| 摘要 |
<p>An ultrasonic horn used in a wire bonding apparatus and includes a horn main body that has a capillary, which is at one end of the horn main body and through which a wire is passed, and a vibrator, which is at another end of the horn main body; and the horn main body being formed with at least two grooves that extends along the central axis of the horn main body. The cross-sectional shape of the portion of the horn main body where the grooves are formed is, for instance, left-right symmetry, top-bottom symmetry, or left-right and top-bottom symmetry; and the cross section of the portion of the horn main body where the grooves are formed, for instance, a cruciform shape, X shape, Y shape or H shape.</p> |
