WO2012073882A1 - スパッタリングターゲット - Google Patents
スパッタリングターゲット Download PDFInfo
- Publication number
- WO2012073882A1 WO2012073882A1 PCT/JP2011/077362 JP2011077362W WO2012073882A1 WO 2012073882 A1 WO2012073882 A1 WO 2012073882A1 JP 2011077362 W JP2011077362 W JP 2011077362W WO 2012073882 A1 WO2012073882 A1 WO 2012073882A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sputtering target
- powder
- mol
- sputtering
- sintering
- Prior art date
Links
Images
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
- G11B5/84—Processes or apparatus specially adapted for manufacturing record carriers
- G11B5/851—Coating a support with a magnetic layer by sputtering
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C33/00—Making ferrous alloys
- C22C33/02—Making ferrous alloys by powder metallurgy
- C22C33/0257—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements
- C22C33/0278—Making ferrous alloys by powder metallurgy characterised by the range of the alloying elements with at least one alloying element having a minimum content above 5%
-
- 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
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
- C23C14/34—Sputtering
- C23C14/3407—Cathode assembly for sputtering apparatus, e.g. Target
- C23C14/3414—Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- 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
- H01F41/18—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 by cathode sputtering
- H01F41/183—Sputtering targets therefor
Definitions
- the present invention relates to a sputtering target, and more particularly to a high-density sputtering target containing Fe, Pt, Ag and C and capable of forming a magnetic recording film without requiring a large-scale apparatus.
- FePt-based thin film has been proposed as a next-generation magnetic recording film replacing the CoPt-based thin film.
- FePt-based thin films have the advantage of higher magnetic anisotropy than CoPt-based thin films.
- the FePt-based thin film has disadvantages that the structure of the FePt-based thin film becomes irregular and the magnetic properties are deteriorated due to excessive particles.
- Patent Document 1 discloses a technique for obtaining an FePtC-based magnetic recording film having excellent magnetic properties by simultaneously sputtering Fe, Pt and C alone as well as a sputtering target.
- This problem can be solved by producing a sputtering target containing all elements constituting the magnetic recording film such as Fe, Pt and C. If this sputtering target is used, it is only necessary to sputter one sputtering target, so there is no need for a plurality of cathodes to install the sputtering target, and no FePtC magnetic recording is required without requiring a large-scale apparatus. A membrane can be obtained.
- the present invention has been made to solve the above-described problems, and provides a sputtering target capable of obtaining a high-performance FePtC magnetic recording film having a high density even if it contains carbon at a high concentration.
- the purpose is to do.
- the present invention for achieving the above object is a sputtering target characterized by containing Fe, Pt, Ag and C.
- the ratio of the content of Ag to the total content of Fe, Pt and Ag is preferably 1 to 20 mol%, Preferably, it is produced by firing raw material powder containing Fe powder, Pt powder, Ag powder and C powder, The density is preferably 90% or more.
- the sputtering target of the present invention contains Ag in addition to Fe, Pt and C.
- the sputtering target of the present invention has a high density.
- the amount of gas released from the sputtering target can be reduced, and the characteristics of the thin film formed by sputtering can be improved.
- the sputtering target of this invention is manufactured by low-temperature sintering, it becomes high density.
- FIG. 1 is an X-ray diffraction pattern of the sputtering target obtained in Examples 1 to 5.
- FIG. 2 is an X-ray diffraction pattern of the sputtering target obtained in Comparative Examples 1-6.
- the sputtering target of the present invention contains Fe, Pt, Ag and C. That is, the sputtering target of the present invention is one in which Ag is newly added to a FePtC-based sputtering target that has been conventionally studied.
- the density of the sputtering target can be increased.
- the reason why the density of the sputtering target increases when Ag is contained is considered as follows.
- a mixed powder composed of Fe powder and Pt powder is fired, Fe and Pt are solidified and the components are densely packed, so that a high-density sputtering target is obtained.
