Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Search research articles

Related Experiment Video

Updated: May 23, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Highly precise and compact ultrahigh vacuum rotary feedthrough.

Y Aiura¹, K Kitano

¹National Institute of Advanced Industrial Science and Technology, Tsukuba, Ibaraki 305-8568, Japan.

The Review of Scientific Instruments

|April 3, 2012

Summary

Ultrahigh vacuum (UHV) rotary feedthroughs achieve enhanced precision and rigidity. An optimized crossed roller bearing with integrated mounting holes allows for larger rolling elements and direct installation, improving performance.

Related Concept Videos

Atomic Force Microscopy

Atomic Force Microscopy

Atomic force microscopy (AFM) is a type of scanning probe microscopy that can analyze topographic details of various specimens like ceramics, glass, polymers, and biological samples. AFM offers over 1000 times more resolution than the optical imaging system. Images generated from AFM are three-dimensional surface profiles, offering an advantage over the flat, two-dimensional images from other imaging techniques.
The AFM Probe
The probe is regarded as the heart of any AFM setup and comprises the...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Cavity-Free Mode Control of Superfluorescence from Thermal Gas.

Physical review letters·2026

Same author

Coherent Amplification of Continuous Laser Field via Superfluorescence.

Physical review letters·2024

Same author

Cascade and yoked superfluorescence detected by sum frequency generation spectroscopy.

Optics letters·2022

Same author

Polarization correlation in the superfluorescent decay process.

Optics letters·2021

Same author

Possibility of Flat-Band Ferromagnetism in Hole-Doped Pyrochlore Oxides Sn_{2}Nb_{2}O_{7} and Sn_{2}Ta_{2}O_{7}.

Physical review letters·2018

Same author

Rabi oscillations in the spatial profiles of superfluorescent pulses from rubidium vapor.

Optics express·2017

Area of Science:

Mechanical Engineering
Vacuum Technology
Materials Science

Background:

Compact ultrahigh vacuum (UHV) rotary feedthroughs require high precision and rigidity for sensitive applications.
Existing designs often face limitations in achieving optimal bearing performance due to space constraints and mounting complexities.

Purpose of the Study:

To significantly improve the precision and rigidity of compact UHV rotary feedthroughs.
To introduce a novel bearing solution that overcomes traditional mounting and space limitations.

Main Methods:

Developed and implemented an optimal crossed roller bearing with integrated mounting holes on both inner and outer races.
Integrated the bearing directly onto rotary and stationary stages, eliminating the need for separate fixing plates and housing.

More Related Videos

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

Related Experiment Videos

Last Updated: May 23, 2026

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Direct Imaging of Laser-driven Ultrafast Molecular Rotation

Published on: February 4, 2017

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Fabricating van der Waals Heterostructures with Precise Rotational Alignment

Published on: July 5, 2019

Incorporated larger rolling elements within the bearing structure without increasing the overall feedthrough dimensions.

Main Results:

Achieved substantial improvements in the precision and rigidity of the UHV rotary feedthrough.
The direct mounting capability and integrated design ensured minimal impact on bearing performance.
Enabled the installation of a precise optical encoder due to the unaffected performance and compact design.

Conclusions:

The optimized crossed roller bearing with integrated mounting holes offers a superior solution for enhancing UHV rotary feedthrough performance.
This design facilitates increased rigidity and precision, crucial for advanced vacuum applications.
The improved feedthroughs, coupled with precise feedback systems, allow for extremely accurate angular control.