CH345397A - Kompensationspolschuh zum Kompensieren des Astigmatismus einer magnetischen Elektronenlinse - Google Patents

Kompensationspolschuh zum Kompensieren des Astigmatismus einer magnetischen Elektronenlinse

Info

Publication number: CH345397A
Authority: CH; Switzerland
Prior art keywords: astigmatism; compensating; pole piece; electron lens; magnetic electron
Prior art date: 1955-10-04

Application number

Other languages

English (en)

Inventor

Cornelis Van Dorsten Adrianus

Jozef Franken Adrianus Jacobus

Original Assignee

Philips Nv

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.)

1955-10-04

Filing date

1956-10-02

Publication date

1960-03-31

1956-10-02 Application filed by Philips Nv filed Critical Philips Nv

1960-03-31 Publication of CH345397A publication Critical patent/CH345397A/de

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/10—Lenses
- H01J37/14—Lenses magnetic
- H01J37/141—Electromagnetic lenses
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J37/00—Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
- H01J37/02—Details
- H01J37/04—Arrangements of electrodes and associated parts for generating or controlling the discharge, e.g. electron-optical arrangement or ion-optical arrangement
- H01J37/153—Electron-optical or ion-optical arrangements for the correction of image defects, e.g. stigmators

Landscapes

Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Physics & Mathematics (AREA)
Electromagnetism (AREA)
Electron Beam Exposure (AREA)
Electron Sources, Ion Sources (AREA)

CH345397D 1955-10-04 1956-10-02 Kompensationspolschuh zum Kompensieren des Astigmatismus einer magnetischen Elektronenlinse CH345397A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL345397X		1955-10-04

Publications (1)

Publication Number	Publication Date
CH345397A true CH345397A (de)	1960-03-31

Family

ID=19784879

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH345397D CH345397A (de)	1955-10-04	1956-10-02	Kompensationspolschuh zum Kompensieren des Astigmatismus einer magnetischen Elektronenlinse

Country Status (7)

Country	Link
US (1)	US2910603A (de)
BE (1)	BE551462A (de)
CH (1)	CH345397A (de)
DE (1)	DE1089089B (de)
FR (1)	FR1171295A (de)
GB (1)	GB833249A (de)
NL (2)	NL200957A (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL242894A (de) *	1958-09-06
US3046397A (en) *	1959-06-17	1962-07-24	Tesla Np	Device for compensating axial astigmatism of electron-optical systems
US3021445A (en) *	1959-07-24	1962-02-13	Bbc Brown Boveri & Cie	Electron lens
US3253144A (en) *	1963-05-27	1966-05-24	Tektronix Inc	Electron lens having means for correcting astigmatism
US3322950A (en) *	1964-09-01	1967-05-30	Varian Associates	Linear accelerator radiotherapy device and associated beam defining structure
JPS58123648A (ja) *	1982-01-18	1983-07-22	Hitachi Ltd	電磁レンズポ−ルピ−ス構造体
US7995443B2 (en) *	2007-07-30	2011-08-09	International Business Machines Corporation	Apparatus and method to store information in a holographic data storage medium
JP6219741B2 (ja) *	2014-02-13	2017-10-25	日本電子株式会社	多極子レンズの製造方法、多極子レンズ、および荷電粒子線装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL54829C (de) *	1936-09-11
DE973258C (de) *	1938-03-08	1959-12-31	Siemens Ag	Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen
US2568456A (en) *	1949-12-06	1951-09-18	Gen Electric	Electromagnetic deflection yoke structure
US2587942A (en) *	1949-12-27	1952-03-04	Leitz Ernst Gmbh	Electronic optical correction mechanism for magnetic lenses
US2608665A (en) *	1950-07-29	1952-08-26	Gen Electric	Permanent magnet focusing device
NL94737C (de) *	1950-08-29
NL194113A (de) *	1954-01-22

0
- NL NL100357D patent/NL100357C/xx active
- BE BE551462D patent/BE551462A/xx unknown
- NL NL200957D patent/NL200957A/xx unknown
1956
- 1956-10-01 DE DEN12798A patent/DE1089089B/de active Pending
- 1956-10-01 GB GB29852/56A patent/GB833249A/en not_active Expired
- 1956-10-02 CH CH345397D patent/CH345397A/de unknown
- 1956-10-02 FR FR1171295D patent/FR1171295A/fr not_active Expired
- 1956-10-03 US US613767A patent/US2910603A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
GB833249A (en)	1960-04-21
FR1171295A (fr)	1959-01-23
DE1089089B (de)	1960-09-15
US2910603A (en)	1959-10-27
NL200957A (de)
BE551462A (de)
NL100357C (de)

Similar Documents

Publication	Publication Date	Title
CH345397A (de)	1960-03-31	Kompensationspolschuh zum Kompensieren des Astigmatismus einer magnetischen Elektronenlinse
FR1167916A (fr)	1958-12-03	Revêtement magnétique
CH356003A (de)	1961-07-31	Magnetisches Spannfutter
CH339297A (de)	1959-06-30	Stigmator
CH328885A (de)	1958-03-31	Einrichtung zum Ausgleichen des Astigmatismus einer Elektronenlinse
CH314137A (de)	1956-05-31	Polschuh für magnetische Elektronenlinsen
CH314474A (de)	1956-06-15	Polschuh für eine magnetische Elektronenlinse
CA515917A (en)	1955-08-23	Vapor-phase corrosion inhibition
FR1149645A (fr)	1957-12-30	Perfectionnements aux embrayages magnétiques
FR1123292A (fr)	1956-09-19	Perfectionnements aux coronelles de dévidage
FR1124943A (fr)	1956-10-22	Perfectionnements aux embrayages magnétiques
FR1133833A (fr)	1957-04-02	Perfectionnements apportés aux transformateurs à fuites
DK91334C (da)	1961-07-17	Anordning ved magnetiske elektronlinser til kompensering af deres astigmatisme.
FR1128740A (fr)	1957-01-09	Perfectionnements aux transformateurs de couples
FR1154247A (fr)	1958-04-03	Perfectionnement aux suspensions dites : <<hydro-pneumatique>> des véhicules
FR1137322A (fr)	1957-05-27	Perfectionnements aux objectifs catadioptriques
CA520130A (en)	1955-12-27	Transformer coil construction
FR1160408A (fr)	1958-07-15	Perfectionnements aux bobineuses de canettes
FR1161202A (fr)	1958-08-25	Perfectionnements aux bobineuses de canettes
FR1161764A (fr)	1958-09-04	Perfectionnements aux bobineuses de canettes
FR1160394A (fr)	1958-07-15	Perfectionnements aux bobineuses de canettes
AT187962B (de)	1956-12-10	Drosselspule
FR1120484A (fr)	1956-07-06	Perfectionnements aux accouplements magnétiques
CH344449A (de)	1960-02-15	Magnetverstärker-Anordnung
FR1121608A (fr)	1956-08-22	Canette pour métiers à tisser