Probe head with linear probe

A probe head comprising:

• a linear probe comprising a tail portion, a body portion and a head portion extending along a longitudinal axis in order, at least one of the tail portion, the body portion and the head portion being flattened and thereby defined with a first width axis perpendicular to the longitudinal axis and a second width axis perpendicular to the longitudinal axis and the first width axis, each of the tail portion, the body portion and the head portion being defined with a first width along the first width axis and a second width along the second width axis, the first width and the second width of the body portion being respectively larger than and smaller than the first width and the second width of at least one of the tail portion and the head portion;
• a lower die unit having a lower installation hole, the head portion of the linear probe being inserted through the lower installation hole, the lower installation hole being defined with a first central axis;
• and
• an upper die unit having an upper installation hole, the tail portion of the linear probe being inserted through the upper installation hole, the upper installation hole being defined with a second central axis, the second central axis being offset from the first central axis along the second width axis and thereby the body portion of the linear probe is curved, the upper die unit comprising a first upper die and a second upper die, the first upper die having a first through hole for the tail portion, the body portion and the head portion of the linear probe to be inserted therethrough, the second upper die having a second through hole for the tail portion, the body portion and the head portion of the linear probe to be inserted therethrough, the first through hole and the second through hole being offset from each other along the first width axis to collectively form the upper installation hole.