Magnetic memory device and method for production thereof
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United States of America Patent
Stats
-
Aug 22, 2006
Grant Date -
Jun 16, 2005
app pub date -
Dec 8, 2004
filing date -
Dec 15, 2003
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A magnetic memory device in which the memory cell of MRAM is reduced in size, and a method for producing the magnetic memory device are provided. The lower wiring is formed below the word line. The connecting hole and the plug connected to it are provided. The reading wiring and the lower layer wiring are connected through this plug. Alternatively, the local wiring is provided in the connecting hole and the reading wiring and the lower layer wiring are connected. In this way it is possible to form the connecting hole close to the word line, and hence it is possible to reduce the cell size in the direction along the bit line.
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