Patents by Inventor Wenliang Chen
Wenliang Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11967363Abstract: A display controller includes a first chip and a second chip. The first chip is configured to control a display device. The second chip is externally coupled to the first chip, and configured to be a random access memory and. The first chip is further configured to provide a first supply power to the second chip and to access the second chip during the controlling of the display device.Type: GrantFiled: September 28, 2021Date of Patent: April 23, 2024Assignee: AP MEMORY TECHNOLOGY CORPORATIONInventors: Wenliang Chen, Girish Nanjappa, Lin Ma, Hung-Piao Ma, Keng Lone Wong, Chun Yi Lin
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Publication number: 20240120431Abstract: Clean version of the Abstract A preparation method for growing a germanium sulfide (GeS2) single-crystal thin film on a SiO2 substrate includes: cleaning a surface of a substrate with acetone, ethanol and deionized water, where the substrate is a Si/SiO2 substrate or a SiO2 glass substrate; photoetching the substrate, spin-coating a photoresist, and performing photoetching and dry etching or wet etching to obtain a groove pattern; depositing a germanium (Ge)-crystal layer in the groove pattern of the substrate to obtain a treated substrate; and putting the treated substrate into a chemical vapor deposition (CVD) device for growth, a growth source being high-purity sulfur (S) powder and high-purity Ge powder, thereby obtaining a GeS2 single-crystal thin film on the SiO2 substrate. The preparation method can grow GeS2 single crystals on the SiO2 substrate. The GeS2 single crystals have a high crystalline quality and a small surface roughness.Type: ApplicationFiled: December 30, 2021Publication date: April 11, 2024Applicant: SOUTH CHINA UNIVERSITY OF TECHNOLOGYInventors: Guoqiang LI, Sheng CHEN, Wenliang WANG, Jixing CHAI
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Publication number: 20240112727Abstract: An interface of a memory circuit includes a chip enable terminal, at least one data terminal, and a data strobe terminal. The chip enable terminal receives a chip enable signal that varies between a first high voltage and a low voltage. The at least one data terminal receives a first data signal that varies between a second high voltage and the low voltage during a command phase, and transmits or receives a second data signal during a data phase. The data strobe terminal receives a first data strobe signal that periodically varies between the second high voltage and the low voltage during the command phase, and transmits or receives a second data strobe signal that swings periodically during the data phase. During a transition interval between the command phase and the data phase, the data strobe terminal stops receiving or transmitting data strobe signals that swing periodically.Type: ApplicationFiled: December 11, 2023Publication date: April 4, 2024Inventors: WENLIANG CHEN, GIRISH NANJAPPA, LIN MA, HUNG-PIAO MA, KENG LONE WONG, CHUN YI LIN
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Publication number: 20240035932Abstract: A method of generating, from a first thermal model describing the individual thermal behaviour of an electrical machine and a second thermal model describing the individual thermal behaviour of a device, a composite thermal model describing the thermal behaviour of a system having the electrical machine connected to the device, the method including: a) connecting at least one geometric entity of one of the first thermal model and the second thermal model to a plurality of geometric entities of the other one of the first thermal model and the second thermal model, each connection including at least one of a heat source and a thermal impedance, wherein the first thermal model and the second thermal model connected to each other form an initial composite thermal model, b) comparing measured temperatures with corresponding estimated temperatures obtained from the initial composite thermal model, and in case an estimated temperature deviates with more than a threshold value from a measured temperature, c) adjustinType: ApplicationFiled: February 16, 2021Publication date: February 1, 2024Inventors: Kristian Rönnberg, Panagiotis Kakosimos, Wenliang Chen
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Patent number: 11887974Abstract: A method of operating a microelectronic package includes a processing device stacking vertically with at least one memory device. The method includes a step of: reading data stored in a plurality of memory cells of a plurality of memory units of the memory device, with the processing device, with a plurality of signal channels each of which is dedicated to transmit signals from the processing device to one of the memory units and vice versa.Type: GrantFiled: February 2, 2022Date of Patent: January 30, 2024Assignee: AP Memory Technology Corp.Inventors: Wenliang Chen, Lin Ma, Alessandro Minzoni
