Static information storage and retrieval – Magnetic bubbles – Guide structure
Patent
1994-03-10
1998-03-31
Beausoliel, Jr., Robert W.
Static information storage and retrieval
Magnetic bubbles
Guide structure
395428, 36518533, 36518529, G06F 1100
Patent
active
057348162
ABSTRACT:
A nonvolatile memory with flash erase capability includes a plurality of clusters each having a plurality of sectors, each of the sectors holding the attribute information for identification. A cluster information sector is placed at the top of a cluster to which it belongs. A data sector is placed in a data area which is the region other than the top of the cluster. A controller connected to the nonvolatile memory creates a cluster information copy sector when erasing a cluster, and reconstructs cluster management information from the cluster information copy sector when initializing a cluster, thereby forming a cluster information sector. Accordingly, endurance against failure such as power failure in a solid state file apparatus using the nonvolatile memory is improved.
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Niijima Hideto
Toyooka Takashi
Beausoliel, Jr. Robert W.
Bussan Matthew J.
International Business Machines - Corporation
Ojanen Karuna
Palys Joseph E.
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