Invention Grant
US07791834B2 Magnetic head having a ratio of back gap width to front gap width in about a defined range 有权
磁头具有大约在规定范围内的后间隙宽度与前间隙宽度的比率

Magnetic head having a ratio of back gap width to front gap width in about a defined range
Abstract:
A magnetic head having a tape bearing surface according to one embodiment includes a plurality of writers, each writer having first and second poles each having a pole tip positioned towards the tape bearing surface, a front gap defined between the pole tips, and a back gap defined along an electrical coupling of the poles at portions thereof positioned away from the tape bearing surface; wherein widths of the front and back gaps are defined in a direction parallel to the tape bearing surface and parallel to planes of deposition thereof, wherein a ratio of the width of the back gap to the width of the front gap is less than about 3:1. Various embodiments of a magnetic recording tape are also disclosed.
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