probe

Abstract

The probe comprises: a front end portion including a protrusion; a first arm and a second arm, one end of which is connected to the front end portion; and a base end portion connecting the other end of the first arm and the second arm. The first arm is bent in a manner without extrema, and one end of it forms an acute angle with the protruding direction of the protrusion 11 and is connected to the front end portion. The second arm, viewed from the first arm, is positioned in the opposite direction of the protruding direction and includes a portion bent in the opposite direction of the protruding direction, is isolated from the first arm, and is connected to the front end portion and the base end portion. The angle between the portion of the first arm connected to the base end portion and the protruding direction is larger than the angle between the portion of the first arm connected to the front end portion and the protruding direction. none

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