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h1 title img:National Metrology Institute of Japan

Development, dissemination, and use promotion of measurement standards and development of standards-related measurement technologies

As the national metrology institute (NMI), we are focusing on the development and dissemination of measurement standards, promotion of measurement standards utilization, development of measurement technologies related to measurement standards, legal metrology work and training of experts. Our activity covers engineering, physical, material, and chemical measurement standards. It also covers development of measurement and analytical instrumentation. We also coordinate international activities on metrology standards as a national representative.

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New Research Results

Development of High-Sensitive Digital X-ray Imaging Device with Large Field of View for Infrastructure Inspection

AIST has developed a new digital X-ray imaging device that enables digital inspection of infrastructures. The developed device can be driven with batteries. Combination with a battery-powered X-ray source enables X-ray inspection up to 10 cm thick iron objects.

Figure of new research results National Metrology Institute of Japan

Detector’s field of view (upper right) and X-ray image (lower right) taken with the developed X-ray imaging device (left)

Use of Ultra-high Precision Planar Circuit Measurement Technology to Evaluate Printed Wiring Performance in the 300 GHz Band

AIST has developed a circuit measurement method to measure the transmission characteristics of high frequency transmission lines (coplanar waveguides). The developed method enabled high precision measurement of the characteristics of coplanar waveguides fabricated using printing technology in the ultra-high frequency range over 300 GHz.

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Developed probe position control technology

Research Unit

Research Institute for Physical Measurement
Research Institute for Material and Chemical Measurement

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