WO2017209281A1 - 金スパッタリングターゲット - Google Patents
金スパッタリングターゲット Download PDFInfo
- Publication number
- WO2017209281A1 WO2017209281A1 PCT/JP2017/020617 JP2017020617W WO2017209281A1 WO 2017209281 A1 WO2017209281 A1 WO 2017209281A1 JP 2017020617 W JP2017020617 W JP 2017020617W WO 2017209281 A1 WO2017209281 A1 WO 2017209281A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sputtering target
- sputtering
- target
- gold
- vickers hardness
- Prior art date
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Classifications
-
- 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
- H01J37/3414—Targets
- H01J37/3426—Material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/38—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling sheets of limited length, e.g. folded sheets, superimposed sheets, pack rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
- B21C1/16—Metal drawing by machines or apparatus in which the drawing action is effected by other means than drums, e.g. by a longitudinally-moved carriage pulling or pushing the work or stock for making metal sheets, bars, or tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C23/00—Extruding metal; Impact extrusion
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
- B21J5/12—Forming profiles on internal or external surfaces
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C5/00—Alloys based on noble metals
- C22C5/02—Alloys based on gold
-
- 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
- C23C14/06—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
-
- 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
- C23C14/06—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
- C23C14/18—Metallic material, boron or silicon on other inorganic substrates
- C23C14/185—Metallic material, boron or silicon on other inorganic substrates by cathodic 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
-
- 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
-
- 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
- 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
- C22F1/14—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of noble metals or alloys based thereon
Definitions
- the use of a cylindrical target is considered as well as a plate-like target.
- the quartz oscillator device is configured by forming an Au film as an electrode on both sides of a quartz chip (blank) as described above.
- the outer shape is trimmed by etching to round the corners, or the corners are mechanically rounded when pulled out with a press, and the center of gravity is at the center to stabilize the frequency.
- High smoothness is desirable because the rough surface of the crystal chip adversely affects the frequency characteristics.
- the electrode formed on the crystal chip it is desirable that the smoothness be high, that is, the variation in film thickness be small. Since the electrode has a three-dimensional structure having a thickness, when the crystal chip is miniaturized, the influence of the variation in film thickness on the three-dimensional shape becomes larger. Therefore, with the miniaturization of the crystal oscillator device and the like, it is required to further reduce the thickness variation of the Au film applied to the electrode.
- the Au sputtering target has a surface to be sputtered (sputtered surface).
- the surface of the plate is a sputtered surface
- the surface of a cylinder is a sputtered surface.
- the Au sputtering target of the embodiment has a Vickers hardness of 40 or more and 60 or less.
- a Vickers hardness of 40 or more and 60 or less By performing sputtering film formation using an Au sputtering target having such Vickers hardness, an Au film excellent in uniformity of film thickness distribution can be formed. That is, that the Vickers hardness of Au sputtering target exceeds 60 HV means that the distortion which arose at the time of manufacture in the sputtering target remains. In such a case, the flying of particles from the target becomes uneven during sputtering, and the uniformity of the film thickness distribution is lost.
- the Vickers hardness of the Au sputtering target is preferably 55 HV or less.
- the ratio (HV av 3 / HV tav ) to the Vickers hardness (HV tav ) is preferably in the range of 0.8 to 1.2, respectively.
- the variation in Vickers hardness of the Au sputtering target within ⁇ 20%.
- the flying direction of particles at the time of sputtering is further uniformed, and the uniformity of film thickness distribution is further improved.
- the cylindrical Au sputtering target the entire cylindrical surface is sputtered while rotating the cylindrical target. Therefore, the variation in the Vickers hardness at each part of the sputtering surface (cylindrical surface) is reduced, and the uniformity of the film thickness distribution is obtained. Can be improved.
- the average crystal grain size is preferably 15 ⁇ m or more and 200 ⁇ m or less.
- the uniformity of the film thickness distribution of the Au film can be further enhanced. That is, when the average crystal grain size of the Au sputtering target is less than 15 ⁇ m, the particles may not fly uniformly from the target at the time of sputtering, and the uniformity of the film thickness distribution may be impaired.
- the average crystal grain size of the Au sputtering target is preferably 30 ⁇ m or more.
