WO2016190159A1 - タンタルスパッタリングターゲット及びその製造方法 - Google Patents
タンタルスパッタリングターゲット及びその製造方法 Download PDFInfo
- Publication number
- WO2016190159A1 WO2016190159A1 PCT/JP2016/064537 JP2016064537W WO2016190159A1 WO 2016190159 A1 WO2016190159 A1 WO 2016190159A1 JP 2016064537 W JP2016064537 W JP 2016064537W WO 2016190159 A1 WO2016190159 A1 WO 2016190159A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sputtering
- target
- tantalum
- rolling
- area ratio
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Images
Classifications
-
- 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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/003—Selecting material
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C27/00—Alloys based on rhenium or a refractory metal not mentioned in groups C22C14/00 or C22C16/00
- C22C27/02—Alloys based on vanadium, niobium, or tantalum
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/02—Preliminary treatment of metal stock without particular shaping, e.g. salvaging segregated zones, forging or pressing in the rough
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
- C22F1/18—High-melting or refractory metals or alloys based thereon
Definitions
- the present invention relates to a tantalum sputtering target suitable for forming a barrier seed layer in wiring of a semiconductor integrated circuit, and in particular, by increasing the straightness of the sputtered material, it achieves good film thickness uniformity even under high power sputtering conditions.
- the present invention relates to a tantalum sputtering target that can be used and a method for manufacturing the same.
- Sputtering methods for forming coatings of metals, ceramics, etc. are used in many fields such as the electronics field, the corrosion-resistant material and decoration fields, the catalyst field, and the production of cutting / abrasive materials and wear-resistant materials.
- the sputtering method itself is a well-known method in the above-mentioned field, but recently, particularly in the field of electronics, a tantalum sputtering target suitable for forming a complex-shaped film or forming a circuit is required.
- this tantalum target is processed into a target by forging or annealing (annealing) (heat treatment) an ingot or billet obtained by melting and casting a tantalum raw material, and further rolling and finishing (mechanical, polishing, etc.).
- annealing heat treatment
- the melted and cast ingot or billet has its cast structure destroyed by forging and recrystallization annealing, and uniform and fine crystal grains are obtained.
- Patent Documents 1 to 11 When performing sputtering, the finer and more uniform the crystal grains of the target, the more uniform film formation is possible, and a film having stable characteristics can be obtained. In order to improve the uniformity of film formation, it is also effective to align the crystal orientation over the entire thickness direction of the target. Regarding the tantalum sputtering target, the following prior arts are known (Patent Documents 1 to 11).
- JP 2004-107758 A WO2006 / 117949 Japanese Patent Laid-Open No. 11-80942 JP 2004-162117 A WO2004 / 090193 Publication WO2005 / 045090 Special table 2008-532765 gazette Special table 2007-536431 gazette Special Table 2002-530534 Japanese Patent Laid-Open No. 2002-36336 JP 2001-295035 A
- An object of the present invention is to provide a tantalum sputtering target capable of high-speed and uniform film formation under high power sputtering conditions.
- a tantalum sputtering target capable of high-speed and uniform film formation under high power sputtering conditions.
- the present inventors have conducted intensive research. As a result, when the structure orientation of the tantalum sputtering target is set to a predetermined state by devising the rolling method, the sputtered material is used in the high power sputtering situation.
- the sputter material can be uniformly deposited on the wafer surface, and in particular, even in a fine wiring hole with a high aspect ratio, it is possible to achieve good filling and the throughput of the deposition. The knowledge that can be improved.
- the straightness of the sputtered material can be increased under high power sputtering conditions, and the sputtered material can be uniformly formed on the wafer surface. Since the film can be formed, it is possible to achieve both improvement in film formation throughput and film thickness uniformity in the fine wiring. This is particularly effective when a uniform film is formed in a wiring hole having a large aspect ratio.
- the ⁇ 111 ⁇ plane becomes ND when the rolling surface normal direction ND which is a vertical section with respect to the sputtering surface of the target is observed.
- the area ratio of the oriented crystal grains is 35% or more.
- using an EBSP device JSM-7001FTTLS type, field emission electron microscope / crystal orientation analyzer, OIM 6.0-CCD / BS), as shown in FIG. With respect to the structure (width: 2 mm, height: 6.35 mm), five points in FIG. 1 (left figure) are observed, and the average area ratio of crystal grains having ⁇ 111 ⁇ planes oriented in ND is determined.
