16Dec 2020 by elina No Comments
Deposition Methods | Vacuum Deposition

Deposition Methods | Vacuum Deposition

Deposition, Report
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner width="1/2"][vc_column_text css=""] What is Deposition? Deposition processes help to create thin or thick layers of a substance, established atom-by-atom or molecule by molecule on a solid surface. The created layer during a deposition process serves as a coating on a surface and changes the properties of the substrate surface depending on the application. The thickness of the deposited layers in this process can be in the range of one atom (Nanometer) to several millimeters, depending on the coating method and the type of material. Several methods exist for creating a layer of different materials on different surfaces. These methods are mainly categorized based on deposition physics, like the source phase, which can be the vapor or solution phase of the source material. Why Deposition? It has many advantages…
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02Dec 2020 by elina 8 Comments
What is an Electron Microscope?

What is an Electron Microscope?

Report
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text] Electron Microscope (EM) A group of microscopes that uses a beam of accelerated electrons as a source of radiation is called electron microscopes. Electron microscopy (EM) is a technique for obtaining high-resolution images of biological and non-biological samples. Electron microscopy is used in biomedical research to examine the exact structure of tissues, cells, organs, and macromolecular complexes. The high resolution of electron microscope images is due to the use of electrons as radiation sources. [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner css=".vc_custom_1706029944763{background-color: #d9d9d9 !important;}"][vc_column_inner width="1/2"][vc_video link="https://youtu.be/ljTEG-B-kGc" align="center" css=""][vc_column_text css=".vc_custom_1706030094281{margin-top: -30px !important;}"] The Principle of the Electron Microscope [/vc_column_text][/vc_column_inner][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="Selection Materials for SEM Sample" btn_style="3d" btn_color="juicy-pink" btn_align="center" css="" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fblog%2Fselection-material-for-sem-samples%2F|title:Selection%20Material%20for%20SEM%20Samples"][/vc_cta][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner width="1/2"][vc_column_text] Electron Microscope vs Light Microscope Because the wavelength of an electron beam is 100,000 times shorter than the wavelength…
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28Nov 2020 by elina 3 Comments
How to Make the Most Efficient Rotary Pumps?

How to Make the Most Efficient Rotary Pumps?

Report, Vacuum Pumps
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text] How to Make the Most Efficient Rotary Pumps? Rotary pumps usually have many applications in industry due to their ability to work for a long time in industrial and difficult conditions. So rotary pumps maintenance is very important. Almost all vacuum coating systems made by Vac Coat Ltd. are equipped with two-stage rotary pumps. In models such as DST3, DST1, DCT, etc., which use turbomolecular pumps to create a high vacuum environment, these pumps are usually used as backing pumps.  [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="Carbon Coaters" btn_style="3d" btn_color="juicy-pink" btn_align="center" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fcarbon-coater%2F|title:Carbon%20Coaters%20%7C%20Vac%20Coat%20Desk%20Carbon%20Coaters|target:_blank"][/vc_cta][/vc_column_inner][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="Turbomolecular Pumps" btn_style="3d" btn_color="juicy-pink" btn_align="center" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fblog%2Flearn-more-about-turbomolecular-pumps%2F|title:Learn%20More%20about%20Turbomolecular%20Pumps|target:_blank"][/vc_cta][/vc_column_inner][/vc_row_inner][vc_separator][vc_row_inner][vc_column_inner][vc_column_text] Rotary Vacuum Pumps Rotary Vacuum Pumps are in the group of displacement pumps and are of the positive displacement type. This means that…
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02Nov 2020 by elina 2 Comments
Hydrophilicity and Hydrophobicity: Deposited Carbon Thin Film

Hydrophilicity and Hydrophobicity: Deposited Carbon Thin Film

Report
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text] What is Hydrophobicity and Hydrophilicity? The hydrophilicity or hydrophobicity of different surfaces depends on their chemical composition and structural geometry. This feature of the surfaces plays a significant role in our nature and daily life. If water beads up into droplets and does not spread evenly across the surface, it is called a hydrophobic surface. On hydrophobic surfaces, the contact angle of water droplets with the surface is larger than about 45º. In contrast, if a water droplet placed on the surface is evenly distributed with a small contact angle with the surface, it is called a hydrophilic surface. In most cases, surface hydrophilicity increases due to the presence of hydrophilic groups such as hydroxyl (OH), carboxyl (COOH) and carbonyl (CO) on the surface. [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner][vc_single_image image="7300" img_size="large" add_caption="yes"…
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08Sep 2020 by elina No Comments
Pyrolytic Graphite

