| 摘要 |
PROBLEM TO BE SOLVED: To provide a battery in a case capable of an easier-to-read information display by displaying informations on the battery with emphasis according to the order of importance using two or more colors in a comparatively simple method. SOLUTION: A two-color display is made of a brown color (or a black color) and a white color using laser beam trace color for each material (resin and aluminum) by a laser mark 10a of the surface of a top lid 10 and a laser mark 20a of the surface of an outer package can 21 exposed from a window 11 of the top lid 10, with the use of the window 11 of the top lid 10. COPYRIGHT: (C)2003,JPO
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