- the close-packed direction of atoms is ⁇ 111>, and the relationship between the sputtering surface and this close-packed direction is important for controlling the flying direction of the sputtered material.
- the close-packed direction coincides with the normal direction of the sputtering surface, so that the straightness of the sputtered material can be increased.
- the crystal grains in which the ⁇ 111 ⁇ plane is oriented in ND include crystal grains in which the orientation deviation of the ⁇ 111 ⁇ plane with respect to the rolling surface normal direction (ND) is within 15 °.
- limiting in particular in the upper limit of the area ratio of the crystal grain which has a ⁇ 111 ⁇ plane It is difficult to make it 60% or more practically.
- the present invention uses the backscattered electron diffraction method (EBSP method), and the ⁇ 111 ⁇ plane is oriented to ND when ND is observed in the direction normal to the rolled surface, which is a vertical section with respect to the sputtering surface of the target.
- the ratio ⁇ 111 ⁇ / ⁇ 100 ⁇ of the area ratio of the crystal grains and the area ratio of the crystal grains whose ⁇ 100 ⁇ planes are ND-oriented is preferably 2.0 or more.
- the crystal grain in which the ⁇ 100 ⁇ plane is oriented in ND includes a crystal grain whose orientation deviation with respect to the normal direction (ND) of the ⁇ 100 ⁇ plane is within 15 °.
- the area ratio of the crystal grains having the ⁇ 100 ⁇ plane is obtained by the same method as the area ratio of the crystal grains having the ⁇ 111 ⁇ plane.
- the tantalum target preferably has a purity of 99.99% or higher. Impurities in the target cause deterioration of device characteristics in the semiconductor integrated circuit, and therefore, impurities having a purity as high as possible are preferable.
- a purity of 99.99% (4N) means that Ta ingot is analyzed by glow discharge mass spectrometry (GDMS), and Na, Al, Si, K, Ti, Cr, Mn, Fe, Co, Ni , Cu, Zn, Zr means that the total value is less than 100 ppm.
- the manufacturing method of the tantalum sputtering target of the present invention is as follows. First, tantalum is melted and cast to produce an ingot, and then the ingot is forged. Thereafter, the ingot is tightened and forged to form a billet, which is cut into an appropriate size and then heat-treated. Further, primary forging, primary heat treatment, secondary forging, and then divided into two, followed by secondary heat treatment (preferably 950 to 1100 ° C.).
- the present invention is not particularly limited by the above steps, and for the adjustment of the forged structure, the number of forgings and the temperature of the heat treatment can be appropriately selected and carried out.
- this rolled material is subjected to heat treatment, preferably 750 to 1000 ° C. for 1 hour or longer, and then machined into a desired shape to obtain a target.
- heat treatment preferably 750 to 1000 ° C. for 1 hour or longer
- the texture of the present invention formed by rolling or heat treatment is obtained by grasping which surface is preferentially oriented by the EBSP method, and feeding back the result to the conditions of rolling or heat treatment. Orientation can be obtained.
- Evaluation methods and the like in Examples and Comparative Examples are as follows.
- the film thickness uniformity and the variation rate thereof are evaluated using the “average value” and “standard deviation” of the variation rate (standard deviation / average value ⁇ 100) of the film thickness for each target life (each wafer).
- the target life can be expressed as an integration of the power during sputtering and the total sputtering time. For example, at a power of 15 kW, the target life when sputtering for 100 hours is 1500 kWh.
- the sheet resistance at 49 points in the surface of each wafer is measured, and the value is converted into a film thickness (the resistance value of tantalum is 180 ⁇ cm), and the standard deviation and average value of the film thickness.
- the in-plane film thickness variation rate (%) standard deviation / average value ⁇ 100 is calculated for each wafer, and the average value of the “film thickness variation rate” calculated for each wafer is determined as the film thickness uniformity.
- the “variation rate” of the film thickness uniformity the standard deviation / average value (corresponding to the film thickness uniformity) between the wafers (relative to the target life) using the film thickness variation rate obtained for each wafer. X100.
