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    • 4. 发明申请
    • DIODE FOR ELECTROSTATIC PROTECTION
    • 用于静电保护的二极管
    • WO2012057464A3
    • 2012-07-05
    • PCT/KR2011007598
    • 2011-10-13
    • UNIV SOONGSIL RES CONSORTIUMPARK JOON-YOUNGPARK JONG-HOONPARK CHANG-KUN
    • PARK JOON-YOUNGPARK JONG-HOONPARK CHANG-KUN
    • H01L27/04
    • H01L27/0248H01L27/0255H01L29/861
    • The present invention relates to a diode for electrostatic protection formed in an input/output pad on an integrated circuit. According to the present invention, an N-type semiconductor constituting a first diode is connected to a pad for supplying power, a P-type semiconductor constituting the first diode is connected to a signal line, an N-type semiconductor constituting a second diode is connected to the signal line, a P-type semiconductor constituting the second diode is connected to a ground pad, the N-type semiconductor of the first diode and the P-type semiconductor of the second diode are joined together to form a third diode. According to the diode for electrostatic protection, the first and second diodes prevent static electricity generated in the input/output pad from flowing into an internal circuit, and when the static electricity generated in the input/output pad flows to the power supply pad, the third diode is grounded to prevent static electricity from flowing into an internal circuit.
    • 本发明涉及在集成电路上的输入/输出焊盘中形成的用于静电保护的二极管。 根据本发明,构成第一二极管的N型半导体连接到用于供电的焊盘,构成第一二极管的P型半导体连接到信号线,构成第二二极管的N型半导体是 连接到信号线,构成第二二极管的P型半导体连接到接地垫,第一二极管的N型半导体和第二二极管的P型半导体接合在一起以形成第三二极管。 根据用于静电保护的二极管,第一和第二二极管防止在输入/输出焊盘中产生的静电流入内部电路,并且当在输入/输出焊盘中产生的静电流到电源焊盘时, 第三个二极管接地以防止静电流入内部电路。