JP2017509158A - SiGeC層をエッチストップとする接合型半導体構造 - Google Patents
SiGeC層をエッチストップとする接合型半導体構造 Download PDFInfo
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Abstract
Description
本出願は、参照によりその全体が本明細書に組み込まれる、2014年3月24日出願の米国特許出願第14/223,060号の優先権を主張する。
101 第1のウエハ
102 第2のウエハ
103 ボンディング層
104 トラップリッチ層
105 基板層
106 活性層
107 能動デバイス
108 絶縁層
109 ソース
110 ドレイン
111 チャネル
112 ゲート
200 バルク半導体基板
201 シリコンゲルマニウムカーボン(SiGeC)層、SiGeC層
202 半導体層
Claims (20)
- 第1の接合材料を含む第1のウエハを形成するステップと、
基板と、SiGeC層と、活性層と、第2の接合材料とを含む第2のウエハを形成するステップであって、前記活性層は前記SiGeC層と前記第2の接合材料の間にあるステップと、
前記第1および第2の接合材料において前記第2のウエハを前記第1のウエハに接合するステップと、
前記SiGeC層をエッチストップとして使用して前記基板を除去するステップと
を備える方法。 - 前記SiGeC層は少なくとも前記活性層の一部に歪みを誘起する、
請求項1に記載の方法。 - 前記SiGeC層を除去するステップをさらに含む、
請求項1に記載の方法。 - 前記第2のウエハを前記形成するステップは、前記第2のウエハを前記第1のウエハに接合するステップより前に前記SiGeC層および前記活性層を形成するステップを含む、
請求項1に記載の方法。 - 前記第2のウエハはバルクシリコンウエハである、
請求項1に記載の方法。 - 前記活性層はゲートおよびチャネルを含み、
前記第2のウエハを前記第1のウエハに前記接合するステップは、前記ゲートを前記チャネルと前記第1のウエハの間にあらしめる、
請求項1に記載の方法。 - 前記第1のウエハを前記形成するステップは、前記第1のウエハの中にトラップリッチ層を形成するステップを含む、
請求項1に記載の方法。 - 第1のウエハと、
前記第1のウエハの表面にある第1の接合材料と、
前記第1のウエハに接合される第2のウエハと、
前記第2のウエハ内にある活性層と、
前記第2のウエハの表面にあり、かつ前記第1の接合材料に接合されている第2の接合材料と
を含む半導体構造であって、
SiGeC層をエッチストップとして用いて、前記第1のウエハとは反対側の前記活性層上にある前記第2のウエハから基板が除去されている、
半導体構造。 - 前記SiGeC層を歪み誘起層としてもさらに含む、
請求項8に記載の半導体構造。 - 前記SiGeC層が除去されている、
請求項8に記載の半導体構造。 - 前記SiGeC層および前記活性層は、前記第1のウエハを前記第2のウエハに接合するよりも前に、前記第2のウエハ内に形成される、
請求項8に記載の半導体構造。 - 前記第2のウエハは内部に前記活性層および前記SiGeC層が形成される前のバルクシリコンウエハである、
請求項8に記載の半導体構造。 - 前記活性層はゲートおよびチャネルを含み、前記ゲートは前記チャネルと前記第1のウエハの間にある、
請求項8に記載の半導体構造。 - 前記第1のウエハ内にトラップリッチ層をさらに含む、
請求項8に記載の半導体構造。 - ハンドルウエハと、
前記ハンドルウエハ内にある第1の接合材料と、
前記ハンドルウエハに接合されるバルクシリコンウエハと、
前記バルクシリコンウエハ内にある活性層と、
前記バルクシリコンウエハ内にあり、かつ前記第1の接合材料に接合されている第2の接合材料と、
前記ハンドルウエハとは反対側の前記活性層上にある前記バルクシリコンウエハ内にあるSiGeC層と
を含む半導体構造であって、
前記SiGeC層をエッチストップとして用いて、前記バルクシリコンウエハから基板が除去されており、
前記ハンドルウエハは前記半導体構造に構造強度を与える、
半導体構造。 - 前記SiGeC層を歪み誘起層としてもさらに含む、
請求項15に記載の半導体構造。 - 前記SiGeC層が除去されている、
請求項15に記載の半導体構造。 - 前記SiGeC層および前記活性層は、前記ハンドルウエハを前記バルクシリコンウエハに接合するよりも前に、前記バルクシリコンウエハ内に形成される、
請求項15に記載の半導体構造。 - 前記活性層はゲートおよびチャネルを含み、前記ゲートは前記チャネルと前記ハンドルウエハの間にある、
請求項15に記載の半導体構造。 - 前記ハンドルウエハ内にトラップリッチ層をさらに含む、
請求項15に記載の半導体構造。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/223,060 US9105689B1 (en) | 2014-03-24 | 2014-03-24 | Bonded semiconductor structure with SiGeC layer as etch stop |
| US14/223,060 | 2014-03-24 | ||
| PCT/US2015/021243 WO2015148212A1 (en) | 2014-03-24 | 2015-03-18 | BONDED SEMICONDUCTOR STRUCTURE WITH SiGeC LAYER AS ETCH STOP |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2017509158A true JP2017509158A (ja) | 2017-03-30 |
| JP6360194B2 JP6360194B2 (ja) | 2018-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2016558195A Expired - Fee Related JP6360194B2 (ja) | 2014-03-24 | 2015-03-18 | SiGeC層をエッチストップとする接合型半導体構造 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9105689B1 (ja) |
| EP (1) | EP3123496A4 (ja) |
| JP (1) | JP6360194B2 (ja) |
| KR (2) | KR20180049273A (ja) |
| CN (1) | CN106104749A (ja) |
| TW (1) | TWI641023B (ja) |
| WO (1) | WO2015148212A1 (ja) |
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| Publication number | Publication date |
|---|---|
| KR20180049273A (ko) | 2018-05-10 |
| WO2015148212A1 (en) | 2015-10-01 |
| TWI641023B (zh) | 2018-11-11 |
| CN106104749A (zh) | 2016-11-09 |
| TW201543539A (zh) | 2015-11-16 |
| JP6360194B2 (ja) | 2018-07-18 |
| EP3123496A4 (en) | 2017-11-08 |
| EP3123496A1 (en) | 2017-02-01 |
| KR20160116011A (ko) | 2016-10-06 |
| US9105689B1 (en) | 2015-08-11 |
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