DE1025234B - Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces - Google Patents

Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces

Info

Publication number
DE1025234B
DE1025234B DED20312A DED0020312A DE1025234B DE 1025234 B DE1025234 B DE 1025234B DE D20312 A DED20312 A DE D20312A DE D0020312 A DED0020312 A DE D0020312A DE 1025234 B DE1025234 B DE 1025234B
Authority
DE
Germany
Prior art keywords
discharges
glow discharge
known per
further development
resistor
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.)
Pending
Application number
DED20312A
Other languages
German (de)
Inventor
Dipl-Phys Karl Brotzmann
Dr Phil Dr-Ing Fritz Harders
Dr-Ing Helmut Knueppel
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.)
Dortmund Hoerder Huettenunion AG
Original Assignee
Dortmund Hoerder Huettenunion 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.)
Filing date
Publication date
Priority to BE539040D priority Critical patent/BE539040A/xx
Application filed by Dortmund Hoerder Huettenunion AG filed Critical Dortmund Hoerder Huettenunion AG
Priority to DED20312A priority patent/DE1025234B/en
Priority to DED18019A priority patent/DE1021679B/en
Priority to GB14969/55A priority patent/GB806637A/en
Priority to CH337050D priority patent/CH337050A/en
Priority to US515426A priority patent/US2853655A/en
Priority to CH345296D priority patent/CH345296A/en
Publication of DE1025234B publication Critical patent/DE1025234B/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
    • C22B4/00—Electrothermal treatment of ores or metallurgical products for obtaining metals or alloys
    • 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
    • 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
    • H01J37/32018—Glow discharge

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Analytical Chemistry (AREA)
  • Plasma & Fusion (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Geology (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Heating (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Description

DEUTSCHESGERMAN

Gegenstand der Hauptpatentanmeldung ist die Anwendung einer an sich bekannten Schaltanordnung, bei der den Hauptelektroden eines Glimmentladungsgefäßes ein Kondensator ständig galvanisch parallel geschaltet ist, der seinerseits über einen Widerstand an einer Gleichstromquelle liegt, zur Löschung einer durch Umschlag einer stromstarken Glimmentladung entstandenen Bogenentladung und Wiederzündung der Glimmentladung in Entladungsgefäßen, insbesondere zur Oberflächenbehandlung von Werkstücken. Diese Maßnahme macht es möglich, Glimmentladungen, wie sie insbesondere zur Behandlung der Oberflächen metallischer Körper verwendet werden, mit starken Strömen in Größenordnungen von 100 Ampere zu betreiben.The subject of the main patent application is the application a circuit arrangement known per se in which a capacitor is constantly galvanically parallel to the main electrodes of a glow discharge vessel is connected, which in turn is connected to a direct current source via a resistor, to erase a arc discharge caused by the reversal of a high-current glow discharge and reignition the glow discharge in discharge vessels, especially for the surface treatment of workpieces. This measure makes it possible to prevent corona discharges, such as those used in particular to treat the Surfaces of metallic bodies are used, with strong currents of the order of magnitude 100 amps to operate.

Um die Energieverluste niedriger zu halten, ist man bestrebt, den zwischen dem Kondensator und der Stromquelle liegenden Widerstand möglichst klein zu machen. Dem ist aber eine Grenze dadurch gesetzt, daß die Zeitkonstante des den Widerstand und den Kondensator enthaltenden Kreises der Schaltung einen gewissen, aus der Erfahrung sich ergebenden Mindestwert nicht unterschreiten soll, damit die Wiederzündung der Glimmentladung nach Löschung des Bogens einwandfrei zustande kommt.In order to keep the energy losses lower, efforts are made to reduce the amount between the capacitor and to make the resistance lying near the power source as small as possible. But there is a limit to this set that the time constant of the circuit of the circuit containing the resistor and the capacitor should not fall below a certain minimum value resulting from experience so that the re-ignition of the glow discharge comes about perfectly after the arc has been extinguished.

