WO2023241069A1 - 半导体器件及其制备方法 - Google Patents
半导体器件及其制备方法 Download PDFInfo
- Publication number
- WO2023241069A1 WO2023241069A1 PCT/CN2023/074934 CN2023074934W WO2023241069A1 WO 2023241069 A1 WO2023241069 A1 WO 2023241069A1 CN 2023074934 W CN2023074934 W CN 2023074934W WO 2023241069 A1 WO2023241069 A1 WO 2023241069A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- metal
- layer
- metal layer
- dielectric layer
- semiconductor device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/60—Capacitors
- H10D1/68—Capacitors having no potential barriers
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W44/00—Electrical arrangements for controlling or matching impedance
- H10W44/601—Capacitive arrangements
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D1/00—Resistors, capacitors or inductors
- H10D1/01—Manufacture or treatment
- H10D1/041—Manufacture or treatment of capacitors having no potential barriers
- H10D1/042—Manufacture or treatment of capacitors having no potential barriers using deposition processes to form electrode extensions
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D64/00—Electrodes of devices having potential barriers
- H10D64/111—Field plates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/0123—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs
- H10D84/0126—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs
- H10D84/0165—Integrating together multiple components covered by H10D12/00 or H10D30/00, e.g. integrating multiple IGBTs the components including insulated gates, e.g. IGFETs the components including complementary IGFETs, e.g. CMOS devices
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D84/00—Integrated devices formed in or on semiconductor substrates that comprise only semiconducting layers, e.g. on Si wafers or on GaAs-on-Si wafers
- H10D84/01—Manufacture or treatment
- H10D84/02—Manufacture or treatment characterised by using material-based technologies
- H10D84/03—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology
- H10D84/038—Manufacture or treatment characterised by using material-based technologies using Group IV technology, e.g. silicon technology or silicon-carbide [SiC] technology using silicon technology, e.g. SiGe
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N97/00—Electric solid-state thin-film or thick-film devices, not otherwise provided for
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W20/00—Interconnections in chips, wafers or substrates
- H10W20/40—Interconnections external to wafers or substrates, e.g. back-end-of-line [BEOL] metallisations or vias connecting to gate electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W42/00—Arrangements for protection of devices
- H10W42/80—Arrangements for protection of devices protecting against overcurrent or overload, e.g. fuses or shunts
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10W—GENERIC PACKAGES, INTERCONNECTIONS, CONNECTORS OR OTHER CONSTRUCTIONAL DETAILS OF DEVICES COVERED BY CLASS H10
- H10W44/00—Electrical arrangements for controlling or matching impedance
Definitions
- the present application relates to the field of integrated circuit technology, and in particular to a semiconductor device and a preparation method thereof.
- Electrical isolation refers to a way to prevent current from flowing directly from one area to another in a circuit, that is, without establishing a path for direct current flow between two areas.
- isolators mostly used optocoupler isolators.
- digital isolation technology began to make great strides and was gradually recognized by the market. Its high reliability and high speed far exceed that of traditional optocoupler technology. limit.
- CMOS high-voltage isolation capacitors are prepared using a surface dielectric stacking process, which involves first depositing a layer of metal on the surface of the silicon wafer as the lower plate of the high-voltage isolation capacitor, and then growing a thick layer of silicon dioxide on the metal lower plate. Or a composite layer of silicon dioxide and silicon nitride, used as the dielectric layer of the high-voltage isolation capacitor, and finally a layer of metal is deposited on the dielectric layer as the upper plate of the high-voltage isolation capacitor.
- the dielectric layer at the edge of the upper plate is easily broken down in advance, which reduces the service life of the high-voltage isolation capacitor.
- a semiconductor device and a manufacturing method thereof are provided.
- this application provides a semiconductor device, including:
- a first metal layer disposed on the substrate
- a dielectric layer disposed on the side of the first metal layer away from the substrate;
- a second metal layer is disposed on a side of the dielectric layer away from the first metal layer; the potential of the second metal layer is higher than the potential of the first metal layer;
- a metal ring disposed on the side of the dielectric layer away from the first metal layer, and the metal ring is disposed around the outside of the second metal layer;
- part of the metal ring is provided in the dielectric layer.
