Stock material or miscellaneous articles – Religious artifact
Patent
1997-01-22
1999-01-26
Chang, Joni
Stock material or miscellaneous articles
Religious artifact
438298, H01L 2100, H01L 21336
Patent
active
058638067
ABSTRACT:
A microcoil structure for use in an integrated circuit to produce magnetic flux for specific applications or to serve as an inductor is provided. Further, a method for forming the foregoing microcoil structure in a semiconductor wafer is provided. The microcoil structure includes a plurality of diffusion regions having two ends formed with ohmic contact regions. A field-oxide region and an overlaying insulating layer are formed over the diffusion regions. The field oxide region and the insulating layer together serve as a core member for the microcoil structure Further, a plurality of conductive layers are electrically connected between the diffusion regions in such a manner as to form a coil-like structure which winds around the core member to form the desired microcoil structure. When current is input to this microcoil structure, a magnetic flux is produced. The magnitude and polarity of the magnetic flux can be controlled by varying the magnitude and direction of the input current.
REFERENCES:
patent: 5686327 (1997-11-01), Park
patent: 5686347 (1997-11-01), Yang
patent: 5747372 (1998-05-01), Lim
Chang Joni
United Microelectronics Corp.
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