Diese Einschränkung kann gemäß der Erfindung dadurch beseitigt werden, daß in Reihe zum Begrenzungswiderstand eine Drossel geschaltet wird. Maßgebend für die Vorgänge bei der Wiederzündung der Glimmentladung ist dann die aus Drossel und Widerstand bestehende Gesamtimpedanz. Da ein erheblicher Teil davon auf die Drossel entfällt, kann der Widerstand kleiner gemacht werden als bei der in der Hauptpatentanmeldung angegebenen Schaltung. Die Drossel ist ferner zu dem Begrenzungswiderstand bestehende Gesamtimpedanz. Da ein erhebstimmt, daß das erste Spannungsmaximum des gedämpften Schwingungskreises, den die Schaltung darstellt, so hoch liegt, daß die Glimmentladung ohne besondere Zündvorrichtung wieder in Gang gesetzt wird.This limitation can be eliminated according to the invention by being in series with the limiting resistor a throttle is switched. Relevant for the reignition of the Glow discharge is then the total impedance consisting of the choke and resistor. Because a significant one Part of it is attributable to the throttle, the resistance can be made smaller than that of the in the circuit specified in the main patent application. The choke is also to the limiting resistor existing total impedance. Since one ascertains that the first voltage maximum of the damped Oscillating circuit represented by the circuit is so high that the glow discharge without special ignition device is restarted.

Die Erfindung sei an Hand des in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. Mit der in der Hauptpatentanmeldung angegebenen Schaltung stimmt die gezeichnete Schaltung in bezug auf das Entladungsgefäß G, den Kondensator C, die Zündvorrichtung Z, die Widerstände ^1 und R2 und die regelbare Spannungsquelle S überein. Darüber hinaus ist mit dem Widerstand R1 eine Drossel L in Reihe geschaltet. Die Zündvorrichtung Z, mittels deren die Glimmentladung nach dem Löschen des Bogens wiederhergestellt wird, kann, wie oben erwähnt, bei geeigneter Dimensionierung von R, L und C auch weggelassen werden. Der Widerstand R2 Weiterbildung einer an sich bekanntenThe invention will be explained in more detail with reference to the embodiment shown in the drawing. The circuit shown in relation to the discharge vessel G, the capacitor C, the ignition device Z, the resistors ^ 1 and R 2 and the controllable voltage source S corresponds to the circuit specified in the main patent application. In addition, a choke L is connected in series with the resistor R 1. The ignition device Z, by means of which the glow discharge is restored after the arc has been extinguished, can, as mentioned above, also be omitted if R, L and C are suitably dimensioned. The resistor R 2 is a further development of one known per se

Schaltanordnung zur Löschung von durch Umschlag stromstarker Glimmentladungen entstandenen BogenentladungenSwitching arrangement for extinguishing glow discharges with high currents caused by reversal resulting arc discharges

in Entladungsgefäßen,in discharge vessels,

insbesondere zur Oberflächenbehandlungespecially for surface treatment

von Werkstückenof workpieces

Zusatz zur Patentanmeldung D 18019 VIIIc/48 b
(Auslegeschrift 1 021 679)Addition to patent application D 18019 VIIIc / 48 b
(Interpretation document 1 021 679)

Anmelder:Applicant:

Dortmund-Hörder HüttenunionDortmund-Hörder Hüttenunion

Aktiengesellschaft,
Dortmund, Rheinische Str. 173Corporation,
Dortmund, Rheinische Str. 173

Dr. phil. Dr.-Ing. Fritz Härders,Dr. phil. Dr.-Ing. Fritz Härders,

Bürenbruch, Post Ergste über Schwerte/Ruhr,Bürenbruch, Post Ergste via Schwerte / Ruhr,

Dr.-Ing. Helmut Knüppel, Dortmund-Löttringhausen, und Dipl.-Phys. Karl Brotzmann, Dortmund,Dr.-Ing. Helmut Knüppel, Dortmund-Löttringhausen, and Dipl.-Phys. Karl Brotzmann, Dortmund,

sind als Erfinder genannt wordenhave been named as inventors

kann meist sehr klein sein. Für ihn genügt vielfach der Ohmsche Widerstand der Zuleitungen.can usually be very small. The ohmic resistance of the supply lines is often sufficient for him.

Soll beispielsweise eine Glimmentladung mit Ampere betrieben werden, so macht man zweckmäßig R1 = 1 Ohm, C = 100 Mikrofarad. L = 5 Millihenry und R2 = 0,002 Ohm.If, for example, a glow discharge is to be operated with amperes, it is expedient to make R 1 = 1 ohm, C = 100 microfarads. L = 5 millihenries and R 2 = 0.002 ohms.

