Dynamic magnetic information storage or retrieval – Head – Magnetoresistive reproducing head
Reexamination Certificate
2006-10-16
2011-11-15
Negron, Daniell L (Department: 2627)
Dynamic magnetic information storage or retrieval
Head
Magnetoresistive reproducing head
C360S313000
Reexamination Certificate
active
08059373
ABSTRACT:
Magnetic sensing chips and methods of fabricating the magnetic sensing chips are disclosed. A magnetic sensing chip as described herein includes an EMR sensor formed on a substrate from multiple semiconductor layers. One or more of the semiconductor layers form a quantum well comprising a two-dimensional electron gas (2DEG) or hole gas (2DHG). The magnetic sensing chip also includes one or more transistors formed on the substrate from the multiple semiconductor layers. The transistor(s) likewise include a quantum well comprising a 2DEG or 2DHG. The EMR sensor and the transistor(s) are connected by one or more connections so that the transistor(s) amplifies data signals from the EMR sensor.
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Folks Liesl
Fontana, Jr. Robert E.
Gurney Bruce A.
Klaassen Klaas B.
Maat Stefan
Duft Bornsen & Fishman LLP
Garcia Carlos E
Hitachi Global Storage Technologies - Netherlands B.V.
Negron Daniell L
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