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Product information

・ Electric tubes

Combining glass and metal elements in airtight construction, these tubes exploit the performance characteristics of glass and are indispensable in vacuum tubes and insulators.

At Japan Radio Glass, our many years of glassmaking experience enables us to provide high quality, high performance products such as medical imaging and X-ray tubes to satisfy our customers' demands.

Electric tubes of every sort

The Super Kamiokande detector facility gained international renown for its role in the discovery of the mysterious particles known as neutrinos.
50 cm large scale photomultiplier tubes formed a core technology used in the detector.
We developed glass with a performance profile matched to the researcher's specifications and carefully crafted the forms to create these hand-blown masterpieces. 


50 cm photomultiplier glass bulbs

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