Pyrolytic Graphite

Report, Sputter Coater, Thin Film
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text css=""] Pyrolytic Graphite Pyrolytic graphite is a polycrystalline form of graphite that is deposited from the vapor phase by thermal decomposition of a simple hydrocarbon such as methane. Pyrolytic graphite is a man-made material similar to graphite, except that there are covalent bonds between its graphene layers. Graphite has a layered structure, and each carbon atom in each layer is bonded to three adjacent atoms. The atomic structure of graphite is a two-dimensional lattice of hexagons whose first and third layers exactly match each other, while the second layer is slightly displaced relative to these two layers. [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner css=".vc_custom_1736772485291{background-color: #D9D9D9 !important;}"][vc_column_inner][vc_column_text css=""] Pyrolytic Graphite Structure But the material deposited as pyrolytic graphite consists of layers of wavy, twisted plans composed of carbon atoms arranged in a hexagonal structure.…
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30Jun 2020 by elina No Comments
High-Current Electrical Feedthroughs in Coating Systems

High-Current Electrical Feedthroughs in Coating Systems

Report
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner width="1/2"][vc_column_text css=""] What Are Vacuum Feedthroughs? Feedthroughs in a vacuum chamber, enable different components, like electrical cables, cooling water hoses, or mechanical parts to pass through the device, without causing any leakage under high or ultra-high vacuum conditions. Vacuum feedthroughs are useful in various applications, especially where precise pressure control is required, such as thin film deposition systems. [/vc_column_text][/vc_column_inner][vc_column_inner width="1/2"][vc_column_text css=""] [lwptoc backgroundColor="#d6d6d6" borderColor="#5b5b5b" skipHeadingText="Recent Posts|References|Some of Vac Coat Products|Sputter Coater|Carbon Coater|Sputter/Carbon|Thermal"] [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner css=".vc_custom_1730495958241{background-color: #d9d9d9 !important;}"][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="Know more" btn_style="3d" btn_color="juicy-pink" btn_align="center" css="" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fblog%2Fthe-importance-of-vacuum-leakage-detection%2F|title:The%20Importance%20of%20Vacuum%20Leakage%20Detection|target:_blank"][/vc_cta][/vc_column_inner][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="Thin Films" btn_style="3d" btn_color="juicy-pink" btn_align="center" css="" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fblog%2Fthin-film-and-thin-films-types%2F|title:Thin%20Films%20Coating%20and%20Applications|target:_blank"][/vc_cta][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner][vc_column_text css=""] Depending on its mission, various kinds of feedthroughs can be used in a vacuum system. Vac Coat vacuum coating systems are provided with special features,…
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24Jun 2020 by elina No Comments
Chalcogenide Thin Films Deposition | A Complete Overview

Chalcogenide Thin Films Deposition | A Complete Overview

Report, Thin Film
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text css=""] Chalcogenide Thin Films Deposition Chalcogenides are materials that contain at least one of the chalcogens, elements of group 16 of the periodic table (Sulfur, selenium, tellurium, etc.). Chalcogenide binary, ternary, and quaternary derivatives are widely employed in photovoltaic, photocatalyst, sensor, fuel cell, and battery fabrication. [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner css=".vc_custom_1718121920208{background-color: #d9d9d9 !important;}"][vc_column_inner width="1/2"][vc_column_text css=""] Chalcogenides’ Properties Chalcogenide compounds, such as transition metal chalcogenides, contain chalcogen anions like S2−, Se2−, or Te2−, and at least an electropositive element. Chalcogenides have a narrow band-gap energy which results in special optical properties of chalcogenide glasses, such as high refractive index, infrared (IR) transparency, nonlinear optical properties, and reversible phase change from amorphous to crystalline. Chalcogenide glasses can be polished or machined into planar, spherical or other shapes for various applications. [/vc_column_text][/vc_column_inner][vc_column_inner width="1/2"][vc_column_text css=""] [lwptoc…
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15Jun 2020 by elina No Comments
Thickness Control of Carbon Film in Vacuum Carbon Coaters

