Probe Needle and Probe Module Using the Same

摘要

A probe needle includes a head, a tail and a body connected between the head and the tail and provided with a first flat section curvedly extending from the head towards the tail for providing sufficient deformation when the tail is pressed on a device under test, and a second flat section neighbored to the first flat section for supporting the probe needle in between upper and lower dies. When the probe needles are used in a probe module, the probe needles can be arranged with a pitch same as that of the conventional probe needles even though the probe needles are formed from posts having a relatively greater diameter than that of the posts for making the conventional probe needles, such that the probe needles may have enhanced current withstanding capacity and prolonged lifespan.

主权项

1. A probe needle comprising a head, a tail and a body connected between the head and the tail, the probe needle being characterized in that the body includes a first flat section curvedly extending from the head towards the tail and having a constant width, and a second flat section connected with an end of the first flat section; the width of the first flat section being greater than a thickness of the second flat section, a diameter of the head and a diameter of the tail; the first flat section having a thickness smaller than a width of the second flat section, the diameter of the head and the diameter of the tail; the width of the second flat section being greater than the thickness of the first flat section, the diameter of the head and the diameter of the tail; the width of the second flat section extending in a first direction and the width of the first flat section extending in a second direction in a way that the first direction is not parallel to the second direction when the first and second directions are projected on a horizontal plane.