JP5544367B2 - トランジスタにおいて進歩したシリサイド形成と組み合わされる凹型のドレイン及びソース区域 - Google Patents
トランジスタにおいて進歩したシリサイド形成と組み合わされる凹型のドレイン及びソース区域 Download PDFInfo
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- Insulated Gate Type Field-Effect Transistor (AREA)
- Electrodes Of Semiconductors (AREA)
- Metal-Oxide And Bipolar Metal-Oxide Semiconductor Integrated Circuits (AREA)
- Thin Film Transistor (AREA)
Description
Claims (15)
- 第1のドレイン及びソース領域を有する第1のトランジスタの第1のゲート電極の側壁上にスペーサ構造を形成することと、
第2のゲート電極を有する第2のトランジスタの第2のドレイン及びソース領域内に半導体合金を形成することと、
前記スペーサ構造に対して選択的に少なくとも前記第1のゲート電極から材質を除去するように、前記第1及び第2のドレイン及びソース領域並びに前記第1及び第2のゲート電極をエッチング環境に曝すことであって、前記半導体合金は、前記第1のトランジスタのドレイン及びソース領域並びに前記第1のゲート電極と、前記第2のトランジスタのドレイン及びソース領域並びに前記第2のゲート電極とを前記エッチング環境に曝した後の前記第2のトランジスタの前記第2のドレイン及びソース領域の目標高さレベルを決定するように、前記第2のドレイン及びソース領域を前記エッチング環境に曝す前に過剰な高さで形成されることであって、前記目標高さレベルは非凹型のドレイン及びソース構造に対応していることと、
前記材質を除去した後に前記第1のトランジスタの前記ドレイン及びソース領域並びに前記第1のゲート電極内に金属シリサイド材質を形成することであって、前記ドレイン及びソース領域における金属シリサイドの上面は、ゲート絶縁膜の底面の高さレベルと比べて低い高さレベルに位置していることと、
前記第1のトランジスタの前記第1のゲート電極並びに前記ドレイン及びソース領域の上方に歪誘起層を形成することとを備えた、半導体デバイスの製造方法。 - 前記第1及び第2のドレイン及びソース領域並びに前記第1及び第2のゲート電極をエッチング環境に曝すことは、凹型ドレイン及びソース構造を形成するように前記ドレイン及びソース領域の材質を除去することを更に備えている請求項1の方法。
- 前記第1及び第2のドレイン及びソース領域並びに前記第1及び第2のゲート電極をエッチング環境に曝すことは、プラズマ環境に基いて前記エッチング環境を確立することを更に備えている請求項1の方法。
- 前記第1及び第2のドレイン及びソース領域並びに前記第1及び第2のゲート電極をエッチング環境に曝すことは、ウエット化学的レシピに基いて前記エッチング環境を確立することを更に備えている請求項1の方法。
- 前記ウエット化学的エッチングレシピはTMAH(テトラメチルアンモニウムハイドロオキシド)を備えている請求項4の方法。
- 異なるエッチングレシピを用いて少なくとも1つの更なるエッチングプロセスを実行することを更に備えた請求項5の方法。
- 前記ゲート電極構造並びに前記ドレイン及びソース領域の上方に歪誘起誘電体層を形成することを更に備えた請求項1の方法。
- 前記金属シリサイドは前記ゲート電極構造のゲート絶縁層まで拡がらないように形成される請求項1の方法。
- 第1及び第2のトランジスタのドレイン及びソース領域を形成することと、
前記第2のトランジスタの前記ドレイン及びソース領域内に半導体合金を形成することと、
前記第1のトランジスタの第1のゲート電極及び前記第2のトランジスタの第2のゲート電極から材質を除去するように第1のエッチングプロセスを実行することと、
前記第1及び前記第2のトランジスタのドレイン及びソース領域から材質を除去するように第2のエッチングプロセスを実行する一方で、前記第1及び前記第2のエッチングプロセスの間、前記第1及び第2のゲート電極の側壁をスペーサ構造によって保護することであって、前記半導体合金の過剰な材質は、前記第1及び前記第2のエッチングプロセスの後に前記第2のトランジスタ内に非凹型のドレイン及びソース構造を維持するように、前記第2のトランジスタの前記ドレイン及びソース領域内に設けられていることと、
前記スペーサ構造の存在下で前記第1及び第2のゲート電極並びに前記ドレイン及びソース領域内に、前記第1及び第2のゲート電極のドープされたシリコン材質内で終端する金属シリサイドを形成することであって、前記第1のゲート電極の前記ドレイン及びソース領域に形成された金属シリサイドの上面は、前記第1のトランジスタのゲート絶縁層の底面によって規定される高さレベルと比較して低い高さに位置していることと、を備えた、半導体デバイスの製造方法。 - 前記第2のエッチングプロセスはプラズマ環境に基いて実行される請求項9の方法。
- 前記第1のエッチングプロセスを実行することはウエット化学的エッチングプロセスを実行することを備えている請求項9の方法。
- 前記ウエット化学的エッチングプロセスはTMAHに基いて実行される請求項11の方法。
- 前記第1のトランジスタの上方の第1の歪誘起誘電体層及び前記第2のトランジスタの上方の第2の歪誘起誘電体層を形成することを更に備えた請求項9の方法。
- 前記第1及び前記第2のエッチングプロセスは共通のエッチングプロセスを備える請求項9の方法。
- 前記第1のエッチングプロセスは前記第2のトランジスタの前記ドレイン及びソース領域の材質を除去する請求項14の方法。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008054075.7 | 2008-10-31 | ||
| DE102008054075A DE102008054075B4 (de) | 2008-10-31 | 2008-10-31 | Halbleiterbauelement mit Abgesenktem Drain- und Sourcebereich in Verbindung mit einem Verfahren zur komplexen Silizidherstellung in Transistoren |
| US12/549,769 US8026134B2 (en) | 2008-10-31 | 2009-08-28 | Recessed drain and source areas in combination with advanced silicide formation in transistors |
| US12/549,769 | 2009-08-28 | ||
| PCT/EP2009/007548 WO2010049086A2 (en) | 2008-10-31 | 2009-10-21 | Recessed drain and source areas in combination with advanced silicide formation in transistors |
