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:
May. 31, 2022
Filed:
Aug. 11, 2020
Mpi Corporation, Chu-Pei, TW;
Chin-Tien Yang, Chu-Pei, TW;
Hui-Pin Yang, Chu-Pei, TW;
Shang-Jung Hsieh, Chu-Pei, TW;
Tsung-Yi Chen, Chu-Pei, TW;
Yu-Hao Chen, Chu-Pei, TW;
Jhin-Ying Lyu, Chu-Pei, TW;
MPI CORPORATION, Chu-Pei, TW;
Abstract
A probe head includes a probe seat having upper, middle and lower dies, an electrically conductive layer inside the probe seat, a first spring probe penetrating through the probe seat, and at least two shorter second spring probes penetrating through the lower die in a way that top ends of the second spring probes are located inside the probe seat and abutted against the electrically conductive layer. Another probe head includes the aforesaid probe seat, an electrically conductive layer partially inside the probe seat and partially outside the probe seat, a first spring probe penetrating through the probe seat, and a shorter second spring probe penetrating through the lower die in a way that a top end of the second spring probe is located inside the probe seat and abutted against the electrically conductive layer. As such, fine pitch requirement and different high frequency testing requirements are fulfilled.