- C inhibits solid solution of Fe and Pt, and the components are not clogged densely. Is considered difficult to obtain.
- the sputtering target of the present invention consists of Fe, Pt, Ag and C, and may contain other inevitable impurities.
- the content of Ag is preferably 1 to 20 mol% and more preferably 5 to 17 mol% with respect to the total content of Fe, Pt and Ag.
- the content of Ag is within the above range, a high-density sputtering target is easily obtained.
- the Ag content is less than 1 mol%, the sputtering target may not be sufficiently dense. If it is more than 20 mol%, the magnetic properties of the film formed by sputtering this sputtering target. May decrease.
- x is preferably 45 to 65, more preferably 49 to 51
- y is preferably 1 to 20, and more preferably 5 to 17 Z is preferably 13 to 59, and more preferably 32 to 59. If the ratio of Fe, Pt, Ag and C is within the above range, a thin film obtained by sputtering this sputtering target can be used effectively as a magnetic recording film.
- the relative density of the sputtering target of the present invention is preferably 90% or more, more preferably 95% or more.
- the relative density is a numerical value measured based on the Archimedes method.
- the sputtering target according to the present invention is manufactured by preparing a mixed powder by mixing Fe powder, Pt powder, Ag powder and C powder, sintering the powder, and processing the sintered body as necessary. can do.
- the average particle diameters of Fe powder, Pt powder, Ag powder and C powder measured by the BET (Brunauer-Emmett-Teller) method are usually 10 to 70 ⁇ m, 1 to 4 ⁇ m, 2 to 5 ⁇ m and 3 to 20 ⁇ m, respectively.
- the ratio of Fe powder, Pt powder, Ag powder and C powder to be mixed is determined so that the ratio of Fe, Pt, Ag and C contained in the obtained sputtering target is within the above range.
- the mixing method of Fe powder, Pt powder, Ag powder, and C powder is not particularly limited, and examples thereof include mixing by a ball mill.
- Examples of the method for sintering the mixed powder include sintering by an electric current sintering method and sintering by a hot press (HP) method.
- the electric current sintering method is particularly preferable.
- the particles are joined and sintered by discharge between the particles, so that less energy is required and sintering at a lower temperature than the hot press (HP) method is possible. For this reason, it becomes easy to obtain the sintered compact which has a high density and consists of fine particles.
- the use of a target made of fine particles has an advantage that the uniformity of the formed film is increased.
- a target composed of coarse particles there is a strong tendency to cause problems such as particle generation.
- the electric current sintering method is superior to the hot press method or the like.
- a sintered body having a higher relative density than that of a hot press method or the like can be obtained.
- the relative density of the sintered body can be improved by performing additional processing on the sintered body. Therefore, even if the relative density of the sintered body obtained by sintering the mixed powder is less than 90%, a target having a relative density of 90% or more is obtained by performing additional processing on the sintered body. It is possible.
- the density can be improved while maintaining the microstructure.
- the relative density of the sintered body can be increased by subjecting the sintered body obtained by the hot pressing method to hot isostatic pressing, and even if the relative density of the sintered body is less than 90%, A target having a relative density of 90% or more can be obtained by additional processing by a hydraulic press. If a hot isostatic press is applied to the sintered body obtained by the electric current sintering method, a target having a higher relative density can be obtained.
- the sintering temperature is usually 700 to 1200 ° C., preferably 900 to 1100 ° C.
- a sputtering target having a higher density can be obtained as the sintering temperature is higher.
- the sintering temperature is too high, a target composed of coarse particles is obtained, and problems such as generation of particles are likely to occur during film formation.
- the sputtering target of the invention has a high density even when the sintering temperature is low.
- the sputtering target of the present invention can be sputtered in the same manner as a conventional sputtering target for a magnetic recording film.
- a FePtAgC thin film can be formed by sputtering using the sputtering target of the present invention. This FePtAgC thin film can be used as a magnetic recording film.
