Magnetic induction coil for semiconductor devices

Details Magnetic induction coil for semiconductor devices Magnetic induction coil for semiconductor devices

1995-08-07

1996-05-21

Ledynh, Bot L.

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

336 65, 336208, 361760, H05K 702, H01F 2706, H01F 2730

Patent

active

055195822

ABSTRACT:
A magnetic induction coil is mounted directly on and integrated with a semiconductor wafer containing integrated circuitry for a stable power source. Grooves are etched in the reverse face of the wafer substrate, an insulating film is applied, and conducting material fills the grooves, forming the coil. The coil conductors are connected with wiring conductors from the opposite side through protruding electrodes.

REFERENCES:
patent: 3290758 (1966-12-01), Moyer
patent: 3305814 (1967-02-01), Moyer
patent: 5111169 (1992-05-01), Ikeda
"High-Frequency Operation of a Planar-Type Microtransformer and Its Application to Multilayered Switching Regulators", Yamasawa et al., IEEE Transactions on Magnetics 26(3):1204-1209 May 1990.
"A New Planar Microtransformer For Use In Micro-Switching-Converters", T. Yachi, et al, IEEE 1991 pp. 20-26, 1991.

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