Claims (2)

Patentansprüche:Patent claims: 1. Weiterbildung einer an sich bekannten Schaltanordnung, bei der den Hauptelektroden eines Glimmentladungsgefäßes ein Kondensator ständig galvanisch parallel geschaltet ist, der seinerseits über einen Widerstand an einer Gleichstromquelle Hegt, zur Löschung einer durch Umschlag einer stromstarken Glimmentladung entstandenen Bogenentladung und Wiederzündung der Glimmentladung, nach Patentanmeldung D18019 VIII c/48b, gekennzeichnet durch eine mit dem Widerstand (.R1) in Reihe liegende Drossel (L).1. Further development of a circuit arrangement known per se, in which a capacitor is constantly connected galvanically in parallel with the main electrodes of a glow discharge vessel, which in turn hangs on a direct current source via a resistor to extinguish an arc discharge caused by reversing a high-current glow discharge and re-ignition of the glow discharge, according to the patent application D18019 VIII c / 48b, characterized by a throttle (L) in series with the resistor (.R 1). 709 907/224709 907/224 2. Schaltanordnung nach Anspruch 1, dadurch gekennzeichnet, daß die Drossel (L), der Widerstand (R-j) und der Kondensator (C) so zueinander abgestimmt sind, daß das erste Spannungsmaximum des von ihnen gebildeten gedämpften Schwingungskreises so hoch liegt, daß die Glimmentladung auch ohne Zündvorrichtung (Z) selbsttätig wieder in Gang gesetzt wird.2. Switching arrangement according to claim 1, characterized in that the choke (L), the resistor (Rj) and the capacitor (C) are matched to one another so that the first voltage maximum of the damped oscillating circuit formed by them is so high that the glow discharge is automatically restarted even without the ignition device (Z). In Betracht gezogene Druckschriften: Deutsche Patentschriften Nr. 493 890, 506 861, 509, 739 974, 743 402, 753 296, 857 817, 911 873.Considered publications: German patent specifications No. 493 890, 506 861, 509, 739 974, 743 402, 753 296, 857 817, 911 873. Hierzu 1 Blatt Zeichnungen1 sheet of drawings
DED20312A 1954-11-16 1955-04-25 Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces Pending DE1025234B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
BE539040D BE539040A (en) 1955-04-25
DED20312A DE1025234B (en) 1955-04-25 1955-04-25 Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces
DED18019A DE1021679B (en) 1955-04-25 1955-04-25 The use of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels that have arisen due to the reversal of high-current glow discharges, in particular for the surface treatment of workpieces
GB14969/55A GB806637A (en) 1955-04-25 1955-05-24 Improvements relating to apparatus for surface treating metal bodies in the presenceof a glow discharge
CH337050D CH337050A (en) 1955-04-25 1955-06-06 Circuit for operating a high-current glow discharge in a gas discharge vessel for treating objects
US515426A US2853655A (en) 1955-04-25 1955-06-14 Glow discharge circuits
CH345296D CH345296A (en) 1954-11-16 1955-11-11 Car chatter

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DED20312A DE1025234B (en) 1955-04-25 1955-04-25 Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces
DED18019A DE1021679B (en) 1955-04-25 1955-04-25 The use of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels that have arisen due to the reversal of high-current glow discharges, in particular for the surface treatment of workpieces

Publications (1)

Publication Number Publication Date
DE1025234B true DE1025234B (en) 1958-02-27

Family

ID=25970696

Family Applications (2)

Application Number Title Priority Date Filing Date
DED18019A Pending DE1021679B (en) 1954-11-16 1955-04-25 The use of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels that have arisen due to the reversal of high-current glow discharges, in particular for the surface treatment of workpieces
DED20312A Pending DE1025234B (en) 1954-11-16 1955-04-25 Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DED18019A Pending DE1021679B (en) 1954-11-16 1955-04-25 The use of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels that have arisen due to the reversal of high-current glow discharges, in particular for the surface treatment of workpieces

Country Status (5)

Country Link
US (1) US2853655A (en)
BE (1) BE539040A (en)
CH (1) CH337050A (en)
DE (2) DE1021679B (en)
GB (1) GB806637A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379615A1 (en) * 1977-02-08 1978-09-01 Vide & Traitement Sa THERMOCHEMICAL TREATMENT PROCESS OF METALS
EP0544107A1 (en) * 1991-11-26 1993-06-02 Leybold Aktiengesellschaft Method and apparatus for coating a substrate, in particular for electrical insulating layers
EP0546293A1 (en) * 1991-11-26 1993-06-16 Leybold Aktiengesellschaft Apparatus for coating a substrate, in particular for electrical insulating layers
US5415757A (en) * 1991-11-26 1995-05-16 Leybold Aktiengesellschaft Apparatus for coating a substrate with electrically nonconductive coatings