- Examples 1 to 5 [Manufacture of sputtering target] Fe powder having an average particle diameter of 30 ⁇ m, Pt powder having an average particle diameter of 2 ⁇ m, Ag powder having an average particle diameter of 3 ⁇ m, and C powder having an average particle diameter of 7 ⁇ m, each having a content ratio of 18.45 mol%, 18.45 mol%, A mixed powder was prepared by mixing with a ball mill for 1.5 hours at 4.10 mol% and 59.00 mol%. Each average particle diameter is a numerical value measured by the BET method.
- the obtained mixed powder was sintered under the following conditions using an electric current sintering apparatus to obtain a sintered body having a diameter of 20 mm and a thickness of 5 mm. This sintered body was used as a sputtering target.
- C 1 to C i indicate the content (% by weight) of the constituent material of the target sintered body, and ⁇ 1 to ⁇ i are the densities of the constituent materials corresponding to C 1 to C i. (G / cm 3 ).
- FIG. 1 the lower five charts are charts showing the peak positions of C, Ag, Pt, Fe and Fe—Pt (intermetallic compound of Fe and Pt), respectively, from the bottom.
- the temperature displayed on the right side of FIG. 1 is the sintering temperature.
- the peak with a black circle is a Pt peak
- the peak with a black triangle is an Ag peak
- the peak with a black square is an Fe—Pt peak.
- the obtained mixed powder was sintered under the above conditions using the same electric sintering apparatus as in Example 1 to obtain a sintered body having a diameter of 20 mm and a thickness of 5 mm.
- This sintered body was used as a sputtering target.
- the obtained sputtering target was subjected to measurement of relative density and evaluation of the state after forming the sputtering target by the same method as described above. The results are shown in Table 1.
- FIG. 2 The obtained diffraction pattern is shown in FIG.
- the lower four charts are charts showing the peak positions of C, Pt, Fe and Fe—Pt (intermetallic compound of Fe and Pt) from the bottom.
- the temperature displayed on the right side of FIG. 2 is the sintering temperature.
- the peak with a black circle is a Pt peak
- the peak with a black square is an Fe—Pt peak.
- the sputtering target composed of Fe, Pt, Ag and C (Examples 1 to 5) is compared with the sputtering target composed of Fe, Pt and C (Comparative Examples 1 to 6) sintered at the same temperature.
- the relative density is high.
- the relative density cannot be 90% or more unless the sintering temperature is 910 ° C. or higher.
- the sintering temperature Is 770 ° C. or higher and the relative density is 90% or higher. That is, it can be seen that when Ag is contained in the FePtC-based sputtering target, a high-density sputtering target can be obtained at a lower sintering temperature.
- the sputtering target made of Fe, Pt, Ag, and C has a higher degree of progress of solid solution of Fe and Pt even at a lower sintering temperature than the sputtering target made of Fe, Pt, and C, and has a high relative density. It turns out that it is obtained. That is, it is considered that Ag promotes solid solution of Fe and Pt, and as a result, increases the relative density of the sputtering target.
- Example 6 The same procedure as in Example 1 was performed except that the content ratios of Fe powder, Pt powder, Ag powder, and C powder were 19.48 mol%, 19.48 mol%, 2.05 mol%, and 59.00 mol%, respectively. A mixed powder was prepared.
- the obtained mixed powder was sintered under the same conditions as in Example 1 except that the sintering temperature was set to 1000 ° C. using the same electro-sintering apparatus as in Example 1, and sintered with a diameter of 20 mm and a thickness of 5 mm. A ligature was obtained. This sintered body was used as a sputtering target.
- Example 7 The relative density of this sputtering target was determined by the same method as in Example 1. The state after molding of the obtained sputtering target was evaluated in the same manner as in Example 1. The results are shown in Table 2. (Example 7) The same operation as in Example 1 was performed except that the content ratios of Fe powder, Pt powder, Ag powder, and C powder were 19.14 mol%, 19.14 mol%, 2.73 mol%, and 59.00 mol%, respectively. A mixed powder was prepared.
