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:
Jul. 06, 2021
Filed:
Dec. 11, 2019
Aac Technologies Pte. Ltd., Singapore, SG;
Jianchun Mai, Shenzhen, CN;
AAC Technologies Pte. Ltd., Singapore, SG;
Abstract
The present invention provides a millimeter wave LTCC filter including system ground layers, metallized vias, perturbation grounding posts, first and second probes, two adjacent layers of the system ground layers define one closed resonant cavity, each closed resonant cavity is provided with a plurality of metallized vias, the metallized vias of different closed resonant cavities form concentric hole structures, the perturbation grounding posts include first perturbation grounding posts penetrating a second closed resonant cavity and second perturbation grounding posts penetrating a third closed resonant cavity, the first perturbation grounding posts respectively face right to the second perturbation grounding posts, one end of the first probe is inserted into the first closed resonant cavity and electrically connected with the first system ground layer, and the second probe is arranged symmetrically with the first probe and inserted into the fourth closed resonant cavity and electrically connected with the second system ground layer.