- a metal ring is provided on the periphery of the second metal layer, and part of the metal ring extends into the dielectric layer.
- the electric field distribution at the edge of the second metal layer is optimized through the field plate effect of the metal ring, thereby reducing the electric field intensity at the edge of the second metal layer; on the other hand, part of the metal ring is located in the dielectric layer, which is beneficial to
- the movable charges move between the metal ring and the second metal layer, minimizing the defects on the surface of the dielectric layer that hinder the movement of charges, thereby further optimizing the electric field distribution at the edge of the second metal layer and reducing the electric field distribution at the edge of the second metal layer.
- the electric field strength improves the withstand voltage of the semiconductor device, prevents the dielectric layer from being broken down in advance, and increases the service life of the semiconductor device.
- the metal ring includes a first part and a second part connected to each other, the first part is embedded in the dielectric layer, and the second part is located on the dielectric layer away from the first metal one side of the layer.
- the thickness of the first portion ranges from about 400 nm to about 500 nm.
- the semiconductor device further includes a passivation layer disposed on a side of the dielectric layer close to the second metal layer; wherein the passivation layer covers part of the surface of the second metal layer. , the surface of the metal ring and the exposed surface of the dielectric layer.
- the semiconductor device further includes an isolation structure disposed on the substrate; wherein the capacitor formed by the first metal layer, the dielectric layer and the second metal layer is disposed adjacent between the isolation structures.
- the step of forming a metal ring on the dielectric layer includes:
- the method further includes:
- a passivation layer is formed on part of the surface of the second metal layer; wherein the passivation layer also covers the surface of the metal ring and the exposed surface of the dielectric layer.
- FIG. 2 is a perspective view of a partial structure of the semiconductor device in FIG. 1 .
- FIG. 3 is a top view of FIG. 2 .
- FIG. 5 is a schematic diagram of electric field distribution simulation of a semiconductor device with a metal ring provided on the surface of the dielectric layer according to an embodiment of the present application.
- FIG. 6 is a schematic diagram of electric field distribution simulation of a semiconductor device in which part of the metal ring is located in the dielectric layer according to an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of a semiconductor device after trench formation according to an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of the first part of the metal ring of the semiconductor device provided in an embodiment of the present application.
- FIG. 14 is a schematic structural diagram of a semiconductor device provided in an embodiment of the present application after the passivation layer is formed.
- the high electric field region at the edge of the plate forming the high-voltage capacitor limits the breakdown voltage of the high-voltage capacitor.
- the electric field intensity between the upper plate and the lower plate is relatively uniform, while the electric field intensity at the edge of the upper plate is generally higher.
- the preparation process of the high-voltage capacitor such as plasma bombardment or etching processes, defects are likely to exist on the upper surface of the dielectric layer, especially near the edge of the upper plate. The superposition of the above two factors causes the dielectric layer at the edge of the upper plate to be easily broken down in advance, reducing the service life of the high-voltage isolation capacitor.
- An isolation structure 170 may also be provided on the substrate 110 , and a capacitor formed by the first metal layer 120 , the dielectric layer 130 and the second metal layer 140 may be provided between adjacent isolation structures 170 .
- the substrate 110 may also be provided with an interconnection structure 180 for energizing the electronic components on the substrate 110 .
- the thickness H of the first portion 151 ranges from about 400 nm to about 500 nm. It can also be understood that the thickness of the portion of the metal ring 150 located in the dielectric layer 130 is between about 400 nm and about 500 nm.
- the thickness H of the first portion 151 may be approximately 400 nm, 450 nm, 480 nm, or 500 nm.
- first distance L1 between the metal ring 150 and the second metal layer 140 , and the first distance L1 is between about 2 ⁇ m and about 5 ⁇ m.
- first room The distance L1 may be about 2 ⁇ m, 3 ⁇ m, 3.5 ⁇ m, 4.5 ⁇ m or 5 ⁇ m.
- the first spacing L1 is within the above numerical range, which can better optimize the electric field distribution at the edge of the second metal layer 140, improve the withstand voltage of the semiconductor device 100, avoid premature breakdown of the dielectric layer 130, and increase the service life of the semiconductor device 100.
- the first spacing L1 refers to the spacing between the metal ring 150 adjacent to the second metal layer 140 and the second metal layer 140 .
