发明名称 |
Room temperature, low-light-level visible imager |
摘要 |
A photodetector sensitive to visible and shorter wavelengths is capable of single photon sensitivity at room temperatures and video frame rates. It includes (a) a compound semiconductor photodiode, biased below its avalanche breakdown threshold, comprising III-V elemental components and having a bandgap with transition energy higher than the energy of infrared photons; and (b) a high trans-impedance interface circuit, arranged to receive a signal from the photodiode junction and to amplify said signal. Preferably, the photodiode junction is integrated in a first microstructure on a first substrate, and its interface circuit in a second microstructure on a second substrate. Both microstructures are then joined in a laminar, sandwich-like structure and communicate via electrically conducting contacts.
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申请公布号 |
US6476374(B1) |
申请公布日期 |
2002.11.05 |
申请号 |
US20000557133 |
申请日期 |
2000.04.25 |
申请人 |
INNOVATIVE TECHNOLOGY LICENSING, LLC |
发明人 |
KOZLOWSKI LESTER J.;SULLIVAN GERARD J.;DEWAMES ROGER E.;MCDERMOTT BRIAN T. |
分类号 |
H01L27/146;H01L31/101;H01L31/103;(IPC1-7):H01L31/030 |
主分类号 |
H01L27/146 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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