- X-ray diffraction of the sputtered surface of the Au sputtering target is carried out that the sputtered surface is preferentially oriented to the ⁇ 110 ⁇ plane, and the following formula (1) of Wilson is obtained from the diffraction intensity ratio of each crystal surface of Au.
- the orientation index N of each crystal plane is determined from the above, and the case where the orientation index N of the ⁇ 110 ⁇ plane is larger than 1 and the largest among the orientation indices N of all crystal planes is shown.
- the orientation index N of Au ⁇ 110 ⁇ plane is more preferably 1.3 or more.
- the holding time (heat treatment time) according to the heat treatment temperature is preferably, for example, 10 minutes or more and 120 minutes or less. If the heat treatment time is too short, there is a possibility that the removal of the strain is insufficient or the metal structure can not be sufficiently recrystallized. On the other hand, if the heat treatment time is too long, the Vickers hardness may be too low, or the average grain size may be too large.
- the Vickers hardness is 40 or more and 60 or less, and the variation in Vickers hardness is controlled by controlling the working ratio in the step of processing the Au ingot into a plate or cylindrical shape and the temperature of the recrystallization heat treatment step.
- the sputtered surface of the Au sputtering target was subjected to X-ray diffraction, and the preferentially oriented crystal plane was evaluated according to the method described above.
- the orientation index N of the ⁇ 110 ⁇ plane was determined according to the method described above.
- Table 5 The results are shown in Table 5.
- the film forming process was performed in the same manner as in Example 1, and the standard deviation ⁇ of the film thickness of the Au film and the standard deviation ⁇ of the resistance value were obtained. The results are shown in Table 6.
- the Vickers hardness of the obtained Au sputtering target was measured according to the measuring method of the cylindrical sputtering target mentioned above.
- the average Vickers hardness (HV av1 ) on the first straight line of the sputter surface as a result of measuring the Vickers hardness of each measurement point with a test force (press load) of 200 gf is 50.6, the second of the sputter surface
- the average value (HV av2 ) of the Vickers hardness on the straight line of 2 is 50.4, the average value (HV av3 ) of the Vickers hardness at the cross section is 52.0, and the average value of these respective values (Vickers hardness as the whole target (HV tav )) was 51.0.
- the Au sputtering targets according to Examples 20 to 24 and Comparative Examples 5 to 6 described above are attached to a cylindrical sputtering apparatus, and the inside of the apparatus is evacuated to 1 ⁇ 10 -3 Pa or less, and then Ar gas pressure: 0.4 Pa, Sputtering was performed under the conditions of input power: DC 100 W, target-substrate distance: 40 mm, and sputtering time: 5 minutes to form an Au film on a 6-inch Si substrate (wafer).
- the film thickness distribution of the obtained Au film was measured according to the method described above, and the standard deviation ⁇ of the film thickness of the Au film was determined. Further, the standard deviation ⁇ of the resistance value of the Au film was determined according to the method described above. The results are shown in Table 12.
- the sputtered surface of the Au sputtering target was subjected to X-ray diffraction, and the crystal plane preferentially oriented was evaluated according to the method described above, and the orientation index N of the ⁇ 110 ⁇ plane was determined.
- the results are shown in Table 14.
- the film forming step was carried out in the same manner as in Example 20, and the standard deviation ⁇ of the film thickness of the Au film and the standard deviation ⁇ of the resistance value were measured. The results are shown in Table 15.
- the Au sputtering target of the present invention is useful for forming an Au film used for various applications. Further, by performing sputtering using the Au sputtering target of the present invention, it is possible to obtain an Au film excellent in uniformity of film thickness distribution and resistance value. Therefore, the characteristics of the Au film used for various applications can be enhanced.