- the obtained mixed powder was sintered under the same conditions as in Example 1 except that the sintering temperature was set to 950 ° C. using the same electro-sintering apparatus as in Example 1, and sintered with a diameter of 20 mm and a thickness of 5 mm. A ligature was obtained. This sintered body was used as a sputtering target.
- Example 8 The relative density of this sputtering target was determined by the same method as in Example 1. The state after molding of the obtained sputtering target was evaluated in the same manner as in Example 1. The results are shown in Table 2. (Example 8) The same procedure as in Example 1 was performed except that the content ratios of Fe powder, Pt powder, Ag powder, and C powder were 17.77 mol%, 17.77 mol%, 5.47 mol%, and 59.00 mol%, respectively. A mixed powder was prepared.
- the obtained mixed powder was sintered under the same conditions as in Example 1 except that the sintering temperature was set to 900 ° C. using the same electro-sintering apparatus as in Example 1, and sintered with a diameter of 20 mm and a thickness of 5 mm. A ligature was obtained. This sintered body was used as a sputtering target.
- Example 9 The same procedure as in Example 1 was performed except that the content ratios of Fe powder, Pt powder, Ag powder, and C powder were 17.09 mol%, 17.09 mol%, 6.83 mol%, and 59.00 mol%, respectively. A mixed powder was prepared.
- the obtained mixed powder was sintered under the same conditions as in Example 1 except that the sintering temperature was set to 850 ° C. using the same electro-sintering apparatus as in Example 1, and sintered with a diameter of 20 mm and a thickness of 5 mm. A ligature was obtained. This sintered body was used as a sputtering target.
- Example 10 The relative density of this sputtering target was determined by the same method as in Example 1. The state after molding of the obtained sputtering target was evaluated in the same manner as in Example 1. The results are shown in Table 2. (Example 10) A sintered body was obtained by the same production method as in Example 8. The obtained sintered body was processed under the following conditions using a hot isostatic pressing device to obtain a sputtering target.
- the sintering temperature should be set appropriately even when the ratio of the Ag content to the total content of Fe, Pt and Ag (y mol%) is changed as described above. It can be seen that an FePtC-based sputtering target having a relative density of 90% or more can be obtained. It can also be seen that a high-density sputtering target can be obtained even at a lower sintering temperature by increasing the ratio of the Ag content (y mol%) to the total content of Fe, Pt and Ag.
