Electricity: measuring and testing – Fault detecting in electric circuits and of electric components – Of individual circuit component or element
Reexamination Certificate
2008-09-02
2008-09-02
Benson, Walter (Department: 2829)
Electricity: measuring and testing
Fault detecting in electric circuits and of electric components
Of individual circuit component or element
Reexamination Certificate
active
11644974
ABSTRACT:
An insulative block has a first face adapted to oppose a board on which an inspection circuit is arranged and a second face adapted to oppose a device to be inspected. The insulative block is formed with through holes each of which communicates the first face and the second face. A conductive plating layer is formed on the first face, the second face, and an inner face of at least one of the through holes. Each of contact probes includes a conductive tubular body held in an associated one of the through holes and a plunger which is retractably projected from one end of the tubular body and is adapted to come in contact with a terminal of the device. The contact probes includes a first group of contact probes adapted to come in contact with terminals of a first circuit in the device, and a second group of contact probes adapted to come in contact with terminals of a second circuit in the device. The plating layer is divided by a groove into a first region including the first group of the contact probes and a second region including the second group of the contact probes, so that the first region and the second region are electrically insulated from one another.
REFERENCES:
patent: 4724180 (1988-02-01), Kern
patent: 6953348 (2005-10-01), Yanagisawa et al.
patent: A-2001-99889 (2001-04-01), None
Benson Walter
Campbell Shaun
Morgan & Lewis & Bockius, LLP
Yokowo Co., Ltd.
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