摘要:
A magnetic core provided with one or more concave mark(s) with a depth of 2 um or less on at least one side surface of the magnetic core for a floating-type complex magnetic head, wherein the magnetic gap depth is controlled by machining the air bearing while observing a specific portion, from the direction perpendicular to the air bearing, of a concave mark or observing the level difference of specific portions of multiple concave marks provided on the side surface of the magnetic core in relation to the position of the apex of the magnetic core after cementing the magnetic core using glass filler inside a slit provided in the air bearing of a slider.
摘要:
A floating magnetic head of a monolithic type which is arranged in such a manner that a magnetic circuit is constituted by a first magnetic core having an air bearing surface and a second magnetic core to which a wire is wound and being integrally connected with the first core via a magnetic gap, and the backside of the first core is, connected with an adhesive to a holding member of a cantilever holding structure provided for a load arm in such a manner that the longitudinal central axes of the first core and the holding member coincide with each other. The magnetic head has a groove which is formed on the backside of the first core thereof in such a manner that the groove substantially parallels a magnetic gap line, the groove confronts the holding member and the distance between the gap line and an edge line of the groove adjacent to the gap line is 2 to 20% of the entire length of the first and the second cores. Furthermore, no adhesive adheres to the second core.
摘要:
To provide an easily releasable adhesive film that can be easily released from an object, to which the film has been bonded, after processing and that does not deform or damage the object when released therefrom. This easily releasable adhesive film is configured by laminating, in the following order, a first film that is thermally shrinkable (a shrinkable film), an adhesive layer that contains a reactive oligomer together with an adhesive, a second film that is not thermally shrinkable (a non-shrinkable film), and an easily releasable adhesive layer. The reactive oligomer is contained in the adhesive layer in an amount of 12 to 130 parts by weight (inclusive) relative to 100 parts by weight of the adhesive. It is preferable that the easily releasable adhesive layer is configured as an easily releasable adhesive layer that is thermally curable/releasable and contains a reactive oligomer together with an adhesive. It is also preferable that the first film has a shrinkage of 50-90% (inclusive) in the main shrinkage direction at 120° C.