- Example 8 and Example 10 show that the relative density of the sputtering target can be improved by subjecting the FePtC-based sintered body to hot isostatic pressing.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physical Vapour Deposition (AREA)
- Powder Metallurgy (AREA)
- Compositions Of Oxide Ceramics (AREA)
- Manufacturing Of Magnetic Record Carriers (AREA)
Abstract
Description
Fe粉末、Pt粉末、Ag粉末およびC粉末を含有する原料粉末を焼成して製造されることが好ましく、また、
密度が90%以上であることが好ましい。
[スパッタリングターゲットの製造]
平均粒径30μmのFe粉末、平均粒径2μmのPt粉末、平均粒径3μmのAg粉末および平均粒径7μmのC粉末を、それぞれの含有比率が18.45モル%、18.45モル%、4.10モル%および59.00モル%となるようにボールミルで1.5時間混合して、混合粉末を調製した。前記各平均粒径はBET法により測定された数値である。
焼結雰囲気:真空
昇温時間:10min
焼結温度:表1の通り
焼結保持時間:10min
圧力:0.4t/cm2
降温:自然炉冷
[相対密度の測定]
得られたスパッタリングターゲットの相対密度をアルキメデス法に基づき測定した。具体的には、スパッタリングターゲットの空中重量を、体積(=スパッタリングターゲット焼結体の水中重量/計測温度における水比重)で除し、下記式(X)に基づく理論密度ρ(g/cm3)に対する百分率の値を相対密度(単位:%)とした。結果を表1に示した。
得られたスパッタリングターゲットの状態を肉眼で観察し、スパッタリングターゲットの成形後の状態を評価した。
得られたスパッタリングターゲットに対し、以下の条件でX線回折測定を行った。
測定方法:2θ/θ法
サンプリング幅:0.02°
スキャンスピード:4°/min
管球:Cu
得られた回折パターンを図1に示した。図1において、下側の5つのチャートは、下からそれぞれC、Ag、Pt、FeおよびFe-Pt(FeとPtとの金属間化合物)のピーク位置を示すチャートである。図1の右側に表示した温度は焼結温度である。図1中、黒丸を付したピークはPtのピークであり、黒三角を付したピークはAgのピークであり、黒四角を付したピークはFe-Ptのピークである。
[スパッタリングターゲットの製造]
平均粒径30μmのFe粉末、平均粒径2μmのPt粉末および平均粒径7μmのC粉末を、それぞれの含有比率が20.5モル%、20.5モル%および59モル%となるようにボールミルで1.5時間混合して、混合粉末を調製した。前記各平均粒径はBET法により測定された数値である。
表1から、Fe、Pt、AgおよびCからなるスパッタリングターゲット(実施例1~5)は、同じ温度で焼結されたFe、PtおよびCからなるスパッタリングターゲット(比較例1~6)に比較して、相対密度が高いことがわかる。また、Fe、PtおよびCからなるスパッタリングターゲットの場合、焼結温度が910℃以上でないと相対密度は90%以上にならないが、Fe、Pt、AgおよびCからなるスパッタリングターゲットの場合、焼結温度が770℃以上で相対密度が90%以上になる。つまり、FePtC系スパッタリングターゲットにおいてAgを含有させると、より低い焼結温度で高密度のスパッタリングターゲットが得られることがわかる。
(実施例6)
Fe粉末、Pt粉末、Ag粉末、C粉末それぞれの含有比率を19.48モル%、19.48モル%、2.05モル%、59.00モル%とした以外は実施例1と同様に行い、混合粉末を調製した。
(実施例7)
Fe粉末、Pt粉末、Ag粉末、C粉末それぞれの含有比率を19.14モル%、19.14モル%、2.73モル%、59.00モル%とした以外は実施例1と同様に行い、混合粉末を調製した。
(実施例8)
Fe粉末、Pt粉末、Ag粉末、C粉末それぞれの含有比率を17.77モル%、17.77モル%、5.47モル%、59.00モル%とした以外は実施例1と同様に行い、混合粉末を調製した。
(実施例9)
Fe粉末、Pt粉末、Ag粉末、C粉末それぞれの含有比率を17.09モル%、17.09モル%、6.83モル%、59.00モル%とした以外は実施例1と同様に行い、混合粉末を調製した。
(実施例10)
実施例8と同様の製法で焼結体を得た。得られた焼結体を、熱間静水圧プレス装置を用い、以下の条件で処理して、スパッタリングターゲットを得た。
<処理条件>
雰囲気:アルゴン
温度: 900℃
圧力:118MPa
このスパッタリングターゲットの組成を[(FexPt100-x)100-y-Agy]100-z-Cz(x、y、z:モル%)と表記した場合、x=50、y=13.33、z=59であった。
表1および表2より、Fe、PtおよびAgの含有量の合計に対するAgの含有量の比率(yモル%)を上記のように変化させた場合にも、焼結温度を適切に設定することにより、相対密度が90%以上のFePtC系スパッタリングターゲットが得られることがわかる。また、Fe、PtおよびAgの含有量の合計に対するAgの含有量の比率(yモル%)を増大させることにより、より低い焼結温度でも高密度のスパッタリングターゲットが得られることがわかる。
