| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a manufacturing method of a guide wire satisfying the operability and the strength by taperedly etching a core material by chemical etching. <P>SOLUTION: This manufacturing method of the guide wire includes a step where a coil made of a metallic material and a core material 11 of a metallic wire are welded with a laser, and by the control of a time of dipping the core material 11 in etching solution 16, the tip portion of the core material 11 is worked into a tapered shape. <P>COPYRIGHT: (C)2009,JPO&INPIT |