- Example 1 A tantalum raw material having a purity of 99.997% was melted by electron beam and cast into an ingot having a length of 1000 mm and a diameter of 195 mm ⁇ . Next, this ingot was cold-forged and forged to a diameter of 150 mm and then cut with a necessary length to obtain a billet. Next, heat treatment was performed at a temperature of 1250 ° C., primary forging was performed again in a cold state, heat treatment was performed at 1000 ° C., secondary forging was then performed in a cold state, divided into two, and heat treatment was performed again at 1000 ° C.
- the forged billet was cold rolled.
- a total of 10 sets of continuous rolling passes with a rolling reduction of 12% or more were repeated, and then rolling was performed with rolling passes with a rolling reduction of less than 12%. After rolling, this was heat-treated at 800 ° C.
- finish machining was performed on the obtained target material having a thickness of 10 mm and 500 mm ⁇ to produce a tantalum sputtering target having a thickness of 6.35 mm and 450 mm ⁇ .
- the surface is polished with polishing paper (equivalent to # 2000), further buffed using a plastic solution to finish to a mirror surface, and then a mixed solution of hydrofluoric acid, nitric acid and hydrochloric acid Was processed.
- the obtained polished surface was cross-sectionally perpendicular to the sputtering surface as shown in FIG. 1 using an EBSP device (JSM-7001FTTLS type, field emission electron microscope / crystal orientation analyzer, OIM 6.0-CCD / BS). (Width: 2 mm, height: 6.35 mm) were observed at five locations.
- FIG. 3 shows the crystal orientation distribution.
- the area ratio of the crystal grains having the ⁇ 111 ⁇ plane was 50.5%.
- the area ratio of the crystal grains having ⁇ 100 ⁇ planes oriented in ND was 7.5%.
- the ratio of the area ratio of ⁇ 111 ⁇ / ⁇ 100 ⁇ was 6.73.
- the film thickness uniformity was as good as 2.2 and the film thickness uniformity fluctuation rate was 0.15.
- a desired sputtering rate of 6.9 A / sec was obtained. The results are also shown in Table 1.
- Example 2-5 A forged billet was produced using the same method as in Example 1. Next, the forged billet was cold rolled. In the rolling process, the number of sets of continuous rolling passes with a rolling reduction of 12% or more is adjusted as shown in Table 1, and then rolling is performed with a rolling pass with a rolling reduction of 6% or more so that the total rolling reduction is 85% or more. did. After rolling, heat treatment was performed at 800 ° C. Next, finish machining was performed on the obtained target material having a thickness of 10 mm and 500 mm ⁇ to produce a tantalum sputtering target having a thickness of 6.35 mm and 450 mm ⁇ .
- Example 1-5 A forged billet was produced using the same method as in Example 1. Next, the forged billet was cold rolled. In the rolling process, the number of sets of continuous rolling passes with a rolling reduction of 12% or more is adjusted as shown in Table 1, and then rolling is performed with a rolling pass with a rolling reduction of 6% or more so that the total rolling reduction is 85% or more. did. After rolling, heat treatment was performed at 800 ° C. Next, finish machining was performed on the obtained target material having a thickness of 10 mm and 350 mm ⁇ to produce a tantalum sputtering target having a thickness of 6.35 mm and 320 mm ⁇ .