Claims (4)
- Fe、Pt、AgおよびCを含有することを特徴とするスパッタリングターゲット。
- Fe、PtおよびAgの含有量の合計に対するAgの含有量の比率が1~20モル%であることを特徴とする請求項1に記載のスパッタリングターゲット。
- Fe粉末、Pt粉末、Ag粉末およびC粉末を含有する原料粉末を焼成して製造されることを特徴とする請求項1または2に記載のスパッタリングターゲット。
- 密度が90%以上であることを特徴とする請求項1~3のいずれかに記載のスパッタリングターゲット。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201180056488.4A CN103228816B (zh) | 2010-11-29 | 2011-11-28 | 溅射靶 |
JP2012546856A JP5730903B2 (ja) | 2010-11-29 | 2011-11-28 | スパッタリングターゲット |
US13/989,251 US9011653B2 (en) | 2010-11-29 | 2011-11-28 | Sputtering target |
SG2013041330A SG190918A1 (en) | 2010-11-29 | 2011-11-28 | Sputtering target |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2010-265037 | 2010-11-29 | ||
JP2010265037 | 2010-11-29 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012073882A1 true WO2012073882A1 (ja) | 2012-06-07 |
Family
ID=46171814
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/077362 WO2012073882A1 (ja) | 2010-11-29 | 2011-11-28 | スパッタリングターゲット |
Country Status (6)
Country | Link |
---|---|
US (1) | US9011653B2 (ja) |
JP (1) | JP5730903B2 (ja) |
CN (1) | CN103228816B (ja) |
MY (1) | MY156941A (ja) |
SG (1) | SG190918A1 (ja) |
WO (1) | WO2012073882A1 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2013175884A1 (ja) * | 2012-05-22 | 2013-11-28 | Jx日鉱日石金属株式会社 | C粒子が分散したFe-Pt-Ag-C系スパッタリングターゲット及びその製造方法 |
WO2013190943A1 (ja) * | 2012-06-18 | 2013-12-27 | Jx日鉱日石金属株式会社 | 磁気記録膜用スパッタリングターゲット |
WO2014024519A1 (ja) * | 2012-08-10 | 2014-02-13 | 三井金属鉱業株式会社 | 焼結体およびスパッタリングターゲット |
WO2014171161A1 (ja) * | 2013-04-15 | 2014-10-23 | Jx日鉱日石金属株式会社 | スパッタリングターゲット |
US20150107411A1 (en) * | 2012-08-31 | 2015-04-23 | Jx Nippon Mining & Metals Corporation | Fe-Based Magnetic Material Sintered Compact |
JP5973056B2 (ja) * | 2013-03-11 | 2016-08-23 | Jx金属株式会社 | 磁気記録膜形成用スパッタリングターゲットの製造方法 |
US10186404B2 (en) | 2013-03-01 | 2019-01-22 | Tanaka Kikinzoku Kogyo K.K. | FePt—C-based sputtering target and method for manufacturing same |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003313659A (ja) * | 2002-04-22 | 2003-11-06 | Toshiba Corp | 記録媒体用スパッタリングターゲットと磁気記録媒体 |
JP2004152471A (ja) * | 2002-10-29 | 2004-05-27 | Korea Advanced Inst Of Sci Technol | FePtC薄膜を利用した高密度磁気記録媒体及びその製造方法 |
JP2006161082A (ja) * | 2004-12-03 | 2006-06-22 | Ishifuku Metal Ind Co Ltd | スパッタリングターゲットの製造方法 |
JP2008060347A (ja) * | 2006-08-31 | 2008-03-13 | Ishifuku Metal Ind Co Ltd | 磁性薄膜 |
JP2008169464A (ja) * | 2007-01-08 | 2008-07-24 | Heraeus Inc | スパッタターゲット及びその製造方法 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101513672B (zh) * | 2005-02-01 | 2011-09-14 | 东曹株式会社 | 成型模 |
