FR875263A - Improvements to electron beam devices - Google Patents
Improvements to electron beam devicesInfo
- Publication number
- FR875263A FR875263A FR875263DA FR875263A FR 875263 A FR875263 A FR 875263A FR 875263D A FR875263D A FR 875263DA FR 875263 A FR875263 A FR 875263A
- Authority
- FR
- France
- Prior art keywords
- electron beam
- beam devices
- devices
- electron
- 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
Links
Classifications
-
- 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
- H01J35/06—Cathodes
- H01J35/064—Details of the emitter, e.g. material or structure
-
- 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
- H01J35/06—Cathodes
- H01J35/066—Details of electron optical components, e.g. cathode cups
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2235/00—X-ray tubes
- H01J2235/06—Cathode assembly
- H01J2235/068—Multi-cathode assembly
-
- 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
- H01J35/18—Windows
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US356158A US2316214A (en) | 1940-09-10 | 1940-09-10 | Control of electron flow |
Publications (1)
Publication Number | Publication Date |
---|---|
FR875263A true FR875263A (en) | 1942-09-14 |
Family
ID=23400384
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR875263D Expired FR875263A (en) | 1940-09-10 | 1941-08-26 | Improvements to electron beam devices |
Country Status (2)
Country | Link |
---|---|
US (1) | US2316214A (en) |
FR (1) | FR875263A (en) |
Families Citing this family (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH272088A (en) * | 1947-02-11 | 1950-11-30 | Dent Ott Walter Dr Med | X-ray equipment. |
US2914692A (en) * | 1958-01-02 | 1959-11-24 | Gen Electric | Cathode assembly |
US2975317A (en) * | 1959-04-07 | 1961-03-14 | Univ California | Beam control device |
US3012163A (en) * | 1959-04-09 | 1961-12-05 | Norman P Goss | Demountable x-ray tube |
US3649861A (en) * | 1970-09-09 | 1972-03-14 | Picker Corp | Double focus x-ray tube |
US7382862B2 (en) * | 2005-09-30 | 2008-06-03 | Moxtek, Inc. | X-ray tube cathode with reduced unintended electrical field emission |
US7737424B2 (en) * | 2007-06-01 | 2010-06-15 | Moxtek, Inc. | X-ray window with grid structure |
US20110121179A1 (en) * | 2007-06-01 | 2011-05-26 | Liddiard Steven D | X-ray window with beryllium support structure |
CA2692742A1 (en) * | 2007-07-09 | 2009-01-15 | Brigham Young University | Methods and devices for charged molecule manipulation |
US7529345B2 (en) * | 2007-07-18 | 2009-05-05 | Moxtek, Inc. | Cathode header optic for x-ray tube |
US8498381B2 (en) | 2010-10-07 | 2013-07-30 | Moxtek, Inc. | Polymer layer on X-ray window |
US20100285271A1 (en) * | 2007-09-28 | 2010-11-11 | Davis Robert C | Carbon nanotube assembly |
US9305735B2 (en) | 2007-09-28 | 2016-04-05 | Brigham Young University | Reinforced polymer x-ray window |
EP2195860A4 (en) * | 2007-09-28 | 2010-11-24 | Univ Brigham Young | X-ray window with carbon nanotube frame |
US20100239828A1 (en) * | 2009-03-19 | 2010-09-23 | Cornaby Sterling W | Resistively heated small planar filament |
US8247971B1 (en) | 2009-03-19 | 2012-08-21 | Moxtek, Inc. | Resistively heated small planar filament |
US7983394B2 (en) * | 2009-12-17 | 2011-07-19 | Moxtek, Inc. | Multiple wavelength X-ray source |
US8995621B2 (en) | 2010-09-24 | 2015-03-31 | Moxtek, Inc. | Compact X-ray source |
US8526574B2 (en) | 2010-09-24 | 2013-09-03 | Moxtek, Inc. | Capacitor AC power coupling across high DC voltage differential |
US8804910B1 (en) | 2011-01-24 | 2014-08-12 | Moxtek, Inc. | Reduced power consumption X-ray source |
US8750458B1 (en) | 2011-02-17 | 2014-06-10 | Moxtek, Inc. | Cold electron number amplifier |
US8929515B2 (en) | 2011-02-23 | 2015-01-06 | Moxtek, Inc. | Multiple-size support for X-ray window |
US8792619B2 (en) | 2011-03-30 | 2014-07-29 | Moxtek, Inc. | X-ray tube with semiconductor coating |
US9076628B2 (en) | 2011-05-16 | 2015-07-07 | Brigham Young University | Variable radius taper x-ray window support structure |
US8989354B2 (en) | 2011-05-16 | 2015-03-24 | Brigham Young University | Carbon composite support structure |
US9174412B2 (en) | 2011-05-16 | 2015-11-03 | Brigham Young University | High strength carbon fiber composite wafers for microfabrication |
US8817950B2 (en) | 2011-12-22 | 2014-08-26 | Moxtek, Inc. | X-ray tube to power supply connector |
US8761344B2 (en) | 2011-12-29 | 2014-06-24 | Moxtek, Inc. | Small x-ray tube with electron beam control optics |
US9072154B2 (en) | 2012-12-21 | 2015-06-30 | Moxtek, Inc. | Grid voltage generation for x-ray tube |
US9184020B2 (en) | 2013-03-04 | 2015-11-10 | Moxtek, Inc. | Tiltable or deflectable anode x-ray tube |
US9177755B2 (en) | 2013-03-04 | 2015-11-03 | Moxtek, Inc. | Multi-target X-ray tube with stationary electron beam position |
US9173623B2 (en) | 2013-04-19 | 2015-11-03 | Samuel Soonho Lee | X-ray tube and receiver inside mouth |
-
1940
- 1940-09-10 US US356158A patent/US2316214A/en not_active Expired - Lifetime
-
1941
- 1941-08-26 FR FR875263D patent/FR875263A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2316214A (en) | 1943-04-13 |
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