- the sputter material in a tantalum sputtering target, is uniformly formed on the wafer surface by increasing the straightness of the sputter material in a high power sputtering condition by setting the texture orientation to a predetermined state. Therefore, it is possible to achieve both uniformity of film thickness and improvement of film formation throughput. It is useful as tantalum sputtering used for forming a thin film for element wiring of a semiconductor integrated circuit.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physical Vapour Deposition (AREA)
- Electrodes Of Semiconductors (AREA)
Abstract
Description
1)ターゲットのスパッタ面に対して垂直な断面である圧延面法線方向:NDを後方散乱電子回折法を用いて観察したとき、{111}面がNDに配向している結晶粒の面積率が35%以上であることを特徴とするタンタルスパッタリングターゲット。
2)ターゲットのスパッタ面に対して垂直な断面である圧延面法線方向:NDを後方散乱電子回折法を用いて観察したとき、{111}面がNDに配向している結晶粒の面積率と{100}面がNDに配向している結晶粒の面積率との比{111}/{100}が2.0以上であることを特徴とする上記1記載のタンタルスパッタリングターゲット。
まず、タンタルを溶解し、これを鋳造してインゴットを作製した後、このインゴットを鍛造する。その後、インゴットを締め鍛造してビレットとし、これを適当なサイズに切断した後、熱処理を行う。さらに、一次鍛造、一次熱処理し、さらに二次鍛造した後、2分割し、二次熱処理(好ましくは950~1100℃)を行う。上記の工程によって、本発明は特に制限されるものではなく、鍛造組織の調整のために、鍛造回数や熱処理の温度は適宜選択して実施することができる。
後、これを所望の形状に機械加工してターゲットとする。これによって、鍛造組織の破壊と圧延による均一かつ微細な組織とすることを効果的に行うことができる。圧延加工や熱処理により形成される本発明の集合組織は、EBSP法により、どの面が優先的に配向しているか把握し、その結果を圧延加工や熱処理の条件にフィードバックすることにより、所望の組織配向を得ることができる。
(膜厚均一性及びその変動率について)
膜厚均一性及びその変動率は、各ターゲットライフ毎(各ウエハ毎)の膜厚の変動率(標準偏差/平均値×100)の「平均値」及び「標準偏差」を用いて評価する。ターゲットライフは、スパッタリング時の電力と総スパッタリング時間との積算で表すことができる。例えば、15kWの電力において、100時間スパッタリングした場合のターゲットライフは1500kWhとなる。
純度99.997%のタンタル原料を電子ビーム溶解し、鋳造して長さ1000mm、直径195mmφのインゴットとした。次に、このインゴットを冷間で締め鍛造し、直径150mmとした後に必要長さで切断し、ビレットを得た。次に、1250°Cの温度で熱処理し、再び冷間で一次鍛造し、1000°Cで熱処理し、次いで冷間で二次鍛造を行い、2分割し、再度1000°Cで熱処理した。
実施例1と同様の方法等を用いて鍛造ビレットを作製した。次に、鍛造ビレットを冷間圧延した。圧延工程は、圧下率12%以上の連続圧延パスのセット数を表1に示すように調整し、その後、トータル圧下率が85%以上となるように、圧下率6%以上の圧延パスで圧延した。圧延後、800°Cで熱処理した。次に、得られた厚さ10mm、500mmφのターゲット素材に対して仕上げ機械加工を行って、厚さ6.35mm、450mmφのタンタルスパッタリングターゲットを作製した。
実施例1と同様の方法等を用いて鍛造ビレットを作製した。次に、鍛造ビレットを冷間圧延した。圧延工程は、圧下率12%以上の連続圧延パスのセット数を表1に示すように調整し、その後、トータル圧下率が85%以上となるように、圧下率6%以上の圧延パスで圧延した。圧延後、800°Cで熱処理した。次に、得られた厚さ10mm、350mmφのターゲット素材に対して仕上げ機械加工を行って、厚さ6.35mm、320mmφのタンタルスパッタリングターゲットを作製した。
Claims (2)
- ターゲットのスパッタ面に対して垂直な断面である圧延面法線方向:NDを後方散乱電子回折法を用いて観察したとき、{111}面がNDに配向している結晶粒の面積率が35%以上であることを特徴とするタンタルスパッタリングターゲット。
- ターゲットのスパッタ面に対して垂直な断面である圧延面法線方向:NDを後方散乱電子回折法を用いて観察したとき、{111}面がNDに配向している結晶粒の面積率と{100}面がNDに配向している結晶粒の面積率との比{111}/{100}が2.0以上であることを特徴とする請求項1記載のタンタルスパッタリングターゲット。
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP16799865.7A EP3260572A4 (en) | 2015-05-22 | 2016-05-17 | Tantalum sputtering target, and production method therefor |
| JP2016566834A JP6293928B2 (ja) | 2015-05-22 | 2016-05-17 | タンタルスパッタリングターゲット及びその製造方法 |
| SG11201708112TA SG11201708112TA (en) | 2015-05-22 | 2016-05-17 | Tantalum sputtering target, and production method therefor |
| US15/571,562 US10570505B2 (en) | 2015-05-22 | 2016-05-17 | Tantalum sputtering target, and production method therefor |
| CN201680023081.4A CN107532287B (zh) | 2015-05-22 | 2016-05-17 | 钽溅射靶及其制造方法 |
