Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Plural cells
Reexamination Certificate
2000-03-07
2003-04-15
Chaney, Carol (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Plural cells
C429S157000, C429S162000
Reexamination Certificate
active
06548207
ABSTRACT:
TECHNICAL FIELD
This invention relates to thin-profile battery circuits and constructions, and in particular to button-type battery circuits and constructions. The invention also relates to methods of forming such circuits and constructions.
BACKGROUND OF THE INVENTION
Thin-profile batteries comprise batteries that have thickness dimensions which are less than a maximum linear dimension of its anode or cathode. One type of thin-profile battery is a button-type battery. Such batteries, because of their compact size, permit electronic devices to be built which themselves are very small or compact. Yet in some electronic devices it is desirable to provide higher voltages and/or longer battery lifetimes than single thin-profile or button-type batteries permit.
This invention arose out of concerns associated with providing thin-profile battery circuits and constructions, and in particular button-type battery circuits and constructions which have enhanced power production capabilities and/or battery lifetimes. This invention also arose out of concerns associated with providing circuits and constructions which utilize more than one battery and which minimize the impact such circuits and constructions have on overall device dimensions. This invention also arose out of concerns associated with providing methods of forming such circuits and constructions.
SUMMARY OF THE INVENTION
Thin-profile battery circuits and constructions, and in particular button-type battery circuits and constructions and methods of forming the same are described. In one implementation, a substrate is provided having an outer surface with a pair of spaced electrical contact pads thereon. At least two thin-profile batteries are conductively bonded together in a stack having a lowermost battery and an uppermost battery. The batteries include respective positive and negative terminals. The lowermost battery has one of its positive or negative terminals adhesively bonded to one of the pair of electrical contact pads while the uppermost battery has one of its positive or negative terminals electrically connected to the other of the pair of electrical contact pads. The batteries can be provided into parallel or series electrical connections.
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Merriam Webster's Collegiate dictionary—Tenth Edition, ©1996, pp. 244, 245, 266 and 1174 (4 pages).
Chaney Carol
Dove Tracy
Micro)n Technology, Inc.
Wells St. John P.S.
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