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Accelerator and Fusion Field

Synchrotron Radiation, Accelerator, and Fusion Facilities

We have provided various types of equipment to a number of scientific experimental facilities promoted by the government as national projects.
The valuable research results obtained from these facilities have been fed back into a wide variety of products.

SPring-８/SACLA



We delivered aluminum bellows for SPring-8 and welded bellows for the in-vacuum undulator of the adjacent X-ray free electron laser (XFEL) facility SACLA.

fpd_1.pngSACLA in-vacuum undulator
Photo: Courtesy of RIKEN Registered Institution for Facilities Use Promotion and Japan Synchrotron Radiation Research Institute


KEKB（Electron-Positron Collider Facility)



We delivered collimators to SuperKEKB, which was upgraded project of KEKB,
The collimator (movable mask) is a device to mitigate the halo near the beam orbit and is used to reduce the background of the particle detector (Belle II).

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J-PARC（Proton Accelerator Facility)

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Titanium large formed bellows
(Large beam position detector)
            The encouragement prize of “CHO” MONODZUKURI Innovative Parts and Components Award 2010

The Big-BPM is a device to detect the position and profile of the proton beam injected into the synchrotron accelerator at J-PARC.
The Big-BPM consists of a rectangular detector body and a circular vacuum vessel with flanges at both ends that covers the outside of the detector body. In order to make the electrode large and rectangular and to reduce pressure effects to zero, the outer casing of the vacuum vessel and the housing that fixes the electrode are separated.
Shielding gas conditions and jigs during titanium welding were studied to develop a welding technique with extremely low oxidation.

  
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                               　　Proton Beam Profile Monitor (Driven)           

JT60-SA (Fusion Facility)



The Big-BPM is a device to detect the position and profile of the proton beam injected into the synchrotron accelerator at J-PARC.
The Big-BPM consists of a rectangular detector body and a circular vacuum vessel with flanges at both ends that covers the outside of the detector body. In order to make the electrode large and rectangular and to reduce pressure effects to zero, the outer casing of the vacuum vessel and the housing that fixes the electrode are separated.
Shielding gas conditions and jigs during titanium welding were studied to develop a welding technique with extremely low oxidation.

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