FR1365865A - Dispositif de commande pour machines à faisceau électronique - Google Patents

Dispositif de commande pour machines à faisceau électronique

Info

Publication number
FR1365865A
FR1365865A FR944398A FR944398A FR1365865A FR 1365865 A FR1365865 A FR 1365865A FR 944398 A FR944398 A FR 944398A FR 944398 A FR944398 A FR 944398A FR 1365865 A FR1365865 A FR 1365865A
Authority
FR
France
Prior art keywords
control device
electron beam
beam machines
machines
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
Application number
FR944398A
Other languages
English (en)
Inventor
Joseph Herman Cohen
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.)
RTX Corp
Original Assignee
United Aircraft Corp
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
Priority claimed from US217136A external-priority patent/US3165619A/en
Application filed by United Aircraft Corp filed Critical United Aircraft Corp
Priority to FR944398A priority Critical patent/FR1365865A/fr
Application granted granted Critical
Publication of FR1365865A publication Critical patent/FR1365865A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
    • H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
    • H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
    • H01J29/36—Photoelectric screens; Charge-storage screens
    • H01J29/38—Photoelectric screens; Charge-storage screens not using charge storage, e.g. photo-emissive screen, extended cathode
    • 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
    • B23K15/02—Control circuits therefor
    • 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
    • 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
    • H01J37/30—Electron-beam or ion-beam tubes for localised treatment of objects
    • H01J37/304—Controlling tubes by information coming from the objects or from the beam, e.g. correction signals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
    • H01J40/02—Details
    • H01J40/04—Electrodes
    • H01J40/06—Photo-emissive cathodes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR944398A 1962-08-15 1963-08-10 Dispositif de commande pour machines à faisceau électronique Expired FR1365865A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR944398A FR1365865A (fr) 1962-08-15 1963-08-10 Dispositif de commande pour machines à faisceau électronique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US217136A US3165619A (en) 1962-08-15 1962-08-15 Operating control for electron beam machines
FR944398A FR1365865A (fr) 1962-08-15 1963-08-10 Dispositif de commande pour machines à faisceau électronique

Publications (1)

Publication Number Publication Date
FR1365865A true FR1365865A (fr) 1964-07-03

Family

ID=26202812

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944398A Expired FR1365865A (fr) 1962-08-15 1963-08-10 Dispositif de commande pour machines à faisceau électronique

Country Status (1)

Country Link
FR (1) FR1365865A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2083638A1 (fr) * 1970-03-28 1971-12-17 Steigerwald Strahltech

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2083638A1 (fr) * 1970-03-28 1971-12-17 Steigerwald Strahltech

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