Patents by Inventor Chia-Kai Chang
Chia-Kai 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).
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Publication number: 20240097662Abstract: An integrated circuit includes an upper threshold circuit configured to set a logic level of a first enabling signal, a lower threshold circuit configured to set a logic level of a second enabling signal, and a control circuit configured to change an output voltage signal in response to a condition that the logic level of the first enabling signal and the logic level of the second enabling signal are changed consecutively. In the control circuit, a first switch is electrically connected to a second switch at a buffer output node. The control circuit includes a regenerative circuit configured to maintain the output voltage signal at the buffer output node while each of the first switch and the second switch is at a disconnected state.Type: ApplicationFiled: November 28, 2023Publication date: March 21, 2024Inventors: Yu-Kai TSAI, Chia-Hui CHEN, Chia-Jung CHANG
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Publication number: 20240096998Abstract: The present disclosure describes a method for forming metallization layers that include a ruthenium metal liner and a cobalt metal fill. The method includes depositing a first dielectric on a substrate having a gate structure and source/drain (S/D) structures, forming an opening in the first dielectric to expose the S/D structures, and depositing a ruthenium metal on bottom and sidewall surfaces of the opening. The method further includes depositing a cobalt metal on the ruthenium metal to fill the opening, reflowing the cobalt metal, and planarizing the cobalt and ruthenium metals to form S/D conductive structures with a top surface coplanar with a top surface of the first dielectric.Type: ApplicationFiled: November 21, 2023Publication date: March 21, 2024Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Shuen-Shin LIANG, Chij-chien CHI, Yi-Ying LIU, Chia-Hung CHU, Hsu-Kai CHANG, Cheng-Wei CHANG, Chein-Shun LIAO, Keng-chu LIN, KAi-Ting HUANG
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Patent number: 11929327Abstract: The present disclosure describes a method for forming liner-free or barrier-free conductive structures. The method includes depositing an etch stop layer on a cobalt contact disposed on a substrate, depositing a dielectric on the etch stop layer, etching the dielectric and the etch stop layer to form an opening that exposes a top surface of the cobalt contact, and etching the exposed top surface of the cobalt contact to form a recess in the cobalt contact extending laterally under the etch stop layer. The method further includes depositing a ruthenium metal to substantially fill the recess and the opening, and annealing the ruthenium metal to form an oxide layer between the ruthenium metal and the dielectric.Type: GrantFiled: July 22, 2020Date of Patent: March 12, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Inc.Inventors: Hsu-Kai Chang, Keng-Chu Lin, Sung-Li Wang, Shuen-Shin Liang, Chia-Hung Chu
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Patent number: 11923255Abstract: Methods for manufacturing an electronic device are provided. A representative method includes providing a substrate. The substrate has an active layer, a first patterned metal layer passing through a passivation layer to electrically connected to the active layer, a second patterned metal layer passing through an insulating layer to electrically connected to the first patterned metal layer, and a metal layer under the second patterned metal layer. A part of the metal layer does not serve as a portion of a thin film transistor, and the part of the metal layer serves as a portion of a gate line. The method includes providing a carrier substrate supporting a plurality of elements, conducting a testing to the elements, transferring the elements from the carrier substrate to the second patterned metal layer of the substrate, and fixing the elements to the substrate.Type: GrantFiled: April 6, 2023Date of Patent: March 5, 2024Assignee: INNOLUX CORPORATIONInventors: Chia-Hsiung Chang, Ting-Kai Hung, Hsiao-Lang Lin
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Patent number: 11920036Abstract: A rubber resin material with high dielectric constant and a metal substrate with high dielectric constant are provided. The rubber resin material with high dielectric constant includes a rubber resin composition with high dielectric constant and inorganic fillers. The rubber resin composition with high dielectric constant includes: 40 wt % to 70 wt % of a liquid rubber, 10 wt % to 30 wt % of a polyphenylene ether resin, and 20 wt % to 40 wt % of a crosslinker. A molecular weight of the liquid rubber ranges from 800 g/mol to 6000 g/mol. A dielectric constant of the rubber resin material with high dielectric constant is higher than or equal to 2.0.Type: GrantFiled: May 9, 2022Date of Patent: March 5, 2024Assignee: NAN YA PLASTICS CORPORATIONInventors: Te-Chao Liao, Hung-Yi Chang, Chien-Kai Wei, Chia-Lin Liu
