JP6100560B2 - 液体金属軸受け用の濡れ防止皮膜及びその製造方法 - Google Patents
液体金属軸受け用の濡れ防止皮膜及びその製造方法 Download PDFInfo
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- JP6100560B2 JP6100560B2 JP2013038153A JP2013038153A JP6100560B2 JP 6100560 B2 JP6100560 B2 JP 6100560B2 JP 2013038153 A JP2013038153 A JP 2013038153A JP 2013038153 A JP2013038153 A JP 2013038153A JP 6100560 B2 JP6100560 B2 JP 6100560B2
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- titanium
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- titanium nitride
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-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/60—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes
- C23C8/78—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using solids, e.g. powders, pastes more than one element being applied in more than one step
-
- 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
- C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
- C23C8/80—After-treatment
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/04—Electrodes ; Mutual position thereof; Constructional adaptations therefor
- H01J35/08—Anodes; Anti cathodes
- H01J35/10—Rotary anodes; Arrangements for rotating anodes; Cooling rotary anodes
- H01J35/101—Arrangements for rotating anodes, e.g. supporting means, means for greasing, means for sealing the axle or means for shielding or protecting the driving
- H01J35/1017—Bearings for rotating anodes
- H01J35/104—Fluid bearings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/10—Drive means for anode (target) substrate
- H01J2235/1046—Bearings and bearing contact surfaces
- H01J2235/1066—Treated contact surfaces, e.g. coatings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/10—Drive means for anode (target) substrate
- H01J2235/108—Lubricants
- H01J2235/1086—Lubricants liquid metals
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Sliding-Contact Bearings (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
Description
4:X線源
6:X線ビーム
8:対象
10:検出器
12:プロセッサ
14:コンピュータ
16:操作者コンソール
18:表示ユニット
20:記憶装置
22:線源制御器
100:フレーム
102:放射線放出路
104:X線管容積
106:陽極
108:スパイラル溝軸受けアセンブリ(SGB)
110:陰極
112:中心シャフト
114:取り付け点
116:半径方向突起
118、120:スリーブ
122:分離位置
124:間隙
126:中心シャフトの外面
128:第一のスリーブの内面
130:第二のスリーブの内面
132:液体金属
134:ロータ
136:ステータ
138:回転軸
140:間隙
142:キャップ
200:皮膜
202:基礎基材
204:第一の窒化チタン層
206:第二の酸化チタン層
208:第一のチタン層
210:第二のチタン層
212:プラズマ・チェンバ又はマグネトロン
214:真空環境
300:被覆工程
500:X線システム
502:ガントリ
504:開口
506:X線管
508:検出器アセンブリ
510:コンベヤ・システム
512:コンベヤ・ベルト
514:構造
516:小包又は手荷物
Claims (14)
- 高真空を封入したフレームと、
前記フレームの内部に配置された陰極と、
軸受けアセンブリと
を備えたX線管であって、前記軸受けアセンブリは、
第一の表面を有する第一の基礎基材で構成された静止構成要素と、
第二の表面を有する第二の基礎基材で構成された回転構成要素であって、前記第一の表面と前記第二の表面との間に間隙が形成されるようにして前記静止構成要素の近傍に配置されている回転構成要素と、
前記間隙の内部に配置されている液体金属と、
前記第一の表面及び前記第二の表面の少なくとも一方に付着させられた濡れ防止皮膜と
を含んでおり、該皮膜は、
前記第一の表面及び前記第二の表面の前記少なくとも一方に付着させられた窒化チタンと、
該窒化チタンに付着させられたチタン酸化物と
を含んでいる、X線管。 - 前記第一の基礎基材及び前記第二の基礎基材の一方がモリブデンを含んでいる、請求項1に記載のX線管。
- 前記チタン酸化物は厚みが5ミクロン未満であり、
前記窒化チタンは厚みが5ミクロンよりも大きい、請求項1または2に記載のX線管。 - 前記皮膜は、前記チタン酸化物と前記窒化チタンとの間に配置されているチタン層を含んでいる、請求項1乃至3のいずれかに記載のX線管。
- 前記皮膜は、前記窒化チタンと、前記第一の表面及び前記第二の表面の前記少なくとも一方との間に配置されているチタン層を含んでいる、請求項1乃至3のいずれかに記載のX線管。
- 前記静止構成要素は、前記フレームに関して静止している中心シャフトである、請求項1乃至5のいずれかに記載のX線管。
- 前記液体金属は、ガリウム及びガリウム合金の一方を含んでいる、請求項1乃至6のいずれかに記載のX線管。
- スパイラル溝軸受けの構成要素に濡れ防止皮膜を形成する方法であって、
