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The profile of the transducer head composite develops and method of generation of such a profile
The profile of the transducer head composite develops and method of generation of such a profile
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机译：换能器头复合材料的轮廓得到发展，并且产生这种轮廓的方法
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摘要
A head assembly for reading and writing data upon the magnetizable surface of passing tape. In its initial form the contour of the head comprises four bearing areas separated by three grooves or depressions. The outboard two of the four bearing areas are defined by a pair of contiguous, arcuate surfaces which blend into ramps which extend from opposing sides of the areas. The inboard pair of bearing surfaces each surround and are flush with the ends of a plurality of magnetic transducers adapted to be inductively coupled to a length of magnetic tape passing over the head surfaces. The inboard bearing surfaces are each formed by a major, centrally-disposed arc with second and third contiguous arcuate surfaces located at both ends of the central arc. P PThe above-described contours are initially formed in the head assembly by grinding according to conventional methods. The contours are then modified by lapping with an abrasive tape having predetermined characteristics in accordance with specified procedure to produce a surface which will maintain the stability of the hydrodynamic bearing existing between the tape and the head, and thus the consistency of the separation therebetween, when the tape is accelerated in a reverse direction. The consistent separation thus achieved assures the detection of information on the tape during periods of reverse acceleration.
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