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Patent number: 11358177Abstract: This invention discloses a system and method for detecting a cover with an abnormal condition. The system includes a transport track for defining a sliding direction of at least one cover with a detection surface. The transport track has a detection area and a cover removal area, and includes a pair of bottom rails and a pair of side rails. The pair of bottom rails support the cover at an inclination angle so that the cover slides on the pair of bottom rails. The cover is located between the pair of side rails, and the sliding direction of the cover is defined by the pair of side rails. The detection area is used for detecting the detection surface of the cover, and the cover removal area has an outlet for removing a cover with an abnormal condition determined based on a detection result of the detection surface thereof.Type: GrantFiled: March 1, 2019Date of Patent: June 14, 2022Assignee: CVC TECHNOLOGIES, INC.Inventors: Chi-Huan Shih, Chia Kai Chang, Chang Cheng Chen
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Publication number: 20210025831Abstract: A lid detecting system includes a first lid screwing device, a second lid screwing device, a scanning device and a removing device. The first lid screwing device is configured for positioning a lid of a container on a body of the container and rotationally tightening the lid of the container to the body of the container by a pre-screwing torque. The second lid screwing device is configured for rotationally tightening the lid of the container to the body of the container by a screwing torque. The scanning device is disposed between the first lid screwing device and the second lid screwing device and configured for scanning a top surface of the lid of the container so as to obtain a detecting value. The removing device is configured for removing the container when the detecting value is greater than a predetermined value.Type: ApplicationFiled: July 22, 2019Publication date: January 28, 2021Inventors: Chi-Huan SHIH, Chia-Kai CHANG, Chang-Cheng CHEN
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Patent number: 10855242Abstract: An equalizer system includes at least one equalizer configured to equalize an input signal to generate an equalized input signal; a limiting amplifier coupled to the at least one equalizer, and configured to amplify the equalized input signal to a saturated level to generate an output signal; and a control circuit coupled to the at least one equalizer and the limiting amplifier, and configured to generate at least one control signal to the at least one equalizer according to the equalized input signal to adjust a peak gain of the at least one equalizer, wherein the peak gain of the at least one equalizer is at a Nyquist frequency.Type: GrantFiled: July 12, 2019Date of Patent: December 1, 2020Assignee: Rafael Microelectronics, Inc.Inventors: Meng-Ping Kan, Hao-Yun Tang, Chia-Kai Chang
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Publication number: 20200276618Abstract: This invention discloses a system and method for detecting a cover with an abnormal condition. The system includes a transport track for defining a sliding direction of at least one cover with a detection surface. The transport track has a detection area and a cover removal area, and includes a pair of bottom rails and a pair of side rails. The pair of bottom rails support the cover at an inclination angle so that the cover slides on the pair of bottom rails. The cover is located between the pair of side rails, and the sliding direction of the cover is defined by the pair of side rails. The detection area is used for detecting the detection surface of the cover, and the cover removal area has an outlet for removing a cover with an abnormal condition determined based on a detection result of the detection surface thereof.Type: ApplicationFiled: March 1, 2019Publication date: September 3, 2020Inventors: Chi-Huan Shih, Chia Kai Chang, Chang Cheng Chen
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Patent number: 9414393Abstract: A base station and a resource allocation method are provided. The method includes: calculating transmission rates of user equipment (UE) on unallocated resource blocks; finding consecutive resource block (RB) sets within the unallocated resource blocks according to a predetermined window size; finding minimum transmission rates of the UE among the transmission rates respectively corresponding to the consecutive RB sets; finding a largest value and a second largest value corresponding to each of the consecutive RB sets among the minimum transmission rates corresponding to the UE; calculating absolute difference values between the largest value and the second largest value corresponding to each of the consecutive RB sets; finding a maximum absolute difference value from the absolute difference values corresponding to the consecutive RB sets; and allocating the consecutive RB set corresponding to the maximum absolute difference value to the specific UE.Type: GrantFiled: March 20, 2014Date of Patent: August 9, 2016Assignee: Industrial Technology Research InstituteInventors: Chia-Lung Liu, Hsi-Lu Chao, Lung-Han Hsu, Chia-Kai Chang
