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.)
Shin-Etsu Chemical Co Ltd
Nippon Steel Corp
Original Assignee
Shin-Etsu Chemical Co Ltd
Nippon Steel Corp
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 Shin-Etsu Chemical Co Ltd, Nippon Steel CorpfiledCriticalShin-Etsu Chemical Co Ltd
Priority to JP23194286ApriorityCriticalpatent/JPS6385033A/ja
Publication of JPS6385033ApublicationCriticalpatent/JPS6385033A/ja
Publication of JPH0545535B2publicationCriticalpatent/JPH0545535B2/ja