Abstract: An electrical test contact electrically connects a test terminal of an Integrated Circuit (IC) test assembly with an IC terminal of an IC device in an electrical interconnect assembly. The test contact is formed of electrically conductive material and includes a head portion and a foot portion. The head portion includes a first electrical contacting portion for electrically engaging an IC terminal of an IC device during use, and the foot portion includes a second electrical contacting portion for electrically engaging a test terminal of a test assembly during use. The head portion includes a head receiving portion that receives a first resiliently biasing member to retain the first resiliently biasing member in contact with the test contact. The first resiliently biasing member biases the first electrical contacting portion against the IC terminal of the IC device during use. An electrical interconnect assembly having multiple test contacts is also disclosed.
Type:
Grant
Filed:
May 27, 2011
Date of Patent:
February 10, 2015
Assignee:
JF Microtechnology Sdn. Bhd.
Inventors:
Wei Kuong Foong, Kok Sing Goh, Shamal Mundiyath, Eng Kiat Lee
Abstract: A ground electrical contact for an integrated circuit (IC) testing apparatus that comprises: a rigid bottom member having two planar surfaces that slope towards each other, so that the bottom member forms a partial wedge shape with the top end of the wedge being narrower than the bottom end; a flexible top member having two arms extending over said bottom member such that the top member forms an inverted U-shape, said two arms having an inwards bias such that an inner surface of each arm is pressed in contact with each planar surface; and a compressible member located between the narrower end of said bottom member and a bifurcation inner surface, which is an inner surface where the two arms bifurcate in the top member. The bottom member and top member are made of an electrically conductive material.
Abstract: A chip testing solution having two separate contacts: one to provide current and one to measure voltage. One contact acts as the force and other as sense, and with its unique short wipe stroke technology enables the electrical connection from the contact terminal of the device under test (DUT) to the loadboard without fail even after prolonged insertion/testing of the devices. The two contacts are in close proximity, but electrically isolated from each other. Each contact is made to electrically touch a single conductive lead/pad on the DUT thus forming a test connection. The two contacts; one on front and other on back, wiping on the lead/pads will generally be a “sense” probe, and a “force” used for making a Kelvin connection. The short contact is connected to the loadboard by means of an additional contact known as “interposer” extending through and top of the tall contact base body.