- This arrangement is equivalent to "sleeping" multiple turns of metal rings 150 on the outside of the second metal layer 140, so that the multiple metal rings 150 can optimize the electric field in a wider range and reduce the electric field outside the second metal layer 140.
- the electric field intensity in a wider range improves the withstand voltage of the semiconductor device 100, prevents the dielectric layer 130 from being broken down in advance, and increases the service life of the semiconductor device 100.
- the semiconductor device 100 further includes a passivation layer 160 .
- the passivation layer 160 is located on a side of the dielectric layer 130 close to the second metal layer 140 .
- the passivation layer 160 covers the second metal layer. 140, the surface of the metal ring 150 and the exposed surface of the dielectric layer 130.
- the passivation layer 160 can play the role of protection and insulation, on the one hand to prevent the metal ring 150 from being electrically connected to external devices, and on the other hand to prevent external force from damaging the metal ring 150 .
- the material of the passivation layer 160 may be silicon oxide, silicon nitride, or the like.
- S200 Form a dielectric layer on the first metal layer.
- a pattern of the dielectric layer 130 may be formed through a mask, and then the dielectric layer 130 may be deposited.
- the material of the dielectric layer 130 may be silicon dioxide, silicon nitride, silicon oxynitride, etc.
- the material of the metal ring 150 may be the same as the material of the first metal layer 120 .
- the structure of the dielectric layer 130 after formation is shown in FIG. 8 .
- S300 Form a metal ring on the dielectric layer; part of the metal ring 150 is provided in the dielectric layer 130.
- S400 Form a second metal layer on the dielectric layer.
- the first metal layer 120 and the second metal layer 140 are both used for electrical connection with external circuits.
- the potential of the second metal layer 140 is higher than that of the first metal layer 120 . potential; the metal ring 150 is wound around the outside of the second metal layer 140 .
- a pattern of the second metal layer 140 may be formed through a mask, and then the second metal layer 140 may be deposited.
- a capacitor can be formed between the metal ring 150 and the second metal layer 140.
- the capacitor will form a field plate effect, and the electric field of the capacitor will cause the second metal ring 150 to form a capacitor.
- the high-density electric field at the edge of the metal layer 140 is evenly dispersed, thereby suppressing the electric field peak at the edge of the second metal layer 140, improving the withstand voltage of the semiconductor device 100, preventing the dielectric layer 130 from being broken down in advance, and improving the performance of the semiconductor device. 100 lifespan.
- the step of forming a metal ring on the dielectric layer includes:
- S320 Forming the first part of the metal ring in the groove.
- metal may be filled in the trench 131 to fill the trench 131 .
- a planarization process can be used to remove metal from the surface of the dielectric layer 130 so that the surface of the dielectric layer 130 is flush with the surface of the first portion 151 .
- the structure of the first part 151 after formation is shown in Figure 11.
- S330 Form a second part connected to the first part on the dielectric layer to form a metal ring.
- the structure of the second part 152 after formation is shown in Figure 12.
- a second metal layer 140 can be formed on the dielectric layer 130.
- the structure of the second metal layer 140 after formation is shown in FIG. 13.
- S500 Form a passivation layer on part of the surface of the second metal layer; wherein, the passivation layer 160 also covers the surface of the metal ring 150 and the exposed surface of the dielectric layer 130.
- the material of the passivation layer 160 may be oxygen Silicone or silicon nitride, etc.
- the preparation process of the passivation layer 160 may be the same as the preparation process of the dielectric layer 130 , and will not be described again in the embodiment of the present application.
- the structure of the passivation layer 160 after formation is shown in FIG. 14 .
