| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a lead member securely joining terminal portions made from different materials, and preventing the increase of thickness or level difference at a joint part; and a manufacturing method of the lead member. <P>SOLUTION: In a lead member 10, a first terminal portion 11 and a second terminal portion 12 which have plane surface shapes are joined with each other. In the first terminal portion 11, at least a joint surface 11a with the second terminal portion 12 is made by aluminum, and in the second terminal portion 12, at least a joint surface 12a with the first terminal portion 11 is made by nickel. The first terminal portion 11 and the second terminal portion 12 are confronted each other in the same plane surface, and the confronting part A is laser-welded. <P>COPYRIGHT: (C)2012,JPO&INPIT |
