方法 |
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2003
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Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4653470B2 (ja) * | 2004-12-02 | 2011-03-16 | 株式会社アルバック | エッチング方法 |
JP2006165032A (ja) * | 2004-12-02 | 2006-06-22 | Ulvac Japan Ltd | エッチング方法および装置 |
WO2006100779A1 (ja) * | 2005-03-24 | 2006-09-28 | Fujitsu Limited | 磁気メモリ装置及びその製造方法 |
JP2006278457A (ja) * | 2005-03-28 | 2006-10-12 | Ulvac Japan Ltd | エッチング方法 |
JP2012527129A (ja) * | 2009-05-14 | 2012-11-01 | クアルコム,インコーポレイテッド | 磁気トンネル接合デバイスおよび製作 |
JP2014135518A (ja) * | 2009-05-14 | 2014-07-24 | Qualcomm Inc | 磁気トンネル接合デバイスおよび製作 |
US9203013B2 (en) | 2009-05-14 | 2015-12-01 | Qualcomm Incorporated | Magnetic tunnel junction device and fabrication |
JP2011100815A (ja) * | 2009-11-05 | 2011-05-19 | Hitachi High-Technologies Corp | プラズマエッチング方法及び装置 |
US9246083B2 (en) | 2012-02-29 | 2016-01-26 | Samsung Electronics Co., Ltd. | Memory devices and methods of fabricating the same |
US8872270B2 (en) | 2012-02-29 | 2014-10-28 | Samsung Electronics Co., Ltd. | Memory devices |
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JP2016512923A (ja) * | 2013-03-15 | 2016-05-09 | インテル・コーポレーション | 埋め込まれた磁気トンネル接合を含む論理チップ |
US9660181B2 (en) | 2013-03-15 | 2017-05-23 | Intel Corporation | Logic chip including embedded magnetic tunnel junctions |
US9997563B2 (en) | 2013-03-15 | 2018-06-12 | Intel Corporation | Logic chip including embedded magnetic tunnel junctions |
US10644064B2 (en) | 2013-03-15 | 2020-05-05 | Intel Corporation | Logic chip including embedded magnetic tunnel junctions |
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JP2017017278A (ja) * | 2015-07-06 | 2017-01-19 | 株式会社デンソー | 金属パターンの製造方法 |
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US20070026681A1 (en) | 2007-02-01 |
US20080286883A1 (en) | 2008-11-20 |
EP1667215A4 (en) | 2010-02-24 |
TWI392013B (zh) | 2013-04-01 |
US7808026B2 (en) | 2010-10-05 |
EP1667215A1 (en) | 2006-06-07 |
TW200522199A (en) | 2005-07-01 |
JP4483231B2 (ja) | 2010-06-16 |
WO2005022622A1 (ja) | 2005-03-10 |
WO2005022622A9 (ja) | 2006-04-13 |
US7473646B2 (en) | 2009-01-06 |
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