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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP13081279ApriorityCriticalpatent/JPS5654622A/ja
Publication of JPS5654622ApublicationCriticalpatent/JPS5654622A/ja
Publication of JPS6226089B2publicationCriticalpatent/JPS6226089B2/ja
G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
G11B5/00—Recording by magnetisation or demagnetisation of a record carrier; Reproducing by magnetic means; Record carriers therefor
G11B5/127—Structure or manufacture of heads, e.g. inductive
G11B5/187—Structure or manufacture of the surface of the head in physical contact with, or immediately adjacent to the recording medium; Pole pieces; Gap features
G11B5/23—Gap features
G11B5/232—Manufacture of gap
Landscapes
Engineering & Computer Science
(AREA)
Manufacturing & Machinery
(AREA)
Magnetic Heads
(AREA)
JP13081279A1979-10-121979-10-12Magnetic head and its manufacture
GrantedJPS5654622A
(en)