GB929831A - Improvements in or relating to apparatus for controlling electrical discharges - Google Patents

Improvements in or relating to apparatus for controlling electrical discharges

Info

Publication number
GB929831A
GB929831A GB33608/59A GB3360859A GB929831A GB 929831 A GB929831 A GB 929831A GB 33608/59 A GB33608/59 A GB 33608/59A GB 3360859 A GB3360859 A GB 3360859A GB 929831 A GB929831 A GB 929831A
Authority
GB
United Kingdom
Prior art keywords
cathode
current
anode
voltage
constant
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
GB33608/59A
Other languages
English (en)
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.)
Stauffer Chemical Co
Original Assignee
Stauffer Chemical Co
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 Stauffer Chemical Co filed Critical Stauffer Chemical Co
Publication of GB929831A publication Critical patent/GB929831A/en
Expired legal-status Critical Current

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
    • H01J37/32—Gas-filled discharge tubes
    • H01J37/32009—Arrangements for generation of plasma specially adapted for examination or treatment of objects, e.g. plasma sources
    • H01J37/32422—Arrangement for selecting ions or species in the plasma
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10—Regulating voltage or current
    • G05F1/12—Regulating voltage or current wherein the variable actually regulated by the final control device is ac
    • G05F1/32—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation as final control devices
    • G05F1/34—Regulating voltage or current wherein the variable actually regulated by the final control device is ac using magnetic devices having a controllable degree of saturation as final control devices combined with discharge tubes or semiconductor devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J1/00—Details of electrodes, of magnetic control means, of screens, or of the mounting or spacing thereof, common to two or more basic types of discharge tubes or lamps
    • H01J1/02—Main electrodes
    • H01J1/13—Solid thermionic cathodes
    • H01J1/135—Circuit arrangements therefor, e.g. for temperature control
    • 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
    • H01J37/24—Circuit arrangements not adapted to a particular application of the tube and not otherwise provided for
    • H01J37/241—High voltage power supply or regulation circuits
    • 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
    • H01J37/32—Gas-filled discharge tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Discharge Heating (AREA)
  • Plasma Technology (AREA)
  • Furnace Details (AREA)
GB33608/59A 1958-10-27 1959-10-05 Improvements in or relating to apparatus for controlling electrical discharges Expired GB929831A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US769927A US3078388A (en) 1958-10-27 1958-10-27 Method and apparatus for controlling electrical discharges

Publications (1)

Publication Number Publication Date
GB929831A true GB929831A (en) 1963-06-26

Family

ID=25086928

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33608/59A Expired GB929831A (en) 1958-10-27 1959-10-05 Improvements in or relating to apparatus for controlling electrical discharges

Country Status (7)

Country Link
US (1) US3078388A (de)
CH (1) CH386020A (de)
DE (1) DE1208428B (de)
FR (1) FR1239527A (de)
GB (1) GB929831A (de)
LU (1) LU37811A1 (de)
NL (1) NL244036A (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3442252A (en) * 1965-07-22 1969-05-06 Varian Associates High voltage d.c. converter cathode supply circuit having means for controlling the voltage to the cathode
US3429501A (en) * 1965-08-30 1969-02-25 Bendix Corp Ion pump
US3346769A (en) * 1965-10-07 1967-10-10 Nat Res Corp Orbiting vacuum pump power supply with a filament current regulator
US3413517A (en) * 1967-01-13 1968-11-26 Ibm Filament current control by a superposed dithering voltage
US4267487A (en) * 1980-04-02 1981-05-12 Rca Corporation Regulated filament supply for high-power tubes
US6476340B1 (en) 1999-04-14 2002-11-05 The Boc Group, Inc. Electron beam gun with grounded shield to prevent arc-down and gas bleed to protect the filament

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159767A (en) * 1935-08-19 1939-05-23 Telefunken Gmbh Electron discharge device
US2310286A (en) * 1941-06-25 1943-02-09 Rca Corp Voltage regulating system
US2408091A (en) * 1944-05-19 1946-09-24 Cons Eng Corp Electrical regulating system
US2554902A (en) * 1948-03-25 1951-05-29 Nat Res Corp Thermionic discharge device control
US2792500A (en) * 1954-02-26 1957-05-14 Phillips Petroleum Co Ion source
US2850676A (en) * 1954-11-05 1958-09-02 Hewlett Packard Co Regulated filament supply

Also Published As

Publication number Publication date
CH386020A (de) 1964-12-31
DE1208428B (de) 1966-01-05
FR1239527A (fr) 1960-08-26
LU37811A1 (de)
NL244036A (de)
US3078388A (en) 1963-02-19

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