Komatsu Corporation

Proterial, Ltd.

Shunsuke Goto

Naoto Saito

Shinsuke Terazawa

Satoshi Shiota

Keisuke Tsuboi

A scintillator structure includes a scintillator and a reflecting material that covers the scintillator. Here, the scintillator includes a resin and a phosphor, and a phosphor particle perimeter indicating a normalized length of an interface between the phosphor and the resin in a cross-sectional image of the scintillator is smaller than 6.25.

Scintillator structure and method of evaluating scintillator

Information on a work machine is more accurately obtained through simplified works. An information obtaining system includes a hydraulic excavator, a target portion, a position measurement unit, and an information obtaining unit. The hydraulic excavator includes a revolving unit and a work implement movable relatively to the revolving unit. The target portion is attached to the work implement. The position measurement unit continuously measures positions of the target portion that moves with movement of the work implement relative to the revolving unit. The information obtaining unit obtains three-dimensional information on the hydraulic excavator based on a track of the target portion obtained by measurement.

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Tokyo, Japan

Shunsuke Goto