x ray generator plasma processes and polymers


Abatement of perfluorocarbons with combined plasma ...

The advancing contact angles of the plasma-treated ramie fibers are raised from 66.3° to 106.1° and the interfacial shear strengths with PP are enhanced up to 36.4%, likely resulted from the ...

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Hydrophilic Modification of Plastic Surface by Using ...

the treatment was evaluated by X-ray Photoelectron Spectroscopy (XPS). 3. Results of plasma surface treatment process 3.1 Condition of source gases and pressures The plasma state changes depending on the gas and process pressure in the chamber. We investigated different gases and pressure conditions to find the best treatment

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Micro Injection Moulding - Chilab - PoliTO

Micro Injection Moulding. Micro Injection Moulding is a replication technique used to reproduce many plastic copies from a mould insert. Thermoplastics, such as PMMA, PC, PVC, COC, ABS, ..., are common materials used in micro injection. Metal or ceramic powders mixed with …

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X-ray Fluorescence (XRF) - Measurement System - HORIBA

X-ray generator — The Basics. All XRF spectrometers require a source of X-rays, and these are usually provided by an in situ X-ray generator, or, less frequently, by a radioisotope material. A typical X-ray generator passes an electric current through a filament, which causes electrons to be emitted. These electrons are then accelerated by ...

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Aerosol Charging with a Piezoelectric Plasma Generator

A novel piezoelectric plasma generator developed by TDK Electronics & Co. OG, the CeraPlas®, was investigated for its feasibility as a charger for aerosol particles. The CeraPlas® charger was directly compared to a commercially available bipolar X-ray charger regarding its efficiency of charging atomized NaCl particles in a size range from 30 nm to 100 nm.

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Atmospheric Pressure Plasma Surface Treatment of Polymers ...

Atmospheric plasma treatment is an effective and economical surface treatment technique. The main advantage of this technique is that the bulk properties of the material remain unchanged while the surface properties and biocompatibility are enhanced. Polymers are used in many biomedical applications; such as implants, because of their variable bulk properties.

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Adaptive Control for NOx Removal in Non‐Thermal Plasma ...

Plasma Processes and Polymers 4(5):556 - 562; DOI: ... were added to the synthesized flue gas before the nonthermal plasma process, and their effects on NOx removal characteristics were ...

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US8122846B2 - Platforms, apparatuses, systems and methods ...

Devices and methods for manufacturing displays, solar panels and other devices using larger size workpieces are provided. The workpiece is rolled into a cylinder, thereby reducing the physical size by a factor of 3 in one dimension. The stages on which the workpieces are rolled have a cylindrical shape, which allows a more robust and/or compact movement of the glass, reduced machine weight.

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Capabilities of XRF - HORIBA

The two main points to consider are (a) the depth of penetration of the primary X-ray beam into the sample, and (b) the escape depth from which fluorescent X-rays can be detected. Both of these are directly linked to the energy of the X-rays - the higher the X-ray energy the deeper the X-ray penetrates.

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Low-temperature plasma treatment of polylactic acid and ...

May 28, 2019· This plasma generator was modernized, and its operating mode was adapted for treatment of polymers with the "cold" plasma. The generator discharge system (Fig. 1a) consists of the insulator 1, the gas inlet channel 2, the anode 3, and the cathode 4. Anode 3 is made of aluminum, cathode 4 is made of copper, and insulator 1 is made of ...

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Characteristics of polyaniline nanoparticles prepared by ...

Characteristics of polyaniline nanoparticles prepared by electrochemical solution plasma process for flexible devices Eun Young Junga, Choon-Sang Parkb, Jun-Goo Shina, Hyo Jun Janga, Gyu Tae Baea, Bhum Jae Shinc, and Heung-Sik Taea,d aSchool of Electronic and Electrical Engineering, College of IT Engineering, Kyungpook National University, Daegu 41566, South Korea; bDepartment of Electrical ...

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US3274089A - Surface treatment of polymeric shaped ...

US3274089A US318149A US31814963A US3274089A US 3274089 A US3274089 A US 3274089A US 318149 A US318149 A US 318149A US 31814963 A US31814963 A US 31814963A US 3274089 A US3274089 A US 3274089A Authority US United States Prior art keywords film polymeric treatment electrical discharge shaped structures Prior art date Legal status (The legal status is an …

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Polymers | Free Full-Text | Thermoelectric Generator Using ...

Herein, Sb2Se3 and β-Cu2Se nanowires are synthesized via hydrothermal reaction and water evaporation-induced self-assembly methods, respectively. The successful syntheses and morphologies of the Sb2Se3 and β-Cu2Se nanowires are confirmed via X-ray powder diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, field emission scanning electron microscopy …

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BioZone Facilities & Equipment - BioZone | BioZone

These data are then used to determine the structure ie. the x, y, z co-ordinates of every (non-hydrogen) atom in the molecule. 1. Rigaku MICROMAX-007 x-ray generator with Rigaku R-axis 4++ image plate detector 2. Rigaku MICROMAX-007 x-ray generator with Rigaku HTC image plate detector

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Titanium carbide/carbon composite nanofibers prepared by a ...

Titanium carbide/carbon composite nanofibers prepared by a plasma process This article has been downloaded from IOPscience. Please scroll down to see the full text article.

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Model polymer etching and surface modification by a time ...

tion and removal of plasma induced weakly bound species by the exposure of surfaces to ambient air [15], the processing chamber is immediately evacuated and polymer samples are transferred through vacuum to a x-ray photoelectron - spectr oscopy (XPS) system (Vacuum Generators ESCALAB MK II) for surface chemical composition analysis. The treated ...

