DK103681C - Permanent magnet system for controlling an electron beam over a longer distance, in particular for traveling wave tubes. - Google Patents

Permanent magnet system for controlling an electron beam over a longer distance, in particular for traveling wave tubes.

Info

Publication number: DK103681C
Authority: DK; Denmark
Prior art keywords: controlling; permanent magnet; electron beam; traveling wave; magnet system
Prior art date: 1962-10-04

Application number

DK349163AA

Other languages

Danish (da)

Original Assignee

Siemens Ag

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.)

1962-10-04

Filing date

1963-07-22

Publication date

1966-02-07

1963-07-22 Application filed by Siemens Ag filed Critical Siemens Ag

1966-02-07 Application granted granted Critical

1966-02-07 Publication of DK103681C publication Critical patent/DK103681C/en

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
- H01J23/08—Focusing arrangements, e.g. for concentrating stream of electrons, for preventing spreading of stream
- H01J23/087—Magnetic focusing arrangements
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F7/00—Magnets
- H01F7/02—Permanent magnets [PM]
- H01F7/0273—Magnetic circuits with PM for magnetic field generation
- H01F7/0278—Magnetic circuits with PM for magnetic field generation for generating uniform fields, focusing, deflecting electrically charged particles
- 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

Landscapes

Physics & Mathematics (AREA)
Electromagnetism (AREA)
Engineering & Computer Science (AREA)
Power Engineering (AREA)
Permanent Field Magnets Of Synchronous Machinery (AREA)
Microwave Tubes (AREA)
Particle Accelerators (AREA)

DK349163AA 1962-10-04 1963-07-22 Permanent magnet system for controlling an electron beam over a longer distance, in particular for traveling wave tubes. DK103681C (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DES81889A DE1298646B (en)	1962-10-04	1962-10-04	Permanent magnetic focusing system for generating an at least approximately homogeneous magnetic field for the bundled guidance of an electron beam over a larger distance, especially for traveling wave tubes

Publications (1)

Publication Number	Publication Date
DK103681C true DK103681C (en)	1966-02-07

Family

ID=7509982

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK349163AA DK103681C (en)	1962-10-04	1963-07-22	Permanent magnet system for controlling an electron beam over a longer distance, in particular for traveling wave tubes.

Country Status (6)

Country	Link
US (1)	US3237059A (en)
DE (1)	DE1298646B (en)
DK (1)	DK103681C (en)
GB (1)	GB1039576A (en)
NL (2)	NL133615C (en)
SE (1)	SE319241B (en)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1491444B2 (en) *	1965-01-26	1972-04-06	Siemens AG, 1000 Berlin u 8000 München	PERMANENT MAGNET SYSTEM FOR GENERATING A SIGNIFICANTLY HOMOGENOUS MAGNETIC FIELD FOR CONCENTRATED GUIDANCE OF AN ELECTRON BEAM OVER A LONGER DISTANCE, IN PARTICULAR FOR WALKING FIELD TUBES
US3686527A (en) *	1969-12-12	1972-08-22	Sanders Associates Inc	High-speed synthesized field focus coil
WO1981002221A1 (en) *	1980-01-28	1981-08-06	V Pasmannik	Reversible periodical magneto-focusing system
US4720692A (en) *	1984-10-24	1988-01-19	The United States Of America As Represented By The Secretary Of The Air Force	Long, narrow, uniform magnetic field apparatus and method
US4647887A (en) *	1984-12-24	1987-03-03	The United States Of America As Represented By The Secretary Of The Army	Lightweight cladding for magnetic circuits
US4614930A (en) *	1985-03-25	1986-09-30	General Electric Company	Radially magnetized cylindrical magnet
DE3518852A1 (en) *	1985-05-23	1986-11-27	Siemens AG, 1000 Berlin und 8000 München	MAGNET OF A CORE MIRROR TOMOGRAPH
US4658228A (en) *	1986-05-01	1987-04-14	The United States Of America As Represented By The Secreatry Of The Army	Confinement of longitudinal, axially symmetric, magnetic fields to annular regions with permanent magnets
US4654618A (en) *	1986-05-01	1987-03-31	The United States Of America As Represented By The Secretary Of The Army	Confinement of kOe magnetic fields to very small areas in miniature devices
US4701737A (en) *	1986-05-30	1987-10-20	The United States Of America As Represented By The Secretary Of The Army	Leakage-free, linearly varying axial permanent magnet field source
FR2605451B1 (en) *	1986-10-17	1993-12-24	Thomson Cgr	PERMANENT CYLINDRICAL MAGNET WITH LONGITUDINAL INDUCED FIELD
FR2605450B1 (en) *	1986-10-17	1988-12-02	Thomson Cgr	CYLINDRICAL PERMANENT MAGNET FOR PRODUCING A UNIFORM AND TRANSVERSE INDUCTION FIELD
FR2605452B1 (en) *	1986-10-17	1988-12-02	Thomson Cgr	SPHERICAL PERMANENT MAGNET WITH EQUATORIAL ACCESS
US4953555A (en) *	1987-10-20	1990-09-04	The United States Of Americas As Represented By The Secretary Of The Army	Permanent magnet structure for a nuclear magnetic resonance imager for medical diagnostics
JP2826895B2 (en) *	1990-09-19	1998-11-18	ティーディーケイ株式会社	Permanent magnet magnetic circuit
US5319339A (en) *	1993-03-08	1994-06-07	The United States Of America As Represented By The Secretary Of The Army	Tubular structure having transverse magnetic field with gradient
DE4424230C2 (en) *	1994-07-09	1996-08-14	Karlsruhe Forschzent	Magnet system for gyrotrons
US5576679A (en) *	1994-10-25	1996-11-19	Shin-Etsu Chemical Co., Ltd.	Cylindrical permanent magnet unit suitable for gyrotron
US5786741A (en) *	1995-12-21	1998-07-28	Aura Systems, Inc.	Polygon magnet structure for voice coil actuator
US5929732A (en) *	1997-04-17	1999-07-27	Lockheed Martin Corporation	Apparatus and method for amplifying a magnetic beam
KR100682661B1 (en) *	2005-09-13	2007-02-15	엘지전자 주식회사	A motor and a washing machine including the motor
US8179220B2 (en)	2008-05-28	2012-05-15	Otto Voegeli	Confined field magnet system and method
CN105047355A (en) *	2015-08-12	2015-11-11	中国科学院电工研究所	Cylindrical permanent magnet system for focusing and guiding electron beam
CN112912748B (en) *	2018-09-03	2024-12-20	新加坡科技设计大学	Permanent magnet system and method of forming the same
KR20210096189A (en) *	2018-11-29	2021-08-04	엡시타우 엘티디.	Lightweight Asymmetric Magnet Arrangements with Theta Magnet Rings
RU206633U1 (en) *	2020-01-28	2021-09-20	Акционерное общество "Научно-производственное предприятие "Исток" имени А.И. Шокина" (АО "НПП "Исток" им. Шокина")	MAGNETIC FOCUSING SYSTEM

