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US 6,656,627 B2Granted
Battery pack
AssigneeRohm Co., Ltd.
InventorsEizi Yokoyama, Hitoshi Kobayashi, Kenjiro Yamasaki
Life of this patent
Estimating the term…
Abstract
A battery pack includes a vessel 2, a battery mounted in the vessel 2 and a circuit board 3 connected to the battery. An opening 6 is formed on the surface of the vessel 2. A thin-film terminal portion 12 is formed on the circuit board 3 so that it is exposed externally through the opening 6. In this configuration, the battery pack can realize reduction in the weight and thickness and also reduce the production cost.
Claims3
A battery pack comprising:
- a vessel;
- a battery mounted in the vessels;
- and
- a circuit board connected to the battery;
- wherein an opening is formed on the surface of the vessel and a thin-film terminal portion is formed on the surface of the circuit board so that it is exposed externally through the opening and said terminal portion includes a base layer formed on said circuit board and a plated layer formed on said base layer, and said plated layer is made of sold,
- wherein on said circuit board, an insulating layer is formed in the other area than the area where said terminal portion is formed, and said insulating layer is formed so as to cover the peripheral edge of said plated layer so that the surface of said circuit board and/or the surface area of the base layer are not exposed externally.
3 more elements
Dependencies are inferred from the claim text.