Patents by Inventor Chun-An Chang

Chun-An Chang 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).

  • Patent number: 11967622
    Abstract: Embodiments provide a dielectric inter block disposed in a metallic region of a conductive line or source/drain contact. A first and second conductive structure over the metallic region may extend into the metallic region on either side of the inter block. The inter block can prevent etchant or cleaning solution from contacting an interface between the first conductive structure and the metallic region.
    Type: Grant
    Filed: September 3, 2021
    Date of Patent: April 23, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Te-Chih Hsiung, Jyun-De Wu, Yi-Chen Wang, Yi-Chun Chang, Yuan-Tien Tu
  • Patent number: 11968102
    Abstract: A method includes analyzing, via a first capturing agent, packets processed in a first environment associated with a first host to yield first data. The method includes analyzing, via a second capturing agent, packets processed by a second environment associated with a second host to yield second data, collecting the first data and the second data at a collector to yield aggregated data, transmitting the aggregated data to an analysis engine which analyzes the aggregated data to yield an analysis. Based on the analysis, the method includes identifying first packet loss at the first environment and second packet loss at the second environment.
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: April 23, 2024
    Assignee: Cisco Technology, Inc.
    Inventors: Khawar Deen, Navindra Yadav, Anubhav Gupta, Shashidhar Gandham, Rohit Chandra Prasad, Abhishek Ranjan Singh, Shih-Chun Chang
  • Patent number: 11966628
    Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. A bit line corresponding to each vector data executes one time of bit-line-setup, and reads the MSB vector and the LSB vector of each vector data according to the bit line. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, and the effective bit number stored by each memory unit is less than 2.
    Type: Grant
    Filed: June 2, 2022
    Date of Patent: April 23, 2024
    Assignee: MACRONIX INTERNATIONAL CO., LTD.
    Inventors: Wei-Chen Wang, Han-Wen Hu, Yung-Chun Li, Huai-Mu Wang, Chien-Chung Ho, Yuan-Hao Chang, Tei-Wei Kuo
  • Patent number: 11967357
    Abstract: A memory unit with time domain edge delay accumulation for computing-in-memory applications is controlled by a first word line and a second word line. The memory unit includes at least one memory cell, at least one edge-delay cell multiplexor and at least one edge-delay cell. The at least one edge-delay cell includes a weight reader and a driver. The weight reader is configured to receive a weight and a multi-bit analog input voltage and generate a multi-bit voltage according to the weight and the multi-bit analog input voltage. The driver is connected to the weight reader and configured to receive an edge-input signal. The driver is configured to generate an edge-output signal having a delay time according to the edge-input signal and the multi-bit voltage. The delay time of the edge-output signal is positively correlated with the multi-bit analog input voltage multiplied by the weight.
    Type: Grant
    Filed: January 21, 2022
    Date of Patent: April 23, 2024
    Assignee: NATIONAL TSING HUA UNIVERSITY
    Inventors: Meng-Fan Chang, Ping-Chun Wu, Li-Yang Hong, Jin-Sheng Ren, Jian-Wei Su
  • Patent number: 11967652
    Abstract: A sensor package structure includes a substrate, a sensor chip and a ring-shaped solder mask frame those are disposed on the substrate, a ring-shaped support disposed on a top side of the annular solder mask frame, and a light permeable member that is disposed on the ring-shaped support. The sensor chip is electrically coupled to the substrate. A top surface of the sensor chip has a sensing region, and the sensing region is spaced apart from an outer lateral side of the sensor chip by a distance less than 300 ?m. The ring-shaped solder mask frame surrounds and contacts the outer lateral side of the sensor chip. The light permeable member, the ring-shaped support, and the sensor chip jointly define an enclosed space.
    Type: Grant
    Filed: February 16, 2023
    Date of Patent: April 23, 2024
    Assignee: TONG HSING ELECTRONIC INDUSTRIES, LTD.
