Secondary cell protection circuit device and secondary cell assembly
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United States of America Patent
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Mar 30, 2004
Grant Date -
N/A
app pub date -
Mar 21, 2001
filing date -
May 18, 1998
priority date (Note) -
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Abstract
A PTC device formed integrally on a PCB substrate, such a PCB substrate, a secondary battery protection circuit device comprising such PCB substrate provided with a circuit to control the voltage and current of secondary batteries, and a secondary battery assembly provided with said device. A PCB substrate 1 is provided with an electronic component 2 and a PTC device 3. The PTC device 3 has a construction having a PTC material 6 in the center, which is provided with foils 7, 7' made of nickel foil on its top and bottom; an outlet electrode 4 is provided on the foil 7, and an outlet electrode 5, provided on the PCB substrate, is soldered below.
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