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. 10, 2007
Filed:
Jan. 14, 2005
Jimmy Hsu, Taipei Hsien, TW;
Jimmy Hsu, Taipei Hsien, TW;
Via Technologies, Inc., Taipei Hsien, TW;
Abstract
A signal transmission structure including a signal line, a first reference plane with a first opening, and a second reference plane with a second opening is provided. The first reference plane is disposed beside the signal line, and a portion of the signal line passes through a position of the first opening. In addition, the second reference plane is disposed beside the first reference plane, and the second opening is in a position corresponding to the position of the first opening, while the outline of the second opening projected onto the first reference plane does not overlap with the position of the first opening. Therefore, at high frequency-transmission, the above structure can reduce the insertion loss resulted from impedance mismatch as the signal passes through the opening, and reduce the resonance induced by the coupling between two reference planes to enhance the quality of signal transmission.