Methods for selecting wrap angle for inducing tape tenting above transducer
First Claim
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1. A method, comprising:
- determining a distance from a transducer of a module to an edge of the module closest thereto; and
selecting a wrap angle based on the determined distance for inducing tenting of a moving magnetic recording tape directly above the transducer whereby a resulting tent of the moving magnetic recording tape extends from the edge of the module closest thereto to a minima with a tent apex therebetween, wherein the minima is at a first point of closest approach of the moving magnetic recording tape to a tape bearing surface of the module nearest the tent apex,wherein the determined distance from a location of the transducer on the tape bearing surface to the edge of the module closest thereto is less than the length from a location directly under the tent apex to the edge of the module closest thereto.
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Abstract
In one general embodiment, a method includes determining a distance from a transducer of a module to an edge of the module closest thereto, and selecting a wrap angle based on the determined distance for inducing tenting of a moving magnetic recording tape in a region above the transducer. In another general embodiment, a method includes running a magnetic recording tape over a tape bearing surface having at least one edge, and detecting signals from the tape at differing wrap angles for estimating a height of tenting of the tape above a transducer at each of the wrap angles. A wrap angle is selected to provide about a predefined height of tenting of the tape above the transducer.
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Citations
22 Claims
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1. A method, comprising:
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determining a distance from a transducer of a module to an edge of the module closest thereto; and selecting a wrap angle based on the determined distance for inducing tenting of a moving magnetic recording tape directly above the transducer whereby a resulting tent of the moving magnetic recording tape extends from the edge of the module closest thereto to a minima with a tent apex therebetween, wherein the minima is at a first point of closest approach of the moving magnetic recording tape to a tape bearing surface of the module nearest the tent apex, wherein the determined distance from a location of the transducer on the tape bearing surface to the edge of the module closest thereto is less than the length from a location directly under the tent apex to the edge of the module closest thereto. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A computer program product for determining a wrap angle, the computer program product comprising a computer readable storage medium having program instructions embodied therewith, wherein the computer readable storage medium is not a transitory signal per se, the program instructions executable by a processor to cause the processor to perform a method comprising:
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determining, by the processor, a distance from a transducer of a module to an edge of the module closest thereto; and
,selecting, by the processor, a wrap angle based on the determined distance for inducing tenting of a moving magnetic recording tape directly above the transducer whereby a resulting tent of the moving magnetic recording tape extends from the edge of the module closest thereto to a minima with a tent apex therebetween, wherein the minima is at a first point of closest approach of the moving magnetic recording tape to a tape bearing surface of the module nearest the tent apex, wherein the determined distance from a location of the transducer on the tape bearing surface to the edge of the module closest thereto is less than the length from a location directly under the tent apex to the edge of the module closest thereto. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22)
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Specification