PIN diode adopting arc-shaped gradual change tube core

• Main Authors: WANG XUEPENG, WANG CHUJUN, WANG WEIBO, JI DONGFENG, YAN JUNDA, TAO HONGQI
• Format: Patent
• Language: Chinese; English
• Published: 03.02.2023
• Subjects: BASIC ELECTRIC ELEMENTS; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; SEMICONDUCTOR DEVICES

The invention discloses a PIN diode adopting an arc-shaped gradual change tube core, which comprises a substrate and a diode packaging structure, and is characterized in that the diode packaging structure is arranged on the substrate; the diode packaging structure comprises a first anode metal plate, an anode air bridge, a tube core, a cathode metal plate and an N-type highly-doped layer, wherein the first anode metal plate is connected with a second anode metal plate through the anode air bridge; the tube core comprises second anode metal, a P-type highly-doped layer and a semiconductor I layer, and the second anode metal plate is in contact with the P-type highly-doped layer to form an anode ohmic contact electrode; the cathode metal plate is in contact with the N-type highly doped layer to form a cathode ohmic contact electrode; the P-type highly-doped layer is arranged right below the second anode metal plate, and the semiconductor I layer is arranged between the P-type highly-doped layer and the N-type h