The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 07, 2026
Filed:
Feb. 02, 2023
Johnstech International Corporation, Minneapolis, MN (US);
Valts Treibergs, White Bear Township, MN (US);
Johnstech International Corporation, Minneapolis, MN (US);
Abstract
A spring probe assembly for a Kelvin testing system for testing integrated circuit devices is disclosed. The assembly includes a force spring probe and a sense spring probe. Each of the force spring probe and the sense spring probe includes a head; a body containing at least one resilient element; and a bottom. The body has a cylindrical shape, and the head and the body have a same diameter in an end view. The head includes a base and a top integrated with the base. The base has a cylindrical shape. The head includes a shoulder between the base and the top. The top includes an apex. The force spring probe and the sense spring probe are disposed so that the apexes of the force spring probe and the sense spring probe are adjacent to each other.