High-frequency cobra probe
First Claim
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1. A test device, comprisinga conductive upper plate having an upper guide hole;
- a conductive lower plate having a lower guide hole;
a conductive cobra probe disposed between the upper guide hole of the upper plate and the lower guide hole of the lower plate;
one or more dummy probes flanking the cobra probe; and
a dielectric material insulating the cobra probe from the upper plate and the lower plate,wherein;
a lower end of the one or more dummy probes is contacting an interior surface of the lower plate;
the lower plate is connected to an electrical ground; and
an upper end of the one or more dummy probes is electrically grounded.
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Abstract
A test device including cobra probes and a method of manufacturing is disclosed. The test device includes a conductive upper plate having an upper guide hole and a conductive lower plate having a lower guide hole. The test device also includes a conductive cobra probe disposed between the upper guide hole of the upper plate and the lower guide hole of the lower plate. A dielectric material insulates the cobra probe from the upper plate and the lower plate.
23 Citations
13 Claims
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1. A test device, comprising
a conductive upper plate having an upper guide hole; -
a conductive lower plate having a lower guide hole; a conductive cobra probe disposed between the upper guide hole of the upper plate and the lower guide hole of the lower plate; one or more dummy probes flanking the cobra probe; and a dielectric material insulating the cobra probe from the upper plate and the lower plate, wherein; a lower end of the one or more dummy probes is contacting an interior surface of the lower plate; the lower plate is connected to an electrical ground; and an upper end of the one or more dummy probes is electrically grounded. - View Dependent Claims (2, 3, 4)
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5. A test device comprising
an upper plate having an upper guide hole; -
a lower plate having a lower guide hole; a conductive cobra probe disposed between the upper guide hole of the upper plate and the lower guide hole of the lower plate; and one or more dummy probes disposed between the upper plate and the lower plate flanking the cobra probe, wherein; the upper plate and the lower plate are comprised of a dielectric material; a lower end of the one or more dummy probes contact a conductive plate mounted on the lower plate; and the conductive plate is on an interior of the lower plate and is connected to a ground plane disposed on an opposite surface of the lower plate by at least one conductive via through the lower plate. - View Dependent Claims (6, 7, 8, 9)
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10. A method of forming a test device, comprising:
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arranging a conductive cobra probe between an upper guide hole of an upper plate and a lower guide hole of a lower plate connected to an electrical ground; insulating the cobra probe from the upper plate and the lower plate using a dielectric material; and providing one or more dummy probes flanking the cobra probe, wherein the one or more dummy probes are provided such that a lower end of the one or more dummy probes is contacting an interior surface of the lower plate, and an upper end of the one or more dummy probes is electrically grounded. - View Dependent Claims (11, 12, 13)
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Specification