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- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
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Abstract
Description
まず、Au塊を黒鉛るつぼに挿入して溶解した。Au溶湯を黒鉛鋳型に鋳造してAuインゴットを作製した。Auインゴットの表面を研削除去することによって、幅が190mm、長さが270mm、厚さが50mmのAuビレット(純度99.99%)を作製した。次いで、Auビレットを800℃の温度で熱間鍛造し、幅が70mm、長さが200mm、厚さが45mmのAuターゲット素材とした。鍛造時の加工率は三軸方向共に80%とした。鍛造後のAuターゲット素材を500℃の温度で30分間熱処理した。熱処理後のAuターゲット素材を研削加工して、直径が152.4mm、厚さが5mmの円板状のAuスパッタリングターゲットを作製した。Auスパッタリングターゲットは、各部の特性測定と膜厚特性の測定のために2個作製した。以下の実施例および比較例も同様である。
実施例1と同様にして作製したAuビレットを用いて、表1に示す加工率を適用する以外は、実施例1と同様に鍛造加工してAuターゲット素材を作製した。次いで、鍛造後のAuターゲット素材に表1に示す条件で熱処理を施した。この後、熱処理後のAuターゲット素材を研削加工することによって、実施例1と同一形状のAuスパッタリングターゲットを作製した。これらAuスパッタリングターゲットのビッカース硬さ、平均結晶粒径、スパッタ面の優先配向面、および{110}面の配向指数Nを、実施例1と同様にして測定および評価した。それらの測定結果を表2に示す。このようなAuスパッタリングターゲットを後述する成膜工程に供して特性を評価した。
実施例1と同様にして作製したAuビレットを用いて、表4に示す加工率を適用する以外は、実施例1と同様に鍛造加工してAuターゲット素材を作製した。次いで、鍛造後のAuターゲット素材に表4に示す条件で熱処理を施した。この後、熱処理後のAuターゲット素材を研削加工することによって、実施例1と同一形状のAuスパッタリングターゲットを作製した。
まず、Au塊を黒鉛るつぼに挿入して溶解した。Au溶湯を黒鉛鋳型に鋳造してAuインゴットを作製した。Auインゴットの表面を研削除去することによって、幅が200mm、長さが300mm、厚さが45mmのAuビレット(純度99.99%)を作製した。次いで、Auビレットを800℃の温度で熱間圧延し、幅が70mm、長さが200mm、厚さが45mmのAuターゲット素材とした。圧延時の加工率は厚さの減少率として80%とした。圧延後のAuターゲット素材を表7に示す条件で熱処理した。熱処理後のAuターゲット素材を研削加工して、直径が152.4mm、厚さが5mmの円板状のAuスパッタリングターゲットを作製した。
まず、Au塊を黒鉛るつぼに挿入して溶解した。Au溶湯を黒鉛鋳型に鋳造してAuインゴットを作製した。Auインゴットの表面を研削除去すると共に、内径50mmでくり抜き加工することによって、外径が100mm、内径が50mm、長さが200mmの円筒状Auビレット(純度99.99%)を作製した。次いで、円筒状Auビレットの中空部に芯材を挿入した状態で、800℃の温度に加熱して熱間鍛造し、外径が80mm、内径が50mm、長さが400mm以上のパイプ状Auターゲット素材とした。鍛造時の加工率は厚さの減少率として35%とした。鍛造後のパイプ状Auターゲット素材を500℃の温度で30分間熱処理した。熱処理後のAuターゲット素材を研削加工することによって、外径が70mm、内径が65mm、長さが350mmの円筒状のAuスパッタリングターゲットを作製した。
実施例20と同様にして作製したAuビレットを用いて、表10に示す加工率を適用する以外は、実施例20と同様に鍛造加工して円筒状のAuターゲット素材を作製した。次いで、鍛造後のAuターゲット素材に表10に示す条件で熱処理を施した。この後、熱処理後のAuターゲット素材を研削加工することによって、実施例20と同一形状のAuスパッタリングターゲットを作製した。これらAuスパッタリングターゲットのビッカース硬さ、および平均結晶粒径(ADtav)を、実施例20と同様にして測定した。さらに、Auスパッタリングターゲットのスパッタ面に優先配向している結晶面を実施例20と同様して評価すると共に、{110}面の配向指数Nを実施例20と同様して求めた。それらの結果を表11に示す。このような円筒状のAuスパッタリングターゲットを後述する成膜工程に供して特性を評価した。
実施例20と同様にして作製したAuビレットを用いて、表13に示す加工率を適用する以外は、実施例20と同様に鍛造加工して円筒状のAuターゲット素材を作製した。次いで、鍛造後のAuターゲット素材に表13に示す条件で熱処理を施した。この後、熱処理後のAuターゲット素材を研削加工することによって、実施例20と同一形状のAuスパッタリングターゲットを作製した。
Claims (7)
- 金および不可避不純物からなり、スパッタされる表面を有する金スパッタリングターゲットであって、
ビッカース硬さの平均値が40以上60以下であり、
平均結晶粒径が15μm以上200μm以下であり、
前記表面に金の{110}面が優先配向している、金スパッタリングターゲット。 - 前記スパッタリングターゲット全体としての前記ビッカース硬さのばらつきが±20%以内である、請求項1または請求項2に記載の金スパッタリングターゲット。
- 前記スパッタリングターゲット全体としての前記平均結晶粒径のばらつきが±20%以内である、請求項1ないし請求項3のいずれか1項に記載の金スパッタリングターゲット。
- 前記スパッタリングターゲットの金純度が99.99%以上である、請求項1ないし請求項4のいずれか1項に記載の金スパッタリングターゲット。
