Japan · Kawasaki · 35.531, 139.703 (approximate location)

OCF Ozenji Critical Facility

OCF Ozenji Critical Facility, a research reactor (critical assembly) in Kawasaki, Japan, with 100 W of thermal power, operated by Central Research Laboratory. Decommissioned, first critical in 1962.

It was one of the 27 research reactors Japan has had; 9 remain in operation today. It went critical 5 years after the first research reactor in Japan, JRR-1 (1957). 44 critical assemblies remain in operation today across 12 countries.

Country

Japan

City

Kawasaki

Type

Critical assembly

Thermal power

100 W

Operator

Central Research Laboratory

Status

Decommissioned

First criticality

1962

See also: every research reactor in Japan · How research reactors work