Thickness Control of Carbon Film in Vacuum Carbon Coaters

Carbon Coater, Report
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner width="1/2"][vc_column_text css=""] Precise Thickness Control of Carbon Film in Vacuum Carbon Coaters Control of carbon film thickness deposited on the samples to be analyzed by electron microscopy (SEM, TEM, FE-SEM, and etc.) or Energy-dispersive X-ray spectroscopy (EDX) should be accurate to obtain the best result. The QCM monitoring of the thickness of carbon thin film deposition by resistive evaporation of carbon sources (Rod or Fiber) happens at high temperatures that may cause sensor heating and failure. [/vc_column_text][/vc_column_inner][vc_column_inner width="1/2"][vc_column_text css=""] [lwptoc backgroundColor="#d6d6d6" borderColor="#5b5b5b" skipHeadingText="Recent Posts|Some of Vac Coat Products|Sputter Coater|Carbon Coater|SEM Coater|Thermal"] [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner css=".vc_custom_1736513625084{background-color: #D9D9D9 !important;}"][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="What is SEM?" btn_style="3d" btn_color="juicy-pink" btn_align="center" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fblog%2Fscanning-electron-microscope-sem%2F|title:Scanning%20Electron%20Microscope%20(SEM)|target:_blank"][/vc_cta][/vc_column_inner][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="Carbon Coaters" btn_style="3d" btn_color="juicy-pink" btn_align="center" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fcarbon-coater%2F|title:Carbon%20Coaters%20%7C%20Vac%20Coat%20Desk%20Carbon%20Coaters|target:_blank"][/vc_cta][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner width="1/2"][vc_column_text css=""] Pulsed Carbon Fiber Evaporation Process Pulsed…
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06Jun 2020 by elina No Comments
Learn More about Turbomolecular Pumps

Learn More about Turbomolecular Pumps

Report, Vacuum Pumps
[vc_row css=".vc_custom_1622359525694{margin-right: 10px !important;margin-left: 10px !important;}"][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text] Learn more about Turbomolecular Pumps One of the most commonly used pumps for high vacuum pressure is the Turbomolecular Pump. These pumps are easy to use and require less care and maintenance than diffusion pumps. The small foot print, the lack of need to cool with water, the speed to reach the desired vacuum, the high purity of these pumps are other advantages compared to diffusion pumps. Using these pumps, the pumping speed can be constant with a good accuracy (One of the disadvantages of these pumps is their high price). Turbomolecular pumps can be used in the range of rough vacuum, high vacuum and Ultra-High Vacuum (UHV) with a constant pumping speed of up to 4000 liters per second. [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner width="1/2"][vc_cta h2=""…
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30May 2020 by elina No Comments
What is the GLAD Sputtering Technique?

What is the GLAD Sputtering Technique?

Sputter Coater, Report, Sputtering
[vc_row][vc_column width="3/4"][vc_row_inner][vc_column_inner][vc_column_text css=""] What is the GLAD Sputtering Technique? There are various techniques for increasing the quality of thin films deposited by vacuum coating methods. GLAD Sputtering (Glancing Angle Deposition) or OLA (Oblique Angle Deposition) is one of the most widely used techniques in the sputtering deposition process. GLAD method helps to achieve different microstructural architectures and increases the surface area of thin films. In the GLAD Sputtering, you could make an array of periodic microstructures to increase the surface sensitivity. [/vc_column_text][/vc_column_inner][/vc_row_inner][vc_row_inner css=".vc_custom_1738928310283{background-color: #D9D9D9 !important;}"][vc_column_inner width="1/2"][vc_video link="https://youtu.be/noHrDL3YUhE" css=""][vc_column_text css=".vc_custom_1738928546355{margin-top: -20px !important;}"] sputtering: a process animation [/vc_column_text][/vc_column_inner][vc_column_inner width="1/2"][vc_cta h2="" txt_align="center" style="3d" color="mulled-wine" add_button="bottom" btn_title="What is Thin Film?" btn_style="3d" btn_color="juicy-pink" btn_align="center" btn_link="url:https%3A%2F%2Fvaccoat.com%2Fblog%2Fthin-film-and-thin-films-types%2F|title:Thin%20Films%20Coating%20and%20Applications|target:_blank"][/vc_cta][/vc_column_inner][/vc_row_inner][vc_row_inner][vc_column_inner][vc_column_text css=""] Although the GLAD technique could apply to various vacuum vapor deposition methods. The DC Magnetron GLAD Sputtering is a…
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