Patent ID: 8508887

Claim:
A magnetic tape head comprising: a transducer disposed between a first substrate and a second substrate; a recession between said transducer and said substrates, wherein said recession is formed at least by wear from a magnetic tape; a first heater disposed in said transducer and located an equal distance from said first and second substrates, wherein said first heater thermally expands said transducer at a particular location and said first heater thermally changes a contour of said transducer such that said recession is reduced at said particular location; a second heater disposed in said transducer and located an equal distance from said first substrate and from said first heater, wherein said second heater thermally expands said transducer at a particular location and said second heater thermally changes a contour of said transducer such that said recession is reduced at said particular location; a third heater disposed in said transducer and located an equal distance from said second substrate and from said first heater, wherein said third heater thermally expands said transducer at a particular location and said third heater thermally changes a contour of said transducer such that said recession is reduced at said particular location; and two leads for connecting all of said first, second and third heaters of said magnetic tape head in a series.