    Inventors: Fu-Chou Liu, Jui-Hung Hsu, Yu-Chiang Peng, Chien-Chen Lee, Ya-Han Chang, Li-Chun Hung
  • Patent number: 11963985
    Abstract: The present invention relates to a coral composite extract, a composition including the same and a method of producing the same. The coral composite extract includes at least two briarane-type diterpenoid compounds from corals of Briareum violaceum, B. excavatum and B. stechei, thereby being applied as an effective ingredient of a skin external use composition, a cosmetic composition and a medicinal composition.
    Type: Grant
    Filed: July 12, 2023
    Date of Patent: April 23, 2024
    Assignee: National Sun Yat-Sen University
    Inventors: Zhi-Hong Wen, Ping-Jyun Sung, Han-Chun Hung, Chun-Hong Chen, Yu-Chia Chang
  • Patent number: 11965069
    Abstract: A heat-shrinkable polyester film made of a polyester-forming resin composition includes a recycled material, and has an exothermic crystallization peak and an endothermic melting peak which are determined via differential scanning calorimetry, and which satisfy relationships of T2?T1?68° C. and T3?T2?78° C., where T1 represents an onset point of the exothermic crystallization peak, T2 represents an end point of the exothermic crystallization peak and an onset point of the endothermic melting peak, and T3 represents an end point of the endothermic melting peak. A method for manufacturing the heat-shrinkable polyester film is also disclosed.
    Type: Grant
    Filed: February 5, 2021
    Date of Patent: April 23, 2024
    Assignee: FAR EASTERN NEW CENTURY CORPORATION
    Inventors: Li-Ling Chang, Yow-An Leu, Ting-Yu Lin, Ching-Chun Tsai, Wen-Yi Chang
  • Publication number: 20240130080
    Abstract: An immersion cooling system is provided. It includes a pressure seal tank, an electronic module, a blower, and a distributor plate. The pressure seal tank contains a cooling liquid, and a gas outlet is disposed on the top or a sidewall of the pressure seal tank, a gas inlet is disposed on the bottom of the pressure seal tank. The gas outlet is higher than the liquid level of the cooling liquid. The electronic module is disposed in the pressure seal tank and immersed in the cooling liquid. The blower is communicated with the pressure seal tank and configured to extract the gas from the gas outlet and inject the gas into the pressure seal tank via the gas inlet. The distributor plate is disposed in the pressure seal tank and located between the electronic module and the gas inlet.
    Type: Application
    Filed: July 12, 2023
    Publication date: April 18, 2024
    Inventors: Ren-Chun CHANG, Wei-Chih LIN, Zih-Yang FAN
  • Patent number: 11960201
    Abstract: The present disclosure describes a method of patterning a semiconductor wafer using extreme ultraviolet lithography (EUVL). The method includes receiving an EUVL mask that includes a substrate having a low temperature expansion material, a reflective multilayer over the substrate, a capping layer over the reflective multilayer, and an absorber layer over the capping layer. The method further includes patterning the absorber layer to form a trench on the EUVL mask, wherein the trench has a first width above a target width. The method further includes treating the EUVL mask with oxygen plasma to reduce the trench to a second width, wherein the second width is below the target width. The method may also include treating the EUVL mask with nitrogen plasma to protect the capping layer, wherein the treating of the EUVL mask with the nitrogen plasma expands the trench to a third width at the target width.
    Type: Grant
    Filed: May 15, 2023
    Date of Patent: April 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pei-Cheng Hsu, Chun-Fu Yang, Ta-Cheng Lien, Hsin-Chang Lee
  • Patent number: 11963300
    Abstract: A panel device including a substrate, a conductor pad, a turning wire, and a circuit board is provided. The substrate has a first surface and a second surface connected to the first surface while a normal direction of the second surface is different from a normal direction of the first surface. The conductor pad is disposed on the first surface of the substrate. The turning wire is disposed on the substrate and extends from the first surface to the second surface. The turning wire includes a wiring layer in contact with the conductor pad and a wire covering layer covering the wiring layer. The circuit board is bonded to and electrically connected to the wire covering layer. A manufacturing method of a panel device is also provided herein.
