US Patent No. 10,973,123

EXPANSION CARD INTERFACES FOR HIGH-FREQUENCY SIGNALS AND METHODS OF MAKING THE SAME


Patent No. 10,973,123
Issue Date April 06, 2021
Title Expansion Card Interfaces For High-frequency Signals And Methods Of Making The Same
Inventorship Che-Wei Chang, Taoyuan (TW)
Cheng-Hsien Lee, Taoyuan (TW)
Assignee QUANTA COMPUTER INC., Taoyuan (TW)

Claim of US Patent No. 10,973,123

1. A method of forming an expansion card interface for a printed circuit board, the method comprising:forming electrical pads of the expansion card interface on a substrate, the forming including forming at least one electrical pad to include a narrow portion and a wide portion; and
dividing the at least one electrical pad into a first portion and a second portion, with the first portion conductively coupled to a circuit on the printed circuit board, the second portion conductively isolated from the first portion, and the first portion having the wide portion and at least a length of the narrow portion.