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.

Abstract: This invention intends to improve the productivity and quality and reduce the production cost by adopting the same structure for the connector as that of the wiring board. A connector-equipped wiring board (A), wherein a connector (30) connected to a wiring board (10) with an electronic component (C) mounted thereon through a flexible wiring plate (20) can be routed to the wiring board (10), characterized in that said connector (30) is formed of the same board as the wiring board (10) is formed, and has an exposed terminal pattern (31) formed on its surface and electrically connected to said flexible wiring plate (20).

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.

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.

Abstract: Disclosed herein is a process for producing highly pure rhamnose from gum arabic, which the process comprises after partially hydrolyzing gum arabic in an aqueous solution of a mineral acid, neutralyzing and condensing the liquid hydrolyzate, thereby obtaining an aqueous solution containing from 40 to 70% by weight of organic substances, adding a polar organic solvent in an amount of from 5 to 20 times by volume of the amount of the aqueous solution, thereby precipitating an insolubilized substance, removing the insolubilized substance from a mixture of the aqueous solution and the polar organic solvent, removing the polar organic solvent from the mixture, thereby obtaining an aqueous solution containing monosaccharides formed by the hydrolysis of gum arabic, and subjecting the thus obtained aqueous solution to strongly cationic ion-exchanging resin-chromatography and then to a method of adsorption and separation by using activated carbon, thereby obtaining the highly pure rhamnose from the aqueous solution.