VACUUM SCIENCE BLOG

Four basic rules for working under HV and UHV conditions

When working with high vacuum (HV) and ultra-high vacuum (UHV), there are specific aspects to consider to ensure an efficient and safe system.

To clarify, the pressure range of UHV conditions are defined as between 10-7 and 10-12 mbar, whereas HV conditions are defined as between 10-3 and 10-7 mbar. Some of the main applications of HV include metallurgical processes, nuclear physics, space simulation and analytical instruments. On the other hand, UHVs are used for surface analysis, in high-energy physics and Molecular Beam Epitaxy (MBE). 

In this blog, we discuss the four main considerations you need to bear in mind when working under HV or UHV conditions.

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Fusion Edge Seal for Vacuum Glazing

Vacuum can never be completely appreciated unless it is fully known, and I've always noticed that those who work in the vacuum industry have a genuine commitment to their passion in vacuum science and a willingness to apply it to a range of scenarios.

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How Vacuum Technology makes Vaccine Manufacturing Possible

Dr Graham Rogers unpacks the critical role that vacuum technology plays in the production, storage and transport of COVID-19 vaccines.

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Book Review: Vacuum and Ultra Vacuum: Physics and Technology

 

In this blog post, I break down what you can expect from the book in each of its major sections, and offer suggestions on how it can best add value as part of your regular research and development routine.

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Introduction to Vacuum Coating by Sputter Technology

In our blog: 'Introduction to Vacuum Coating Technology', we introduced you to various PVD (Physical Vapor Deposition) methods and how products are typically coated using vacuum technology. Then, in our second blog 'Introduction to Vacuum Coating by Thermal Evaporation', we focused on coating techniques and applications using thermal evaporators and e-beam-evaporators. This blog, will introduce you to sputter technologies, typical uses, and how vacuum technology is applied to the process.

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Global vacuum conferences — A status update as of April 2021

Many vacuum conferences scheduled for 2020 were either cancelled, postponed to 2021, or shifted online. Unfortunately, we’re still in the grips of the COVID-19 pandemic, and even conferences postponed by a full year are facing further postponement or cancellation.

Here’s a quick status update on some of the most important conferences related to vacuum technology and its applications:

 

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New UHV/XHV pumps at ALBA Synchrotron & Argonne Laboratory

In this blog post, we share some recent installations of UHV/XHV pump technologies in electron synchrotrons and how these special pumps perform.

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The Working Principle of Multistage Roots Vacuum Pumps

Fore vacuum pumps are defined as those which exhaust to atmospheric pressure. They are also required to support secondary pumps or to attain the initial conditions for their operation. There are two types of fore vacuum pumps:

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Key working principles of fore vacuum pumps

Fore vacuum pumps are defined as those which exhaust to atmospheric pressure. They are also required to support secondary pumps or to attain the initial conditions for their operation. There are two types of fore vacuum pumps:

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How Vacuum Technology Supports COVID-19 Vaccine Efficacy

The storage and transport of COVID-19 vaccines has to be managed in a cold chain, with the first approved vaccine by Pfizer-BioNtech requiring storage temperatures of -70 C. Besides using dry ice (solid carbon dioxide at -75.8 C), Vacuum Insulated Panels and vacuum insulation have become attractive solutions.

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