JP4768253B2 - 陰極と電磁シールド間の導電的近接を有するx線管システム及び装置 - Google Patents
陰極と電磁シールド間の導電的近接を有するx線管システム及び装置 Download PDFInfo
- Publication number
- JP4768253B2 JP4768253B2 JP2004348517A JP2004348517A JP4768253B2 JP 4768253 B2 JP4768253 B2 JP 4768253B2 JP 2004348517 A JP2004348517 A JP 2004348517A JP 2004348517 A JP2004348517 A JP 2004348517A JP 4768253 B2 JP4768253 B2 JP 4768253B2
- Authority
- JP
- Japan
- Prior art keywords
- cathode
- insulator
- cathode post
- imaging tube
- ray tube
- 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.)
- Expired - Fee Related
Links
- 239000012212 insulator Substances 0.000 claims description 61
- 238000003384 imaging method Methods 0.000 claims description 25
- 230000005684 electric field Effects 0.000 claims description 20
- 230000005686 electrostatic field Effects 0.000 claims description 18
- 238000005452 bending Methods 0.000 claims description 6
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000002591 computed tomography Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 238000013170 computed tomography imaging Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005672 electromagnetic field Effects 0.000 description 2
- 230000005669 field effect Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010894 electron beam technology Methods 0.000 description 1
- 238000005421 electrostatic potential Methods 0.000 description 1
- 235000011194 food seasoning agent Nutrition 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000001959 radiotherapy Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/16—Vessels; Containers; Shields associated therewith
- H01J35/165—Vessels; Containers; Shields associated therewith joining connectors to the tube
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J35/00—X-ray tubes
- H01J35/02—Details
- H01J35/16—Vessels; Containers; Shields associated therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/02—Electrical arrangements
- H01J2235/023—Connecting of signals or tensions to or through the vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/16—Vessels
- H01J2235/165—Shielding arrangements
- H01J2235/166—Shielding arrangements against electromagnetic radiation
Landscapes
- X-Ray Techniques (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/707,269 | 2003-12-02 | ||
| US10/707,269 US6901136B1 (en) | 2003-12-02 | 2003-12-02 | X-ray tube system and apparatus with conductive proximity between cathode and electromagnetic shield |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005203354A JP2005203354A (ja) | 2005-07-28 |
| JP2005203354A5 JP2005203354A5 (enExample) | 2008-01-24 |
| JP4768253B2 true JP4768253B2 (ja) | 2011-09-07 |
Family
ID=34590837
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2004348517A Expired - Fee Related JP4768253B2 (ja) | 2003-12-02 | 2004-12-01 | 陰極と電磁シールド間の導電的近接を有するx線管システム及び装置 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US6901136B1 (enExample) |
| JP (1) | JP4768253B2 (enExample) |
| DE (1) | DE102004058289A1 (enExample) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7218707B2 (en) * | 2002-09-09 | 2007-05-15 | Comet Holding Ag | High-voltage vacuum tube |
| US7020244B1 (en) * | 2004-12-17 | 2006-03-28 | General Electric Company | Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes |
| US7668295B2 (en) * | 2007-05-14 | 2010-02-23 | General Electric Co. | System and method for high voltage transient suppression and spit protection in an x-ray tube |
| JP5278895B2 (ja) * | 2008-04-25 | 2013-09-04 | 株式会社日立メディコ | 陽極接地型x線管装置 |
| US7881436B2 (en) * | 2008-05-12 | 2011-02-01 | General Electric Company | Method and apparatus of differential pumping in an x-ray tube |
| US7783012B2 (en) * | 2008-09-15 | 2010-08-24 | General Electric Company | Apparatus for a surface graded x-ray tube insulator and method of assembling same |
| US8675818B2 (en) * | 2011-04-12 | 2014-03-18 | Varian Medical Systems, Inc. | Ceramic metallization in an x-ray tube |
| JP2016186880A (ja) * | 2015-03-27 | 2016-10-27 | 東芝電子管デバイス株式会社 | X線管 |
| US11201031B2 (en) * | 2018-03-22 | 2021-12-14 | Varex Imaging Corporation | High voltage seals and structures having reduced electric fields |
