JP2004353867A5 - - Google Patents
Download PDFInfo
- Publication number
- JP2004353867A5 JP2004353867A5 JP2004155516A JP2004155516A JP2004353867A5 JP 2004353867 A5 JP2004353867 A5 JP 2004353867A5 JP 2004155516 A JP2004155516 A JP 2004155516A JP 2004155516 A JP2004155516 A JP 2004155516A JP 2004353867 A5 JP2004353867 A5 JP 2004353867A5
- Authority
- JP
- Japan
- Prior art keywords
- conductive
- bearing
- ray tube
- rolling element
- rolling elements
- 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.)
- Pending
Links
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000005096 rolling process Methods 0.000 claims 14
- 239000000919 ceramic Substances 0.000 claims 3
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 238000003384 imaging method Methods 0.000 claims 1
- 230000001678 irradiating effect Effects 0.000 claims 1
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 238000007689 inspection Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 229910001080 W alloy Inorganic materials 0.000 description 1
- 210000003484 anatomy Anatomy 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003870 refractory metal Substances 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/445,590 US20050254739A1 (en) | 2003-05-27 | 2003-05-27 | Electrically conducting ceramic bearing rolling elements |
| US10/630,284 US7044644B2 (en) | 2003-05-27 | 2003-07-30 | Electrically conducting ceramic bearings |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2004353867A JP2004353867A (ja) | 2004-12-16 |
| JP2004353867A5 true JP2004353867A5 (https=) | 2009-08-06 |
Family
ID=33456653
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004155516A Pending JP2004353867A (ja) | 2003-05-27 | 2004-05-26 | 導電性セラミック軸受 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US7044644B2 (https=) |
| JP (1) | JP2004353867A (https=) |
| DE (1) | DE102004021466A1 (https=) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008243694A (ja) * | 2007-03-28 | 2008-10-09 | Jtekt Corp | Ｘ線管用転がり軸受およびｘ線管装置 |
| EP2128465B1 (de) * | 2008-05-14 | 2011-07-06 | Siemens Aktiengesellschaft | Wälzlager, Wälzkörper für Wälzlager und Gerät mit Wälzlager |
| US8529136B2 (en) * | 2009-03-30 | 2013-09-10 | Wafertech, Llc | High temperature ball bearing |
| DE102013217517A1 (de) | 2013-09-03 | 2015-03-05 | Schaeffler Technologies Gmbh & Co. Kg | Wälzlager und Wälzkörper zum Abbau elektrischer Potentiale |
| DE102018218432B4 (de) * | 2018-10-29 | 2023-05-17 | Minebea Mitsumi Inc. | Drehanodenlagerung für eine Röntgenröhre und Drehanode für eine Röntgenröhre |
| CN110137061A (zh) * | 2019-05-31 | 2019-08-16 | 麦默真空技术无锡有限公司 | 一种耐高温x射线ct管 |
| CN115376871A (zh) * | 2021-05-18 | 2022-11-22 | 西门子爱克斯射线真空技术(无锡)有限公司 | X射线管及x射线发生装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678769B2 (ja) * | 1987-04-13 | 1994-10-05 | 石川島播磨重工業株式会社 | セラミック軸受取付構造 |
| JPH02140027U (https=) * | 1989-04-27 | 1990-11-22 | ||
| JP3535558B2 (ja) * | 1994-03-07 | 2004-06-07 | 株式会社東芝 | 摺動部材、転がり軸受および回転陽極ｘ線管 |
| JP2000192969A (ja) * | 1998-12-24 | 2000-07-11 | Nsk Ltd | 転がり軸受 |
| EP1033505B1 (en) * | 1999-03-04 | 2005-07-27 | NGK Spark Plug Company Limited | Ceramic bearing ball |
| US6158894A (en) * | 1999-07-28 | 2000-12-12 | Saint-Gobain Ceramics & Plastics, Inc. | All ceramic bearing |
| US6702466B2 (en) * | 1999-10-15 | 2004-03-09 | Ngk Spark Plug Co., Ltd. | Ceramic dynamic-pressure bearing, motor having bearing, hard disk drive, polygon scanner, and method for manufacturing ceramic dynamic-pressure bearing |
| US6508591B2 (en) * | 2000-08-31 | 2003-01-21 | Ngk Spark Plug Co., Ltd. | Conductive ceramic bearing ball, ball bearing, motor having bearing, hard disk drive, and polygon scanner |
| JP2002247798A (ja) * | 2001-02-20 | 2002-08-30 | Sanyo Denki Co Ltd | ファンモータ |
| US6874942B2 (en) * | 2001-03-02 | 2005-04-05 | Nsk Ltd. | Rolling device |
| US6505974B2 (en) * | 2001-05-02 | 2003-01-14 | Honeywell International, Inc. | Ceramic ball bearings and assembly |
-
2003
- 2003-07-30 US US10/630,284 patent/US7044644B2/en not_active Expired - Fee Related
-
2004
- 2004-04-30 DE DE102004021466A patent/DE102004021466A1/de not_active Ceased
- 2004-05-26 JP JP2004155516A patent/JP2004353867A/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8477908B2 (en) | System and method for beam focusing and control in an indirectly heated cathode | |
| CN102142346B (zh) | X‑射线阴极及其制造方法 | |
| US20110142193A1 (en) | X-ray tube for microsecond x-ray intensity switching | |
| CN102099888B (zh) | X射线源和包含这种x射线源的x射线设备 | |
| US9408577B2 (en) | Multiradiation generation apparatus and radiation imaging system utilizing dual-purpose radiation sources | |
| US20060104418A1 (en) | Wide scanning x-ray source | |
| US20120114105A1 (en) | X-ray tube target brazed emission layer | |
| CN102157323A (zh) | 用于宽幅计算断层照相术的设备和构造该设备的方法 | |
| JP2004353867A5 (https=) | ||
| US8284901B2 (en) | Apparatus and method for improved transient response in an electromagnetically controlled x-ray tube | |
| US12512289B2 (en) | X-ray tube anode with optimized area focal spot track | |
| US7643614B2 (en) | Method and apparatus for increasing heat radiation from an x-ray tube target shaft | |
| CN117832045A (zh) | 一种基于透射靶的电子束动态扫描的微焦点射线源 | |
| US10460900B2 (en) | X-ray tube device and x-ray CT apparatus | |
| US9443691B2 (en) | Electron emission surface for X-ray generation | |
| CN104434163B (zh) | 一种碳纳米ct成像系统及成像方法 | |
| JP2004353867A (ja) | 導電性セラミック軸受 | |
| US8284899B2 (en) | X-ray tube having a focal spot proximate the tube end | |
| US7852987B2 (en) | X-ray tube having a rotating and linearly translating anode | |
| US10651002B2 (en) | X-ray tube | |
| JP2024048646A (ja) | Ｘ線管装置及びｘ線ｃｔ装置 | |
| US10468222B2 (en) | Angled flat emitter for high power cathode with electrostatic emission control | |
| CN221650244U (zh) | 一种基于透射靶动态扫描的电子束微焦点射线源成像系统 | |
| CN113223911A (zh) | 一种双能球管 | |
| JP6537679B2 (ja) | 放射線管、放射線源及び放射線検査装置 |