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE725473C (en) *	1935-07-23	1942-10-08	Fernseh Gmbh	Electron collecting coil
FR1105964A (en) *	1954-06-03	1955-12-09	Csf	Improvement with permanent magnets
NL99653C (en) *	1956-03-01

0
- NL NL298777D patent/NL298777A/xx unknown
- NL NL133615D patent/NL133615C/xx active
1962
- 1962-10-04 DE DES81889A patent/DE1298646B/en active Pending
1963
- 1963-07-22 DK DK349163AA patent/DK103681C/en active
- 1963-09-23 US US310802A patent/US3237059A/en not_active Expired - Lifetime
- 1963-10-02 SE SE10768/63A patent/SE319241B/xx unknown
- 1963-10-03 GB GB38914/63A patent/GB1039576A/en not_active Expired

Also Published As

Publication number	Publication date
GB1039576A (en)	1966-08-17
SE319241B (en)	1970-01-12
NL298777A (en)	1900-01-01
NL133615C (en)
US3237059A (en)	1966-02-22
DE1298646B (en)	1969-07-03

Publication	Publication Date	Title
DK103681C (en)	1966-02-07	Permanent magnet system for controlling an electron beam over a longer distance, in particular for traveling wave tubes.
DK121523B (en)	1971-10-25	Method for manufacturing a cathode ray tube.
NL151866B (en)	1976-12-15	SATELLITE COMMUNICATIONS SYSTEM.
DK121914B (en)	1971-12-20	Electron beam oven.
NL156858B (en)	1978-05-16	ELECTRON BEAM TUBE.
NL145716B (en)	1975-04-15	ELECTRON BEAM DEVICE.
DK113817B (en)	1969-04-28	Electric arc welding system.
NL141699B (en)	1974-03-15	GETTER DEVICE FOR CATHOD BEAM TUBES.
DK112069B (en)	1968-11-04	Mechanism for controlling tracked vehicles.
NL145067B (en)	1975-02-17	EQUIPMENT EQUIPPED WITH AN ELECTRON BEAM TUBE.
NL159526B (en)	1979-02-15	ELECTRON GUN.
NL148737B (en)	1976-02-16	ELECTRON TUBE.
NL144087B (en)	1974-11-15	ION SOURCE.
NL142786B (en)	1974-07-15	IMPULSE RADAR SYSTEM.
DK109890C (en)	1968-07-22	Collector for piles.
NL140690B (en)	1973-12-17	SWITCHING DEVICE FOR CORRECTION OF CUSHION-SHAPED DRAWING WHEN AN ELECTRON BEAM IN A DISPLAY TUBE DEFLECTED.
DK111007B (en)	1968-04-29	Procedure for inactivating myxovirus.
DK119334B (en)	1970-12-14	Method for manufacturing an electrode.
NL152701B (en)	1977-03-15	FOR AN ELECTRON TUBE COOLING SYSTEM.
FR1457839A (en)	1966-11-04	Cathode for electron tubes
NL153346B (en)	1977-05-16	MAGNETIC DEFLECTORS FOR AN ELECTRON BEAM TUBE.
DK114418B (en)	1969-06-30	Trigger magnet.
DK112839B (en)	1969-01-20	Mechanism for controlling tracked vehicles.
DK108251C (en)	1967-10-30	Method for recovering urokinase.
NL142277B (en)	1974-05-15	ELECTRON MICROSCOPE.