The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 06, 2017
Filed:
Apr. 28, 2011
Young Geun Park, Suwon-si, KR;
Young Geun Park, Suwon-si, KR;
M2N INC., Yongin-si, Gyeonggi-Do, KR;
Abstract
There is provided a probe card in contact with pads formed on a plurality of semiconductor dies on a wafer to test the semiconductor dies. The probe card includes a printed circuit board on which a plurality of pads are formed; a block plate having a plurality of grooves and attached to the printed circuit board; a plurality of sub-probe units equipped with a plurality of probe tips in contact with the pads of the semiconductor dies and detachably coupled to the plurality of grooves; and a plurality of interposer/space transformer units interposed between the sub-probe units and the printed circuit board and configured to electrically connect the probe tips to the pads of the printed circuit board and transform a pitch of the pads formed on the printed circuit to a pitch of the plurality of probe tips.