JP2022542292A - 大粒子スズスパッタリングターゲット - Google Patents
大粒子スズスパッタリングターゲット Download PDFInfo
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- JP2022542292A JP2022542292A JP2022505582A JP2022505582A JP2022542292A JP 2022542292 A JP2022542292 A JP 2022542292A JP 2022505582 A JP2022505582 A JP 2022505582A JP 2022505582 A JP2022505582 A JP 2022505582A JP 2022542292 A JP2022542292 A JP 2022542292A
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- 238000005477 sputtering target Methods 0.000 title claims abstract description 79
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 title claims abstract description 67
- 238000004544 sputter deposition Methods 0.000 claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 238000005266 casting Methods 0.000 claims description 27
- 238000000034 method Methods 0.000 claims description 22
- 230000009467 reduction Effects 0.000 claims description 18
- 238000005096 rolling process Methods 0.000 claims description 18
- 230000000930 thermomechanical effect Effects 0.000 claims description 14
- 238000003754 machining Methods 0.000 claims description 12
- 239000012535 impurity Substances 0.000 claims description 8
- 238000010583 slow cooling Methods 0.000 claims description 3
- 235000013339 cereals Nutrition 0.000 description 38
- 239000002245 particle Substances 0.000 description 14
- 229910045601 alloy Inorganic materials 0.000 description 8
- 239000000956 alloy Substances 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 7
- 238000005240 physical vapour deposition Methods 0.000 description 7
- 239000000758 substrate Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 239000004065 semiconductor Substances 0.000 description 5
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000005242 forging Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005498 polishing Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 235000012431 wafers Nutrition 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000010955 niobium Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910002535 CuZn Inorganic materials 0.000 description 1
- 229910001182 Mo alloy Inorganic materials 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910001257 Nb alloy Inorganic materials 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 229910000756 V alloy Inorganic materials 0.000 description 1
- 229910001093 Zr alloy Inorganic materials 0.000 description 1
- GXDVEXJTVGRLNW-UHFFFAOYSA-N [Cr].[Cu] Chemical compound [Cr].[Cu] GXDVEXJTVGRLNW-UHFFFAOYSA-N 0.000 description 1
- POUYTGMZOYRZNA-UHFFFAOYSA-N [Si].[Ni].[Cr].[Cu] Chemical compound [Si].[Ni].[Cr].[Cu] POUYTGMZOYRZNA-UHFFFAOYSA-N 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000007792 addition Methods 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
- 238000004458 analytical method Methods 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000002902 bimodal effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- TVZPLCNGKSPOJA-UHFFFAOYSA-N copper zinc Chemical compound [Cu].[Zn] TVZPLCNGKSPOJA-UHFFFAOYSA-N 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000005137 deposition process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011532 electronic conductor Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000001747 exhibiting effect Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010191 image analysis Methods 0.000 description 1
- 238000001465 metallisation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910052758 niobium Inorganic materials 0.000 description 1
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 description 1
- 238000002294 plasma sputter deposition Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- VSZWPYCFIRKVQL-UHFFFAOYSA-N selanylidenegallium;selenium Chemical compound [Se].[Se]=[Ga].[Se]=[Ga] VSZWPYCFIRKVQL-UHFFFAOYSA-N 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000000427 thin-film deposition Methods 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
- B22D21/002—Castings of light metals
- B22D21/007—Castings of light metals with low melting point, e.g. Al 659 degrees C, Mg 650 degrees C
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D31/00—Cutting-off surplus material, e.g. gates; Cleaning and working on castings
- B22D31/002—Cleaning, working on castings
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C13/00—Alloys based on tin
-
- 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
- C22F1/16—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
-
- 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