| US10923307B1 (en) * | 2020-04-13 | 2021-02-16 | Hamamatsu Photonics K.K. | Electron beam generator |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3116169A1 (de) * | 1981-04-23 | 1982-11-11 | Philips Patentverwaltung Gmbh, 2000 Hamburg | Hochspannungs-vakuumroehre, insbesondere roentgenroehre |
| US5136625A (en) * | 1991-10-18 | 1992-08-04 | Varian Associates, Inc. | Metal center x-ray tube |
| EP0590418B1 (de) * | 1992-10-02 | 1996-08-14 | Licentia Patent-Verwaltungs-GmbH | Hochspannungsröhre |
| US6236713B1 (en) * | 1998-10-27 | 2001-05-22 | Litton Systems, Inc. | X-ray tube providing variable imaging spot size |
| CN1596140A (zh) * | 2001-06-19 | 2005-03-16 | 光电子公司 | 光学驱动治疗辐射源 |
| US6570962B1 (en) * | 2002-01-30 | 2003-05-27 | Koninklijke Philips Electronics N.V. | X-ray tube envelope with integral corona shield |
| US6816574B2 (en) * | 2002-08-06 | 2004-11-09 | Varian Medical Systems, Inc. | X-ray tube high voltage connector |
| US6798865B2 (en) * | 2002-11-14 | 2004-09-28 | Ge Medical Systems Global Technology | HV system for a mono-polar CT tube |
| US6922463B2 (en) * | 2002-11-14 | 2005-07-26 | Ge Medical Systems Global Technology Company, Llc | Thermally high conductive HV connector for a mono-polar CT tube |
-
2003
- 2003-12-02 US US10/707,269 patent/US6901136B1/en not_active Expired - Lifetime
-
2004
- 2004-12-01 JP JP2004348517A patent/JP4768253B2/ja not_active Expired - Fee Related
- 2004-12-02 DE DE102004058289A patent/DE102004058289A1/de not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE102004058289A1 (de) | 2005-07-28 |
| US6901136B1 (en) | 2005-05-31 |
| JP2005203354A (ja) | 2005-07-28 |
| US20050117704A1 (en) | 2005-06-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7702077B2 (en) | Apparatus for a compact HV insulator for x-ray and vacuum tube and method of assembling same | |
| US6816574B2 (en) | X-ray tube high voltage connector | |
| CN101494149B (zh) | 用于多点x射线的基于场发射体的电子源 | |
| JP4768253B2 (ja) | 陰極と電磁シールド間の導電的近接を有するx線管システム及び装置 | |
| EP2697814B1 (en) | Metalized ceramic sealing plate for an x-ray tube | |
| JP4876047B2 (ja) | X線発生装置及びx線ct装置 | |
| JPH0324736B2 (enExample) | ||
| US6798865B2 (en) | HV system for a mono-polar CT tube | |
| US10032595B2 (en) | Robust electrode with septum rod for biased X-ray tube cathode | |
| US5136625A (en) | Metal center x-ray tube | |
| JPH0355933B2 (enExample) | ||
| US4053802A (en) | High-voltage vacuum tube, particularly an x-ray tube | |
| CN112216584A (zh) | 带屏蔽部件的x射线发生器 | |
| KR101864214B1 (ko) | 초소형 엑스선 튜브 | |
| US7020244B1 (en) | Method and design for electrical stress mitigation in high voltage insulators in X-ray tubes | |
| WO2012102834A1 (en) | Ultra-low capacitance high voltage cable assemblies for ct systems | |
| US4757524A (en) | X-ray generator | |
| CN217444331U (zh) | 冷阴极x射线管及x射线发生装置 | |
| EP3817028A1 (en) | Charged particle beam generation device and charged particle beam device | |
| JP5278895B2 (ja) | 陽極接地型x線管装置 | |
| JP5361478B2 (ja) | X線管装置 | |
| CN114551192A (zh) | 冷阴极x射线管及x射线发生装置 | |
| JP2011003388A (ja) | X線管及びx線ct装置 | |
| KR20170037002A (ko) | 초소형 엑스선발생장치의 엑스선헤드의 쉴드형성 방법 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20071129 |
|
| A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20071129 |
|
| RD02 | Notification of acceptance of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7422 Effective date: 20101124 |
|
| RD04 | Notification of resignation of power of attorney |
Free format text: JAPANESE INTERMEDIATE CODE: A7424 Effective date: 20101124 |
|
| A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20101203 |
|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20101214 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20110302 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20110531 |
|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20110616 |
|
| R150 | Certificate of patent or registration of utility model |
Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20140624 Year of fee payment: 3 |
|
| LAPS | Cancellation because of no payment of annual fees |