sh series of hollow cathode power supply

  • Features and Operation of Hollow Cathode Lamps and ...

    Nov 01, 2010· Hollow Cathode Lamp Operation There are two parameters of major importance which affect the analytical results. These are: 1. The hollow cathode lamp current, which affects the intensity of the source, and 2. The spectral band width (or slit width) of .

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  • Electrodeless Discharge Lamps | PerkinElmer

    Electrodeless Discharge Lamps (EDLs) are designed to be physically interchangeable with Lumina Hollow Cathode Lamps and their power supplies are built into all PinAAcle series of atomic absorption spectrometers. PerkinElmer System 2 EDLs consist of the element, or a salt of the element, sealed in a quartz bulb containing an inert gas atmosphere.

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  • Characterization of a hollow cathode styled plasma reactor ...

    rates. The best understood hollow cathode configuration is the wire anode discharge [14], also commonly referred to as saddle field discharge [15]. In this configuration a cylindrical tube is held at cathode potential while a thin wire at anode potential is positioned along the centerline of the tube. When

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  • Power Electronics Systems in Satellites - ScienceDirect

    Jan 01, 2018· Fig. 25.12 shows the hollow cathode applied in a stationary plasma thruster and its power supplies in PPU of EP. The hollow cathode consists of flange, cathode tube, heater, emitter, radiation heat shield, and cathode keeper; and traditionally, in most PPU, there are often three independent supplies for the hollow cathode, that is, the heater ...

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  • Ion source power supplies - Ionbeam Scientific

    Ion source power supplies. Our range of KDC Gridded and EH Gridless Ion Sources are supplied as a complete package including power supplies. However, many customers are wishing to upgrade their older units. To cater for this, we offer direct replacements for Kaufman Gridded, End-Hall Gridless and Hollow Cathode Neutraliser (HCES) controllers.

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  • Investigation of Heaterless Hollow Cathode Breakdown

    Glassman series FC high voltage power supply was equipped that could produce up to 1.5kV, 80mA, to the keeper. A schematic of the propellant and electrical arrangement can be seen in Figure 2, for this study the Anode was not used as the breakdown investigated was between the cathode-keeper electrodes. III. Heaterless Hollow Cathode Design

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  • Hollow Cathode and Deuterium Lamps | For Agilent (Varian ...

    Analytical West Offers Genuine Photron Deuterium Arc Lamps and Hollow Cathode in Both Data Coded and Non-Coded Types. DISCLAIMER: Analytical West is not affiliated in any way with Agilent Technologies. Any claims of compatibility are the sole claim of Analytical West and our manufacturers, and have not been reviewed, approved, or endorsed by Agilent Technologies.

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  • Investigation of Heaterless Hollow Cathode Breakdown

    Glassman series FC high voltage power supply was equipped that could produce up to 1.5kV, 80mA, to the keeper. A schematic of the propellant and electrical arrangement can be seen in Figure 2, for this study the Anode was not used as the breakdown investigated was between the cathode-keeper electrodes. III. Heaterless Hollow Cathode Design

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  • RF power supply_Vacuum Coating Machine_PVD Coating ...

    RF TruPlasma 7000 high frequency power supply series is applied to the plasma excitation of high quality RF power supply, product power 10 kW kW~50, frequency 13.56 MHz. Corresponding to the various matching box, according to the specific purpose and power size and different.

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  • Hollow cathode lamp - Heraeus

    Special power supplies for hollow cathode lamps Heraeus manufactures power supplies for various specialty lamps such as mercury, hollow-cathode and PID lamps. As the electric properties of the power supply have a significant influence on the operation of the lamps, power supplies are adapted to the specific requirements of each lamp to always achieve the best possible performance.

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  • Characterization of a hollow cathode styled plasma reactor ...

    rates. The best understood hollow cathode configuration is the wire anode discharge [14], also commonly referred to as saddle field discharge [15]. In this configuration a cylindrical tube is held at cathode potential while a thin wire at anode potential is positioned along the centerline of the tube. When

    Get price
  • Arsenic (As) System 2 Electrodeless Discharge Lamp ...

    Electrodeless Discharge Lamps (EDLs) are designed to be physically interchangeable with Intensitron Hollow Cathode Lamps. Their power supplies are built into all the PinAAcle ™ series of atomic absorption spectrometers. Use of EDLs with those instruments requires only the purchase of an EDL driver assembly for each of the lamp positions to be ...

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  • Development of Removable Hollow Cathode Discharge ...

    A hollow cathode discharge cell has been developed for a variety of sample phases. To make the experimental apparatus compact, we have adopted DC discharge, and the discharge cell was inexpensively constructed for replacement with commercially available vacuum parts. The most distinctive attribute of the developed cell is the double structure of the cathodes.

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  • Optogalvanic spectroscopy applied to the study of hollow ...

    The power supply allows ... Series 8 1 0 (201 7) 0120 15 doi:10 ... spectroscopy has been applied to measure the strong electric field strength and the cathode fall characteristics of hollow ...

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  • "Magnetically enhanced hollow cathode—a new plasma source ...

    Nov 20, 2009· In this way stable discharges at voltages above 100 V could be maintained for several hours. Even the ignition of hollow cathode arc discharge—usually a time‐consuming and unreliable procedure based on pre‐heating of the cathode tube by a tungsten heater spiral—can be done with this type of power supply easily at the push of a button.

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  • High Power Pulsed Hollow Cathode for Nanoparticle Synthesis

    power impulse magnetron sputtering [7], to achieve a high plasma density. To further enhance the plasma density and to keep the plasma focused, we use a hollow cathode. In this study, we have used a copper hollow cathode to synthesize copper NPs, and studied the effect of pulse power and pulse frequency on the size of the NPs.

