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Lesker U Live! is series of free webinars spanning many topics taught by leading vacuum experts.

Lesker U provides the following:

  • High-value vacuum expert training
  • A solid base of understanding surrounding vacuum technology
  • Deep dives on specific vacuum technology topics

Annual Christmas Lecture on Vacuum Science & Technology

The concept of the 'demonstration lecture' may have originated with the famous instrument maker Francis Hauksbee, who, in 1705, originated the practice with his lectures to the Royal Institution of Great Britain, in London. As support staff for Isaac Newton, Hauksbee became famous for his pioneering demonstrations of the light emitting properties of electricity, 100 years in advance of the invention of the electric light bulb. The tradition of the Christmas lecture began in 1825 at the Royal Institution, in London, long before formal science education was available for the masses. Originated by Michael Faraday, the lectures focused on a single topic and were an opportunity to share the excitement of science with the learned and layperson alike. In this first annual Lesker U Live Christmas lecture, new for 2020, we will focus on the wonders of vacuum science and technology. Vacuum science has increasingly become an enabling technology for many of the incredible technological advances we enjoy in communications, display, medicine, energy conversion, transportation, and the exploration of the universe. In this fun and informative webinar, we will discuss and demonstrate some of the marvels of vacuum technology which make it so ubiquitous in our modern world. The session will also be peppered with live quizzes - just to make sure you are paying attention!

Duration: 1 Hour(s)

Expert(s): J.R. Gaines

J.R. Gaines is the Technical Director of Education for the Kurt J. Lesker Company, (Jefferson Hills, PA). The Lesker Company is a global scientific equipment manufacturer supplying materials and tools for vacuum-enabled innovation. Gaines has more than 40 years of experience in the research, development and commercialization of advanced materials technologies including superconductivity, semiconductors, cryogenics, space simulation, energy generation, energy conversion and storage. His experience includes vacuum systems, thin film deposition, inorganic chemistry, nanotechnology, and advanced ceramic processing.

Date:

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Other Lesker U Live! Webinars


Detecting Leaks in Vacuum Systems

Leaks are the bane of vacuum systems. Leaks are one of the principal causes that inhibit the achievement of optimal base pressures. There are several approaches available to detect leaks of various sizes which do not involve expensive leak detection tools. In this course the methods to quantify leaks and a general approach to detection will be presented. In addition, specific techniques to detect leaks in rough, medium, high and ultra-high vacuum will be detailed. The use of helium-based leak detectors as well as the use of residual gas analysis for finding very small leaks will also be highlighted.

Duration: 1 Hour(s)

Expert(s): J.R. Gaines

J.R. Gaines is the Technical Director of Education for the Kurt J. Lesker Company, (Jefferson Hills, PA). The Lesker Company is a global scientific equipment manufacturer supplying materials and tools for vacuum-enabled innovation. Gaines has more than 40 years of experience in the research, development and commercialization of advanced materials technologies including superconductivity, semiconductors, cryogenics, space simulation, energy generation, energy conversion and storage. His experience includes vacuum systems, thin film deposition, inorganic chemistry, nanotechnology, and advanced ceramic processing.

Date:

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Introduction to Pressure Control for Vacuum Systems

The control of pressure in vacuum systems can be critical to the achievement of process parameters necessary for certain vacuum-enabled processes. While application like thin film deposition by thermal and e-beam evaporation are enhanced by extremely low operating pressures, other techniques, like sputtering and certain chemical processes, can only be accomplished at pressures which are significantly HIGHER than the base pressure achievable by a high vacuum pumping system. The control of pressure in vacuum can be achieved by a variety of techniques. In this webinar several techniques will be described, with examples, to control operating pressure in vacuum. Both manual and automated techniques will be discussed as they apply to various applications.

Duration: 1.25 Hour(s)

Expert(s): Evan Sawyer

Evan Sawyer is the Global Product Manager for Instrumentation and Pressure Measurement at the Kurt J Lesker Company. With a background in Chemistry, Evan is one of KJLC's product experts and specializes in chemical compatibility / reactivity, pressure measurement, pressure control, and gas analysis. Evan's talents have enabled him to contribute to many different system designs and upgrades for his global clientele. His skills also include troubleshooting instrumentation issues and the creation of technical documentation for his products to further assist the scientific community.

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Characterization & Simple Modeling of Vacuum System Performance

Understanding the performance of a vacuum system can provide insights into the quality and repeatability of processes done in vacuum. There are several factors which can result in large differentials between what a vacuum system was designed to accomplish, on paper, and what can be achieved empirically. In this 1-hour webinar we will discuss a few simple tests that can be used to effectively characterize the performance of a vacuum system. In addition, we will review the basic equations that relate ultimate pressure, gas load, chamber volume, cleanliness, and pumping speed. We will also discuss tactics to optimize vacuum system performance and take questions from participants on their specific vacuum system issues.

Duration: 1 Hour(s)

Expert(s): J.R. Gaines

J.R. Gaines is the Technical Director of Education for the Kurt J. Lesker Company, (Jefferson Hills, PA). The Lesker Company is a global scientific equipment manufacturer supplying materials and tools for vacuum-enabled innovation. Gaines has more than 40 years of experience in the research, development and commercialization of advanced materials technologies including superconductivity, semiconductors, cryogenics, space simulation, energy generation, energy conversion and storage. His experience includes vacuum systems, thin film deposition, inorganic chemistry, nanotechnology, and advanced ceramic processing.

