JP4782037B2 - 磁気抵抗効果素子の製造方法及び製造装置 - Google Patents
磁気抵抗効果素子の製造方法及び製造装置 Download PDFInfo
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- JP4782037B2 JP4782037B2 JP2007034686A JP2007034686A JP4782037B2 JP 4782037 B2 JP4782037 B2 JP 4782037B2 JP 2007034686 A JP2007034686 A JP 2007034686A JP 2007034686 A JP2007034686 A JP 2007034686A JP 4782037 B2 JP4782037 B2 JP 4782037B2
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- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
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- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/14—Metallic material, boron or silicon
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- 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
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- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/56—Apparatus specially adapted for continuous coating; Arrangements for maintaining the vacuum, e.g. vacuum locks
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H—ELECTRICITY
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- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
- H01J37/3414—Targets
- H01J37/3426—Material
- H01J37/3429—Plural materials
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/32—Gas-filled discharge tubes
- H01J37/34—Gas-filled discharge tubes operating with cathodic sputtering
- H01J37/3411—Constructional aspects of the reactor
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
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Description
例えば、RAが5Ω−μm2において、マスク295と基板12とを接触させた場合(▲)よりも、マスク295と基板12とを離間させた場合(●)の方が、より高いMR比を得ることができ、全体としてもマスク295と基板12とを離間させた場合(●)の方が、低RA高MR比の両立という課題をより解決しているものである。従って、金属製のマスク295と基板12とを離間させることによって、マスク295と基板12とが電気的に絶縁された状態となり、MgO成膜中においてMgO層に電流が流れることが防止され、その結果、MgO層の膜質の劣化防止、ひいては磁気抵抗効果素子の特性の悪化を回避することができたものと考えられる。
3 第2の強磁性層
4 MgO層
5 Ru層
6 CoFe層
8 反強磁性層(PtMn)
9 下部電極層
10 上部電極層
10a 上部電極層(Ta)
10b 上部電極層(Ta)
10c 上部電極層(Cu)
11 酸化防止層
12、120 基板
21 第1成膜室
22 仕切板
23 ターゲット取付部
24 ターゲット(MgO)
25 ターゲット取付部
26 ターゲット(Ta)
27、28 シャッタ
29 基板保持部
31 シャッタ
34 バルブ
35 真空排気手段
36 防着シールド
37 成膜室内壁
41 第2成膜室
42 第3成膜室
43 搬送室
44 ロードロック室
45 アンロードロック室
46 第1のTa成膜手段
47 MgO成膜手段
48 PtMn成膜手段
49 CoFe成膜手段
50 Ta成膜手段
51 Ru成膜手段
52 CoFeB成膜手段
61a 第1のTa層
61b 第2のTa層
62 CuN層
62a 第1のCuN層
62b 第2のCuN層
64、640 下部電極層
65 CuN成膜手段
66 Mg層
67 Mg成膜手段
68 下地層(Ta)
69 下地層(Ru)
80 反強磁性層(IrMn)
290 基板載置台
295 マスク
Claims (3)
- Ta、CuN、CoFe、Ru、CoFeB、Ti、Mg、Cr、及びZrの1以上からなる、金属を含有するターゲットをスパッタリングして、成膜室の内壁に被着する第一工程と、
前記第一工程後に、前記成膜室においてMgOターゲットに高周波電力を印加してスパッタリング法によりMgO層を形成する第二工程と、を有すること
を特徴とする磁気抵抗効果素子の製造方法。 - 第一電極と、該第一電極の上に位置する第一強磁性層と、該第一強磁性層の上に位置するMgO層と、該MgO層の上に位置する第二強磁性層と、該第二強磁性層の上に位置する第二電極と、を有する多層積層膜からなる磁気抵抗効果素子の製造方法であって、
酸化性ガスに対するゲッタ効果がMgOより大きく、かつ前記第二電極を構成する物質と同一の物質を含有するターゲットを用いて、成膜室の内壁に前記第二電極を構成する物質からなる膜を被着するようにスパッタリングする第一工程と、
前記第一工程後に、前記成膜室において、MgOターゲットをスパッタリングし、前記MgO層を成膜する第二工程と、
前記第二工程後に、前記第二電極を構成する物質から成るターゲットを用いてスパッタリングして、前記第二電極を形成する第三工程と、を有すること
を特徴とする磁気抵抗効果素子の製造方法。 - 前記第三工程は、前記成膜室において行われることを特徴とする請求項2に記載の磁気抵抗効果素子の製造方法。
Priority Applications (11)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2007034686A JP4782037B2 (ja) | 2006-03-03 | 2007-02-15 | 磁気抵抗効果素子の製造方法及び製造装置 |
| RU2008138423/28A RU2008138423A (ru) | 2006-03-03 | 2007-02-26 | Способ и устройство для изготовления магниторезистивного элемента |