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  • 폴텍㈜에 오신 것을 환영합니다. - paultec.kr

    Meaglow has developed a range of wider area plasma source like 12″ diameter plasma sources for ALD and PECVD applications. These sources have been used to replace existing plasma sources, but also for new systems. They feature: l 300 to 3000 Watt RF or DC operation. l 316 Stainless steel cathode construction (titanium and inconel have also been used, other materials on request).

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  • Mark III Retrofit - BeamTec

    →Information about MARK II Retrofit. BeamTec presents a modern retrofit package for Veeco's MARK II and MARK III HO end-Hall ion source power supply with hollow cathode neutralizer. The package comprises of the new modular Kaufman & Robinson power supply system including a discharge, bias, keeper and gas controller with built-in process sequencer and an integrated 37pin MARK III compatible ...

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  • A Comparison of Boosted-Discharge Hollow Cathode Lamps .

    The hollow cathode lamps had a source area of 7.07 mm2 (circle of diameter 3 m). A primary current power supply (Varian-Techtron, Australia, Type MLS IA) was used to provide primary current to the lamps. A boosted lamp power supply (Photron P8000, Photron (PTY) Ltd., Melbourne, Australia,

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  • Chapter 6 cathodes 022208 - NASA

    Fig. 6-1. Typical hollow cathode geometry of a refractory metal tube with an emissive insert inside and a heater wrapped on the outside. Fig. 6-2. The three plasma regions in a hollow cathode. the orifice plate. This insert is the active electron emitter, and it can be made of several different materials that provide a low work function surface ...

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  • Langmuir Probe Measurements in the Hollow Cathode .

    Hollow cathode plasma jet systems are widely used e.g. for thin film deposition, plasma chemistry and similar. Hollow cathode is crucial part of this system and works also as a nozzle for flowing gas. Hollow cathode plasma jet system used for thin film depositions under various conditions is described e.g. in following articles [Tous et al., 2002

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  • The performance of boosted output hollow cathode lamps in ...

    Nov 11, 2002· 1. Introduction. Boosted output hollow cathode lamps, originally called 'high-intensity hollow-cathode lamps', were invented by Sullivan and Walsh .They have been further discussed by Sullivan .A secondary electrical discharge is provided in these lamps to excite atoms in the cloud of sputtered material that normally forms in front of the cathode of an operating hollow cathode lamp.

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  • Hollow cathode magnetron

    % was connected in series with the magnetron cathode to limit the current ßow through the system. The power supply was operated in a constant voltage mode. Through adjust-ment of the output voltage, the discharge current was regu-lated. The dimensions of the planar magnetron cathode !also called target in this article ",Fig. 2, were 11.4 cm in ...

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  • Journal of Physics: Conference Series PAPER OPEN ACCESS ...

    mF was installed at the output of the glow discharge power supply. The power supply prevented from microarcs at the surface of the hollow cathode. The discharge current . I. d (t) was measured using a Honeywell CSNJ481 Hall probe with data transmission to a Tektronix TDS2014C oscilloscope. The discharge voltage . U. d (t)

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  • Adapters and Power Supply | Hollow Cathode Lamps | AA ...

    Hollow Cathode Lamps | Adapters and Power Supply. Photron's super lamp power supply can be fitted to the following atomic absorption instruments: Varian, Perkin Elmer, GBC Scientific, Unicam, , Shimadzu and many other manufacturer's instruments. Some instruments require adapters so our power supply can be fitted correctly, please ...

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  • Model of the Electrolyzers Series Power-supply System for ...

    mathematical model of the power supply system of the fluorine production process electrolizers series. The power supply system (PSS) considered in the article is an electric circuit containing a series of electrolyzers connected in consequence. Switching-on and off separate electrolyzers is performed by the operated distantly bypass arrangement.

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  • Open Access proceedings Journal of Physics: Conference series

    In the experiments, an electron source with a grid plasma cathode was used [9, 10]. Schematic of the electrode and discharge power supply circuits is shown in figure 1. In this system, an arc discharge cathode spot is initiated on magnesium cathode 1 by a pulse from the secondary winding of

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  • Broad beam gas ion source with hollow cathode discharge ...

    The schematic diagram of the hollow cathode broad beam ion source is depicted in Fig. 1 . The ion source con-sists of the plasma production and ion beam extraction sys-tems. The plasma is produced by hollow cathode glow discharge using the applied axial magnetic eld. The hol-low cathode is composed of the upper and lower magnetic

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  • Power Supplies — Photron Pty Ltd - Hollow Cathode Lamps ...

    The Photron hollow cathode power supply provides a precision current source to correctly drive Photron hollow cathode lamps at a specific current. ... View full details $1,999.00 Quick shop ... P202 - Adapter Kit, Super Lamp Power Supply - Varian SpectrAA Series AA ...

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  • Investigation of a novel hollow cathode configuration for ...

    Jul 31, 2001· 1. Introduction. The hollow cathode discharge is well known in atomic absorption spectrometry as a stable and sharp line source .In the hollow cathode configuration, sputtering is concentrated in the hollow cathode cavity and electrons are trapped within the cathode body, yielding more efficient plasma processes than in conventional diode electrode geometry.

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  • HOLLOW CATHODE LAMP SUPPLY PRODUCT SELECTION .

    The HC20 is a compact, modular hollow cathode lamp power supply featuring adjustable current. Both the ignition and the drive voltages are supplied and the current is adjustable from 0 to 20 mA via a po-tentiometer or optional remote analog signal. Remote enable/disable control is standard, and 12 or 24 volt inputs are available. Suitable

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