公开(公告)号：US12154852B2

公开(公告)日：2024-11-26

申请号：US17670520

申请日：2022-02-14

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768

Abstract: An interconnection structure includes a first interconnection level, a second interconnection level, a third interconnection level, and a super via structure. The second interconnection level is disposed on the first interconnection level, and the third interconnection level is disposed on the second interconnection level. The second interconnection level includes a second conductive layer and a block layer disposed in a dielectric layer. A bottom surface of the block layer is lower than a top surface of the second conductive layer in a vertical direction. The block layer is disposed between a first conductive layer of the first interconnection level and a third conductive layer of the third interconnection level in the vertical direction. The super via structure penetrates through the block layer and the second interconnection level in the vertical direction and electrically connects the first conductive layer and the third conductive layer.

公开(公告)号：US20210159170A1

公开(公告)日：2021-05-27

申请号：US16709934

申请日：2019-12-11

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768

Abstract: An interconnection structure includes a first interlayer dielectric layer, a first conductive line, a protection layer, a second interlayer dielectric layer, and a connection plug. The first conductive line is partially disposed in the first interlayer dielectric layer. The protection layer is disposed on the first conductive line and the first interlayer dielectric layer. The protection layer covers a top surface and a sidewall of the first conductive line. The protection layer includes a recess disposed corresponding to the first conductive line in a vertical direction. The second interlayer dielectric layer is disposed on the protection layer. The connection plug penetrates at least a part of the second interlayer dielectric layer and the protection layer for being connected with the first conductive line.

公开(公告)号：US08841755B2

公开(公告)日：2014-09-23

申请号：US13947125

申请日：2013-07-22

Applicant: United Microelectronics Corp.

Inventor： Kuo-Hsiung Huang ,  Chun-Mao Chiou ,  Hsin-Yu Chen ,  Yu-Han Tsai ,  Ching-Li Yang ,  Home-Been Cheng

IPC: H01L23/48 ,  H01L21/768 ,  H01L23/525

CPC classification number: H01L21/76843 ,  H01L21/76898 ,  H01L23/481 ,  H01L23/525 ,  H01L2224/13 ,  H01L2924/1461 ,  H01L2924/00

Abstract: The present invention relates to a through silicon via (TSV). The TSV is disposed in a substrate including a via opening penetrating through a first surface and a second surface of the substrate. The TSV includes an insulation layer, a barrier layer, a buffer layer and a conductive electrode. The insulation layer is disposed on a surface of the via opening. The barrier layer is disposed on a surface of the insulation layer. The buffer layer is disposed on a surface of the barrier layer. The conductive electrode is disposed on a surface of the buffer layer and a remainder of the via opening is completely filled with the conductive electrode. A portion of the buffer layer further covers a surface of the conductive electrode at a side of the second surface and said portion is level with the second surface.

Abstract translation: 本发明涉及一种硅通孔（TSV）。 TSV设置在包括穿过基板的第一表面和第二表面的通孔的基板中。 TSV包括绝缘层，阻挡层，缓冲层和导电电极。 绝缘层设置在通孔开口的表面上。 阻挡层设置在绝缘层的表面上。 缓冲层设置在阻挡层的表面上。 导电电极设置在缓冲层的表面上，通孔开口的其余部分被导电电极完全填充。 缓冲层的一部分还在第二表面的一侧覆盖导电电极的表面，并且所述部分与第二表面平齐。

公开(公告)号：US11127675B2

公开(公告)日：2021-09-21

申请号：US16709934

申请日：2019-12-11

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768

Abstract: An interconnection structure includes a first interlayer dielectric layer, a first conductive line, a protection layer, a second interlayer dielectric layer, and a connection plug. The first conductive line is partially disposed in the first interlayer dielectric layer. The protection layer is disposed on the first conductive line and the first interlayer dielectric layer. The protection layer covers a top surface and a sidewall of the first conductive line. The protection layer includes a recess disposed corresponding to the first conductive line in a vertical direction. The second interlayer dielectric layer is disposed on the protection layer. The connection plug penetrates at least a part of the second interlayer dielectric layer and the protection layer for being connected with the first conductive line.

公开(公告)号：US20200075480A1

公开(公告)日：2020-03-05

申请号：US16122807

申请日：2018-09-05

Applicant: United Microelectronics Corp.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Yi-Hsiu Chen ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768 ,  H01L23/532

Abstract: A structure of semiconductor device includes a substrate. An interconnection layer is formed on the substrate including a first inter-layer dielectric (ILD) layer over the substrate. A lower wiring structure is formed in the ILD layer. A hard mask layer is disposed on the first ILD layer. The hard mask layer has a first opening and a second opening being adjacent to expose the lower wiring structure. A second ILD layer is disposed on the hard mask layer. The second ILD layer has a via opening aligned to the first opening of the mask layer and a trench pattern connecting with the via opening. The second ILD layer has a protruding portion to fill the second opening of the mask layer. A metal line layer fills the via opening and the trench pattern in the second ILD layer and the first opening of the hard mask layer.

