Patent ID: 9134346
Filing Date: 2015-09-15
Classification: G01R,Y10T

Abstract:
1. A method of making a contact probe used for measuring and evaluating a high speed and high frequency characteristic of a measuring object, said method comprising: a step of making a first printed wiring board having a signal electrode and a ground electrode used as a contact part of the contact probe with respect to the measuring object, in which the signal electrode and the ground electrode are formed of a metal wiring pattern; a step of making a second printed wiring board, separate from the first printed wiring board, with a coaxial line structure having a shield electrode which encloses a signal line and the surroundings of said signal line through an insulating layer; and a step of electrically connecting the signal line of said second printed wiring board to the signal electrode of said first printed wiring board, and electrically connecting the shield electrode of said second printed wiring board to the ground electrode of said first printed wiring board.