FR2235473B1 - - Google Patents

Info

Publication number
FR2235473B1
FR2235473B1 FR7422328A FR7422328A FR2235473B1 FR 2235473 B1 FR2235473 B1 FR 2235473B1 FR 7422328 A FR7422328 A FR 7422328A FR 7422328 A FR7422328 A FR 7422328A FR 2235473 B1 FR2235473 B1 FR 2235473B1
Authority
FR
France
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
Application number
FR7422328A
Other versions
FR2235473A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Licentia Patent Verwaltungs GmbH
Original Assignee
Licentia Patent Verwaltungs GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Licentia Patent Verwaltungs GmbH filed Critical Licentia Patent Verwaltungs GmbH
Publication of FR2235473A1 publication Critical patent/FR2235473A1/fr
Application granted granted Critical
Publication of FR2235473B1 publication Critical patent/FR2235473B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J23/00—Details of transit-time tubes of the types covered by group H01J25/00
    • H01J23/02—Electrodes; Magnetic control means; Screens
    • H01J23/027—Collectors
    • H01J23/0275—Multistage collectors
FR7422328A 1973-06-30 1974-06-26 Expired FR2235473B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2333441A DE2333441C3 (de) 1973-06-30 1973-06-30 Lauffeldröhre

Publications (2)

Publication Number Publication Date
FR2235473A1 FR2235473A1 (fr) 1975-01-24
FR2235473B1 true FR2235473B1 (fr) 1979-05-25

Family

ID=5885637

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7422328A Expired FR2235473B1 (fr) 1973-06-30 1974-06-26

Country Status (3)

Country Link
US (1) US3930182A (fr)
DE (1) DE2333441C3 (fr)
FR (1) FR2235473B1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2633326C2 (de) * 1973-06-30 1984-07-19 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Lauffeldröhre
JPS5842926B2 (ja) * 1977-03-24 1983-09-22 日本電気株式会社 永久磁石形磁気回路を有するマイクロ波管
DE2906657C2 (de) * 1979-02-21 1983-05-05 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Lauffeldröhre
US4387323A (en) * 1980-12-15 1983-06-07 Varian Associates, Inc. Permanent magnet structure for linear-beam electron tubes
DE58909506D1 (de) * 1988-09-30 1996-01-04 Thomson Tubes Electroniques Wanderfeldröhre.
US5389854A (en) * 1992-07-21 1995-02-14 Litton Systems, Inc. Collector ion expeller
US6320315B1 (en) * 1998-10-22 2001-11-20 Litton Systems, Inc. Ceramic electron collector assembly having metal sleeve for high temperature operation
US6653787B2 (en) 2002-03-05 2003-11-25 L-3 Communications Corporation High power density multistage depressed collector
NL1026006C2 (nl) 2004-04-22 2005-10-25 Fei Co Deeltjes-optisch apparaat voorzien van lenzen met permanent magnetisch materiaal.
CN101461026B (zh) * 2006-06-07 2012-01-18 Fei公司 与包含真空室的装置一起使用的滑动轴承

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB539422A (en) * 1940-02-06 1941-09-10 Standard Telephones Cables Ltd Improvements in or relating to arrangments for producing concentrated beams of electrons, particularly for electron discharge apparatus of the velocity modulation type
USRE22389E (en) * 1940-07-13 1943-11-02 Electron beam concentrating
US2853641A (en) * 1955-01-20 1958-09-23 Gen Electric Electron beam and wave energy interaction device
FR1257796A (fr) * 1960-02-25 1961-04-07 Csf Collecteur d'électrons pour tubes à modulation de vitesse de grande puissance
NL266512A (fr) * 1960-09-20
US3297907A (en) * 1963-06-13 1967-01-10 Varian Associates Electron tube with collector having magnetic field associated therewith, said field causing electron dispersion throughout the collector
US3368104A (en) * 1964-03-17 1968-02-06 Varian Associates Electron beam tube included depressed collector therefor
DE1491387B1 (de) * 1964-07-23 1970-07-30 Philips Patentverwaltung Dauermagnetische Fokussiereinrichtung zur gebuendelten Einfuehrung eines Elektronenstrahls in einen Kollektor eines Hochleistungsmehrkammerklystrons
FR1412485A (fr) * 1964-08-07 1965-10-01 Thomson Houston Comp Francaise Perfectionnements aux amplificateurs et oscillateurs pour hyperfréquences comprenant des tubes à faisceau électronique
US3445714A (en) * 1965-10-19 1969-05-20 Nippon Electric Co Travelling-wave tube amplifier having asymmetric magnetomotive force within the collector for preventing backflow of secondary electrons
US3450930A (en) * 1966-11-14 1969-06-17 Varian Associates Permanent magnet focused linear beam tube employing a compensating magnet structure between the main magnet and the beam collector

Also Published As

Publication number Publication date
DE2333441A1 (de) 1975-01-09
FR2235473A1 (fr) 1975-01-24
US3930182A (en) 1975-12-30
DE2333441C3 (de) 1975-12-18
DE2333441B2 (de) 1975-04-30

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Legal Events

Date Code Title Description
ST Notification of lapse