- each step in the flowchart of FIG. 7 is shown in sequence as indicated by the arrows, these steps are not necessarily executed in the order indicated by the arrows. Unless explicitly stated in this article, there is no strict order restriction on the execution of these steps, and these steps can be executed in other orders. Moreover, at least some of the steps in Figure 7 may include multiple steps or stages. These steps or stages are not necessarily executed at the same time, but may be executed at different times. The execution order of these steps or stages is also It does not necessarily need to be performed sequentially, but may be performed in turn or alternately with other steps or at least part of steps or stages in other steps.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Semiconductor Integrated Circuits (AREA)
Abstract
Description
Claims (13)
- 一种半导体器件,包括:基底;第一金属层,设置于所述基底上;介质层,设置于所述第一金属层远离所述基底的一侧;第二金属层,设置于所述介质层远离所述第一金属层的一侧;所述第二金属层的电位高于所述第一金属层的电位;以及金属环,设置于所述介质层远离所述第一金属层的一侧,且所述金属环围绕所述第二金属层的外侧设置;其中,所述金属环的部分设于所述介质层中。
- 根据权利要求1所述的半导体器件,其中,所述金属环包括相互连接的第一部分和第二部分,所述第一部分嵌入所述介质层中,所述第二部分位于所述介质层的远离所述第一金属层的一侧。
- 根据权利要求2所述的半导体器件,其中,在所述介质层的厚度方向上,所述第一部分的厚度介于约400nm至约500nm。
- 根据权利要求2所述的半导体器件,其中,所述第二部分的厚度等于所述第二金属层的厚度,且所述第二部分的上表面与所述第二金属层的上表面平齐。
- 根据权利要求2所述的半导体器件,其中,所述第二部分在所述介质层的上表面的正投影,覆盖所述第一部分在所述介质层的上表面的正投影。
- 根据权利要求1所述的半导体器件,其中,与所述第二金属层相邻的所述金属环与所述第二金属层之间具有第一间距,所述第一间距介于约2μm至约5μm。
- 根据权利要求6所述的半导体器件,其中,所述半导体器件包括多个金属环,所述多个金属环围绕所述第二金属层且彼此间隔地设置。
- 根据权利要求7所述的半导体器件,其中,相邻的两个所述金属环之间具有第二间距,所述第二间距等于所述第一间距。
- 根据权利要求1所述的半导体器件,还包括钝化层,设置于所述介质层靠近所述第二金属层的一侧;其中所述钝化层覆盖所述第二金属层的部分表面、所述金属环的表面以及所述介质层裸露的表面。
- 根据权利要求1所述的半导体器件,还包括隔离结构,设置于所述基底上;其中所述第一金属层、所述介质层和所述第二金属层形成的电容器设置在相邻的所述隔离结构之间。
- 一种半导体器件的制备方法,包括:在基底上形成第一金属层;在所述第一金属层上形成介质层;在所述介质层上形成金属环;其中,所述金属环的部分设于所述介质层中;及在所述介质层上形成第二金属层;其中,所述第二金属层的电位高于所述第一金属层的电位;所述金属环围绕在所述第二金属层的外侧。
- 根据权利要求11所述的半导体器件的制备方法,其中,所述在所述介质层上形成金属环的步骤包括:在所述介质层上开设沟槽;在所述沟槽中形成所述金属环的第一部分;及在所述介质层上形成与所述第一部分相连的第二部分,以形成所述金属环。
- 根据权利要求11所述的半导体器件的制备方法,其中,所述在所述介质层上形成第二金属层的步骤之后,还包括:在所述第二金属层的部分表面形成钝化层;其中,所述钝化层还覆盖所述金属环的表面以及所述介质层裸露的表面。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US18/871,694 US20250365995A1 (en) | 2022-06-17 | 2023-02-08 | Semiconductor device and preparation method therefor |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210689556.0 | 2022-06-17 | ||
| CN202210689556.0A CN117316933A (zh) | 2022-06-17 | 2022-06-17 | 半导体器件及其制备方法 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023241069A1 true WO2023241069A1 (zh) | 2023-12-21 |
Family
ID=89193074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2023/074934 Ceased WO2023241069A1 (zh) | 2022-06-17 | 2023-02-08 | 半导体器件及其制备方法 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20250365995A1 (zh) |
| CN (1) | CN117316933A (zh) |
| WO (1) | WO2023241069A1 (zh) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN121645907A (zh) * | 2026-02-04 | 2026-03-10 | 芯联集成电路制造股份有限公司 | 高压电容隔离器及其制造方法 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060030101A1 (en) * | 2004-08-06 | 2006-02-09 | Shin Eun J | Semiconductor device and method for fabricating the same |