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Publication number: 20230412081Abstract: A switched mode power supply (SMPS) includes a first switch, a second switch connected, at a switching node, in series with the first switch, and an inductor coupled between the switching node and an output node for providing an inductor current, at the output node. The SMPS also includes an oscillator circuit for providing a clock signal characterized by an oscillating frequency, an adaptive minimum duty-cycle circuit configured to receive an error voltage signal and to generate a current signal to vary the oscillating frequency of the clock signal in response to the error voltage signal, wherein the error voltage signal is based on an output signal at the output node, and a pulse-width modulation (PWM) circuit configured to receive the error voltage signal and the clock signal and to provide a switching control signal to control the first switch and the second switch.Type: ApplicationFiled: September 6, 2023Publication date: December 21, 2023Applicant: Diodes IncorporatedInventors: Wenliang Chen, Jiansong Chen
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Publication number: 20230410884Abstract: A memory device includes one or more memory blocks. Each memory block includes a plurality of first sense amplifier circuits, a plurality of row segments, and a plurality of row decoders. The row segments and the first sense amplifier circuits are arranged alternately along a first direction. Each row segment includes a plurality of memory cells arranged in rows and columns. Each column of memory cells extends in the first direction. The row segments are divided into N groups of row segments, and N is greater than one. The row decoders are coupled to the row segments respectively, and divided into N groups of row decoders.Type: ApplicationFiled: June 9, 2023Publication date: December 21, 2023Inventor: WENLIANG CHEN
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Patent number: 11842763Abstract: An interface of a memory circuit includes a chip enable terminal, at least one data terminal, and a data strobe terminal. The chip enable terminal receives a chip enable signal that varies between a first high voltage and a low voltage for enabling the memory circuit. The at least one data terminal receives at least one first data signal that varies between a second high voltage and the low voltage. The data strobe terminal receives a first data strobe signal that periodically varies between the second high voltage and the low voltage. The first data strobe signal is synchronized with the at least one first data signal, and is arranged to latch and sample the at least one first data signal. The first high voltage is higher than the second high voltage, and the second high voltage is higher than the low voltage.Type: GrantFiled: November 18, 2021Date of Patent: December 12, 2023Assignee: AP MEMORY TECHNOLOGY CORPORATIONInventors: Wenliang Chen, Girish Nanjappa, Lin Ma, Hung-Piao Ma, Keng Lone Wong, Chun Yi Lin
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Publication number: 20230262957Abstract: A method for manufacturing a plurality of semiconductor structures is provided. The method includes the operations as follows. A first hybrid bonding layer is formed over a first wafer including a plurality of first memory structures. A second hybrid bonding layer is formed over a second wafer including a plurality of control circuit structures. The memory structures and the control circuit structures are in contact with the first and the second hybrid bonding layers, respectively. The first wafer and the second wafer are bonded through a first hybrid bonding operation to connect the first and the second hybrid bonding layers, thereby obtaining a first bonded wafer. At least the first wafer, the second wafer, the first hybrid bonding structure, and the second hybrid bonding structure are singulated to obtain the plurality of semiconductor structures. A method for manufacturing a system in package (SiP) is also provided.Type: ApplicationFiled: April 26, 2023Publication date: August 17, 2023Inventors: WENLIANG CHEN, LIN MA
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Publication number: 20230213583Abstract: A method of monitoring an electrical machine, wherein the method includes: a) obtaining temperature measurement values of the temperature at a plurality of locations of the electrical machine, b) obtaining estimated temperatures at the plurality of locations given by a thermal model of the electrical machine, the thermal model including initial weight parameter values, c) minimizing a difference between the temperature measurement values and the estimated temperatures by finding optimal weight parameter values, d) storing the initial weight parameter values to thereby obtain a storage of used weight parameter values, and updating the optimal weight parameter values as new initial weight parameter values, and repeating steps a)-d) over and over during operation of the electrical machine.Type: ApplicationFiled: June 15, 2021Publication date: July 6, 2023Inventors: Panagiotis Kakosimos, Federico Bertoldi, Wenliang Chen, Kristian Rönnberg
