Probe head for electronic devices and corresponding probe card
Abstract:
A probe head for a test equipment of electronic devices comprises a plurality of contact probes inserted in guide holes provided in at least one upper guide and one lower guide, a bending area for the contact probes being defined between the upper and lower guides, each contact probe having at least one first terminal portion which protrudes of a first length from the lower guide and ends with a contact tip (22A) adapted to abut onto a respective contact pad of a device to be tested, as well as a second terminal portion which protrudes of a second length from the upper guide and ends with a contact head adapted to abut onto a contact pad of a board for connecting or interfacing with the test equipment, suitably comprising at least one protection structure projecting from the upper guide in direction of a longitudinal development axis of the contact probes towards the board, the protection structure thus extending in correspondence of the contact heads of the contact probes.
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