HIGH ESD IMMUNITY FIELD-EFFECT DEVICE AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20240088135A1

    公开(公告)日:2024-03-14

    申请号:US18513254

    申请日:2023-11-17

    发明人: Yu-Hung YEH

    IPC分类号: H01L27/02 H02H9/04

    摘要: An apparatus for providing electrostatic discharge (ESD) immunity and a method for fabricating the same are disclosed herein. The apparatus comprises a field effect transistor (FET) formed on a semiconductor substrate in a front-end-of-line (FEOL) layer during an FEOL process, a metal interconnect layer formed on top of the FEOL layer during a back-end-of-line (BEOL) process, wherein the metal interconnect layer comprises a plurality interconnects configured to interconnect the FET to a plurality of components formed on the semiconductor substrate, a power delivery network (PDN) formed under the semiconductor substrate in a backside layer during a backside back-end-of-line (B-BEOL) process, and a through substrate resistive component formed between the FEOL and B-BEOL layers, wherein a first contact of the through substrate resistive component is connected to a drain terminal of the FET and second contact is connected, through the PDN, to a power supply rail.

    HIGH ESD IMMUNITY FIELD-EFFECT DEVICE AND MANUFACTURING METHOD THEREOF

    公开(公告)号:US20220285338A1

    公开(公告)日:2022-09-08

    申请号:US17191496

    申请日:2021-03-03

    发明人: Yu-Hung YEH

    IPC分类号: H01L27/02 H02H9/04

    摘要: An apparatus for providing electrostatic discharge (ESD) immunity and a method for fabricating the same are disclosed herein. The apparatus comprises a field effect transistor (FET) formed on a semiconductor substrate in a front-end-of-line (FEOL) layer during an FEOL process, a metal interconnect layer formed on top of the FEOL layer during a back-end-of-line (BEOL) process, wherein the metal interconnect layer comprises a plurality interconnects configured to interconnect the FET to a plurality of components formed on the semiconductor substrate, a power delivery network (PDN) formed under the semiconductor substrate in a backside layer during a backside back-end-of-line (B-BEOL) process, and a through substrate resistive component formed between the FEOL and B-BEOL layers, wherein a first contact of the through substrate resistive component is connected to a drain terminal of the FET and second contact is connected, through the PDN, to a power supply rail.

    ELECTRICAL PASSIVE ELEMENTS OF AN ESD POWER CLAMP IN A BACKSIDE BACK END OF LINE (B-BEOL) PROCESS

    公开(公告)号:US20220320075A1

    公开(公告)日:2022-10-06

    申请号:US17219495

    申请日:2021-03-31

    摘要: An electrostatic discharge (ESD) protection apparatus and method for fabricating the same are disclosed herein. In some embodiments, the ESD protection apparatus, comprises: a plurality of transistors patterned on a semiconductor substrate during a front-end-of-line (FEOL) process, metal interconnects formed on top of the plurality of transistors during a back-end-of-line (BEOL) process and configured to interconnect the plurality of transistors, and a plurality of passive components formed under the semiconductor substrate in a backside layer during a backside a back-end-of-line (B-BEOL) process, wherein the plurality of passive components are connected to the plurality of transistors through a plurality of vias.