| KR1020177029390A KR102074047B1 (ko) | 2015-05-22 | 2016-05-17 | 탄탈 스퍼터링 타깃 및 그 제조 방법 |
| IL255349A IL255349B (en) | 2015-05-22 | 2017-10-31 | The purpose of the thesis with tantalum and a method for its production |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2015104295 | 2015-05-22 | ||
| JP2015-104295 | 2015-05-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016190159A1 true WO2016190159A1 (ja) | 2016-12-01 |
Family
ID=57392751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2016/064537 Ceased WO2016190159A1 (ja) | 2015-05-22 | 2016-05-17 | タンタルスパッタリングターゲット及びその製造方法 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US10570505B2 (ja) |
| EP (1) | EP3260572A4 (ja) |
| JP (1) | JP6293928B2 (ja) |
| KR (1) | KR102074047B1 (ja) |
| CN (1) | CN107532287B (ja) |
| IL (1) | IL255349B (ja) |
| SG (1) | SG11201708112TA (ja) |
| TW (1) | TWI676691B (ja) |
| WO (1) | WO2016190159A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107109634B (zh) | 2015-05-22 | 2020-08-28 | 捷客斯金属株式会社 | 钽溅射靶及其制造方法 |
| CN109338316B (zh) * | 2018-09-12 | 2020-04-28 | 中南大学 | 一种组织及织构可控的超高纯钽及其制备方法和应用 |
| CN114892136A (zh) * | 2022-05-25 | 2022-08-12 | 同创(丽水)特种材料有限公司 | 一种钽靶材及其制备方法与应用 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002530534A (ja) * | 1998-11-25 | 2002-09-17 | キャボット コーポレイション | 高純度タンタルおよびそれを含む、スパッタターゲットのような製品 |
| JP2004107758A (ja) * | 2002-09-20 | 2004-04-08 | Nikko Materials Co Ltd | タンタルスパッタリングターゲット及びその製造方法 |
| JP2008532765A (ja) * | 2005-02-10 | 2008-08-21 | キャボット コーポレイション | スパッタリングターゲットおよびその製造方法 |
| WO2009107763A1 (ja) * | 2008-02-29 | 2009-09-03 | 新日鉄マテリアルズ株式会社 | 金属系スパッタリングターゲット材 |
| JP2010535943A (ja) * | 2007-08-06 | 2010-11-25 | エイチ.シー. スターク インコーポレイテッド | 組織の均一性が改善された高融点金属プレート |
| JP2012507626A (ja) * | 2008-11-03 | 2012-03-29 | トーソー エスエムディー,インク. | スパッターターゲットを製造する方法と当該方法によって製造されるスパッターターゲット |
| WO2013080801A1 (ja) * | 2011-11-30 | 2013-06-06 | Jx日鉱日石金属株式会社 | タンタルスパッタリングターゲット及びその製造方法 |
Family Cites Families (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1180942A (ja) | 1997-09-10 | 1999-03-26 | Japan Energy Corp | Taスパッタターゲットとその製造方法及び組立体 |
| US6348139B1 (en) | 1998-06-17 | 2002-02-19 | Honeywell International Inc. | Tantalum-comprising articles |
| JP2001020065A (ja) | 1999-07-07 | 2001-01-23 | Hitachi Metals Ltd | スパッタリング用ターゲット及びその製造方法ならびに高融点金属粉末材料 |
| US6331233B1 (en) | 2000-02-02 | 2001-12-18 | Honeywell International Inc. | Tantalum sputtering target with fine grains and uniform texture and method of manufacture |
| JP2001295035A (ja) | 2000-04-11 | 2001-10-26 | Toshiba Corp | スパッタリングターゲットおよびその製造方法 |
| DE60214683T2 (de) | 2001-02-20 | 2007-09-13 | H.C. Starck, Inc., Newton | Platten aus refraktärem metall mit einheitlicher textur und verfahren zu ihrer herstellung |
| JP4817536B2 (ja) | 2001-06-06 | 2011-11-16 | 株式会社東芝 | スパッタターゲット |
| US7081148B2 (en) * | 2001-09-18 | 2006-07-25 | Praxair S.T. Technology, Inc. | Textured-grain-powder metallurgy tantalum sputter target |
| JP4263900B2 (ja) | 2002-11-13 | 2009-05-13 | 日鉱金属株式会社 | Taスパッタリングターゲット及びその製造方法 |