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Surface Modification of Polymeric Materials by Plasma ...

pressure lower than 2 x 10-5 mbar. The gas flow was set at 15 cm3/min, maintaining the final pressure of 8 x 10-2 mbar. After that, the rf generator was turned on and the plasma treatment was performed at a constant level of rf power for time ranging from 30 sec to 50 min. The permeation measurements were performed in sta-

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X-ray Tube - X-ray Generator Products - Oxford Instruments ...

1500 Series Glass X-ray Tube. Find out more. The 1501 Series X-ray tube is a 50kV, 50-75W X-ray tube designed for applications where high current, high flux density and continuous operation are important.

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Publications › Institute of Particle Technology

Improvement of polymer properties for powder bed fusion by combining in situ PECVD nanoparticle synthesis and dry coating In: Plasma Processes and Polymers (2021) ISSN: 1612-8850 DOI: 10.1002/ppap.202000247; Guckeisen T., Hosseinpour S., Peukert W.: Effect of pH and urea on the proteins secondary structure at the water/air interface and in solution

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Portable Spectroscopy - Richard A. Crocombe, 2018

X-ray fluorescence is a nondestructive process requiring minimal training (radiation safety training is mandatory) and little or no sample preparation, regardless of sample shape or size. Not only is a quantitative elemental analysis given in a few seconds, including trace or "tramp" elements, but also upwards of 400 specific alloys can be ...

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Simulation Study of Utilizing X-ray Tube in Monitoring ...

Radiation-based instruments have been widely used in petrochemical and oil industries to monitor liquid products transported through the same pipeline. Different radioactive gamma-ray emitter sources are typically used as radiation generators in the instruments mentioned above. The idea at the basis of this research is to investigate the use of an X-ray tube rather than a radioisotope source ...

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Electronics Assembly Manufacturing Equipment | Nordson

• Nordson MARCH: Plasma treatment systems for surface preparation in PCB and related electronics manufacturing processes. • Nordson DAGE and Nordson YESTECH: X-ray inspection, bondtesting, and automated optical inspection (AOI) equipment.

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François Brisset personnal page - Paris-Saclay

Study of the Microstructure and Mechanical Properties Obtained by Laser Boost in SLM Process for the Ti-64 Alloy. C. Widomski, D ... S. Mazerat, F. Brisset, J.-M. Herry, P. Roger, European Polymer Journal, 2019, 116, 497-507 Femtosecond ... Inter-laboratory comparison of a WDS–EDS quantitative X-ray microanalysis of a metallic glass. P. ...

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‪Bang-Dou Huang‬ - ‪Google Scholar‬

Plasma Processes and Polymers 16 (8), 1900050 ... Chemical Engineering Journal 396, 125185, 2020. 16: 2020: The dynamics of discharge propagation and x-ray generation in nanosecond pulsed fast ionisation wave in 5 mbar nitrogen. B Huang, C Zhang, J Qiu, X Zhang, Y Ding, T Shao ... A Nanosecond Pulsed Generator With Fast-Solid-State Switch for ...

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Modification of Surface Properties of Polymeric Materials

polymer films with air as plasma gas. A low-density polyethylene (LDPE) film (100 mm thick), obtained from Fisher Scientific, was used for plasma treatment. The polymer film was exposed to plasma in the reactor, as shown in Fig. 1. The reactor is composed of a plasma generator and agrounded aluminum panel as an electrode. The plasma generator ...

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Size-Compatible, Polymer-Based Air-Gap Formation …

the overcoat polymers used for air-gap formation processes previ-ously [6–9]. Recently, BCB was demonstrated as a promising overcoat polymer in air-gap MEMS packaging process, which is chemically compatible with PPC providing good mechanical strength [12]. Various polymer-based air-gap MEMS packaging studies have

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Massachusetts Institute of Technology (MIT) - 4948 ...

Experience University of Colorado September 2014 - Present Massachusetts Institute of Technology (MIT) August 2012 - July 2014 The University of Texas at El Paso August 2009 - July 2012 Skills Simulations, Linux, Data Analysis, Spanish-speaking, Research, Analytical Skills, Physics, Quantum Mechanics, x-ray astronomy, X-ray spectroscopy ...

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US3255099A - Surface treatment of polymeric shaped ...

US3255099A US318774A US31877463A US3255099A US 3255099 A US3255099 A US 3255099A US 318774 A US318774 A US 318774A US 31877463 A US31877463 A US 31877463A US 3255099 A US3255099 A US 3255099A Authority US United States Prior art keywords film treated treatment showed electrodes Prior art date Legal status (The legal status is an assumption and is not a legal …

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Oxygen plasma surface treatment of polymer films ...

A systematic study using a central composite design of experiments (DoE) was performed on the oxygen plasma surface modifications of two different polymers-Pellethane 2363-55DE, which is a polyurethane, and vinyltrimethoxysilane-grafted ethylene-propylene (EPR-g-VTMS), a cross-linked ethylene-propylene rubber. The impacts of four parameters-gas pressure, generator power, treatment duration ...

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Adjacent Gauche Stabilization in Linear Alkanes ...

Jul 30, 2005· High-level ab initio quantum mechanical calculations are used to study various gauche conformational energies of n-pentane to n-decane. The destabilizing "pentane effect" (adjacent gauche states of opposite sign) for alkanes is confirmed, but the energies were found to depend slightly on chain length. In contrast, introducing an adjacent gauche of the same sign requires only 0.22−0.37 ...

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