Contact device for electrical test
AssigneeIsc Co., Ltd.
InventorYoung Bae Chung
Life of this patent
Estimating the term…
Abstract
The disclosure includes a contact device for electrical test, the contact device for electrical test including a second body portion, a first body portion stacked above the second body portion, a middle portion stacked above the first body portion, and having a first protrusion that is sharp and has a first apex portion, the first protrusion being formed on an upper side of the middle portion, and the first body portion, the middle portion, and the contact portion are sequentially and upwardly stacked, the middle portion and the contact portion include materials different from each other, and a first protrusion is provided inside the second protrusion.
Claims18
A contact device for electrical test, which is used for a test socket as at least a part of the contact device for testing is inserted in an inner space formed in a pipe, the contact device for testing comprising:
- a second body portion having a polygonal or circular column shape and including conductive material;
- a first body portion stacked above the second body portion, integrally formed with the second body portion, and having a polygonal or circular column shape, and including conductive material;
- a middle portion stacked above the first body portion, integrally formed with the first body portion, and comprising a middle plate having a polygonal or circular plate shape and a first protrusion that is sharp and has a first apex portion, the first protrusion being formed on an upper side of the middle plate;
- and
- a contact portion formed on an upper surface of the middle portion integrally with the middle portion and comprising a hollow rim portion which connects to a rim of the middle plate and a second protrusion which extends from an inner circumferential surface of the hollow rim portion, the second protrusion having a height increasing in a direction perpendicular to the upper surface of the middle portion along an appearance of the first protrusion, provided at a position corresponding to the first protrusion, and comprising a second apex portion formed therein,
- wherein the middle plate and the first protrusion are formed integrally, and the hollow rim portion and the second protrusion are formed integrally,
- wherein the second body portion, the first body portion, the middle portion, and the contact portion are sequentially and upwardly stacked,
- the middle portion and the contact portion comprise materials different from each other, and
- the first protrusion is provided inside the second protrusion.
A contact device for electrical test, which is used for a test socket as at least a part of the contact device for electrical test is inserted in an inner space formed in a pipe, the contact device for electrical test comprising:
- a second body portion having a polygonal or circular column shape and including conductive material;
- a first body portion stacked above the second body portion, integrally formed with the second body portion, and having a polygonal or circular column shape, and including conductive material;
- a middle portion stacked above the first body portion, integrally formed with the first body portion, and comprising a middle plate having a polygonal or circular plate shape and a first protrusion that is sharp and has a first apex portion, the first protrusion being formed on an upper side of the middle plate;
- and
- a contact portion formed on an upper surface of the middle portion integrally with the middle portion and comprising a hollow rim portion which connects to a rim of the middle plate and a second protrusion which extends from an inner circumferential surface of the hollow rim portion, the second protrusion having a height increasing in a direction perpendicular to the upper surface of the middle portion along an appearance of the first protrusion, provided at a position corresponding to the first protrusion, and comprising a second apex portion formed therein,
- wherein the middle plate and the first protrusion are formed integrally, and the hollow rim portion and the second protrusion are formed integrally,
- wherein the second body portion, the first body portion, the middle portion, and the contact portion are manufactured by a micro electro mechanical system (MEMS) process, in which a resist pattern is formed on a substrate and then the resist pattern is filled with a conductive material, and
- the first protrusion is provided inside the second protrusion.
Dependencies are inferred from the claim text.