Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hamamatsu Photonics KK
Nippon Steel Corp
Original Assignee
Hamamatsu Photonics KK
Sumitomo Metal Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hamamatsu Photonics KK, Sumitomo Metal Industries LtdfiledCriticalHamamatsu Photonics KK
Priority to JP60052658ApriorityCriticalpatent/JPS61212171A/ja
Publication of JPS61212171ApublicationCriticalpatent/JPS61212171A/ja
Publication of JPH0528323B2publicationCriticalpatent/JPH0528323B2/ja