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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0908888 (2001-07-20) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 5 인용 특허 : 559 |
High quality epitaxial layers of monocrystalline materials can be grown overlying monocrystalline substrates such as large silicon wafers by forming a compliant substrate for growing the monocrystalline layers. An accommodating buffer layer comprises a layer of monocrystalline oxide spaced apart fro
High quality epitaxial layers of monocrystalline materials can be grown overlying monocrystalline substrates such as large silicon wafers by forming a compliant substrate for growing the monocrystalline layers. An accommodating buffer layer comprises a layer of monocrystalline oxide spaced apart from a silicon wafer by an amorphous interface layer of silicon oxide. The amorphous interface layer dissipates strain and permits the growth of a high quality monocrystalline oxide accommodating buffer layer. The accommodating buffer layer is lattice matched to both the underlying silicon wafer and the overlying monocrystalline material layer. Any lattice mismatch between the accommodating buffer layer and the underlying silicon substrate is taken care of by the amorphous interface layer. In addition, formation of a compliant substrate may include utilizing surfactant enhanced epitaxy, epitaxial growth of single crystal silicon onto single crystal oxide, and epitaxial growth of Zintl phase materials. A wavelength locker for stabilizing a wavelength of an optical output signal from an optical transmitter is formed overlying the silicon wafer.
We claim: 1. A semiconductor structure comprising: a monocrystalline silicon substrate; an amorphous oxide material in contact with the monocrystalline silicon substrate; a monocrystalline metal oxide selected from the group consisting of alkaline earth metal titanates, alkaline earth metal zircona
We claim: 1. A semiconductor structure comprising: a monocrystalline silicon substrate; an amorphous oxide material in contact with the monocrystalline silicon substrate; a monocrystalline metal oxide selected from the group consisting of alkaline earth metal titanates, alkaline earth metal zirconates, alkaline earth metal hafnates, alkaline earth metal tantalates, alkaline earth metal ruthenates, alkaline earth metal niobates, alkaline earth metal vanadates, alkaline earth metal tin-based perovskites, lanthanum aluminate, lanthanum scandium oxide, gadolinium oxide and mixtures thereof contacting the amorphous oxide material; a monocrystalline compound semiconductor material overlying the monocrystalline metal oxide; and a wavelength locker overlying the monocrystalline silicon substrate, the wavelength locker operable to provide a feedback signal to an optical transmitter in response to a reception of an optical output signal from the optical transmitter, the feedback signal to stabilize a transmission of the optical output signal by the optical transmitter. 2. The semiconductor structure of claim 1, wherein the wavelength locker comprises a reference filter formed in the monocrystalline compound semiconductor material. 3. The semiconductor structure of claim 1, wherein the wavelength locker comprises a signal converter formed in the monocrystalline compound semiconductor material. 4. The semiconductor structure of claim 1, wherein the wavelength locker comprises a splitter formed in the monocrystalline compound semiconductor material. 5. The semiconductor structure of claim 1, wherein the wavelength locker comprises a controller formed in monocrystalline silicon substrate.
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