By Nagamitsu Yoshimura

This e-book describes the developmental historical past of the vacuum method of the transmission electron microscope (TEM) on the Japan Electron Optics Laboratory (JEOL) from its inception to its use in today’s high-technology microscopes. the writer and his colleagues have been engaged in constructing vacuum expertise for electron microscopes (JEM sequence) at JEOL for a few years. This quantity offers a precis and clarification in their paintings and the know-how that makes attainable a fresh ultrahigh vacuum.

The regular clients of the TEM are top-level researchers operating on the frontiers of latest fabrics or with new organic specimens. they typically use the TEM lower than super serious stipulations, with difficulties occasionally taking place within the vacuum procedure of the microscopes. JEOL engineers then needs to paintings as speedy as attainable to enhance the vacuum evacuation method with a view to hinder the recurrence of such difficulties. one of the wealth of explanatory fabric during this publication are examples of clients’ reviews of difficulties within the vacuum process of the JEM, resembling the prevalence of a micro-discharge and the back-streaming of the diffusion pump (DP) oil vapor.

This paintings is a worthwhile source for researchers who use the transmission electron microscope and for engineers and scientists drawn to its technology.

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Historical Evolution Toward Achieving Ultrahigh Vacuum in JEOL Electron Microscopes (SpringerBriefs in Applied Sciences and Technology) by Nagamitsu Yoshimura


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