| US12/224,646 US10629804B2 (en) | 2006-03-03 | 2007-02-26 | Method of manufacturing magnetoresistive device |
| EP08168830A EP2037512A1 (en) | 2006-03-03 | 2007-02-26 | Method of manufacturing magneto-resistive device and apparatus for manufacturing the same |
| CN201210345416.8A CN102867910B (zh) | 2006-03-03 | 2007-02-26 | 磁阻效应元件的制造方法 |
| PCT/JP2007/053487 WO2007105472A1 (ja) | 2006-03-03 | 2007-02-26 | 磁気抵抗効果素子の製造方法及び製造装置 |
| CN2009101467886A CN101615653B (zh) | 2006-03-03 | 2007-02-26 | 磁阻效应元件的制造方法以及制造设备 |
| EP07714919.3A EP2015377B1 (en) | 2006-03-03 | 2007-02-26 | Method of manufacturing a magneto-resistive device |
| KR1020087024222A KR101053232B1 (ko) | 2006-03-03 | 2007-02-26 | 자기저항효과 소자의 제조방법 및 제조장치 |
| TW096107307A TWI387966B (zh) | 2006-03-03 | 2007-03-03 | 製造磁阻效應元件的方法 |
| US13/177,237 US8367156B2 (en) | 2006-03-03 | 2011-07-06 | Method of manufacturing magnetoresistive device and apparatus for manufacturing the same |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006058748 | 2006-03-03 | ||
| JP2006058748 | 2006-03-03 | ||
| JP2007034686A JP4782037B2 (ja) | 2006-03-03 | 2007-02-15 | 磁気抵抗効果素子の製造方法及び製造装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008042175A Division JP4679595B2 (ja) | 2006-03-03 | 2008-02-22 | 磁気抵抗効果素子の製造方法及び製造装置 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2007266584A JP2007266584A (ja) | 2007-10-11 |
| JP2007266584A5 JP2007266584A5 (ja) | 2008-04-10 |
| JP4782037B2 true JP4782037B2 (ja) | 2011-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| JP2007034686A Active JP4782037B2 (ja) | 2006-03-03 | 2007-02-15 | 磁気抵抗効果素子の製造方法及び製造装置 |
Country Status (8)
| Country | Link |
|---|---|
| US (2) | US10629804B2 (ja) |
| EP (2) | EP2037512A1 (ja) |
| JP (1) | JP4782037B2 (ja) |
| KR (1) | KR101053232B1 (ja) |
| CN (1) | CN102867910B (ja) |
| RU (1) | RU2008138423A (ja) |
| TW (1) | TWI387966B (ja) |
| WO (1) | WO2007105472A1 (ja) |
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2007
- 2007-02-15 JP JP2007034686A patent/JP4782037B2/ja active Active
- 2007-02-26 US US12/224,646 patent/US10629804B2/en active Active
- 2007-02-26 EP EP08168830A patent/EP2037512A1/en not_active Withdrawn
- 2007-02-26 KR KR1020087024222A patent/KR101053232B1/ko active Active
- 2007-02-26 WO PCT/JP2007/053487 patent/WO2007105472A1/ja not_active Ceased
- 2007-02-26 EP EP07714919.3A patent/EP2015377B1/en active Active
- 2007-02-26 CN CN201210345416.8A patent/CN102867910B/zh active Active
- 2007-02-26 RU RU2008138423/28A patent/RU2008138423A/ru unknown
- 2007-03-03 TW TW096107307A patent/TWI387966B/zh active
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2011
- 2011-07-06 US US13/177,237 patent/US8367156B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| RU2008138423A (ru) | 2010-04-10 |
| US10629804B2 (en) | 2020-04-21 |
| EP2037512A1 (en) | 2009-03-18 |
| EP2015377A4 (en) | 2012-10-31 |
| KR101053232B1 (ko) | 2011-08-01 |
| US20090148595A1 (en) | 2009-06-11 |
| TWI387966B (zh) | 2013-03-01 |
| CN102867910A (zh) | 2013-01-09 |
| US20110262634A1 (en) | 2011-10-27 |
| KR20080108269A (ko) | 2008-12-12 |
| EP2015377A1 (en) | 2009-01-14 |
| JP2007266584A (ja) | 2007-10-11 |
| EP2015377B1 (en) | 2014-11-19 |
| WO2007105472A1 (ja) | 2007-09-20 |
| TW200802366A (en) | 2008-01-01 |
| US8367156B2 (en) | 2013-02-05 |
| CN102867910B (zh) | 2016-05-04 |
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