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Publication number: 20150195736Abstract: A base station and a resource allocation method are provided. The method includes: calculating transmission rates of user equipment (UE) on unallocated resource blocks; finding consecutive resource block (RB) sets within the unallocated resource blocks according to a predetermined window size; finding minimum transmission rates of the UE among the transmission rates respectively corresponding to the consecutive RB sets; finding a largest value and a second largest value corresponding to each of the consecutive RB sets among the minimum transmission rates corresponding to the UE; calculating absolute difference values between the largest value and the second largest value corresponding to each of the consecutive RB sets; finding a maximum absolute difference value from the absolute difference values corresponding to the consecutive RB sets; and allocating the consecutive RB set corresponding to the maximum absolute difference value to the specific UE.Type: ApplicationFiled: March 20, 2014Publication date: July 9, 2015Applicant: Industrial Technology Research InstituteInventors: Chia-Lung Liu, Hsi-Lu Chao, Lung-Han Hsu, Chia-Kai Chang
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Patent number: 8598994Abstract: A method for controlling appliances includes a wearing step, a swinging step and a controlling step. The control device is attached to a movable part of a user's body and the user swings the movable part to generate and send a control signal to the appliance so as to activate and control the appliance. The method is also helpful for rehabilitation to disable people.Type: GrantFiled: December 16, 2010Date of Patent: December 3, 2013Assignee: National Formosa UniversityInventors: Hwa-Chuan Lin, Jeng-Haur Horng, Chia-Kai Chang, Yu-Heng Hsieh, Ya-Hsin Hong
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Publication number: 20110221581Abstract: A method for controlling appliances includes a wearing step, a swinging step and a controlling step. The control device is attached to a movable part of a user's body and the user swings the movable part to generate and send a control signal to the appliance so as to activate and control the appliance. The method is also helpful for rehabilitation to disable people.Type: ApplicationFiled: December 16, 2010Publication date: September 15, 2011Applicant: NATIONAL FORMOSA UNIVERSITYInventors: HWA-CHUAN LIN, JENG-HAUR HORNG, CHIA-KAI CHANG, YU-HENG HSIEH, YA-HSIN HONG
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Patent number: 7411123Abstract: The invention is a method for transforming image into music, more particularly, is a method for transforming image into sound at first and then editing the sound into music. In the method, the dynamic image or static image is captured by using the image capture apparatus. An image datum is obtained from the dynamic image or the static image and the image datum is compared with a plurality of standards stored in the memory to obtain a first music, wherein the image datum may be a brightness value or a pixel value. Then, the first music is transferred into a plurality of the third music with various styles by performing a function transferring process and a randomly selecting music notes process. The third music is broadcasted.Type: GrantFiled: October 20, 2004Date of Patent: August 12, 2008Assignee: Compal Electronics, Inc.Inventor: Chia-Kai Chang
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Publication number: 20060250508Abstract: A method for inserting a picture in a video frame is developed. This method inserts an emotion picture in a video frame during communication in order to raise amusement effect. Users choose an animation module through hot keys by themselves so that an emotion picture is inserted into a combination area of the video frame and combined with the video frame to form a combined frame. This combined frame is transferred to a receiving end through communication equipments and displayed on the video screen of the receiving end to improve emotion expression.Type: ApplicationFiled: August 29, 2005Publication date: November 9, 2006Inventor: Chia-Kai Chang
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Publication number: 20060009976Abstract: The invention is a method for transforming image into music, more particularly, is a method for transforming image into sound at first and then editing the sound into music. In the method, the dynamic image or static image is captured by using the image capture apparatus. An image datum is obtained from the dynamic image or the static image and the image datum is compared with a plurality of standards stored in the memory to obtain a first music, wherein the image datum may be a brightness value or a pixel value. Then, the first music is transferred into a plurality of the third music with various styles by performing a function transferring process and a randomly selecting music notes process. The third music is broadcasted.Type: ApplicationFiled: October 20, 2004Publication date: January 12, 2006Inventor: Chia-Kai Chang