Electric power conversion systems – Current conversion – With conductive support mounting
Reexamination Certificate
2006-02-14
2006-02-14
Berhane, Adolf (Department: 2838)
Electric power conversion systems
Current conversion
With conductive support mounting
Reexamination Certificate
active
06999330
ABSTRACT:
A second wiring layer362of a multilayer wiring board constituting a power converter is provided with a first positive side direct current wiring311pand a second positive side direct current wiring312pconstituting a direct current bus300p. The first positive side direct current wiring311pand the second positive side direct current wiring312pas well as a negative side direct current wiring are provided with a bent structure for making a transmission path length on one side in a direct current transmitting direction shorter than a transmission path length on other side thereof. Line widths of the first positive side direct current wiring311pand the second positive side direct current wiring312pare set to a width equal to or larger than a width by which a damping factor of a noise current in the direct current transmitting direction becomes substantially a constant value.
REFERENCES:
patent: 6246182 (2001-06-01), Yamasaki et al.
patent: 6344667 (2002-02-01), Miyagi
patent: 6396721 (2002-05-01), Sonoda et al.
patent: 6429701 (2002-08-01), Karaki et al.
patent: 6683260 (2004-01-01), Shimamoto et al.
patent: 3432505 (2003-05-01), None
Berhane Adolf
Keio University
Sughrue & Mion, PLLC
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