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.)
NGK Insulators Ltd
Mitsubishi Electric Corp
Nippon Telegraph and Telephone Corp
NGK Frit Co Ltd
Original Assignee
NGK Insulators Ltd
Mitsubishi Electric Corp
Nippon Telegraph and Telephone Corp
NGK Frit Co 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 NGK Insulators Ltd, Mitsubishi Electric Corp, Nippon Telegraph and Telephone Corp, NGK Frit Co LtdfiledCriticalNGK Insulators Ltd
Priority to JP1646590ApriorityCriticalpatent/JPH0375238A/ja
Publication of JPH0375238ApublicationCriticalpatent/JPH0375238A/ja
Publication of JPH0551543B2publicationCriticalpatent/JPH0551543B2/ja
Partially devitrified porcelain containing BaO.2MgO.2SiO2 and 2MgO.B2 O3 crystalline phases obtained from alkali metal free divalent metal oxide borosilicate glass