JP2020535642A - 縦型トランジスタ・デバイス、半導体デバイス、および半導体デバイスを形成するための方法 - Google Patents
縦型トランジスタ・デバイス、半導体デバイス、および半導体デバイスを形成するための方法 Download PDFInfo
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6728—Vertical TFTs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06N—COMPUTING ARRANGEMENTS BASED ON SPECIFIC COMPUTATIONAL MODELS
- G06N3/00—Computing arrangements based on biological models
- G06N3/02—Neural networks
- G06N3/06—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons
- G06N3/063—Physical realisation, i.e. hardware implementation of neural networks, neurons or parts of neurons using electronic means
- G06N3/065—Analogue means
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- H01L23/00—Details of semiconductor or other solid state devices
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- H—ELECTRICITY
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- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/52—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames
- H01L23/522—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body
- H01L23/525—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections
- H01L23/5256—Arrangements for conducting electric current within the device in operation from one component to another, i.e. interconnections, e.g. wires, lead frames including external interconnections consisting of a multilayer structure of conductive and insulating layers inseparably formed on the semiconductor body with adaptable interconnections comprising fuses, i.e. connections having their state changed from conductive to non-conductive
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
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- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
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- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/674—Thin-film transistors [TFT] characterised by the active materials
- H10D30/6741—Group IV materials, e.g. germanium or silicon carbide
- H10D30/6743—Silicon
- H10D30/6746—Amorphous silicon
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- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10D—INORGANIC ELECTRIC SEMICONDUCTOR DEVICES
- H10D30/00—Field-effect transistors [FET]
- H10D30/60—Insulated-gate field-effect transistors [IGFET]
- H10D30/67—Thin-film transistors [TFT]
- H10D30/6757—Thin-film transistors [TFT] characterised by the structure of the channel, e.g. transverse or longitudinal shape or doping profile
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Abstract
Description
Claims (17)
- 縦型トランジスタ・デバイスであって、
縦方向にスタックされ、ソース層、ドレイン層、および前記ソース層と前記ドレイン層との間のチャネル層を含む、層のスタックと、
前記チャネル層と共通面内に形成されたゲート電極と、
前記ゲート電極と前記チャネル層との間に縦方向に形成されたゲート誘電体と、
前記層のスタックの第1の側で前記層のスタックと接触する第1のコンタクトと、
前記第1のコンタクトから縦方向に反対側に形成される第2のコンタクトと、
を備える、縦型トランジスタ・デバイス。 - 前記層のスタックは同じ基礎材料を含む、請求項1に記載の縦型トランジスタ・デバイス。
- 前記ソース層および前記ドレイン層は、同じドーピング導電性を含み、前記チャネル層はドープされていない、請求項1に記載の縦型トランジスタ・デバイス。
- 前記ゲート電極は、前記チャネル層の周縁において前記チャネル層を完全に取り囲む、請求項1に記載の縦型トランジスタ・デバイス。
- 前記ゲート電極は、前記チャネル層の周縁において前記チャネル層を部分的に取り囲む、請求項1に記載の縦型トランジスタ・デバイス。
- 半導体デバイスは、前記半導体デバイスの配線工程領域において誘電体層に形成される、請求項1に記載の縦型トランジスタ・デバイス。
- 前記ソース層は第1の金属線に接続し、前記ドレイン層は、クロスバー・グリッド構造において前記第1の金属線に対し交差するように配設された第2の金属線に接続する、請求項1に記載の縦型トランジスタ・デバイス。
- 前記ソース層、前記ドレイン層、および前記チャネル層は、デバイス抵抗を増大させ、デバイス電流を低減するための多結晶材料を含む、請求項1に記載の縦型トランジスタ・デバイス。
- 前記多結晶材料はポリシリコンを含む、請求項8に記載の縦型トランジスタ・デバイス。
- 前記ソース層、前記ドレイン層および前記チャネル層は、各々同じ厚さを含む、請求項1に記載の縦型トランジスタ・デバイス。
- 前記同じ厚さは50nm〜200nmである、請求項10に記載の縦型トランジスタ・デバイス。
- 半導体デバイスであって、
基板工程(FEOL)デバイスが形成された基板と、
第1の線、および前記第1の線に対し交差するように形成された第2の線を含むクロスバー・グリッドと、
各々が請求項1〜11のいずれか一項に定められた配線工程(BEOL)縦型トランジスタであって、前記第2のコンタクトは、前記ドレイン層を複数の前記第2の線のうちの1つの第2の線に接続する、BEOL縦型トランジスタと、
を備える、半導体デバイス。 - 半導体デバイスを形成するための方法であって、
層間誘電体(ILD)層を通じて第1のコンタクトを形成することと、
前記ILD層に、前記第1のコンタクトの上に層のスタックを形成することであって、前記層のスタックは、ソース層、ドレイン層、および前記ソース層と前記ドレイン層との間のチャネル層を含むことと、
前記ILD層の上にスペーサ層を形成することと、
前記スペーサ層および前記層のスタックの上にゲート誘電体をコンフォーマルに堆積することと、
前記スペーサ層の前記ゲート誘電体の上に、前記チャネル層と共通面にゲート電極を形成することと、
前記第1のコンタクトと縦方向に反対側に第2のコンタクトを形成することと、
を含む、方法。 - 前記層のスタックを形成することは、前記スタックの各層について同じ基礎材料を堆積することを含み、前記ソース層および前記ドレイン層は、同じドーピング導電性を含み、前記チャネル層はドープされていない、請求項13に記載の方法。
- 前記ゲート電極は、前記チャネル層の周縁において前記チャネル層を少なくとも部分的に取り囲む、請求項13に記載の方法。
- 前記半導体デバイスは、前記半導体デバイスの配線工程領域において誘電体層上に形成される、請求項13に記載の方法。
- 前記ソース層を前記第1のコンタクトにより第1の金属線に接続することと、前記第2のコンタクトを用いて、前記ドレイン層を、クロスバー・グリッド構造において前記第1の金属線に対し交差するように配置された第2の金属線に接続することとを更に含む、請求項13に記載の方法。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
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US15/715,526 US10522686B2 (en) | 2017-09-26 | 2017-09-26 | Vertical thin film transistor |
US15/715,526 | 2017-09-26 | ||
PCT/IB2018/057247 WO2019064130A1 (en) | 2017-09-26 | 2018-09-20 | VERTICAL THIN FILM TRANSISTOR |
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JP2020535642A true JP2020535642A (ja) | 2020-12-03 |
JP7167135B2 JP7167135B2 (ja) | 2022-11-08 |
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US (3) | US10522686B2 (ja) |
EP (1) | EP3688817A4 (ja) |
JP (1) | JP7167135B2 (ja) |
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WO (1) | WO2019064130A1 (ja) |
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JP7167135B2 (ja) | 2022-11-08 |
US20200058799A1 (en) | 2020-02-20 |
WO2019064130A1 (en) | 2019-04-04 |
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US20190097064A1 (en) | 2019-03-28 |
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US11271116B2 (en) | 2022-03-08 |
US10522686B2 (en) | 2019-12-31 |
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US11239369B2 (en) | 2022-02-01 |
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