CN1822114A (zh) | 2006-03-10 | 2006-08-23 | 北京科技大学 | 一种制备FePt/Ag高密度磁记录介质材料的方法 |
WO2012014504A1 (ja) * | 2010-07-29 | 2012-02-02 | Jx日鉱日石金属株式会社 | 磁気記録膜用スパッタリングターゲット及びその製造方法 |
JP5226155B2 (ja) * | 2010-08-31 | 2013-07-03 | Jx日鉱日石金属株式会社 | Fe−Pt系強磁性材スパッタリングターゲット |
-
2011
- 2011-11-28 JP JP2012546856A patent/JP5730903B2/ja active Active
- 2011-11-28 US US13/989,251 patent/US9011653B2/en active Active
- 2011-11-28 WO PCT/JP2011/077362 patent/WO2012073882A1/ja active Application Filing
- 2011-11-28 SG SG2013041330A patent/SG190918A1/en unknown
- 2011-11-28 MY MYPI2013001785A patent/MY156941A/en unknown
- 2011-11-28 CN CN201180056488.4A patent/CN103228816B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003313659A (ja) * | 2002-04-22 | 2003-11-06 | Toshiba Corp | 記録媒体用スパッタリングターゲットと磁気記録媒体 |
JP2004152471A (ja) * | 2002-10-29 | 2004-05-27 | Korea Advanced Inst Of Sci Technol | FePtC薄膜を利用した高密度磁気記録媒体及びその製造方法 |
JP2006161082A (ja) * | 2004-12-03 | 2006-06-22 | Ishifuku Metal Ind Co Ltd | スパッタリングターゲットの製造方法 |
JP2008060347A (ja) * | 2006-08-31 | 2008-03-13 | Ishifuku Metal Ind Co Ltd | 磁性薄膜 |
JP2008169464A (ja) * | 2007-01-08 | 2008-07-24 | Heraeus Inc | スパッタターゲット及びその製造方法 |
Cited By (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5705993B2 (ja) * | 2012-05-22 | 2015-04-22 | Jx日鉱日石金属株式会社 | C粒子が分散したFe−Pt−Ag−C系スパッタリングターゲット及びその製造方法 |
WO2013175884A1 (ja) * | 2012-05-22 | 2013-11-28 | Jx日鉱日石金属株式会社 | C粒子が分散したFe-Pt-Ag-C系スパッタリングターゲット及びその製造方法 |
US20140360871A1 (en) * | 2012-05-22 | 2014-12-11 | Jx Nippon Mining & Metals Corporation | Fe-Pt-Ag-C-Based Sputtering Target Having C Grains Dispersed Therein, and Method for Producing Same |
WO2013190943A1 (ja) * | 2012-06-18 | 2013-12-27 | Jx日鉱日石金属株式会社 | 磁気記録膜用スパッタリングターゲット |
US20140346039A1 (en) * | 2012-06-18 | 2014-11-27 | Jx Nippon Mining & Metals Corporation | Sputtering Target for Magnetic Recording Film |
US9540724B2 (en) * | 2012-06-18 | 2017-01-10 | Jx Nippon Mining & Metals Corporation | Sputtering target for magnetic recording film |
WO2014024519A1 (ja) * | 2012-08-10 | 2014-02-13 | 三井金属鉱業株式会社 | 焼結体およびスパッタリングターゲット |
CN104540977A (zh) * | 2012-08-10 | 2015-04-22 | 三井金属矿业株式会社 | 烧结体以及溅射靶 |
US10090012B2 (en) * | 2012-08-31 | 2018-10-02 | Jx Nippon Mining & Metals Corporation | Fe-bases magnetic material sintered compact |
US20150107411A1 (en) * | 2012-08-31 | 2015-04-23 | Jx Nippon Mining & Metals Corporation | Fe-Based Magnetic Material Sintered Compact |
