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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric 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 Toshiba Corp, Tokyo Shibaura Electric Co LtdfiledCriticalToshiba Corp
Priority to JP11299175ApriorityCriticalpatent/JPS5237085A/en
Publication of JPS5237085ApublicationCriticalpatent/JPS5237085A/en
Publication of JPS5756691B2publicationCriticalpatent/JPS5756691B2/ja
Other Investigation Or Analysis Of Materials By Electrical Means
(AREA)
Investigating Or Analyzing Materials By The Use Of Electric Means
(AREA)
Abstract
PURPOSE: An insulation film for detecting pinholes is fitted to one of a pair of electrode plates immersed in electrolyte, whereby pinholes can be easily and highly accurately detected.