Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2006-11-28
2006-11-28
Ryan, Patrick Joseph (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S006000, C429S006000, C429S010000
Reexamination Certificate
active
07141325
ABSTRACT:
A power system with a fuel cell array is integrated with power, conversion and control circuitry forming an assembly on a single chip. The power system may include mounted discrete components or flip chips. The power transistors may be built with contacts on both top and bottom of the chip, where the large area on the bottom allows for high power dissipation and current densities. Electrical connections are made between the components by etched runs or integrated layers, as is typically found in integrated circuits. The control functions include controlling the gas flowing in the fuel cell channels in response to the power supplied. Temperature and pressure may be measured and used to optimize the power system operation.
REFERENCES:
patent: 6312846 (2001-11-01), Marsh
patent: 6387556 (2002-05-01), Fuglevand et al.
patent: 2003/0170515 (2003-09-01), Wang et al.
“Micro-Fuel Cells Could Revolutionize Cars, Computers”, in Environmental News Service, May 1, 2000.
International Search Report for Related PCT Application No. PCT/US03/38112.
Cesari and McKenna LLP
Fairchild Semiconductor Corporation
Parsons Thomas H.
Paul, Esq. Edwin H.
Ryan Patrick Joseph
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