JP6920358B2 - RFフィルタ用途のためのエピタキシャルAlN/希土類酸化物構造 - Google Patents
RFフィルタ用途のためのエピタキシャルAlN/希土類酸化物構造 Download PDFInfo
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- H10D30/471—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT]
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- H10D30/4755—High electron mobility transistors [HEMT] or high hole mobility transistors [HHMT] having wider bandgap layer formed on top of lower bandgap active layer, e.g. undoped barrier HEMTs such as i-AlGaN/GaN HEMTs having wide bandgap charge-carrier supplying layers, e.g. modulation doped HEMTs such as n-AlGaAs/GaAs HEMTs
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- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H2003/021—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks the resonators or networks being of the air-gap type
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- H10D62/85—Semiconductor bodies, or regions thereof, of devices having potential barriers characterised by the materials being Group III-V materials, e.g. GaAs
- H10D62/8503—Nitride Group III-V materials, e.g. AlN or GaN
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Description
fr=vs/(2×tf) [1]
式中、frは、周波数であり、vsは、圧電層を通した音の速度であり、tfは、圧電層厚である。
Claims (15)
- 層構造であって、
半導体層と、
前記半導体層にわたる第1の希土類酸化物層であって、前記第1の希土類酸化物層は、第1の不連続部分と第2の不連続部分とを含む、第1の希土類酸化物層と、
前記第1の希土類酸化物層にわたってエピタキシャルに成長した金属層であって、前記金属層は、前記第1の不連続部分の第1の領域および前記第2の不連続部分の第2の領域に重複する金属部分を含む、金属層と、
前記金属層にわたってエピタキシャルに成長したIII−N層であって、前記III−N層は、結晶圧電層である、III−N層と、
を含む、層構造。 - 前記III−N層および前記金属部分は、前記第1の不連続部分および前記第2の不連続部分にわたってブリッジを形成する、請求項1に記載の層構造。
- 前記半導体層および前記III−N層は、ブランケット層である、請求項1−2に記載の層構造。
- 前記第1の希土類酸化物層は、第3の不連続部分をさらに含み、付加的な層が、前記第1の希土類酸化物層の第3の不連続部分と前記III−N層との間に位置付けられる、請求項1−3に記載の層構造。
- 前記金属層は、前記第3の不連続部分にわたって成長したいかなる金属をも含まない、請求項4に記載の層構造。
- 前記付加的な層は、ブランケット層である、請求項4−5に記載の層構造。
- 前記付加的な層は、第2の希土類酸化物層を含む、請求項4−6に記載の層構造。
- 前記付加的な層は、希土類窒化物、希土類珪化物、およびIII−Oのうちの少なくとも1つを含み、前記付加的な層は、前記層構造の伝導性を改良する、請求項4−7に記載の層構造。
- 前記III−N層の少なくとも一部は、エピタキシャル・ラテラル・オーバーグロース(ELOG)法を使用して成長される、請求項1−8に記載の層構造。
- 前記半導体層と前記第1の希土類酸化物層との間に位置付けられる酸化硅素層をさらに含む、請求項1−9に記載の層構造。
- 前記III−N層は、AlN、Al、Ga、およびInのうちの1つ以上のものを含む、請求項1−10に記載の層構造。
- 前記III−N層は、AlNと希土類金属との合金を含む、請求項1−11に記載の層構造。
- 前記III−N層にわたってエピタキシャルに成長した付加的な希土類酸化物層をさらに含む、請求項1−12に記載の層構造。
- 前記III−N層にわたるScNの層をさらに含む、請求項1−13に記載の層構造。
- 前記ScN層にわたるIII−V層をさらに含む、請求項14に記載の層構造。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662351995P | 2016-06-19 | 2016-06-19 | |
| US62/351,995 | 2016-06-19 | ||
| PCT/US2017/038142 WO2017222990A1 (en) | 2016-06-19 | 2017-06-19 | Epitaxial aln/rare earth oxide structure for rf filter applications |
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| Publication Number | Publication Date |
|---|---|
| JP2019519932A JP2019519932A (ja) | 2019-07-11 |
| JP6920358B2 true JP6920358B2 (ja) | 2021-08-18 |
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| JP2018566256A Expired - Fee Related JP6920358B2 (ja) | 2016-06-19 | 2017-06-19 | RFフィルタ用途のためのエピタキシャルAlN/希土類酸化物構造 |
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| Country | Link |
|---|---|
| US (1) | US10573686B2 (ja) |
| EP (1) | EP3472873B1 (ja) |
| JP (1) | JP6920358B2 (ja) |
| CN (1) | CN109478591B (ja) |
| TW (1) | TWI728130B (ja) |
| WO (1) | WO2017222990A1 (ja) |
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| CN102903739B (zh) * | 2012-10-19 | 2016-01-20 | 清华大学 | 具有稀土氧化物的半导体结构 |
| US8823055B2 (en) * | 2012-12-17 | 2014-09-02 | Translucent, Inc. | REO/ALO/A1N template for III-N material growth on silicon |
| US8872308B2 (en) * | 2013-02-20 | 2014-10-28 | Translucent, Inc. | AlN cap grown on GaN/REO/silicon substrate structure |
| US9431526B2 (en) * | 2013-02-22 | 2016-08-30 | Translucent, Inc. | Heterostructure with carrier concentration enhanced by single crystal REO induced strains |
| CN103646857B (zh) * | 2013-11-20 | 2016-08-17 | 清华大学 | 半导体结构及其形成方法 |
| US9460917B2 (en) * | 2014-02-12 | 2016-10-04 | Translucent, Inc. | Method of growing III-N semiconductor layer on Si substrate |
| US20160380045A1 (en) * | 2015-06-25 | 2016-12-29 | Tivra Corporation | Crystalline semiconductor growth on amorphous and poly-crystalline substrates |
-
2017
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- 2017-06-19 JP JP2018566256A patent/JP6920358B2/ja not_active Expired - Fee Related
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| US10573686B2 (en) | 2020-02-25 |
| CN109478591B (zh) | 2023-07-25 |
| TW201817008A (zh) | 2018-05-01 |
| EP3472873B1 (en) | 2020-08-19 |
| CN109478591A (zh) | 2019-03-15 |
| JP2019519932A (ja) | 2019-07-11 |
| US20190305039A1 (en) | 2019-10-03 |
| EP3472873A1 (en) | 2019-04-24 |
| WO2017222990A1 (en) | 2017-12-28 |
| TWI728130B (zh) | 2021-05-21 |
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