Magnetic recording head, magnetic reproducing head, magnetic head, tape drive and disk drive

Abstract

A magnetic recording/reproducing head having a plurality of magnetic head elements for multi-channeling capable of achieving high density recording/reproducing capability, including: a plurality of magnetic recording/reproducing head layers each including magnetic recording/reproducing head elements fabricated by a thin film process and interposed between two insulating/magnetic shielding layers laminated on a non-magnetic substrate; the total of magnetic recording/reproducing head elements formed therein are displaced from each other in a head width direction, and each magnetic recording/reproducing head layer has a plurality of magnetic recording/reproducing head elements formed at a predetermined pitch.

1 - 5 . (canceled)  
   
   
       6 . A magnetic head comprising a plurality of magnetic reproducing head layers each having magnetic reproducing head elements fabricated by a thin film process and interposed between two magnetic shielding layers and a plurality of magnetic recording head layers each having magnetic recording head elements fabricated by a thin film process and interposed between two insulating films, laminated on a substrate made of a non-magnetic material, and all of said magnetic reproducing head elements being displaced from each other in a head width direction constituting an orthogonal direction relative to a direction of lamination thereof, wherein 
 said magnetic reproducing head layers include a plurality of magnetic reproducing head elements formed at a predetermined pitch;    said magnetic recording head layers have a plurality of magnetic recording head elements formed at a same pitch as said plurality of magnetic reproducing head elements; and    each magnetic reproducing head element and each magnetic recording head element are formed substantially at a similar position in the head width direction, forming a pair.    
   
   
       7 . The magnetic head according to  claim 6 , wherein said magnetic reproducing head layers and said magnetic recording head layers are alternately laminated, and a magnetic reproducing head element and a magnetic recording head element forming a pair are adjacent in the direction of lamination and are separated via a magnetic shielding layer and an insulating layer.  
   
   
       8 . The magnetic head according to  claim 6 , further comprising: 
 a magnetic reproducing head layer group formed by laminating a plurality of magnetic reproducing head layers; and    a magnetic recording head layer group formed by laminating a plurality of magnetic recording head layers; wherein    said magnetic reproducing head layer group and said magnetic recording head layer group are laminated to one another.    
   
   
       9 - 13 . (canceled)  
   
   
       14 . A tape drive provided with a magnetic head for recording and reproducing a signal to and from a recording tape, and a tape running means for running the recording tape along a predetermined running path, wherein 
 said magnetic head comprises a plurality of magnetic reproducing head layers each having magnetic reproducing head elements fabricated by a thin film process and interposed between two magnetic shielding layers, and a plurality of magnetic recording head layers each having magnetic recording head elements fabricated by a thin film process and interposed between two insulating layers, laminated on a substrate made of a non-magnetic material, all of the magnetic reproducing head elements therein being displaced from each other in a head width direction constituting an orthogonal direction relative to a direction of lamination, and all of the magnetic recording head elements therein being displaced from each other in the head width direction;    each magnetic reproducing head layer includes a plurality of magnetic reproducing head elements formed at a predetermined pitch;    each magnetic recording head layer includes a plurality of magnetic recording head elements formed at a pitch substantially similar to a pitch of the plurality of the magnetic reproducing head elements; and    each magnetic reproducing head element and each magnetic recording head element are formed at a substantially similar position in the head width direction, forming a pair.    
   
   
       15 . The tape drive according to  claim 14 , wherein 
 said magnetic reproducing head layers and said magnetic recording head layers are alternately laminated; and    said magnetic reproducing head element and said magnetic recording head element constituting the pair are adjacent in the direction of lamination and separated by an insulating layer.    
   
   
       16 . The tape drive according to  claim 14 , further comprising a magnetic reproducing head layer group formed by laminating a plurality of magnetic reproducing head layers, and a magnetic recording head layer group formed by laminating a plurality of magnetic recording head layers, wherein said magnetic reproducing head layer group and said magnetic recording head layer group are laminated to each other.  
   
   
       17 . A disk drive provided with a magnetic head for recording and reproducing a signal to and from a disk-shaped recording medium, and a drive mechanism for rotating said disk-shaped recording medium, wherein 
 said magnetic head comprises: a plurality of magnetic reproducing head layers each including magnetic reproducing head elements fabricated by a thin film process and interposed between two magnetic shielding layers; and a plurality of magnetic recording head layers each including magnetic recording head elements fabricated by a thin film process and interposed between two insulating layers, both being laminated on a substrate made of a non-magnetic material, all of the magnetic reproducing head elements formed therein being displaced from each other in a head width direction constituting an orthogonal direction relative to a direction of lamination, and all of the magnetic recording head elements formed therein being displaced from each other in the head width direction;    each magnetic reproducing head layer comprises a plurality of magnetic reproducing head elements formed at a predetermined pitch;    each magnetic recording head layer comprises a plurality of magnetic recording head elements formed at a pitch substantially similar to a pitch of said plurality of magnetic reproducing head elements; and    each magnetic reproducing head element and each magnetic recording head element are formed at a substantially similar position in the head width direction, forming a pair.    
   
   
       18 . The disk drive according to  claim 17 , wherein said magnetic reproducing head layers and said magnetic recording head layers are alternately laminated, and a magnetic reproducing head element and a magnetic recording head element in a pair are adjacent via a magnetic shielding layer and separated by an insulating layer in the direction of lamination.  
   
   
       19 . The disk drive according to  claim 17 , further comprising a magnetic reproducing head layer group formed by laminating a plurality of magnetic reproducing head layers, and a magnetic recording head layer group formed by laminating a plurality of magnetic recording head layers, wherein said magnetic reproducing head layer group and said magnetic recording head layer group are laminated to each other.