Compression zone recording head

Details Compression zone recording head Compression zone recording head

2007-07-24

2007-07-24

Cao, Allen (Department: 2627)

Dynamic magnetic information storage or retrieval

Head

Head accessory

Reexamination Certificate

active

10736856

ABSTRACT:
A compression zone recording head is provided having the recording tape in contact or near contact with the recording read/write transducer elements in a compression zone of the tape passing over a transducing surface. The compression zone recording head comprises a flat or shallow contour head having a thin, hard, preferably conducting closure to provide wear protection to the transducers. In one embodiment of the invention, the transducers are located in a compression zone region where the recording tape contacts an edge of the transducing surface at a controlled wrap angle. In another embodiment, the transducers are located in a canopy zone region of the transducing surface due to bending of the tape due to the overwrap. The protective closure is preferably made of sputter deposited Al—Fe—Si, or alternatively of a deposited or bonded layer of Al—Fe—Si, Al—O—Ti—C, Zr—O—Ti, Si—N, Si—C or Zr—O.

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