US10186404B2 (en) | 2013-03-01 | 2019-01-22 | Tanaka Kikinzoku Kogyo K.K. | FePt—C-based sputtering target and method for manufacturing same |
JP5973056B2 (ja) * | 2013-03-11 | 2016-08-23 | Jx金属株式会社 | 磁気記録膜形成用スパッタリングターゲットの製造方法 |
JP2016173871A (ja) * | 2013-03-11 | 2016-09-29 | Jx金属株式会社 | 磁気記録膜形成用スパッタリングターゲット及び該ターゲットの製造に用いる炭素原料 |
WO2014171161A1 (ja) * | 2013-04-15 | 2014-10-23 | Jx日鉱日石金属株式会社 | スパッタリングターゲット |
JP5944580B2 (ja) * | 2013-04-15 | 2016-07-05 | Jx金属株式会社 | スパッタリングターゲット |
Also Published As
Publication number | Publication date |
---|---|
SG190918A1 (en) | 2013-07-31 |
CN103228816A (zh) | 2013-07-31 |
CN103228816B (zh) | 2015-09-30 |
US20130240352A1 (en) | 2013-09-19 |
MY156941A (en) | 2016-04-15 |
US9011653B2 (en) | 2015-04-21 |
JPWO2012073882A1 (ja) | 2014-05-19 |
JP5730903B2 (ja) | 2015-06-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP5730903B2 (ja) | スパッタリングターゲット | |
US10325762B2 (en) | Sputtering target for forming magnetic recording film and process for producing same | |
US10090012B2 (en) | Fe-bases magnetic material sintered compact | |
JP5913620B2 (ja) | Fe−Pt系焼結体スパッタリングターゲット及びその製造方法 | |
JP6264846B2 (ja) | 酸化物焼結体、スパッタリングターゲットおよびその製造方法 | |
TW201812063A (zh) | 強磁性材濺鍍靶 | |
JP6692724B2 (ja) | 非磁性材料分散型Fe−Pt系スパッタリングターゲット | |
TW201413019A (zh) | 磁記錄膜用濺鍍靶 | |
US20140360871A1 (en) | Fe-Pt-Ag-C-Based Sputtering Target Having C Grains Dispersed Therein, and Method for Producing Same | |
TWI583813B (zh) | Sintered body sputtering target | |
JP5583771B2 (ja) | ZnO−MgO系スパッタリングターゲット用焼結体 | |
CN104245623A (zh) | 含Li磷酸化合物烧结体和溅射靶,及其制造方法 | |
KR20230062880A (ko) | 텅스텐 실리사이드 타깃 및 그 제조 방법, 그리고 텅스텐 실리사이드막의 제조 방법 | |
CN104126026B (zh) | 含有铬氧化物的强磁性材料溅射靶 | |
WO2012073879A1 (ja) | スパッタリングターゲット | |
TWI640642B (zh) | Strong magnetic material sputtering target containing chromium oxide | |
CN111183244B (zh) | 强磁性材料溅射靶 | |
JP6728094B2 (ja) | 強磁性材スパッタリングターゲット | |
TWI680198B (zh) | 強磁性材料濺射靶及其製造方法與磁記錄膜的製造方法 | |
WO2020066114A1 (ja) | スパッタリングターゲット及びスパッタリングターゲットを製造するための粉体 | |
JP5601920B2 (ja) | Fe/Co−Pt系焼結合金の製造方法 | |
JP2019019402A (ja) | スパッタリングターゲット、スパッタリングターゲットの製造方法及び磁気媒体の製造方法 | |
JP2020059883A (ja) | 酸化マグネシウムスパッタリングターゲット | |
JP2020023740A (ja) | スパッタリングターゲット | |
TW201619402A (zh) | 由Al-Te-Cu-Zr系合金組成之濺鍍靶及其製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11844017 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13989251 Country of ref document: US |
|
ENP | Entry into the national phase |
Ref document number: 2012546856 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11844017 Country of ref document: EP Kind code of ref document: A1 |