Incorporation of isolation resistor(s) into probes using...

Details Incorporation of isolation resistor(s) into probes using... Incorporation of isolation resistor(s) into probes using...

2007-02-27

2007-02-27

Nguyen, Ha Tran (Department: 2829)

Electricity: measuring and testing

Fault detecting in electric circuits and of electric components

Of individual circuit component or element

Reexamination Certificate

active

10918285

ABSTRACT:
An isolation resistor is incorporated into the plunger of a probe tip spring pin by, for example, doping a ceramic that is used to form the plunger, or forming the plunger of first and second electrically coupled materials, at least a first of which has a resistivity sufficient to serve as an isolation resistor. Alternately, an isolation resistor is embedded in a printed circuit board trace that is used to couple either an upper or lower blind plated hole to a via. A probe tip spring pin is then inserted into the upper blind plated hole.

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Brent A. Holcombe, et al., Connector-Less Probe, U.S. Appl. No. 10/373,820, filed Feb. 25, 2003.
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