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.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial 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 Matsushita Electric Industrial Co LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Priority to JP48277ApriorityCriticalpatent/JPS5385413A/en
Publication of JPS5385413ApublicationCriticalpatent/JPS5385413A/en
Publication of JPS574005B2publicationCriticalpatent/JPS574005B2/ja
PURPOSE: To prevent the generation of cracking, etc., during the processing stage for the purpose of contriving the improvement of yield in the manufacture of VTR head, by forming the effective track portion according to the electrolytic processing.
COPYRIGHT: (C)1978,JPO&Japio
JP48277A1977-01-051977-01-05Manufacture of magnetic head
GrantedJPS5385413A
(en)