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Patent number: 11688681Abstract: A DRAM chiplet structure is provided. The DRAM chiplet structure includes a first hybrid bonding structure, a DRAM interface structure, and a first DRAM core structure. The first hybrid bonding structure has a first surface and a second surface. The DRAM interface structure is in contact with the first surface of the first hybrid bonding structure. The first DRAM core structure is in contact with the second surface of the first hybrid bonding structure. The DRAM interface structure is electrically connected to the first DRAM core structure through the first hybrid bonding structure.Type: GrantFiled: June 11, 2021Date of Patent: June 27, 2023Assignee: AP MEMORY TECHNOLOGY CORPORATIONInventor: Wenliang Chen
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Patent number: 11672111Abstract: A semiconductor structure is provided. The semiconductor structure includes a first hybrid bonding structure, a memory structure, and a control circuit structure. The first hybrid bonding layer includes a first surface and a second surface. The memory structure is in contact with the first surface. The control circuit structure is configured to control the memory structure. The control circuit structure is in contact with the second surface. A system in package (SiP) structure and a method for manufacturing a plurality of semiconductor structures are also provided.Type: GrantFiled: July 3, 2020Date of Patent: June 6, 2023Assignee: AP MEMORY TECHNOLOGY CORPORATIONInventors: Wenliang Chen, Lin Ma
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Publication number: 20230155505Abstract: A method for a switched mode power supply (SMPS) includes providing an error voltage signal based on a difference between a sampled output voltage of the SMPS and a target voltage, and generating a clock signal characterized by an oscillating frequency; generating a switching control signal based on the error voltage signal and the clock signal using pulse-width modulation (PWM). The method further includes varying the oscillating frequency of the clock signal according to the error voltage signal in a current generating circuit, and applying the switching control signal to control the power switches of the SMPS.Type: ApplicationFiled: November 12, 2021Publication date: May 18, 2023Applicant: Diodes IncorporatedInventors: Wenliang Chen, Jiansong Chen
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Publication number: 20230112496Abstract: A remote monitoring method, a system and a storage medium for a sewage treatment process are provided. The remote monitoring method for the sewage treatment process includes steps of: collecting sensor data with a sewage treatment data collection platform, wherein the sewage treatment data collection platform has at least one sensor for collecting sewage data; establishing an abnormal situation detection platform with a deep learning technology to detect an abnormal situation of the sensor data, and raising an alarm if the abnormal situation occurs; establishing an abnormal situation diagnosis platform with the deep learning technology to diagnose the detected abnormal situation, so as to determine a type of abnormal situation; and using the sensor data to optimize and control parameters of the sewage treatment process based on the deep learning technology.Type: ApplicationFiled: September 6, 2022Publication date: April 13, 2023Inventors: Chenlong Li, Xiaoshuang Ma, Feng Wang, Wenliang Chen, Changshun Yuan, Jun Wang
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Publication number: 20220399271Abstract: A semiconductor device with an identification structure is provided. The semiconductor device includes a substrate and a metallization structure over the substrate. The metallization structure includes an interconnection region having a plurality of metal layers and an identification region isolated from the interconnection region. The identification region has an identification structure leveled with one of the metal layer. The identification structure includes at least one exposing recess and at least one exposing fuse. A method for manufacturing a semiconductor device with an identification structure and a method for tracing a production information of a semiconductor device are also provided.Type: ApplicationFiled: May 19, 2022Publication date: December 15, 2022Inventor: WENLIANG CHEN