    Type: Grant
    Filed: July 9, 2021
    Date of Patent: April 16, 2024
    Assignee: Au Optronics Corporation
    Inventors: Chun-Yueh Hou, Hao-An Chuang, Fan-Yu Chen, Hsi-Hung Chen, Yun Cheng, Wen-Chang Hsieh, Chih-Wen Lu
  • Patent number: 11961893
    Abstract: Improved conductive contacts, methods for forming the same, and semiconductor devices including the same are disclosed. In an embodiment, a semiconductor device includes a first interlayer dielectric (ILD) layer over a transistor structure; a first contact extending through the first ILD layer, the first contact being electrically coupled with a first source/drain region of the transistor structure, a top surface of the first contact being convex, and the top surface of the first contact being disposed below a top surface of the first ILD layer; a second ILD layer over the first ILD layer and the first contact; and a second contact extending through the second ILD layer, the second contact being electrically coupled with the first contact.
    Type: Grant
    Filed: June 18, 2021
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Te-Chih Hsiung, Jyun-De Wu, Yi-Chen Wang, Yi-Chun Chang, Yuan-Tien Tu
  • Patent number: 11961911
    Abstract: In a method of manufacturing a semiconductor device including a Fin FET, a fin structure, which has an upper fin structure made of SiGe and a bottom fin structure made of a different material than the upper fin structure, is formed, a cover layer is formed over the fin structure, a thermal operation is performed on the fin structure covered by the cover layer, and a source/drain epitaxial layer is formed in a source/drain region of the upper fin structure. The thermal operation changes a germanium distribution in the upper fin structure.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: April 16, 2024
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hsiao-Chun Chang, Guan-Jie Shen
  • Patent number: 11962240
    Abstract: Devices and methods are provided for controlling dead-time of a direct current to direct current (DC-DC) converter. A control circuit includes a first transistor having a source/drain terminal coupled to an output voltage of the DC-DC converter configured to provide current based on the output voltage. The control circuit also includes a digital up/down counter having an output terminal electrically coupled to an input terminal of a delay cell of the DC-DC converter. A current sensing circuit of the control circuit is electrically coupled to an input terminal of the digital up/down counter configured to receive the current and drive the digital up/down counter based on the current.
    Type: Grant
    Filed: April 7, 2021
    Date of Patent: April 16, 2024
    Assignee: Taiwan Semiconductor Manufacturing Company Limited
    Inventors: Chia-Chun Chang, Alan Roth, Eric Soenen, Tysh-Bin Liu
  • Publication number: 20240118862
    Abstract: A computer system and a processing method thereof of sound signal are provided. The computer system includes a platform path controller (PCH), a high-definition audio (HDA) codec, and a digital microphone. The HDA codec is coupled to the PCH. The digital microphone is coupled to the PCH and the HDA codec. The digital microphone is used to generate sound signal. The HDA codec processes the sound signal from the digital microphone. Accordingly, the audio recording with high quality could be provided.
    Type: Application
    Filed: November 16, 2022
    Publication date: April 11, 2024
    Applicant: Acer Incorporated
    Inventors: Po-Jen Tu, Jia-Ren Chang, Kai-Meng Tzeng, Ming-Chun Yu
  • Publication number: 20240119603
    Abstract: The present disclosure provides a ball tracking system and method. The ball tracking system includes camera device and processing device. The camera device is configured to generate a plurality of video frame data, wherein the video frame data includes image of ball. The processing device is electrically coupled to the camera device and is configured to: recognize the image of the ball from the plurality of video frame data to obtain 2D estimation coordinate of the ball at first frame time and utilize 2D to 3D matrix to convert the 2D estimation coordinate into first 3D estimation coordinate; utilize model to calculate second 3D estimation coordinate of the ball at the first frame time; and calibrate according to the first 3D estimation coordinate and the second 3D estimation coordinate to generate 3D calibration coordinate of the ball at the first frame time.
