Method for making a thin flexible primary battery for microelect

Details Method for making a thin flexible primary battery for microelect Method for making a thin flexible primary battery for microelect

1994-10-26

1996-09-24

Kalafut, Stephen

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Tape or flexible-type cell including tape fuel cells or...

429234, 296234, 296235, H01M 470

Patent

active

055589570

ABSTRACT:
A method is provided for making a flexible primary battery suitable for microelectronics applications, and more particularly, for use with self-contained self-powered portable devices (SSPD) such as RF-ID tags. The method generally employs photolithography and etching techniques to minimize the thicknesses of metal foils required in the structure of the battery, as well as packaging methods which yield a flexible and durable battery having a thickness of not more than about 0.5 millimeter, and preferably about 0.3 millimeter or less, and a relatively small size on the order of a few square centimeters in surface area.

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