Which High Vacuum Pump is Best for PVD?

hydro molecule diagram

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Physical vapor deposition (PVD) and other types of thin film deposition require a vacuum chamber to create thin film coatings. A vacuum is created when the coating chamber is pumped down, and all of the air molecules and other gasses are evacuated from the system. If these molecules are not reduced to an acceptable level,… Read More

Benefits of Confocal Cathode Placement During Sputtering

confocal sputtering

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During sputtering, there are several different approaches for cathode placement, depending on what you need to achieve from your process. Positioning the cathodes confocally to the substrate is the preferred method for co-sputtering multiple materials during deposition. Cathode Placement Approaches Where the cathode or cathodes are placed in relation to the substrate can have an… Read More

Improving Image Sensor Filter Performance Through Thin Film Deposition

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Optical and IR filters are both key components in imaging devices. They are designed to focus on and filter out specific wavelengths of light in order to create images, both for digital cameras and thermal imaging devices. An image sensor filter is a type of imaging filter that helps transmit and interpret color information, and… Read More

What is Pre-Cleaning in Thin Film Deposition?

man pre cleaning for thin film deposition

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For certain thin film coatings and applications, the substrate needs to be pre-cleaned inside the vacuum chamber in order to achieve desired properties and fulfill performance requirements. There are several methods that can be used to carry out this process, which have their own specific benefits depending on what you’re trying to achieve with pre-cleaning…. Read More

IR Optics Applications and Thin Film Considerations

person using heat sensor device on buildings

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Infrared optics, or IR optics, are growing in demand due to their ability to aid in navigation and surveillance in a few different markets. These optical devices differ from other optics because they deal with infrared light instead of visible light, which creates specific thin film requirements for their manufacturing. What is Infrared Light? To… Read More

Thin Film Coatings in the Medical Market

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The medical market, including both healthcare and life sciences, is one of many markets that require thin film coatings to manufacture products. In the medical field, thin film coatings can enhance the durability of devices, improve patient comfort and even provide treatment for patients who need tissues removed, such as a cancerous tumor. Coatings for… Read More

Comparing Edge-Emitting Lasers and VCSELs

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Edge-emitting lasers (EELs) and vertical cavity surface emitting lasers (VCSELs) are two different types of diode lasers. EELs are well established in the opto-electronics market, but there are some limitations for manufacturers. VCSELs are also well-established in opto-electronics (particularly datacom), but as the technology matures, they will be better equipped to address those manufacturing challenges… Read More

Requirements for Ion Sources in Thin Film Deposition

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Ion sources can be used in a number of deposition methods, including ion assisted deposition and ion beam sputtering. Your deposition method of choice may depend on a number of production and cost factors, but your ion source will have its own requirements based on your desired specs and application needs. How Ion Sources Help… Read More

Using Ion Sources in Thin Film Deposition

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To create more precise thin films, manufacturers often include an ion source to their thin film deposition system configuration. By using an ion source, manufacturers can produce an ion species that has specific properties during deposition. The source controls the energy, trajectory and reactivity of the ions it produces, helping to create a thin film… Read More

3 Trends to Look For at Laser Munich 2019

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The bi-annual LASER World of PHOTONICS show is coming up at the end of the month in Munich, Germany, and there are sure to be plenty of new technologies and emerging applications on display, as well as further developments for mature applications. Here are some of the trends you can expect to hear more about… Read More