    Type: Application
    Filed: November 17, 2022
    Publication date: April 11, 2024
    Inventors: Rong-Sheng WANG, Shih-Chun CHOU, Hsiao-Chen CHANG
  • Publication number: 20240120337
    Abstract: A semiconductor device structure includes a first dielectric wall, a plurality of first semiconductor layers vertically stacked and extending outwardly from a first side of the first dielectric wall, each first semiconductor layer has a first width, a plurality of second semiconductor layers vertically stacked and extending outwardly from a second side of the first dielectric wall, each second semiconductor layer has a second width, a plurality of third semiconductor layers disposed adjacent the second side of the first dielectric wall, each third semiconductor layer has a third width greater than the second width, a first gate electrode layer surrounding at least three surfaces of each of the first semiconductor layers, the first gate electrode layer having a first conductivity type, and a second gate electrode layer surrounding at least three surfaces of each of the second semiconductor layers, the second gate electrode layer having a second conductivity type opposite the first conductivity type.
    Type: Application
    Filed: January 15, 2023
    Publication date: April 11, 2024
    Inventors: Ta-Chun LIN, Chih-Hung HSIEH, Chun-Sheng LIANG, Wen-Chiang HONG, Chun-Wing YEUNG, Kuo-Hua PAN, Chih-Hao CHANG, Jhon Jhy LIAW
  • Publication number: 20240120325
    Abstract: A stacked package structure and a manufacturing method thereof are provided. The stacked package structure includes an upper redistribution layer, a first chip, and an upper molding layer. The first chip is disposed on the upper redistribution layer and is electrically connected to the upper redistribution layer. The upper molding layer is disposed on the first chip and the upper redistribution layer, and is configured to package the first chip. The upper molding layer includes a recess, the recess is recessed relative to a surface of the upper molding layer away from the upper redistribution layer, and the recess is circumferentially formed around a periphery of the upper molding layer.
    Type: Application
    Filed: May 31, 2023
    Publication date: April 11, 2024
    Applicant: POWERTECH TECHNOLOGY INC.
    Inventors: Pei-chun TSAI, Hung-hsin HSU, Shang-yu CHANG CHIEN, Chia-ling LEE
  • Publication number: 20240115616
    Abstract: The present disclosure provides a method for treating liver cirrhosis by using a composition including mesenchymal stem cells, extracellular vesicles produced by the mesenchymal stem cells, and growth factors. The composition of the present disclosure achieves the effect of treating liver cirrhosis through various efficacy experiments.
    Type: Application
    Filed: October 4, 2023
    Publication date: April 11, 2024
    Inventors: Po-Cheng Lin, Pi-Chun Huang, Zih-Han Hong, Ming-Hsi Chuang, Yi-Chun Lin, Chia-Hsin Lee, Chun-Hung Chen, Chao-Liang Chang, Kai-Ling Zhang
  • Publication number: 20240120419
    Abstract: A lateral diffusion metal-oxide semiconductor (LDMOS) device includes a first gate structure and a second gate structure extending along a first direction on a substrate, a first source region extending along the first direction on one side of the first gate structure, a second source region extending along the first direction on one side of the second gate structure, a drain region extending along the first direction between the first gate structure and the second gate structure, a guard ring surrounding the first gate structure and the second gate structure, and a shallow trench isolation (STI) surrounding the guard ring.
    Type: Application
    Filed: December 5, 2023
    Publication date: April 11, 2024
    Applicant: UNITED MICROELECTRONICS CORP.
    Inventors: Ling-Chun Chou, Yu-Hung Chang, Kun-Hsien Lee
  • Publication number: 20240120338
    Abstract: A semiconductor device structure is provided. The semiconductor device has a first dielectric wall between an n-type source/drain region and a p-type source/drain region to physically and electrically isolate the n-type source/drain region and the p-type source/drain region from each other. A second dielectric wall is formed between a first channel region connected to the n-type source/drain region and a second channel region connected to the p-type source/drain region. A contact is formed to physically and electrically connect the n-type source/drain region with the p-type source/drain region, wherein the contact extends over the first dielectric wall. The first electric wall has a gradually decreasing width W5 towards a tip of the dielectric wall from a top contact position between the first dielectric wall and either the n-type source/drain region or the p-type source/drain region.
    Type: Application
    Filed: February 15, 2023
    Publication date: April 11, 2024
    Inventors: Ta-Chun LIN, Ming-Che CHEN, Yu-Hsuan LU, Chih-Hao CHANG