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3114893A (en) * 1958-03-19 1963-12-17 Ciaude Paz Et Visseaux Device for marking with light a high voltage overhead line
US3348096A (en) * 1964-08-25 1967-10-17 James B Wright Variable pulse energy discriminator
DE2918426A1 (en) * 1979-05-08 1980-11-20 Leybold Heraeus Gmbh & Co Kg HIGH VOLTAGE SUPPLY DEVICE FOR POWER ELECTRON BEAMS

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE493890C (en) * 1925-04-17 1930-03-15 Hermann Heinrich Geffcken Dr Circuit for discharge relay with breaker in the discharge circuit
DE506861C (en) * 1925-01-25 1930-09-10 Rudolf Hans Richter Dr Relay circuit with three-electrode glow tube
DE625509C (en) * 1935-03-01 1936-02-10 Patra Patent Treuhand Operating equipment for AC-powered fluorescent tubes with auxiliary electrodes and with capacitance and self-induction connected in series
DE739974C (en) * 1940-09-21 1943-10-08 Bernhard Berghaus Vacuum furnace heated by glow discharge, especially annealing and melting furnace
DE743402C (en) * 1937-08-27 1943-12-24 Bernhard Berghaus Method and device for the production of sintered bodies
DE857817C (en) * 1950-10-18 1952-12-01 Wilhelm Dr-Ing Schneider Arrangement for generating pulse-shaped magnetic fields
DE753296C (en) * 1935-08-27 1953-02-23 Stabilovolt G M B H Gas discharge tubes with one or more than one useful discharge section to keep voltages constant
DE911873C (en) * 1950-08-18 1954-05-20 Berghaus Elektrophysik Anst Method and device for carrying out technical processes by means of gas, preferably glow discharges

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE527045C (en) * 1925-01-25 1931-06-13 Hans Richter Dr Relay circuit
DE565125C (en) * 1928-06-07 1932-11-26 Stabilovolt Nv Circuit for drawing different voltages for the anode circuits of electron tubes from a common power source
DE600128C (en) * 1928-10-12 1934-07-14 Stabilovolt G M B H Device for keeping voltages constant
DE624093C (en) * 1929-07-12 1936-01-11 Bbc Brown Boveri & Cie Method for extinguishing the arc of a multi-anode mercury vapor rectifier
DE601317C (en) * 1929-08-21 1934-08-15 Stabilovolt G M B H Arrangement for voltage dividers formed from gas discharge paths
DE601847C (en) * 1933-04-01 1934-08-25 Siemens Schuckertwerke Akt Ges Method for introducing a substance into a metal
CH194859A (en) * 1936-04-23 1937-12-31 Schumann Winfried Otto Dr Prof Device for extinguishing an electric arc in a discharge vessel.
FR841904A (en) * 1937-08-26 1939-06-01 Method for metallizing or coating articles with a thermally vaporized material
GB522356A (en) * 1937-12-24 1940-06-17 Bernhard Berghaus Gas inlet and outlet for cathode disintegration apparatus and other like vacuum apparatus
NL52790C (en) * 1938-04-23
US2457256A (en) * 1939-12-29 1948-12-28 Carborundum Co Apparatus for manufacture of coated webs
US2391611A (en) * 1944-06-27 1945-12-25 Gastro Photor Lab Corp Illuminating arrangement
GB618256A (en) * 1945-06-01 1949-02-18 Karl Frederick Kirchner Improvements in or relating to a circuit for a gaseous electric discharge device and a method for operating the same
US2553944A (en) * 1946-08-31 1951-05-22 Socony Vacuum Oil Co Inc Electrochemical conversion of hydrocarbons
US2550089A (en) * 1946-08-31 1951-04-24 Socony Vacuum Oil Co Inc Electrochemical conversion of hydrocarbons
US2467953A (en) * 1946-09-19 1949-04-19 Distillation Products Inc Use of glow discharge in vacuum coating processes
US2728877A (en) * 1951-06-19 1955-12-27 Heinz F Fischer Apparatus for obtaining extremely high temperatures