- C23C14/22—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
-
- 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
-
- 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
- H01J37/3423—Shape
-
- 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
- H01J37/3488—Constructional details of particle beam apparatus not otherwise provided for, e.g. arrangement, mounting, housing, environment; special provisions for cleaning or maintenance of the apparatus
- H01J37/3491—Manufacturing of targets
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physical Vapour Deposition (AREA)
Abstract
Description
本出願は、2020年8月5日に出願された米国特許出願第16/985,998号に対する優先権、及び2019年8月14日に出願された米国特許仮出願第62/886,747号に対する優先権を主張するものであり、これらの両方は、参照によりそれらの全体が本明細書に組み込まれる。
主題の分野は、10mm超の平均粒径を有するスズ(Sn)スパッタリングターゲットを含むスパッタリングシステムの設計及び使用である。
Claims (10)
- 平面スパッタリングターゲットであって、
平面スパッタリング面と、
前記平面スパッタリング面とは反対側の後面と、を備え、
前記平面スパッタリングターゲットが、少なくとも10mm~最大100mmの平均粒径を有する2Nの純度のスズから形成されている、平面スパッタリングターゲット。 - 前記スズが、最大15ppmの不純物含有量を有する高純度のスズである、請求項1に記載の平面スパッタリングターゲット。
- 前記スズが、0.01cph/cm2未満のアルファカウントを有する高純度のスズである、請求項1に記載の平面スパッタリングターゲット。
- 請求項1に記載の平面スパッタリングターゲットを製造する方法であって、
少なくとも2Nの純度の溶融スズを鋳造する工程と、
前記鋳造スズを熱機械加工して、熱機械加工されたスズを形成する工程と、
少なくとも175℃~最大225℃の温度で、少なくとも2時間~最大48時間の時間にわたって前記熱機械加工されたスズを熱処理して、少なくとも10mm~最大100mmの平均粒径を有する平面スパッタリングターゲットを形成する工程と、からなる、方法。 - 溶融スズを鋳造する前記工程が、約235℃~約350℃のるつぼ温度を約1時間にわたって有し、続いて前記溶融スズを金型に注湯して、ニアネット鋳物を形成することを含む、請求項4に記載の方法。
- 前記金型が、約250℃~約375℃の温度に約30分の時間にわたって予熱される、請求項5に記載の方法。
- 前記溶融スズを前記金型に注湯する前記工程に続いて、1時間当たり250℃以下の速度でゆっくりと冷却する、請求項5に記載の方法。
- 前記熱機械加工されたスズを熱処理する前記工程が、約200℃からの温度で、約4時間の時間にわたる、請求項5に記載の方法。
- 溶融スズを鋳造する前記工程が、ビレットを形成し、続いて前記ビレットをスライスして、複数のブランクを形成する、請求項4に記載の方法。
- 前記ビレットを熱機械加工する前記工程が、少なくとも50%のクロス圧延圧下によって、前記複数のブランクを個別に熱機械加工することを含む、請求項9に記載の方法。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962886747P | 2019-08-14 | 2019-08-14 | |
US62/886,747 | 2019-08-14 | ||
US16/985,998 | 2020-08-05 | ||
US16/985,998 US11450516B2 (en) | 2019-08-14 | 2020-08-05 | Large-grain tin sputtering target |
PCT/US2020/046070 WO2021030534A1 (en) | 2019-08-14 | 2020-08-13 | Large-grain tin sputtering target |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2022542292A true JP2022542292A (ja) | 2022-09-30 |
JP7338036B2 JP7338036B2 (ja) | 2023-09-04 |
Family
ID=74567464
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2022505582A Active JP7338036B2 (ja) | 2019-08-14 | 2020-08-13 | 大粒子スズスパッタリングターゲット |
Country Status (7)
Country | Link |
---|---|
US (1) | US11450516B2 (ja) |
EP (1) | EP4013902A4 (ja) |
JP (1) | JP7338036B2 (ja) |
KR (1) | KR20220032593A (ja) |
CN (1) | CN114207179B (ja) |
TW (1) | TW202115268A (ja) |
WO (1) | WO2021030534A1 (ja) |
Citations (2)
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EP0768387A1 (de) * | 1995-10-11 | 1997-04-16 | LEYBOLD MATERIALS GmbH | Feinkörniges Sputtertarget mit einem vorgegebenen Breiten- zu Dickenverhältnis sowie Verfahren zu seiner Herstellung |
JP3528532B2 (ja) * | 1997-09-02 | 2004-05-17 | 三菱マテリアル株式会社 | 低α線量錫の製造方法 |
Family Cites Families (23)
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US3727666A (en) * | 1971-08-16 | 1973-04-17 | Howmet Corp | Method of casting using a mold having a refractory coating thereon |
DE19538365A1 (de) * | 1995-10-14 | 1997-04-17 | Leybold Materials Gmbh | Zinnlegierung mit feinkörnigem Gefüge, insbesondere für Sputtertargets |
US20030052000A1 (en) * | 1997-07-11 | 2003-03-20 | Vladimir Segal | Fine grain size material, sputtering target, methods of forming, and micro-arc reduction method |
US20040072009A1 (en) * | 1999-12-16 | 2004-04-15 | Segal Vladimir M. | Copper sputtering targets and methods of forming copper sputtering targets |
DE10043748B4 (de) | 2000-09-05 | 2004-01-15 | W. C. Heraeus Gmbh & Co. Kg | Zylinderförmiges Sputtertarget, Verfahren zu seiner Herstellung und Verwendung |
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2020
- 2020-08-05 US US16/985,998 patent/US11450516B2/en active Active
- 2020-08-13 WO PCT/US2020/046070 patent/WO2021030534A1/en unknown
- 2020-08-13 TW TW109127501A patent/TW202115268A/zh unknown
- 2020-08-13 KR KR1020227004366A patent/KR20220032593A/ko not_active Application Discontinuation
- 2020-08-13 JP JP2022505582A patent/JP7338036B2/ja active Active
- 2020-08-13 EP EP20851509.8A patent/EP4013902A4/en active Pending
- 2020-08-13 CN CN202080054251.1A patent/CN114207179B/zh active Active
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JP3528532B2 (ja) * | 1997-09-02 | 2004-05-17 | 三菱マテリアル株式会社 | 低α線量錫の製造方法 |
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