Date:

REGISTER

Quartz Crystal Microbalance (QCM) for Thin Film Deposition Process Monitoring

Quartz Crystal Microbalances (QCM) are devices that can monitor and control the deposition rate of evaporation, sputtering, and other thin film deposition processes in real time. QCM's are highly precise mass balances that can measure increases in weight on a scale necessary to determine the rate at which atoms or molecules are adsorbed onto a substrate as a thin film grows. They can have an accuracy on the nanogram or microgram scale. This means they can resolve film thickness on the scale of tens of nanometers up to several microns. The QCM is made up of several components including an electroded quartz crystal, a temperature-controlled crystal holder, an oscillator and a controller which reads changes in oscillation, and stores process parameters. In this lecture, we will highlight each of these components, compare some of the more common options, and describe how these components work together for precise thin film deposition monitoring and control.

Duration: 1 Hour(s)

Expert(s): Evan Sawyer

Evan Sawyer is the Global Product Manager for Instrumentation and Pressure Measurement at the Kurt J Lesker Company. With a background in Chemistry, Evan is one of KJLC's product experts and specializes in chemical compatibility / reactivity, pressure measurement, pressure control, and gas analysis. Evan's talents have enabled him to contribute to many different system designs and upgrades for his global clientele. His skills also include troubleshooting instrumentation issues and the creation of technical documentation for his products to further assist the scientific community.

Date:

REGISTER

Cleaning Components for Vacuum Service

Despite nearly 2,500 years of progress in vacuum science, much of the practice of cleaning components for vacuum service remains shrouded in folklore. Further, many of the materials used by pioneers in this area are now banned for environmental and health reasons. In this brief webinar, basic procedures to clean components for high and ultra-high vacuum use will be discussed including the preparation of a facility in which to do cleaning, personal protective equipment, green or sustainable materials for cleaning, and tests to verify the efficacy of a cleaning process. Materials to be cleaned will include metals such as 300 series stainless steel, aluminum, and copper, as well as glass and some ceramics. Approaches to mitigate the contamination of components and vacuum chambers will also be reviewed.

Duration: 1 Hour(s)

Expert(s): J.R. Gaines

J.R. Gaines is the Technical Director of Education for the Kurt J. Lesker Company, (Jefferson Hills, PA). The Lesker Company is a global scientific equipment manufacturer supplying materials and tools for vacuum-enabled innovation. Gaines has more than 40 years of experience in the research, development and commercialization of advanced materials technologies including superconductivity, semiconductors, cryogenics, space simulation, energy generation, energy conversion and storage. His experience includes vacuum systems, thin film deposition, inorganic chemistry, nanotechnology, and advanced ceramic processing.

Date:

REGISTER

Annual Christmas Lecture on Vacuum Science & Technology

The concept of the 'demonstration lecture' may have originated with the famous instrument maker Francis Hauksbee, who, in 1705, originated the practice with his lectures to the Royal Institution of Great Britain, in London. As support staff for Isaac Newton, Hauksbee became famous for his pioneering demonstrations of the light emitting properties of electricity, 100 years in advance of the invention of the electric light bulb. The tradition of the Christmas lecture began in 1825 at the Royal Institution, in London, long before formal science education was available for the masses. Originated by Michael Faraday, the lectures focused on a single topic and were an opportunity to share the excitement of science with the learned and layperson alike. In this first annual Lesker U Live Christmas lecture, new for 2020, we will focus on the wonders of vacuum science and technology. Vacuum science has increasingly become an enabling technology for many of the incredible technological advances we enjoy in communications, display, medicine, energy conversion, transportation, and the exploration of the universe. In this fun and informative webinar, we will discuss and demonstrate some of the marvels of vacuum technology which make it so ubiquitous in our modern world. The session will also be peppered with live quizzes - just to make sure you are paying attention!

Duration: 1 Hour(s)

Expert(s): J.R. Gaines

J.R. Gaines is the Technical Director of Education for the Kurt J. Lesker Company, (Jefferson Hills, PA). The Lesker Company is a global scientific equipment manufacturer supplying materials and tools for vacuum-enabled innovation. Gaines has more than 40 years of experience in the research, development and commercialization of advanced materials technologies including superconductivity, semiconductors, cryogenics, space simulation, energy generation, energy conversion and storage. His experience includes vacuum systems, thin film deposition, inorganic chemistry, nanotechnology, and advanced ceramic processing.

Date:

REGISTER

Dry Vacuum Pumps for Reduced Contamination & the Oil-Free Production of Vacuum

Oil contamination introduces an unwanted variable in vacuum processes which can ruin research results and create the need for an extensive cleaning of a vacuum system. Contamination resulting from backstreamed vapors from oil-sealed vacuum pumps is increasingly an issue that must be mitigated to produce pristine vacuum environments. Removal of oil contamination may require complete disassembly and other heroic measures to renew all vacuum-facing surfaces and return a system to pristine condition. A range of oil-free vacuum pumps have been developed for rough, high, and ultra-high vacuum. These pumps, including dry scroll, screw and roots pumps, for rough vacuum, as well as turbomolecular, cryopump, and various solid-state getters, for high and ultra-high vacuum, provide extremely clean routes for the production of vacuum. In this brief introduction, the specific pumping mechanisms, advantages, and drawbacks, of various dry pumping technologies will be discussed and a few example applications will be featured.

Duration: 1 Hour(s)

Expert(s): Evan Sawyer

Evan Sawyer is the Global Product Manager for Instrumentation and Pressure Measurement at the Kurt J Lesker Company. With a background in Chemistry, Evan is one of KJLC's product experts and specializes in chemical compatibility / reactivity, pressure measurement, pressure control, and gas analysis. Evan's talents have enabled him to contribute to many different system designs and upgrades for his global clientele. His skills also include troubleshooting instrumentation issues and the creation of technical documentation for his products to further assist the scientific community.

Date:

REGISTER

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