- プレート形状を有する、請求項1ないし請求項5のいずれか1項に記載の金スパッタリングターゲット。
- 円筒形状を有する、請求項1ないし請求項5のいずれか1項に記載の金スパッタリングターゲット。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020217025934A KR102614205B1 (ko) | 2016-06-02 | 2017-06-02 | 금 스퍼터링 타깃 |
EP17806831.8A EP3467141B1 (en) | 2016-06-02 | 2017-06-02 | Gold sputtering target |
JP2018521015A JP7077225B2 (ja) | 2016-06-02 | 2017-06-02 | 金スパッタリングターゲット |
KR1020187037313A KR20190015346A (ko) | 2016-06-02 | 2017-06-02 | 금 스퍼터링 타깃 |
CN201780032766.XA CN109196137B (zh) | 2016-06-02 | 2017-06-02 | 金溅射靶 |
RU2018146163A RU2785130C2 (ru) | 2016-06-02 | 2017-06-02 | Золотая распыляемая мишень |
US16/205,471 US11569074B2 (en) | 2016-06-02 | 2018-11-30 | Gold sputtering target |
JP2022009034A JP7320639B2 (ja) | 2016-06-02 | 2022-01-25 | Au膜の形成方法 |
US18/088,454 US11817299B2 (en) | 2016-06-02 | 2022-12-23 | Gold sputtering target |
Applications Claiming Priority (2)
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JP2016111245 | 2016-06-02 | ||
JP2016-111245 | 2016-06-02 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US16/205,471 Continuation US11569074B2 (en) | 2016-06-02 | 2018-11-30 | Gold sputtering target |
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WO2017209281A1 true WO2017209281A1 (ja) | 2017-12-07 |
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PCT/JP2017/020617 WO2017209281A1 (ja) | 2016-06-02 | 2017-06-02 | 金スパッタリングターゲット |
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US (2) | US11569074B2 (ja) |
EP (1) | EP3467141B1 (ja) |
JP (2) | JP7077225B2 (ja) |
KR (2) | KR102614205B1 (ja) |
CN (1) | CN109196137B (ja) |
TW (1) | TWI752035B (ja) |
WO (1) | WO2017209281A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019111945A1 (ja) * | 2017-12-06 | 2019-06-13 | 田中貴金属工業株式会社 | 金スパッタリングターゲットの製造方法及び金膜の製造方法 |
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RU2018146163A3 (ja) | 2020-07-09 |
US20190103257A1 (en) | 2019-04-04 |
KR20190015346A (ko) | 2019-02-13 |
JPWO2017209281A1 (ja) | 2019-04-18 |
EP3467141A4 (en) | 2020-04-15 |
EP3467141A1 (en) | 2019-04-10 |
EP3467141B1 (en) | 2023-10-11 |
KR20210103593A (ko) | 2021-08-23 |
TW201742942A (zh) | 2017-12-16 |
CN109196137B (zh) | 2021-11-30 |
US11817299B2 (en) | 2023-11-14 |
RU2018146163A (ru) | 2020-07-09 |
CN109196137A (zh) | 2019-01-11 |
JP2022048244A (ja) | 2022-03-25 |
US20230126513A1 (en) | 2023-04-27 |
JP7077225B2 (ja) | 2022-05-30 |
KR102614205B1 (ko) | 2023-12-14 |
TWI752035B (zh) | 2022-01-11 |
US11569074B2 (en) | 2023-01-31 |
JP7320639B2 (ja) | 2023-08-03 |
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