Read head with multiple reader stacks
AssigneeSeagate Technology LLC
InventorsMark Thomas Kief, Thomas Roy Boonstra, Victor Boris Sapozhnikov, Harry Sam Edelman
Life of this patent
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Abstract
A read head includes a bottom shield configured as a bottom electrical contact. A bottom reader stack is disposed on and electrically coupled to the bottom shield. A middle electrical contact is electrically coupled to a top layer of the bottom reader stack. A top reader stack is disposed on the bottom reader stack. A bottom layer of the top reader stack electrically coupled to the middle electrical contact. A top shield is configured as a top electrical contact. The top shield is disposed on and electrically coupled to the top reader stack.
Claims20
A read head, comprising:
- a bottom shield configured as a bottom electrical contact;
- a bottom reader stack disposed on and electrically coupled to the bottom shield;
- a middle electrical contact electrically coupled to a top layer of the bottom reader stack;
- a top reader stack disposed on the bottom reader stack, a bottom layer of the top reader stack electrically coupled to the middle electrical contact;
- and
- a top shield configured as a top electrical contact, the top shield disposed on and electrically coupled to the top reader stack.
A read head, comprising:
- a bottom shield configured as a bottom electrical contact;
- a bottom reader stack disposed on and electrically coupled to the bottom shield;
- at least one middle shield disposed on the bottom reader stack and configured as at least one middle electrical contact;
- a top reader stack disposed on the at least one middle shield;
- and
- a top shield configured as a top electrical contact, the top shield disposed on and electrically coupled to the top reader stack, at least one of the top and bottom reader stacks are electrically coupled to the at least one middle shield.
A read head, comprising:
- a bottom shield configured as a bottom electrical contact;
- a bottom reader stack disposed on and electrically coupled to the bottom shield;
- a first middle electrical contact electrically coupled to a top layer of the bottom reader stack;
- a middle reader stack disposed on the bottom reader stack, a bottom layer of the middle reader stack electrically coupled to the first middle electrical contact;
- a second middle electrical contact electrically coupled to a top layer of the middle reader stack;
- a top reader stack disposed on the middle reader stack, a bottom layer of the top reader stack electrically coupled to the second middle electrical contact;
- and
- a top shield configured as a top electrical contact, the top shield disposed on and electrically coupled to the top reader stack.
Dependencies are inferred from the claim text.