Multi-channel automatic conversion device for integrated circuit test system

• Main Authors: DING CHAO, ZHANG MINGHU
• Format: Patent
• Language: Chinese; English
• Published: 18.04.2023
• Subjects: MEASURING; MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES; PHYSICS; TESTING

The invention discloses a multichannel automatic switching device for an integrated circuit test system, which comprises a channel switching control board, a data conversion board and a plurality of magnetomotive mechanisms, and is characterized in that each magnetomotive mechanism corresponds to a digital channel of the integrated circuit test system; the magnetic power mechanism comprises a shell and an electromagnetic shielding plate dividing the shell into an upper cavity and a lower cavity, an electromagnet is arranged at the upper end of the upper cavity, one end of the electromagnet is connected with the control end of the channel switching control panel, the other end of the electromagnet is grounded, an insulating rod is arranged below the electromagnetic shielding plate, and a permanent magnet is arranged above the electromagnetic shielding plate. Contacts A and B are arranged on the corresponding magnetic power mechanisms on the data conversion board, the contacts B directly face the digital channe