Bi-directional magnetic recording head built on a common substrate

Abstract

The aspects of the present invention provide a magnetic recording head, a method for manufacturing a magnetic recording head, and a magnetic recording head drive. The magnetic recording head includes a substrate and a first magnetic device connected to the substrate. The magnetic recording head also includes a second magnetic device connected to the first magnetic device. The first magnetic device is aligned with the second magnetic device. The first and second magnetic devices are supported by the same side of the substrate.

1 . A bi-directional magnetic recording head comprising:
 a substrate, comprising a single piece of material;   a first linear array of read-write devices connected to the substrate; and   a second linear array of read-write devices connected to the first linear array of read-write devices, wherein the first linear array of read-write devices is aligned with the second linear array of read-write devices, and wherein the first and second linear arrays of read-write devices are supported by the same side of the substrate.   
   
   
       2 . The magnetic recording head of  claim 1  wherein each device in the first linear array is adjacently aligned, and wherein each device in the second linear array is adjacently aligned. 
   
   
       3 . The magnetic recording head of  claim 2 , wherein the second linear array is a plurality of linear arrays. 
   
   
       4 . The magnetic recording head of  claim 1 , further comprising:
 an insulating spacer connecting the first read-write device to the second read-write device.   
   
   
       5 . The magnetic recording head of  claim 4  wherein the insulating spacer further comprises:
 a magnetic shield within the insulating spacer.   
   
   
       6 . The magnetic recording head of  claim 4  wherein the insulating spacer further comprises:
 a conductive shield within the insulating spacer.   
   
   
       7 . The magnetic recording head of  claim 4  wherein the insulating spacer further comprises:
 a combined magnetic and conductive shield within the insulating spacer.   
   
   
       8 . The magnetic recording head of  claim 1 , wherein the first read-write device performs the opposite function of the second read-write device. 
   
   
       9 . A method for manufacturing a bi-directional magnetic recording head, the method comprising:
 obtaining a substrate;   forming a first linear array of read-write devices;   connecting the first linear array of read-write devices to the substrate;   forming a second linear array of read-write devices;   connecting the second linear array of read-write devices to the first linear array of read-write devices, wherein the first linear array of read-write devices and the second linear array of read-write devices are supported by the same side of the substrate; and   aligning the second linear array of read-write devices with the first linear array of read-write devices.   
   
   
       10 . The method of  claim 9 , wherein each device in the first linear array is adjacently aligned, and wherein each device in the second linear array is adjacently aligned. 
   
   
       11 . The method of  claim 10 , wherein the second linear array is a plurality of linear arrays. 
   
   
       12 . The method of  claim 9 , further comprising:
 adding an insulating spacer to connect the first read-write device to the second read-write device.   
   
   
       13 . The method of  claim 12  wherein the step of adding an insulating spacer further comprises:
 adding a shield within the insulating spacer.