Microminiature power converter

Details Microminiature power converter Microminiature power converter

2005-08-16

2005-08-16

Donovan, Lincoln (Department: 2832)

Inductor devices

Coil or coil turn supports or spacers

Printed circuit-type coil

C336S223000, C336S232000, C336S192000, C336S198000, C333S181000, C333S184000

Reexamination Certificate

active

06930584

ABSTRACT:
A microminiature power converter includes a semiconductor substrate on which a semiconductor integrated circuit is formed, a thin film magnetic induction element, and a capacitor. The thin film magnetic induction element includes a magnetic insulating substrate, and a solenoid coil conductor in which a first conductor is formed on a first principal plane of the magnetic insulating substrate, a second conductor is formed on a second principal plane of the magnetic insulating substrate, and a connection conductor is formed in a through hole passing through the magnetic insulating substrate are connected. A relationship of a length L of the magnetic insulating substrate in a direction vertical to a magnetic field generated by the solenoid coil and a length d of the coil conductor is d≧L/2.

REFERENCES:
patent: 5583424 (1996-12-01), Sato et al.
patent: 5694030 (1997-12-01), Sato et al.
patent: 6144269 (2000-11-01), Okamoto et al.
patent: 6317965 (2001-11-01), Okamoto et al.
patent: 2000-216200 (2000-08-01), None
patent: 2001-196542 (2001-07-01), None
patent: 2002-233140 (2002-08-01), None

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