| CN101924074A (zh) * | 2009-06-11 | 2010-12-22 | 中芯国际集成电路制造(上海)有限公司 | Cmos传感器及其制造方法 |
| CN103972044A (zh) * | 2013-02-01 | 2014-08-06 | 中芯国际集成电路制造(上海)有限公司 | Mim电容器的制备方法以及半导体器件的制备方法 |
| CN208753312U (zh) * | 2018-10-22 | 2019-04-16 | 中国振华集团云科电子有限公司 | 一种低损耗电容器及集成芯片 |
| CN112397479A (zh) * | 2020-11-25 | 2021-02-23 | 思瑞浦微电子科技(苏州)股份有限公司 | 隔离电容及其制备方法 |
-
2022
- 2022-06-17 CN CN202210689556.0A patent/CN117316933A/zh active Pending
-
2023
- 2023-02-08 WO PCT/CN2023/074934 patent/WO2023241069A1/zh not_active Ceased
- 2023-02-08 US US18/871,694 patent/US20250365995A1/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060030101A1 (en) * | 2004-08-06 | 2006-02-09 | Shin Eun J | Semiconductor device and method for fabricating the same |
| CN101924074A (zh) * | 2009-06-11 | 2010-12-22 | 中芯国际集成电路制造(上海)有限公司 | Cmos传感器及其制造方法 |
| CN103972044A (zh) * | 2013-02-01 | 2014-08-06 | 中芯国际集成电路制造(上海)有限公司 | Mim电容器的制备方法以及半导体器件的制备方法 |
| CN208753312U (zh) * | 2018-10-22 | 2019-04-16 | 中国振华集团云科电子有限公司 | 一种低损耗电容器及集成芯片 |
| CN112397479A (zh) * | 2020-11-25 | 2021-02-23 | 思瑞浦微电子科技(苏州)股份有限公司 | 隔离电容及其制备方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20250365995A1 (en) | 2025-11-27 |
| CN117316933A (zh) | 2023-12-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1339820A (zh) | 防止半导体层弯曲的方法和用该方法形成的半导体器件 | |
| WO2020124876A1 (zh) | 半导体器件、其制造方法、集成电路及电子设备 | |
| CN101572274A (zh) | 一种具有刻蚀阻挡层的氧化物薄膜晶体管及其制备方法 | |
| CN117995776B (zh) | 堆叠晶体管的制备方法、堆叠晶体管、器件及设备 | |
| WO2022205674A1 (zh) | 半导体结构及其制备方法 | |
| CN114388525A (zh) | 一种半导体器件及其制备方法 | |
| CN103296000B (zh) | 沟槽电容器和形成该沟槽电容器的方法 | |
| WO2023241069A1 (zh) | 半导体器件及其制备方法 | |
| CN114420564A (zh) | 一种分离栅沟槽mos器件及其制造方法 | |
| TWI743794B (zh) | 半導體裝置及其製造方法 | |
| CN113013027A (zh) | 栅间氧化层的形成方法和屏蔽栅沟槽型器件的形成方法 | |
| TW202133441A (zh) | 具有多尺寸閘極結構的半導體元件及其製備方法 | |
| US12610607B2 (en) | Method of manufacturing semiconductor device | |
| CN115966608B (zh) | 一种垂直晶体管及制造方法 | |
| WO2001091192A1 (en) | A thin film field effect transistor | |
| CN112652664B (zh) | 一种半导体器件及其制造方法、集成电路、电子设备 | |
| CN111987039A (zh) | 半导体器件制备方法 | |
| WO2023241070A1 (zh) | 半导体器件及其制备方法 | |
| CN111710713A (zh) | 一种鳍式场效应晶体管及其制作方法、电子设备 | |
| CN118352304A (zh) | 堆叠叉板晶体管的制备方法、堆叠叉板晶体管及器件 | |
| CN105895667A (zh) | 一种半导体器件及其制造方法 | |
| US20110092048A1 (en) | Method of forming active region structure | |
| TW202133394A (zh) | 具有可編程反熔絲特徵之半導體裝置及其製造方法 | |
| CN113937001A (zh) | 二维沟道器件及其制备方法 | |
| CN106257646A (zh) | 嵌入pip电容的cmos制作方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23822641 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 18871694 Country of ref document: US |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 23822641 Country of ref document: EP Kind code of ref document: A1 |
|
| WWP | Wipo information: published in national office |
Ref document number: 18871694 Country of ref document: US |