Battery pack and method of producing the same

  • US 6,994,926 B2
  • Filed: 06/21/2001
  • Issued: 02/07/2006
  • Est. Priority Date: 06/22/2000
  • Status: Expired due to Fees
First Claim
Patent Images

1. A battery pack comprising:

  • a battery cell; and

    a protection circuit unit for protecting said battery cell from overcurrent or overheating, wherein;

    said protection circuit unit is an integrated body containing a protection IC and a printed circuit board mounted with a surface-mount type PTC thermistor,a heat conductive member thermally coupling said battery cell and said PTC thermistor member, and said heat conductive member is a soldering metal or a metal alloy whose melting point is 300°

    C. or lower.

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