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  • Diamond thin films technology-chapter2

    Diamond thin films technology-chapter2

    (3) Radio Frequency Plasma CVD (RFCVD)RF can be used to generate plasma by two different methods, the capacitive coupling method and the inductive coupling method.RF plasma CVD uses a frequency of 13.56 MHz.The advantage of RF plasma is that it diffuses over a much larger area than microwave plas...
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  • Diamond thin films technology-chapter 1

    Diamond thin films technology-chapter 1

    Hot filament CVD is the earliest and most popular method of growing diamond at low pressure. 1982 Matsumoto et al. heated a refractory metal filament to over 2000°C, at which temperature the H2 gas passing through the filament readily produces hydrogen atoms. The production of atomic hydrogen dur...
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  • What are the classifications of vacuum coating equipment?

    Vacuum coating technology is a technology that deposits thin film materials onto the surface of substrate materials under vacuum environment, which is widely used in electronics, optics, packaging, decoration and other fields. Vacuum coating equipment can be mainly divided into the following type...
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  • How to choose a good brand of vacuum coating equipment?

    Vacuum coating equipment is a kind of equipment for surface modification using vacuum technology, which mainly includes vacuum chamber, vacuum system, heat source system, coating material and so on. At present, vacuum coating equipment has been widely used in automotive, mobile phones, optics, se...
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  • Vacuum Ion Coating Technology Introduction

    1.The principle of vacuum ion coating technology Using vacuum arc discharge technology in a vacuum chamber, arc light is generated on the surface of the cathode material, causing atoms and ions to form on the cathode material. Under the action of electric field, the atom and ion beams bombard the...
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  • Sputtering Coating Machine Technical Features

    Vacuum magnetron sputtering is particularly suitable for reactive deposition coatings. In fact, this process can deposit thin films of any oxide, carbide, and nitride materials. In addition, the process is also particularly suitable for the deposition of multilayer film structures, including opti...
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  • DLC Technology Introduction

    “DLC is an abbreviation of the word “DIAMOND-LIKE CARBON”, a substance composed of carbon elements, similar in nature to diamond, and having the structure of graphite atoms. Diamond-Like Carbon (DLC) is an amorphous film that has attracted the attention of the tribological commu...
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  • Properties and applications of diamond films chapter 2

    Properties and applications of diamond films chapter 2

    Electrical properties and applications of diamond films Diamond also has a forbidden bandwidth, high carrier mobility, good thermal conductivity, high saturation electron drift rate, small dielectric constant, high breakdown voltage and electron hole mobility, etc. Its breakdown voltage is two or...
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  • Properties and applications of diamond films chapter 1

    Properties and applications of diamond films chapter 1

    Diamond formed with strong chemical bonding has special mechanical and elastic properties. The hardness, density and thermal conductivity of diamond are the highest among known materials. Diamond also has the highest modulus of elasticity of any material. The coefficient of friction of a diamond ...
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  • Solar cells type chapter 2

    Solar cells type chapter 2

    Gallium arsenide (GaAs) Ⅲ ~ V compound battery conversion efficiency of up to 28%, GaAs compound material has a very ideal optical band gap, as well as high absorption efficiency, strong resistance to irradiation, heat insensitive, suitable for the manufacture of high-efficiency single-junction b...
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  • Solar cells type chapter 1

    Solar cells type chapter 1

    solar cells have been developed to the third generation, which the first generation is monocrystalline silicon solar cells, the second generation is amorphous silicon and polycrystalline silicon solar cells, and the third generation is copper-steel-gallium-selenide (CIGS) as the representative of...
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  • Process Ways to Improve The Mechanical Strength of Film Layer

    Process Ways to Improve The Mechanical Strength of Film Layer

    The mechanical properties of the membrane layer are affected by the adhesion, stress, aggregation density, etc. From the relationship between the membrane layer material and process factors, it can be seen that if we want to improve the mechanical strength of the membrane layer, we should focus o...
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  • Chemical Vapor Deposition

    Chemical Vapor Deposition

    Epitaxial growth, often also referred to as epitaxy, is one of the most important processes in the fabrication of semiconductor materials and devices. The so-called epitaxial growth is in certain conditions in the single crystal substrate on the growth of a layer of single product film process, t...
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  • Types of CVD Technology

    Types of CVD Technology

    Broadly speaking, CVD can be roughly divided into two type: one is in the single product on the substrate vapor deposition of single-crystal epitaxial layer, which is narrowly CVD; the other is the deposition of thin films on the substrate, including multi-product and amorphous films. According t...
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  • Transmission and Reflectance Spectra and Color of Optical Thin Films Chapter 2

    From this we are about to clarify: (1) thin-film devices, transmittance, reflectance spectra and the color of the corresponding relationship between, that is, a spectrum of a color; on the contrary, this relationship is “not unique”, manifested as a color multi-spectrum. Therefore, the film’...
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