| US7067197B2 (en) * | 2003-01-07 | 2006-06-27 | Cabot Corporation | Powder metallurgy sputtering targets and methods of producing same |
| DE602004032323D1 (de) | 2003-04-01 | 2011-06-01 | Nippon Mining Co | Verfahren zur Herstellung des Tantalsputtertargets |
| WO2005045090A1 (ja) | 2003-11-06 | 2005-05-19 | Nikko Materials Co., Ltd. | タンタルスパッタリングターゲット |
| US8252126B2 (en) * | 2004-05-06 | 2012-08-28 | Global Advanced Metals, Usa, Inc. | Sputter targets and methods of forming same by rotary axial forging |
| EP1876258A4 (en) | 2005-04-28 | 2008-08-13 | Nippon Mining Co | sputtering Target |
| JP4949259B2 (ja) | 2005-10-04 | 2012-06-06 | Jx日鉱日石金属株式会社 | スパッタリングターゲット |
| US8250895B2 (en) | 2007-08-06 | 2012-08-28 | H.C. Starck Inc. | Methods and apparatus for controlling texture of plates and sheets by tilt rolling |
| WO2010138811A2 (en) | 2009-05-29 | 2010-12-02 | Arizona Board Of Regents, For And On Behalf Of Arizona State University | Method of providing a flexible semiconductor device at high temperatures and flexible semiconductor device thereof |
| KR101288651B1 (ko) | 2009-05-22 | 2013-07-22 | 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 | 탄탈륨 스퍼터링 타겟 |
| EP2465968A4 (en) | 2009-08-11 | 2014-04-30 | Jx Nippon Mining & Metals Corp | TANTALUM sputtering target |
| CN104018127B (zh) | 2009-08-11 | 2019-06-21 | 吉坤日矿日石金属株式会社 | 钽溅射靶 |
| DE112010003274T5 (de) | 2009-08-12 | 2012-12-27 | Ulvac, Inc. | Verfahren zur Herstellung eines Sputtertargets sowie Sputtertarget |
| KR20150038585A (ko) | 2009-11-17 | 2015-04-08 | 가부시끼가이샤 도시바 | 탄탈 스퍼터링 타겟 및 탄탈 스퍼터링 타겟의 제조 방법 및 반도체 소자의 제조 방법 |
| KR20130037215A (ko) | 2010-08-09 | 2013-04-15 | 제이엑스 닛코 닛세키 킨조쿠 가부시키가이샤 | 탄탈 스퍼터링 타깃 |
| JP5524976B2 (ja) | 2010-08-09 | 2014-06-18 | Jx日鉱日石金属株式会社 | タンタルスパッタリングターゲット |
| KR101882606B1 (ko) | 2012-03-21 | 2018-07-26 | 제이엑스금속주식회사 | 탄탈 스퍼터링 타깃 및 그 제조 방법 그리고 동 타깃을 사용하여 형성한 반도체 배선용 배리어막 |
| US10490393B2 (en) | 2012-12-19 | 2019-11-26 | Jx Nippon Mining & Metals Corporation | Tantalum sputtering target and method for producing same |
| KR20170036121A (ko) | 2012-12-19 | 2017-03-31 | 제이엑스금속주식회사 | 탄탈 스퍼터링 타깃 및 그 제조 방법 |
| WO2014136679A1 (ja) * | 2013-03-04 | 2014-09-12 | Jx日鉱日石金属株式会社 | タンタルスパッタリングターゲット及びその製造方法 |
| SG11201600781YA (en) | 2013-10-01 | 2016-03-30 | Jx Nippon Mining & Metals Corp | Tantalum sputtering target |
| KR20160027122A (ko) | 2014-03-27 | 2016-03-09 | 제이엑스 킨조쿠 가부시키가이샤 | 탄탈 스퍼터링 타깃 및 그 제조 방법 |
| CN104480439A (zh) * | 2014-12-31 | 2015-04-01 | 宁夏东方钽业股份有限公司 | 一种钽靶材的制备工艺 |
| CN107109634B (zh) | 2015-05-22 | 2020-08-28 | 捷客斯金属株式会社 | 钽溅射靶及其制造方法 |
-
2016
- 2016-05-17 WO PCT/JP2016/064537 patent/WO2016190159A1/ja not_active Ceased
- 2016-05-17 KR KR1020177029390A patent/KR102074047B1/ko active Active
- 2016-05-17 JP JP2016566834A patent/JP6293928B2/ja active Active
- 2016-05-17 CN CN201680023081.4A patent/CN107532287B/zh active Active
- 2016-05-17 US US15/571,562 patent/US10570505B2/en active Active
- 2016-05-17 EP EP16799865.7A patent/EP3260572A4/en active Pending
- 2016-05-17 SG SG11201708112TA patent/SG11201708112TA/en unknown