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE506861C (en) * 1925-01-25 1930-09-10 Rudolf Hans Richter Dr Relay circuit with three-electrode glow tube
DE493890C (en) * 1925-04-17 1930-03-15 Hermann Heinrich Geffcken Dr Circuit for discharge relay with breaker in the discharge circuit
DE625509C (en) * 1935-03-01 1936-02-10 Patra Patent Treuhand Operating equipment for AC-powered fluorescent tubes with auxiliary electrodes and with capacitance and self-induction connected in series
DE753296C (en) * 1935-08-27 1953-02-23 Stabilovolt G M B H Gas discharge tubes with one or more than one useful discharge section to keep voltages constant
DE743402C (en) * 1937-08-27 1943-12-24 Bernhard Berghaus Method and device for the production of sintered bodies
DE739974C (en) * 1940-09-21 1943-10-08 Bernhard Berghaus Vacuum furnace heated by glow discharge, especially annealing and melting furnace
DE911873C (en) * 1950-08-18 1954-05-20 Berghaus Elektrophysik Anst Method and device for carrying out technical processes by means of gas, preferably glow discharges
DE857817C (en) * 1950-10-18 1952-12-01 Wilhelm Dr-Ing Schneider Arrangement for generating pulse-shaped magnetic fields

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2379615A1 (en) * 1977-02-08 1978-09-01 Vide & Traitement Sa THERMOCHEMICAL TREATMENT PROCESS OF METALS
EP0544107A1 (en) * 1991-11-26 1993-06-02 Leybold Aktiengesellschaft Method and apparatus for coating a substrate, in particular for electrical insulating layers
EP0546293A1 (en) * 1991-11-26 1993-06-16 Leybold Aktiengesellschaft Apparatus for coating a substrate, in particular for electrical insulating layers
US5415757A (en) * 1991-11-26 1995-05-16 Leybold Aktiengesellschaft Apparatus for coating a substrate with electrically nonconductive coatings

Also Published As

Publication number Publication date
CH337050A (en) 1959-03-15
DE1021679B (en) 1957-12-27
BE539040A (en)
GB806637A (en) 1958-12-31
US2853655A (en) 1958-09-23

Similar Documents

Publication Publication Date Title
DE2951708A1 (en) METHOD AND DEVICE FOR AUTOMATICALLY CONTROLLING PARTIAL CURRENTS OF A RECTIFIER
DE1025234B (en) Further development of a circuit arrangement known per se for extinguishing arc discharges in discharge vessels caused by the reversal of high-current glow discharges, treatment of workpieces
DE1100206B (en) Arrangement for shielding gas arc spot welding with auxiliary electrode
CH389797A (en) Device to avoid sudden changes in the state of discharge for discharge vessels operated with high-current glow discharges
DE1538609C3 (en) Transistorized circuit arrangement for the automatic testing of printed cable runs
DE1521873A1 (en) Method and device for the protection of metallic objects in contact with an electrolyte against corrosion
DE1165612B (en) Switching device for low water protection or water level control in boiler drums with control electrodes
DE1068972B (en) Device for operating high-current glow discharges in discharge vessels, in particular for treating bodies introduced into the discharge vessel
DE706565C (en) Control of electrical discharge devices
DE949424C (en) Circuit arrangement for the control circuits of discharge vessels with internal lighters
DE717217C (en) Device for switching electrical circuits on and off, especially for systems for resistance welding, in which the time of current delivery is determined by the charging time of a capacitor
AT221673B (en) Voltage generator for electrolytic erosion processes
DE1270089B (en) Protection device for the high-voltage supply circuit of a television receiver
DE462603C (en) Method for carrying out switching processes in which an arc that is created between two main electrodes is used as the movable switching element
DE1164479B (en) Electronic DC voltage switch with a semiconductor current gate
DE1117755B (en) Ignition and operating circuit for high pressure gas discharge lamps
DE945109C (en) Switching arrangement for gas or vapor discharge vessels with initial ignition
DE684123C (en) Protection device for grid-controlled converters, especially mercury vapor rectifiers
DE631271C (en) Circuit arrangement for initiating switching processes in telephone systems
DE362644C (en) Switching method for suppressing unwanted vibrations in cathode generators
DE561286C (en) Device for extinguishing the arc in metal vapor valves by means of capacitors
DE1440662A1 (en) Device for avoiding irregular changes in the state of discharge for discharge vessels operated with high-current glow discharges
DE2103189A1 (en) Circuit arrangement for igniting and monitoring a flame
DE1187726B (en) Arrangement for the protection of an ionic high vacuum pump arrangement working with cathode atomization
DE644774C (en) Circuit for the compensation of fluctuations in the mean anode direct current