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公开(公告)号：US20210218223A1
公开(公告)日：2021-07-15
申请号：US17123712
申请日：2020-12-16
发明人： Romeo Letor , Antoine Pavlin , Alfio Russo , Nadia Lecci
IPC分类号： H01S5/042 , G01S7/484 , H03K17/687
摘要： An embodiment pulse generator circuit is configured to apply a current pulse to two output terminals. The pulse generator circuit comprises an LC resonant circuit comprising an inductance and a capacitance connected in series between a first node and a negative input terminal. The pulse generator circuit comprises a charge circuit configured to charge the capacitance via a supply voltage, a first electronic switch configured to selectively short-circuit the two output terminals, a second electronic switch configured to selectively connect the two output terminals in parallel with the LC resonant circuit, and a control circuit configured to drive the first and the second electronic switch.
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公开(公告)号：US11894657B2
公开(公告)日：2024-02-06
申请号：US17360381
申请日：2021-06-28
发明人： Romeo Letor , Vanni Poletto , Antoine Pavlin , Nadia Lecci , Alfio Russo
CPC分类号： H01S5/06216 , H01S5/0261 , H03K5/07
摘要： An embodiment pulse generator circuit comprises a first electronic switch coupled between first and second nodes, and a second electronic switch coupled between the second node and a reference node. An LC resonant circuit comprising an inductance and a capacitance is coupled between the first and reference nodes along with charge circuitry comprises a further inductance in a current flow line between a supply node and an intermediate node in the LC resonant circuit. Drive circuitry of the electronic switches repeats, during a sequence of switching cycles, charge time intervals, wherein the capacitance in the LC resonant circuit is charged via the charge circuit, and pulse generation time intervals, wherein a pulsed current is provided to the load via the first and second nodes. The charge and pulse generation time intervals are interleaved with oscillation time intervals where the LC resonant circuit oscillates at a resonance frequency.
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公开(公告)号：US20220014187A1
公开(公告)日：2022-01-13
申请号：US17338157
申请日：2021-06-03
发明人： Romeo Letor , Vanni Poletto , Antoine Pavlin , Alfio Russo , Nadia Lecci
IPC分类号： H03K17/687 , H01S5/042
摘要： In accordance with an embodiment, a pulse generator circuit includes: an LC resonant circuit coupled between a first node and a reference node; a first switch coupled between the first node and the reference node; a switching network comprising a second switch coupled between the first node and a respective drive node; and drive circuit having outputs coupled to the first switch and to the second switch of the switching network. The drive circuit configured to, in repeating cycles: close the first switch when a current flowing through an inductor of the LC resonant circuit increases during a resonant cycle, when the current flowing through the inductor reaches a threshold value, open the first switch, close the second switch of the switching network for a pulse duration time when the first switch is open, and open the second switch at an expiration of the pulse duration time.
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公开(公告)号：US20220013984A1
公开(公告)日：2022-01-13
申请号：US17360381
申请日：2021-06-28
发明人： Romeo Letor , Vanni Poletto , Antoine Pavlin , Nadia Lecci , Alfio Russo
摘要： An embodiment pulse generator circuit comprises a first electronic switch coupled between first and second nodes, and a second electronic switch coupled between the second node and a reference node. An LC resonant circuit comprising an inductance and a capacitance is coupled between the first and reference nodes along with charge circuitry comprises a further inductance in a current flow line between a supply node and an intermediate node in the LC resonant circuit. Drive circuitry of the electronic switches repeats, during a sequence of switching cycles, charge time intervals, wherein the capacitance in the LC resonant circuit is charged via the charge circuit, and pulse generation time intervals, wherein a pulsed current is provided to the load via the first and second nodes. The charge and pulse generation time intervals are interleaved with oscillation time intervals where the LC resonant circuit oscillates at a resonance frequency.
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5.发明公开公开(公告)号：US20240204478A1
公开(公告)日：2024-06-20
申请号：US18533585
申请日：2023-12-08
发明人： Romeo Letor , Alfio Russo , Nadia Lecci , Antonio Filippo Massimo Pizzardi , Antoine Pavlin , Vanni Poletto , Marco Brera , Simone Bianchi
IPC分类号： H01S5/026 , G01S7/481 , H01S5/02326 , H01S5/40
CPC分类号： H01S5/0261 , G01S7/4814 , H01S5/02326 , H01S5/4025
摘要： In a driver circuit couplable to laser diodes, a semiconductor body has a first surface. First and second control switches have drains coupled to a drain metallization, which is couplable to a power supply line, and sources coupled to respective first and second source metallizations, which are couplable to cathode terminals of the laser diodes and a reference node. A plurality of high-side switches have drains coupled to the drain metallization and sources coupled to third source metallizations, each of which is coupled to a respective drive output node for driving an anode terminal of a respective laser diode. The drain, first, second and third source metallizations face the first surface of the semiconductor body, which faces the laser diodes. The second and third source metallizations are aligned with one another and are superimposed to the respective source terminals of the second control switch and high-side switches.
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6.发明授权公开(公告)号：US11037965B2
公开(公告)日：2021-06-15
申请号：US16654910
申请日：2019-10-16
IPC分类号： H01L27/14 , G01N21/85 , H01L27/144 , G01N21/31 , G01N21/05 , H01L31/18 , H01L31/0216 , G01N21/61 , H01L31/108 , H01L31/00 , H01L31/0312 , H01L31/103 , G01N21/33 , G01M15/10
摘要： An optical device for detecting a first chemical species and a second chemical species contained in a specimen, which includes: a first optical sensor, which may be optically coupled to an optical source through the specimen and is sensitive to radiation having a wavelength comprised in a first range of wavelengths; and a second optical sensor, which may be optically coupled to the optical source through the specimen and is sensitive to radiation having a wavelength comprised in a second range of wavelengths, different from the first range of wavelengths.
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公开(公告)号：US20150000402A1
公开(公告)日：2015-01-01
申请号：US14303522
申请日：2014-06-12
IPC分类号： G01C19/5712 , B81C1/00
CPC分类号： B81C1/0015 , B81C2203/075 , G01H3/06 , G01H9/00
摘要： A MEMS sensor has at least a movable element designed to oscillate at an oscillation frequency, and an integrated measuring system coupled to the movable element to provide a measure of the oscillation frequency. The measuring system has a light source to emit a light beam towards the movable element and a light detector to receive the light beam reflected back from the movable element, including a semiconductor photodiode array. In particular, the light detector is an integrated photomultiplier having an array of single photon avalanche diodes.
摘要翻译： MEMS传感器至少具有设计成以振荡频率振荡的可移动元件，以及耦合到可移动元件的集成测量系统，以提供振荡频率的测量。 测量系统具有向可动元件发射光束的光源和用于接收从包括半导体光电二极管阵列的可移动元件反射回的光束的光检测器。 特别地，光检测器是具有单光子雪崩二极管阵列的集成光电倍增管。
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8.发明申请公开(公告)号：US20140096606A1
公开(公告)日：2014-04-10
申请号：US14041180
申请日：2013-09-30
IPC分类号： G01V7/08
摘要： A semiconductor detector of gravitational waves of a first frequency may include an oscillator having a metal coated oscillating member over a metal coated semiconductor substrate to be subjected to a Casimir attraction force towards the semiconductor substrate. The oscillator may be configured to exert a force to counterbalance the Casimir attraction force causing the oscillating member oscillates with a main harmonic resonance frequency equal to the first frequency. A displacement sensor may be coupled to the substrate and oscillating member and configured to sense oscillations and to generate corresponding sense signals. A pass-band filter may be tuned to the main harmonic resonance frequency and configured to generate band-pass replica signals of the sense signals, and an airtight package may be configured to keep a vacuum between the oscillating member and the semiconductor substrate. An array of semiconductor detectors and a method of detecting gravitational waves are also disclosed.
摘要翻译： 第一频率的重力波的半导体检测器可以包括在金属涂覆的半导体衬底上具有金属涂覆的振荡元件的振荡器，以经受对半导体衬底的卡西米尔吸引力。 振荡器可以被配置为施加力以平衡卡西米尔吸引力，导致振荡部件以等于第一频率的主谐波谐振频率振荡。 位移传感器可以耦合到衬底和振荡构件并且被配置为感测振荡并产生相应的感测信号。 可以将通带滤波器调谐到主谐波谐振频率并被配置为产生感测信号的带通复制信号，并且气密封装可以被配置为在振荡构件和半导体衬底之间保持真空。 还公开了一种半导体检测器阵列和一种检测引力波的方法。
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9.发明授权公开(公告)号：US10483298B2
公开(公告)日：2019-11-19
申请号：US15583750
申请日：2017-05-01
IPC分类号： H01L27/00 , H01L31/0216 , G01N21/85 , H01L27/144 , G01N21/31 , G01N21/05 , H01L31/18 , G01N21/61 , H01L31/00 , H01L31/0312 , H01L31/103 , H01L31/108 , G01N21/33 , G01M15/10
摘要： An optical device for detecting a first chemical species and a second chemical species contained in a specimen, which includes: a first optical sensor, which may be optically coupled to an optical source through the specimen and is sensitive to radiation having a wavelength comprised in a first range of wavelengths; and a second optical sensor, which may be optically coupled to the optical source through the specimen and is sensitive to radiation having a wavelength comprised in a second range of wavelengths, different from the first range of wavelengths.
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10.发明申请PHOTODETECTOR WITH INTEGRATED MICROFLUIDIC CHANNEL AND MANUFACTURING PROCESS THEREOF 有权具有集成微流通道的光电转换器及其制造工艺公开(公告)号：US20140021330A1
公开(公告)日：2014-01-23
申请号：US13925577
申请日：2013-06-24
发明人： Alfio Russo , Giuseppina Valvo
IPC分类号： H01L31/107 , H01L31/18
CPC分类号： H01L31/18 , B01L3/5027 , G01N21/05 , G01N21/6454 , H01L31/107
摘要： A photodetector including: a photodiode having a body made of semiconductor material delimited by a first surface, the body forming a first electrode region; a dielectric region, set on top of the first surface and delimited by a second surface; at least one channel extending within the dielectric region, starting from the second surface; and a first metallization, which is set on top of the second surface and is in electrical contact with the first electrode region.
摘要翻译： 一种光检测器，包括：光电二极管，具有由第一表面限定的半导体材料制成的主体，所述主体形成第一电极区; 介电区域，设置在第一表面的顶部并由第二表面限定; 从所述第二表面开始的至少一个在所述电介质区域内延伸的通道; 以及第一金属化，其被设置在第二表面的顶部并与第一电极区域电接触。
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