Abstract
Ring-type magnetic recording and reproducing heads are contacted by the abrasive medium, and hence their useful life is shortened by wear, replaceable pole tip cap consists of a pair of brass holders in which the laminated tips of the cores are plasticized. The cap is fastened to the main housing assembly by means of two 1–72 screws, and locating pins are employed to assure correct azimuth on the part of the precision-aligned pole cap.
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