- 2016-05-19 TW TW105115508A patent/TWI676691B/zh active
-
2017
- 2017-10-31 IL IL255349A patent/IL255349B/en unknown
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002530534A (ja) * | 1998-11-25 | 2002-09-17 | キャボット コーポレイション | 高純度タンタルおよびそれを含む、スパッタターゲットのような製品 |
| JP2004107758A (ja) * | 2002-09-20 | 2004-04-08 | Nikko Materials Co Ltd | タンタルスパッタリングターゲット及びその製造方法 |
| JP2008532765A (ja) * | 2005-02-10 | 2008-08-21 | キャボット コーポレイション | スパッタリングターゲットおよびその製造方法 |
| JP2010535943A (ja) * | 2007-08-06 | 2010-11-25 | エイチ.シー. スターク インコーポレイテッド | 組織の均一性が改善された高融点金属プレート |
| JP2010535633A (ja) * | 2007-08-06 | 2010-11-25 | エイチ.シー. スターク インコーポレイテッド | 傾斜圧延法によってプレートおよびシートの組織を制御する方法 |
| WO2009107763A1 (ja) * | 2008-02-29 | 2009-09-03 | 新日鉄マテリアルズ株式会社 | 金属系スパッタリングターゲット材 |
| JP2012507626A (ja) * | 2008-11-03 | 2012-03-29 | トーソー エスエムディー,インク. | スパッターターゲットを製造する方法と当該方法によって製造されるスパッターターゲット |
| WO2013080801A1 (ja) * | 2011-11-30 | 2013-06-06 | Jx日鉱日石金属株式会社 | タンタルスパッタリングターゲット及びその製造方法 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP3260572A4 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107532287B (zh) | 2019-11-05 |
| JPWO2016190159A1 (ja) | 2017-06-15 |
| US10570505B2 (en) | 2020-02-25 |
| TW201704493A (zh) | 2017-02-01 |
| US20180105926A1 (en) | 2018-04-19 |
| IL255349B (en) | 2021-09-30 |
| EP3260572A4 (en) | 2018-08-01 |
| KR102074047B1 (ko) | 2020-02-05 |
| CN107532287A (zh) | 2018-01-02 |
| EP3260572A1 (en) | 2017-12-27 |
| KR20170127548A (ko) | 2017-11-21 |
| IL255349A0 (en) | 2017-12-31 |
| SG11201708112TA (en) | 2017-11-29 |
| JP6293928B2 (ja) | 2018-03-14 |
| TWI676691B (zh) | 2019-11-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100334252C (zh) | 钽溅射靶及其制造方法 | |
| KR100760156B1 (ko) | 탄탈륨 스퍼터링 타겟트 | |
| KR101690394B1 (ko) | 탄탈 스퍼터링 타깃의 제조 방법 | |
| US12180577B2 (en) | Titanium sputtering target, production method therefor, and method for producing titanium-containing thin film | |
| JP6293929B2 (ja) | タンタルスパッタリングターゲット及びその製造方法 | |
| JP6293928B2 (ja) | タンタルスパッタリングターゲット及びその製造方法 | |
| CN109154074B (zh) | 钽溅射靶 | |
| JP2009108412A (ja) | ターゲット | |
| JP7076632B2 (ja) | ニオブスパッタリングターゲット | |
| JP2002069626A (ja) | スパッタリングターゲットおよびその製造方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ENP | Entry into the national phase |
Ref document number: 2016566834 Country of ref document: JP Kind code of ref document: A |
|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16799865 Country of ref document: EP Kind code of ref document: A1 |
|
| REEP | Request for entry into the european phase |
Ref document number: 2016799865 Country of ref document: EP |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 11201708112T Country of ref document: SG |
|
| ENP | Entry into the national phase |
Ref document number: 20177029390 Country of ref document: KR Kind code of ref document: A |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 255349 Country of ref document: IL |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 15571562 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |