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61.发明公开公开(公告)号：US20240206133A1
公开(公告)日：2024-06-20
申请号：US18395137
申请日：2023-12-22
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Cristiano Gianluca STELLA , Francesco SALAMONE
IPC: H05K7/20 , H01L23/373 , H01L25/07
CPC classification number: H05K7/209 , H01L23/3735 , H01L25/071
Abstract: The device has a first support element forming a first thermal dissipation surface and carrying a first power component; a second support element forming a second thermal dissipation surface and carrying a second power component, a first contacting element superimposed to the first power component; a second contacting element superimposed to the second power component; a plurality of leads electrically coupled with the power components through the first and/or the second support elements; and a thermally conductive body arranged between the first and the second contacting elements. The first and the second support elements and the first and the second contacting elements are formed by electrically insulating and thermally conductive multilayers.
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公开(公告)号：US20240201351A1
公开(公告)日：2024-06-20
申请号：US18532939
申请日：2023-12-07
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Davide RUGGIERO , Rosario SCHIANO LO MORIELLO
IPC: G01S7/52
CPC classification number: G01S7/52025
Abstract: Method to provide a TOF estimate by a TOF device. The method comprises: generating an electric echo signal indicative of an ultrasonic echo signal returned by a target body by the ultrasonic source signal; determining an envelope signal indicative of an envelope of the electric echo signal; generating a first TOF estimate by processing the electric echo signal; determining an envelope signal portion of the envelope signal based on a non-PSOA hyperparameter; and generating a second TOF estimate by processing the envelope signal portion through PSOA, the second TOF estimate having a measurement accuracy value greater than that of the first TOF estimate. PSOA is optimized based on a PSOA hyperparameter set. The non-PSOA hyperparameter and the PSOA hyperparameter set are selected among a plurality of choices based on the first TOF estimate, so as to obtain the second TOF estimate which has greater accuracy than the first TOF estimate.
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公开(公告)号：US20240199408A1
公开(公告)日：2024-06-20
申请号：US18590533
申请日：2024-02-28
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Giorgio ALLEGATO , Lorenzo CORSO , Ilaria GELMI , Carlo VALZASINA
CPC classification number: B81B3/0051 , B81C1/00595 , B81B2201/0235 , B81B2201/0242 , B81C2201/0198
Abstract: A process for manufacturing a MEMS device includes forming a first structural layer of a first thickness on a substrate. First trenches are formed through the first structural layer, and masking regions separated by first openings are formed on the first structural layer. A second structural layer of a second thickness is formed on the first structural layer in direct contact with the first structural layer at the first openings and forms, together with the first structural layer, thick structural regions having a third thickness equal to the sum of the first and the second thicknesses. A plurality of second trenches are formed through the second structural layer, over the masking regions, and third trenches are formed through the first and the second structural layers by removing selective portions of the thick structural regions.
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公开(公告)号：US12015346B2
公开(公告)日：2024-06-18
申请号：US17565674
申请日：2021-12-30
Applicant: STMicroelectronics S.r.l.
Inventor： Andrea Barbieri , Aldo Vidoni , Marco Zamprogno
CPC classification number: H02M3/158 , H02M1/0025 , H02M1/08
Abstract: A DC-DC boost converter includes an inductor coupled between an input voltage and an input node, a diode coupled between the input node and an output node, and an output capacitor coupled between the output node and ground such that an output voltage is formed across the output capacitor. A switch selectively couples the input node to ground in response to a drive signal. Control loop circuitry includes an error amplifier to generate an analog error voltage based upon a comparison of a feedback voltage to a reference voltage, the feedback voltage being indicative of the output voltage, a quantizer to quantize the analog error voltage to produce a digital error signal, and a drive voltage generation circuit to generate the drive signal as having a duty cycle based upon the digital error signal.
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65.发明授权公开(公告)号：US12011269B2
公开(公告)日：2024-06-18
申请号：US16819688
申请日：2020-03-16
Applicant: STMicroelectronics S.r.l.
Inventor： Francesco Rundo , Sabrina Conoci
CPC classification number: A61B5/18 , A61B5/316 , A61B5/725 , A61B5/7264 , A61B5/746 , B60W40/08 , A61B2560/0228 , B60W2040/0872
Abstract: In an embodiment, a method of processing an electrophysiological signal includes collecting the electrophysiological signal that is indicative of a level of attention of a human; filtering the electrophysiological signal via joint low-pass and high-pass filtering using a set of filtering parameters including low-pass filters parameters and high-pass filters parameters having a set of low-pass cut-off frequencies and a set of high-pass cut-off frequencies respectively. The method further includes applying artificial neural network processing to the filtered electrophysiological signal to extract therefrom a set of features of the electrophysiological signal. The method further includes applying classifier processing to the set of features extracted from the filtered electrophysiological signal and producing a classification signal indicative of the level of attention of the human. The method further includes generating a trigger signal to trigger a user circuit based on the classification signal.
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Patent Agency Ranking
公开(公告)号：US20240183719A1
公开(公告)日：2024-06-06
申请号：US18061918
申请日：2022-12-05
Applicant: STMICROELECTRONICS S.r.l.
IPC: G01J5/0806 , G01J5/05 , G01J5/068
CPC classification number: G01J5/0806 , G01J5/05 , G01J5/068
Abstract: A sensor device includes a passive infrared sensor, a control circuit, and a lens that directs infrared radiation onto the passive infrared sensor. The lens includes an obstruction that asymmetrically blocks transmission of infrared radiation through the lens. The control circuit is configured to determine the direction of crossing of individuals passing in front of the sensor device based on sensor signals from the passive infrared sensor.
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公开(公告)号：US12003247B2
公开(公告)日：2024-06-04
申请号：US17846520
申请日：2022-06-22
Applicant: STMicroelectronics S.r.l.
Inventor： Francesco Stilgenbauer
CPC classification number: H03M1/0668 , H03M1/0626 , H03M1/0648 , H03M3/492 , H03M3/51
Abstract: A signal processing circuit includes a filter generating a quantizer input signal from a noise shaping input signal and a quantizer output signal. A quantizer divides the quantizer input signal by a scaling factor to produce a noise shaping output signal and multiplies the noise shaping output signal by the scaling factor to produce the quantizer output signal. Receiver circuitry scales the quantizer output signal by a second scaling factor. A dynamic range optimization circuit compares a current value of the noise shaping input signal to a threshold value, lowers or raises the scaling factor in response to the comparison, and proportionally lowers or raises the scaling factor such that a ratio between the scaling factor and second scaling factor remains substantially constant.
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公开(公告)号：US20240178301A1
公开(公告)日：2024-05-30
申请号：US18530050
申请日：2023-12-05
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Ferdinando IUCOLANO , Alfonso PATTI , Alessandro CHINI
IPC: H01L29/66 , H01L29/20 , H01L29/205 , H01L29/423 , H01L29/778
CPC classification number: H01L29/66462 , H01L29/205 , H01L29/4236 , H01L29/42376 , H01L29/7786 , H01L29/7787 , H01L29/2003
Abstract: A method forms an HEMT transistor of the normally off type, including: a semiconductor heterostructure, which comprises at least one first layer and one second layer, the second layer being set on top of the first layer; a trench, which extends through the second layer and a portion of the first layer; a gate region of conductive material, which extends in the trench; and a dielectric region, which extends in the trench, coats the gate region, and contacts the semiconductor heterostructure. A part of the trench is delimited laterally by a lateral structure that forms at least one first step. The semiconductor heterostructure forms a first edge and a second edge of the first step, the first edge being formed by the first layer.
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公开(公告)号：US11990442B2
公开(公告)日：2024-05-21
申请号：US17537112
申请日：2021-11-29
Applicant: STMicroelectronics S.r.l.
Inventor： Cristina Somma , Aurora Sanna , Damian Halicki
IPC: H01L23/00 , H01L23/498
CPC classification number: H01L24/16 , H01L23/49838 , H01L24/17 , H01L2224/16225 , H01L2224/1713 , H01L2924/30101
Abstract: A semiconductor die is mounted at a die area of a ball grid array package that includes an array of electrically-conductive ball. A power channel conveys a power supply current to the semiconductor die. The power channel is formed by an electrically-conductive connection plane layers extending in a longitudinal direction between a distal end at a periphery of the package and a proximal end at the die area. A distribution of said electrically-conductive balls is made along the longitudinal direction. The electrically-conductive connection plane layer includes subsequent portions in the longitudinal direction between adjacent electrically-conductive balls of the distribution. Respective electrical resistance values of the subsequent portions monotonously decrease from the distal end to the proximal end. A uniform distribution of power supply current over the length of the power channel is thus facilitated.
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公开(公告)号：US11989065B2
公开(公告)日：2024-05-21
申请号：US17578336
申请日：2022-01-18
Applicant: STMICROELECTRONICS S.r.l.
Inventor： Fabio Passaniti , Enrico Rosario Alessi
CPC classification number: G06F1/1677 , G06F1/1616 , G06F1/1652
Abstract: The present disclosure is directed to devices and methods for performing screen state detection. The screen state detection may be used in conjunction with any device with a bendable display. The device and method utilizes an electrostatic charge variation sensor to detect whether the display is in an open state or a closed state.
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