前記構成要素に窒化チタンを堆積させるステップと、
前記窒化チタンが前記構成要素に堆積した後に、前記構成要素に酸化チタンを堆積させるステップと
を備えた方法。 - 基礎基材を有する前記構成要素を提供するステップと、
前記構成要素に前記窒化チタンを堆積させるのに先立って前記構成要素の前記基礎基材の表面にチタンを堆積させるステップと、
前記堆積した窒化チタンを形成するように窒素を前記基礎基材の前記表面の前記堆積したチタンと反応させるために、前記窒素を含むプラズマに前記基礎基材の前記表面の前記堆積したチタンを曝露するステップと、
前記堆積した窒化チタンの表面にチタンを堆積させるステップと、
前記堆積した酸化チタンを形成するように酸素を前記堆積した窒化チタンの前記表面の前記堆積したチタンと反応させるために、前記酸素を含むプラズマに前記堆積した窒化チタンの前記表面の前記堆積したチタンを曝露するステップと
を含んでいる請求項8に記載の方法。 - 前記構成要素に前記窒化チタンを堆積させた後で且つ前記酸化チタンを堆積させる前に、前記構成要素にチタンを堆積させるステップを含んでいる請求項8または9に記載の方法。
- マグネトロンに前記構成要素を配置するステップと、
前記マグネトロンを用いて前記窒化チタン及び前記酸化チタンを堆積させるステップと
を含んでいる請求項8乃至10のいずれかに記載の方法。 - チタン及び窒素で構成された化合物を提供するステップ
を含んでおり、
前記窒化チタンを堆積させるステップは、前記マグネトロンを用いて前記チタン及び窒素の化合物を堆積させることを含んでいる、請求項11に記載の方法。 - 前記構成要素が前記マグネトロンに配置された後で且つ前記窒化チタン及び前記酸化チタンを堆積させる前に、前記構成要素を浄化するために前記マグネトロンにおいて前記構成要素をアルゴン・スパッタリングするステップ
を含んでいる請求項11に記載の方法。 - 静止構成要素及び回転構成要素と、
液体金属と
を備えたスパイラル溝軸受け(SGB)であって、
前記静止構成要素及び回転構成要素は各々、それぞれの基礎基材を有し、また各々、
酸化チタンの外面層と、
各々の基礎基材の表面と各々のそれぞれの酸化チタンの外側層との間に配置された窒化チタンと
で構成された層を有し、当該静止構成要素と当該回転構成要素との間に間隙が形成されており、
前記液体金属は、前記間隙に配置されて、ガリウム及びガリウム合金の一方を含んでいる、
スパイラル溝軸受け(SGB)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US13/412,712 | 2012-03-06 | ||
US13/412,712 US8855270B2 (en) | 2012-03-06 | 2012-03-06 | Antiwetting coating for liquid metal bearing and method of making same |
Publications (3)
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JP2013187192A JP2013187192A (ja) | 2013-09-19 |
JP2013187192A5 JP2013187192A5 (ja) | 2016-04-07 |
JP6100560B2 true JP6100560B2 (ja) | 2017-03-22 |
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US (1) | US8855270B2 (ja) |
JP (1) | JP6100560B2 (ja) |
DE (1) | DE102013101904A1 (ja) |
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JP6294151B2 (ja) * | 2014-05-12 | 2018-03-14 | 東京エレクトロン株式会社 | 成膜方法 |
US9972472B2 (en) * | 2014-11-10 | 2018-05-15 | General Electric Company | Welded spiral groove bearing assembly |
US9911570B2 (en) | 2015-12-14 | 2018-03-06 | Varex Imaging Corporation | Antiwetting coating for liquid metal |
JP2019050123A (ja) * | 2017-09-11 | 2019-03-28 | 株式会社島津製作所 | X線発生装置、x線透視像撮影装置およびct像撮影装置 |
KR20200130816A (ko) * | 2018-03-14 | 2020-11-20 | 도쿄엘렉트론가부시키가이샤 | 기판 처리 시스템, 기판 처리 방법 및 컴퓨터 기억 매체 |
US10714297B2 (en) * | 2018-07-09 | 2020-07-14 | General Electric Company | Spiral groove bearing assembly with minimized deflection |
US11020067B1 (en) * | 2020-02-12 | 2021-06-01 | GE Precision Healthcare LLC | Hydrodynamic bearing system and method for manufacturing the hydrodynamic bearing system |
CN113270305B (zh) * | 2021-05-26 | 2022-11-11 | 上海交通大学 | 液态金属轴承 |
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US4690871A (en) | 1986-03-10 | 1987-09-01 | Gordon Roy G | Protective overcoat of titanium nitride films |
US5175126A (en) | 1990-12-27 | 1992-12-29 | Intel Corporation | Process of making titanium nitride barrier layer |
US5858184A (en) | 1995-06-07 | 1999-01-12 | Applied Materials, Inc. | Process for forming improved titanium-containing barrier layers |
JP2003077412A (ja) * | 2001-08-31 | 2003-03-14 | Toshiba Corp | 回転陽極型x線管 |
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US8855270B2 (en) | 2014-10-07 |
US20130235978A1 (en) | 2013-09-12 |
JP2013187192A (ja) | 2013-09-19 |
DE102013101904A1 (de) | 2013-09-12 |
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