公开(公告)号：US10056463B2

公开(公告)日：2018-08-21

申请号：US15628592

申请日：2017-06-20

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Su Xing ,  Hsueh-Wen Wang ,  Chien-Yu Ko ,  Yu-Cheng Tung ,  Jen-Yu Wang ,  Cheng-Tung Huang ,  Yu-Ming Lin

IPC: H01L21/28 ,  H01L29/51 ,  H01L29/786 ,  H01L29/66 ,  H01L27/11585

CPC classification number: H01L29/516 ,  H01L27/11585 ,  H01L29/40111 ,  H01L29/42376 ,  H01L29/4908 ,  H01L29/66545 ,  H01L29/6684 ,  H01L29/66969 ,  H01L29/7869

Abstract: A transistor includes a semiconductor channel layer, a gate structure, a gate insulation layer, an internal electrode, and a ferroelectric material layer. The gate structure is disposed on the semiconductor channel layer. The gate insulation layer is disposed between the gate structure and the semiconductor channel layer. The internal electrode is disposed between the gate insulation layer and the gate structure. The ferroelectric material layer is disposed between the internal electrode and the gate structure. A spacer is disposed on the semiconductor channel layer, and a trench surrounded by the spacer is formed above the semiconductor channel layer. The ferroelectric material layer is disposed in the trench, and the gate structure is at least partially disposed outside the trench. The ferroelectric material layer in the transistor of the present invention is used to enhance the electrical characteristics of the transistor.

公开(公告)号：US09607982B1

公开(公告)日：2017-03-28

申请号：US15209771

申请日：2016-07-14

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Su Xing ,  Hsueh-Wen Wang

IPC: H01L27/06 ,  H01L29/66 ,  H01L29/06 ,  H01L21/8249 ,  H01L27/02 ,  H01L29/49 ,  H01L29/26

CPC classification number: H01L27/0635 ,  G05F1/56 ,  H01L21/8249 ,  H01L21/8258 ,  H01L27/0207 ,  H01L27/06 ,  H01L27/0617 ,  H01L27/088 ,  H01L28/00 ,  H01L29/0649 ,  H01L29/26 ,  H01L29/41708 ,  H01L29/4966 ,  H01L29/66234 ,  H01L29/735

Abstract: A method for fabricating semiconductor device is disclosed. First, a substrate is provided, a bipolar junction transistor (BJT) is formed on the substrate, a metal-oxide semiconductor (MOS) transistor is formed on the substrate and electrically connected to the BJT, a resistor is formed on the substrate and electrically connected to the MOS transistor, a dielectric layer is formed on the substrate to cover the BJT, the MOS transistor, and the resistor, and an oxide-semiconductor field-effect transistor (OS-FET) is formed on the dielectric layer and electrically connected to the MOS transistor and the resistor.

公开(公告)号：US20180006129A1

公开(公告)日：2018-01-04

申请号：US15628592

申请日：2017-06-20

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Su Xing ,  Hsueh-Wen Wang ,  Chien-Yu Ko ,  Yu-Cheng Tung ,  Jen-Yu Wang ,  Cheng-Tung Huang ,  Yu-Ming Lin

IPC: H01L29/51 ,  H01L29/66 ,  H01L29/786

CPC classification number: H01L29/516 ,  H01L21/28291 ,  H01L27/11585 ,  H01L29/0649 ,  H01L29/4236 ,  H01L29/4908 ,  H01L29/66545 ,  H01L29/6684 ,  H01L29/66969 ,  H01L29/7869

Abstract: A transistor includes a semiconductor channel layer, a gate structure, a gate insulation layer, an internal electrode, and a ferroelectric material layer. The gate structure is disposed on the semiconductor channel layer. The gate insulation layer is disposed between the gate structure and the semiconductor channel layer. The internal electrode is disposed between the gate insulation layer and the gate structure. The ferroelectric material layer is disposed between the internal electrode and the gate structure. A spacer is disposed on the semiconductor channel layer, and a trench surrounded by the spacer is formed above the semiconductor channel layer. The ferroelectric material layer is disposed in the trench, and the gate structure is at least partially disposed outside the trench. The ferroelectric material layer in the transistor of the present invention is used to enhance the electrical characteristics of the transistor.

公开(公告)号：US09722093B1

公开(公告)日：2017-08-01

申请号：US15253896

申请日：2016-09-01

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Su Xing ,  Hsueh-Wen Wang ,  Chien-Yu Ko ,  Yu-Cheng Tung ,  Jen-Yu Wang ,  Cheng-Tung Huang ,  Yu-Ming Lin

IPC: H01L21/28 ,  H01L29/786 ,  H01L29/51 ,  H01L29/06 ,  H01L29/423 ,  H01L29/66 ,  H01L27/11585

CPC classification number: H01L29/7869 ,  H01L21/28291 ,  H01L27/11585 ,  H01L29/0649 ,  H01L29/4236 ,  H01L29/4908 ,  H01L29/516 ,  H01L29/66545 ,  H01L29/6684 ,  H01L29/66969

Abstract: An oxide semiconductor transistor includes an oxide semiconductor channel layer, a metal gate, a gate insulation layer, an internal electrode, and a ferroelectric material layer. The metal gate is disposed on the oxide semiconductor channel layer. The gate insulation layer is disposed between the metal gate and the oxide semiconductor channel layer. The internal electrode is disposed between the gate insulation layer and the metal gate. The ferroelectric material layer is disposed between the internal electrode and the metal gate. The ferroelectric material layer in the oxide semiconductor transistor of the present invention is used to enhance the electrical characteristics of the oxide semiconductor transistor.