BE645421A - - Google Patents

Info

Publication number
BE645421A
BE645421A BE645421DA BE645421A BE 645421 A BE645421 A BE 645421A BE 645421D A BE645421D A BE 645421DA BE 645421 A BE645421 A BE 645421A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE645421A publication Critical patent/BE645421A/xx

Links

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
    • H01J37/21—Means for adjusting the focus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K15/00—Electron-beam welding or cutting
    • B23K15/0013—Positioning or observing workpieces, e.g. with respect to the impact; Aligning, aiming or focusing electronbeams
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B17/00—Details of cameras or camera bodies; Accessories therefor
    • G03B17/02—Bodies
    • G03B17/12—Bodies with means for supporting objectives, supplementary lenses, filters, masks, or turrets
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/099—Arrangement of photoelectric elements in or on the camera
    • G03B7/0993—Arrangement of photoelectric elements in or on the camera in the camera

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Welding Or Cutting Using Electron Beams (AREA)
  • General Induction Heating (AREA)
BE645421D 1963-03-23 1964-03-19 BE645421A (en&quot)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEZ10000A DE1225775B (de) 1963-03-23 1963-03-23 Verfahren und Einrichtung zur Bearbeitung eines Werkstueckes mittels eines Ladungstraegerstrahles

Publications (1)

Publication Number Publication Date
BE645421A true BE645421A (en&quot) 1964-07-16

Family

ID=7621153

Family Applications (1)

Application Number Title Priority Date Filing Date
BE645421D BE645421A (en&quot) 1963-03-23 1964-03-19

Country Status (8)

Country Link
US (1) US3283120A (en&quot)
BE (1) BE645421A (en&quot)
CH (1) CH419370A (en&quot)
DE (1) DE1225775B (en&quot)
FR (1) FR1388356A (en&quot)
GB (1) GB1044056A (en&quot)
NL (1) NL6403042A (en&quot)
NO (1) NO119619B (en&quot)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1299498B (de) * 1964-07-24 1969-07-17 Steigerwald Strahltech Vorrichtung zur UEberwachung des Strahlauftreffbereichs in Korpuskularstrahl-Bearbeitungsgeraeten
US3371185A (en) * 1964-10-05 1968-02-27 United Aircraft Corp Electron beam maintenance device
DE1565073A1 (de) * 1965-06-11 1970-01-22 Siemens Ag Schweissverfahren,insbesondere fuer Rundnaehte an Endkappen von Kernreaktor-Brennstabhuellrohren
US3471703A (en) * 1965-08-28 1969-10-07 Ferranti Ltd Photoelectric control means for the deflection of the electron beam in welding apparatus
US3465119A (en) * 1967-06-21 1969-09-02 United Aircraft Corp Multiaxis optical viewing system of a movable electron beam in a vacuum chamber
US3535488A (en) * 1967-07-13 1970-10-20 Rohr Corp Tracer beam method of proofing electron beam weld path
AT299627B (de) * 1968-01-20 1972-06-26 Goetzewerke Verfahren zur Herstellung von Kolbenringen
US3761676A (en) * 1971-05-20 1973-09-25 Farland G Mc Portable electron beam welding apparatus
JPS529971B2 (en&quot) * 1973-07-02 1977-03-19
DE2555493A1 (de) * 1974-12-19 1976-06-24 Gen Electric Opto-elektronisches geraet zur erfassung der lage und verfahren
JPS5330865A (en) * 1976-09-03 1978-03-23 Hitachi Ltd Electron microscope provided with sample irradiating electron beam quantity measuring unit
US4210806A (en) * 1979-01-18 1980-07-01 International Business Machines Corporation High brightness electron probe beam and method
JPS55165628A (en) * 1979-06-12 1980-12-24 Fujitsu Ltd Apparatus for electron-beam irradiation
US4633611A (en) * 1984-12-31 1987-01-06 Bakish Materials Corporation Process and apparatus for disinfecting seeds
US5185530A (en) * 1990-11-05 1993-02-09 Jeol Ltd. Electron beam instrument
US6745717B2 (en) * 2000-06-22 2004-06-08 Arizona Board Of Regents Method and apparatus for preparing nitride semiconductor surfaces

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2304814A (en) * 1941-03-20 1942-12-15 Charles J Glasser Optical testing device and method of testing
US2472951A (en) * 1946-09-10 1949-06-14 Air Reduction Method and apparatus for controlling torch spacing
DE1100835B (de) * 1952-03-01 1961-03-02 Zeiss Carl Fa Einrichtung zum Fraesen von Profilen, zum Schneiden von Schablonen oder zum Bohren von Duesenkanaelen mittels eines Ladungstraegerstrahles
US2945132A (en) * 1957-03-18 1960-07-12 Zeiss Jena Veb Carl Measuring apparatus having optical and photoelectric means
US3037423A (en) * 1957-12-30 1962-06-05 Polaroid Corp Automatic focusing system
NL248568A (en&quot) * 1959-02-20
US3158733A (en) * 1962-09-12 1964-11-24 Nat Res Corp Focus control for electron beam heating

Also Published As

Publication number Publication date
FR1388356A (fr) 1965-02-05
US3283120A (en) 1966-11-01
CH419370A (fr) 1966-08-31
GB1044056A (en) 1966-09-28
DE1225775B (de) 1966-09-29
NO119619B (en&quot) 1970-06-08
NL6403042A (en&quot) 1964-09-24

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