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| JP2012507162A JP2012507162A (ja) | 2012-03-22 |
| JP5544367B2 true JP5544367B2 (ja) | 2014-07-09 |
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| Country | Link |
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| US (1) | US8026134B2 (ja) |
| JP (1) | JP5544367B2 (ja) |
| KR (1) | KR101482200B1 (ja) |
| CN (2) | CN102203915B (ja) |
| DE (1) | DE102008054075B4 (ja) |
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| US8609508B2 (en) * | 2010-12-08 | 2013-12-17 | Stmicroelectronics, Inc. | Method of fabricating an integrated circuit having a strain inducing hollow trench isolation region |
| DE102010064281B4 (de) * | 2010-12-28 | 2017-03-23 | GLOBALFOUNDRIES Dresden Module One Ltd. Liability Company & Co. KG | Herstellung einer Kanalhalbleiterlegierung durch Erzeugen eines Hartmaskenschichtstapels und Anwenden eines plasmaunterstützten Maskenstrukturierungsprozesses |
| US8466018B2 (en) | 2011-07-26 | 2013-06-18 | Globalfoundries Inc. | Methods of forming a PMOS device with in situ doped epitaxial source/drain regions |
| WO2014178421A1 (ja) * | 2013-05-02 | 2014-11-06 | 富士フイルム株式会社 | エッチング液およびエッチング液のキット、これをもちいたエッチング方法および半導体基板製品の製造方法 |
| US8962430B2 (en) | 2013-05-31 | 2015-02-24 | Stmicroelectronics, Inc. | Method for the formation of a protective dual liner for a shallow trench isolation structure |
| CN104157699B (zh) * | 2014-08-06 | 2019-02-01 | 北京大学深圳研究生院 | 一种背沟道刻蚀型薄膜晶体管及其制备方法 |
| FR3029011B1 (fr) | 2014-11-25 | 2018-04-13 | Commissariat A L'energie Atomique Et Aux Energies Alternatives | Procede ameliore de mise en contrainte d'une zone de canal de transistor |
| US10163912B2 (en) | 2016-01-29 | 2018-12-25 | Taiwan Semiconductor Manufacturing Co., Ltd. | Method for semiconductor device fabrication with improved source drain proximity |
| US10269936B2 (en) * | 2017-08-31 | 2019-04-23 | Taiwan Semiconductor Manufacturing Company, Ltd. | FinFET device and method of forming same |
| US11443982B2 (en) | 2018-11-08 | 2022-09-13 | International Business Machines Corporation | Formation of trench silicide source or drain contacts without gate damage |
| US11309402B2 (en) | 2020-03-05 | 2022-04-19 | Sandisk Technologies Llc | Semiconductor device containing tubular liner spacer for lateral confinement of self-aligned silicide portions and methods of forming the same |
| CN116779615B (zh) * | 2023-08-23 | 2023-11-07 | 合肥晶合集成电路股份有限公司 | 一种集成半导体器件及其制作方法 |
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- 2009-10-21 CN CN200980143153.9A patent/CN102203915B/zh active Active
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Also Published As
| Publication number | Publication date |
|---|---|
| KR101482200B1 (ko) | 2015-01-14 |
| KR20110081334A (ko) | 2011-07-13 |
| JP2012507162A (ja) | 2012-03-22 |
| CN102203915B (zh) | 2015-08-26 |
| US20100109091A1 (en) | 2010-05-06 |
| DE102008054075B4 (de) | 2010-09-23 |
| US8026134B2 (en) | 2011-09-27 |
| CN105304477B (zh) | 2018-06-05 |
| CN105304477A (zh) | 2016-02-03 |
| CN102203915A (zh) | 2011-09-28 |
| DE102008054075A1 (de) | 2010-05-20 |
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