US 2019/0195911 A1Published application

Electrical probe

AssigneeChroma Ate Inc.

InventorsHsu-Chang HSU, Kuo-Yen HSU, Chuan-Tse LIN

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Abstract

An electrical probe includes a probe assembly and a second electrical connection member. The probe assembly includes a needle cylinder, a first electrical connection member, a probe head and a sub-probe. The first electrical connection member and the probe head locate to two opposite sides of the needle cylinder. The first electrical connection member and the probe head electrically connect the needle cylinder. The sub-probe penetrates the probe head, and plugs the needle cylinder to electrically connect a cable but being electrically isolated from the needle cylinder. The sub-probe is located on a side away from the first electrical connection member. When the probe head depresses the object, the needle cylinder drives the first cylinder to a contact position to allow the first electrical connection member to electrically contact the second electrical connection member, and thus the probe head connects the second electrical connection member via the needle cylinder.

Claims10

Dependent claims

An electrical probe, mounted on a base plate and electrically coupled with a cable, being to measure electric properties of an object to be tested, comprising:

a probe assembly, including:
a needle cylinder, movably penetrating the base plate, having a wiring aperture for the cable to pass through;
a first electrical connection member, furnished to and electrically coupled with the needle cylinder;
a probe head, mounted at an end of the needle cylinder away from the first electrical connection member, electrically coupled with the needle cylinder, being to depress the object to be tested;
and
a sub-probe, penetrating the probe head and plugging the needle cylinder, electrically coupled with the cable but electrically isolated from the needle cylinder, located at a side of the needle cylinder away from the first electrical connection member;
and
a second electrical connection member for contacting the first electrical connection member;
wherein, when the probe head depresses the object to be tested so as to move the first electrical connection member from a separation position to a contact position, the first electrical connection member contacts the second electrical connection member, so that the probe head electrically couples with the second electrical connection member via the needle cylinder and the first electrical connection member.

6 more elements

Dependencies are inferred from the claim text.