公开(公告)号：US20130299949A1

公开(公告)日：2013-11-14

申请号：US13947125

申请日：2013-07-22

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Kuo-Hsiung Huang ,  Chun-Mao Chiou ,  Hsin-Yu Chen ,  Yu-Han Tsai ,  Ching-Li Yang ,  Home-Been Cheng

IPC: H01L23/48 ,  H01L21/768

CPC classification number: H01L21/76843 ,  H01L21/76898 ,  H01L23/481 ,  H01L23/525 ,  H01L2224/13 ,  H01L2924/1461 ,  H01L2924/00

Abstract: The present invention relates to a through silicon via (TSV). The TSV is disposed in a substrate including a via opening penetrating through a first surface and a second surface of the substrate. The TSV includes an insulation layer, a barrier layer, a buffer layer and a conductive electrode. The insulation layer is disposed on a surface of the via opening. The barrier layer is disposed on a surface of the insulation layer. The buffer layer is disposed on a surface of the barrier layer. The conductive electrode is disposed on a surface of the buffer layer and a remainder of the via opening is completely filled with the conductive electrode. A portion of the buffer layer further covers a surface of the conductive electrode at a side of the second surface and said portion is level with the second surface.

Abstract translation: 本发明涉及一种硅通孔（TSV）。 TSV设置在包括穿过基板的第一表面和第二表面的通孔的基板中。 TSV包括绝缘层，阻挡层，缓冲层和导电电极。 绝缘层设置在通孔开口的表面上。 阻挡层设置在绝缘层的表面上。 缓冲层设置在阻挡层的表面上。 导电电极设置在缓冲层的表面上，通孔开口的其余部分被导电电极完全填充。 缓冲层的一部分还在第二表面的一侧覆盖导电电极的表面，并且所述部分与第二表面平齐。

公开(公告)号：US20240339397A1

公开(公告)日：2024-10-10

申请号：US18746055

申请日：2024-06-18

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768

CPC classification number: H01L23/5226 ,  H01L21/76816 ,  H01L21/76832 ,  H01L21/7684 ,  H01L21/76877

Abstract: An interconnection structure includes a first interconnection level, a second interconnection level, a third interconnection level, and a super via structure. The second interconnection level is disposed on the first interconnection level, and the third interconnection level is disposed on the second interconnection level. The second interconnection level includes a second conductive layer and a block layer disposed in a dielectric layer. A bottom surface of the block layer is lower than a top surface of the second conductive layer in a vertical direction. The block layer is disposed between a first conductive layer of the first interconnection level and a third conductive layer of the third interconnection level in the vertical direction. The super via structure penetrates through the block layer and the second interconnection level in the vertical direction and electrically connects the first conductive layer and the third conductive layer.

公开(公告)号：US11646264B2

公开(公告)日：2023-05-09

申请号：US17168099

申请日：2021-02-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768 ,  H01L23/528 ,  H01L21/033

CPC classification number: H01L23/5226 ,  H01L21/0332 ,  H01L21/7684 ,  H01L21/76816 ,  H01L21/76832 ,  H01L21/76879 ,  H01L21/76897 ,  H01L23/5283

Abstract: The invention provides a semiconductor structure. The semiconductor structure includes a substrate, a first inter metal dielectric (IMD) layer, a second inter metal dielectric layer and a third inter metal dielectric layer sequentially arranged on the substrate. The first inter metal dielectric layer includes at least one first wire, the second inter metal dielectric layer includes at least one mask layer, and the third inter metal dielectric layer includes at least one third wire and a super via. The super via penetrates through the second inter metal dielectric layer, and electrically connect to the first wire and the third wire, and part of the super via directly contacts the mask layer in the second inter metal dielectric layer.

公开(公告)号：US20220216144A1

公开(公告)日：2022-07-07

申请号：US17168099

申请日：2021-02-04

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Min-Shiang Hsu ,  Yu-Han Tsai ,  Chih-Sheng Chang

IPC: H01L23/522 ,  H01L21/768 ,  H01L21/033 ,  H01L23/528

Abstract: The invention provides a semiconductor structure. The semiconductor structure includes a substrate, a first inter metal dielectric (IMD) layer, a second inter metal dielectric layer and a third inter metal dielectric layer sequentially arranged on the substrate. The first inter metal dielectric layer includes at least one first wire, the second inter metal dielectric layer includes at least one mask layer, and the third inter metal dielectric layer includes at least one third wire and a super via. The super via penetrates through the second inter metal dielectric layer, and electrically connect to the first wire and the third wire, and part of the super via directly contacts the mask layer in the second inter metal dielectric layer.

公开(公告)号：US09312208B2

公开(公告)日：2016-04-12

申请号：US14521456

申请日：2014-10-22

Applicant: UNITED MICROELECTRONICS CORP.

Inventor： Hsin-Yu Chen ,  Home-Been Cheng ,  Yu-Han Tsai ,  Ching-Li Yang

IPC: H01L21/44 ,  H01L23/48 ,  H01L21/768 ,  H01L23/522

CPC classification number: H01L23/481 ,  H01L21/7684 ,  H01L21/76898 ,  H01L23/522 ,  H01L2924/0002 ,  H01L2924/00

Abstract: A through silicon via structure is disclosed. The through silicon via includes: a substrate; a first dielectric layer disposed on the substrate and having a plurality of first openings, in which a bottom of the plurality of first openings is located lower than an original surface of the substrate; a via hole disposed through the first dielectric layer and the substrate, in which the via hole not overlapping for all of the plurality of first openings; a second dielectric layer disposed within the plurality of first openings and on a sidewall of the via hole while filling the plurality of first openings; and a conductive material layer disposed within the via hole having the second dielectric layer on the sidewall of the via hole, thereby forming a through silicon via.