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Publication number: 20220359456Abstract: A method for bonding tested wafers is provided. The method includes the following operations. A first wafer having a first surface is received, and the first wafer includes a test pad and a conductive pad at the first surface of the first wafer and the test pad has a recess caused by a test probe and the conductive pad is electrically connected to the test pad. The first surface of the first wafer is planarized. A first hybrid bonding layer is formed over the first surface of the first wafer. The first wafer and a second wafer are bonded to connect the first hybrid bonding layer and a second hybrid bonding layer on the second water. A semiconductor structure and a method for testing pre-bonded wafers are also provided.Type: ApplicationFiled: March 23, 2022Publication date: November 10, 2022Inventors: WENLIANG CHEN, CHIEN AN YU
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Publication number: 20220302021Abstract: A circuit assembly includes an integrated circuit (IC) die and a capacitor die. The IC die has a first hybrid bonding layer. The capacitor die is stacked with the IC die, and is configured to include a capacitor coupled to the IC die, and has a second hybrid bonding layer in contact with the first hybrid bonding layer; wherein the IC die is electrically coupled to the capacitor die through the first hybrid bonding layer and the second hybrid bonding layer.Type: ApplicationFiled: June 1, 2022Publication date: September 22, 2022Applicant: AP Memory Technology Corp.Inventors: Wenliang CHEN, Jun GU, Masaru HARAGUCHI, Takashi KUBO, Chien-An YU, Chun Yi LIN
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Publication number: 20220284150Abstract: This patent studies a scale-span modeling method to simulate the structural mechanical responses and dynamic progressive failure behaviors of carbon fiber reinforced plastics (CFRPs) in drilling. Firstly, considering the different mechanical behaviors of fiber and matrix in micro state, a three-dimensional multi-scale dynamic progressive damage evolution model based on micro failure theory is proposed. Based on the degradation elastic parameters of microcomponent in typical volume element model, a new damage evolution model of fiber and resin matrix and an auxiliary deletion criterion of failure element are proposed. Secondly, the relationship between the macro stress and the micro stress of representative volume element in the composite model is established by using the stress amplification factor. Combined with the bilinear cohesion element model, the damage behavior of the composite in and between layers under the cutting action of dagger drill is simulated.Type: ApplicationFiled: July 16, 2020Publication date: September 8, 2022Applicant: Nanjing University Of Aeronautics And AstronauticsInventors: Zhenchao Qi, Yong Liu, Xingxing Wang, Wenliang Chen, Yexin Xiao, Zhenchao QI, Chenxi Yao, Fengchen Li, Ziqin Zhang
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Patent number: 11417628Abstract: A method for manufacturing a semiconductor structures is provided. The method includes forming a first hybrid bonding layer over a first wafer having a logic structure, forming a second hybrid bonding layer over a second wafer having a first capacitor structure, bonding the first wafer and the second wafer through a hybrid bonding operation to connect the first hybrid bonding layer and the second hybrid bonding layer, thereby obtaining a first bonded wafer, and the first capacitor structure is electrically connected to the logic structure through the first hybrid bonding layer and the second hybrid bonding layer, and singulating the first bonded wafer to obtain a plurality of semiconductor structures.Type: GrantFiled: September 1, 2020Date of Patent: August 16, 2022Assignee: AP Memory Technology CorporationInventors: Wenliang Chen, Jun Gu, Masaru Haraguchi, Takashi Kubo, Chien An Yu, Chun Yi Lin
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Publication number: 20220238430Abstract: A capacitor structure is provided. The capacitor structure includes a substrate, a middle-of-line (MEOL) structure, and a metallization structure. The substrate has a first surface and a second surface opposite to the first surface. The MEOL structure is over the first surface of the substrate. The MEOL structure includes a capacitor, and the capacitor includes a bottom plate and a top plate over the bottom metal plate. The metallization structure is over the MEOL structure. The substrate further includes a plurality of first through vias extending from the second surface of the substrate to the bottom metal plate. The semiconductor structure including the capacitor structure and the method for manufacturing the semiconductor structure are also provided.Type: ApplicationFiled: April 15, 2022Publication date: July 28, 2022Inventor: WENLIANG CHEN