Patents by Inventor Chih-Wei SUNG
Chih-Wei SUNG 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: 12193083Abstract: There is provided a wireless device including an earphone set and a charging cradle. The charging cradle is used as means for charging the earphone set. The charging cradle further records connection information of multiple external devices that have been BT connected to the charging cradle. The earphone set receives a connection command from the charging cradle to accordingly form an audio connection to one of the multiple external devices. The charging cradle is further used as a communication medium between the multiple external devices.Type: GrantFiled: February 16, 2022Date of Patent: January 7, 2025Assignees: PIXART IMAGING INC., AIROHA TECHNOLOGY CORP.Inventors: Ping-Shun Zeung, Chih-Wei Sung, Yu-Feng Chen
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Patent number: 12191338Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: GrantFiled: July 26, 2022Date of Patent: January 7, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Keng-Ying Liao, Huai-jen Tung, Chih Wei Sung, Po-zen Chen, Yu-chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, S. S. Wang
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Publication number: 20240404832Abstract: A method of fabricating a semiconductor structure includes disposing a metal catalyst on a surface of a semiconductor. Thereafter, metal assisted chemical etching is performed, including holding the semiconductor immersed in an etchant solution and catalyzing an etching chemical reaction between the etchant solution and the semiconductor using the metal catalyst to etch the semiconductor to form a channel in the semiconductor. During at least a portion of the metal assisted chemical etching the semiconductor is held immersed in the etchant solution with a surface normal of the surface of the semiconductor at a non-zero angle respective to gravity. In some examples, an orientation of the semiconductor is changed during the metal assisted chemical etching to form the channel in the semiconductor with at least one bend or curved portion.Type: ApplicationFiled: June 2, 2023Publication date: December 5, 2024Inventors: Chenchia Hung, Keng-Ying Liao, Po-Zen Chen, Chih Wei Sung, Chien-Chung Chen
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Publication number: 20240395642Abstract: A semiconductor device includes a memory region including an array of memory cell devices, and a test region including a test memory cell structure. The test memory cell structure includes a first gate stack on a first raised portion of a substrate, a first polysilicon structure adjacent to the first raised portion and in a region between the first raised portion and a second raised portion of the substrate, a first spacer adjacent to the first polysilicon structure, and a second gate stack on the second raised portion, a second polysilicon structure adjacent to the second raised portion and in the region between the first raised portion and the second raised portion, and a second spacer adjacent to the second polysilicon structure. The semiconductor device includes an interlayer dielectric layer over at least a portion of the memory region and at least a portion of the test region.Type: ApplicationFiled: July 31, 2024Publication date: November 28, 2024Inventors: Ken-Ying LIAO, Chih-Wei SUNG, Tzu-Pin LIN, Huai-jen TUNG, Po-Zen CHEN, Yen-Jou WU, Yung-Lung YANG
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Publication number: 20240363791Abstract: A method includes forming image sensors in a semiconductor substrate. A first alignment mark is formed close to a front side of the semiconductor substrate. The method further includes performing a backside polishing process to thin the semiconductor substrate, forming a second alignment mark on the backside of the semiconductor substrate, and forming a feature on the backside of the semiconductor substrate. The feature is formed using the second alignment mark for alignment.Type: ApplicationFiled: July 8, 2024Publication date: October 31, 2024Inventors: Chih Wei Sung, Chung-Bin Tseng, Keng-Ying Liao, Yen-Jou Wu, Po-Zen Chen, Su-Yu Yeh, Ching-Chung Su
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Publication number: 20240319551Abstract: An electronic device is provided. The electronic device includes a substrate and a first conductive line disposed on the substrate and including a first section and a second section electrically connected to the first section. The first section has a first minimum width outside the overlapping region, the second section has a second minimum width outside the overlapping region, and the first minimum width is different from the second minimum width. The electronic device further includes a first conductive layer disposed on the first section and the second section. The first section is electrically connected to the second section through the first conductive layer.Type: ApplicationFiled: June 3, 2024Publication date: September 26, 2024Inventors: Chih-Hao HSU, Chia-Min YEH, Hsieh-Li CHOU, Cheng-Tso CHEN, Hui-Min HUANG, Li-Wei SUNG, Yu-Ti HUANG
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Patent number: 12094997Abstract: A method includes forming image sensors in a semiconductor substrate. A first alignment mark is formed close to a front side of the semiconductor substrate. The method further includes performing a backside polishing process to thin the semiconductor substrate, forming a second alignment mark on the backside of the semiconductor substrate, and forming a feature on the backside of the semiconductor substrate. The feature is formed using the second alignment mark for alignment.Type: GrantFiled: July 25, 2022Date of Patent: September 17, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Chih Wei Sung, Chung-Bin Tseng, Keng-Ying Liao, Yen-Jou Wu, Po-Zen Chen, Su-Yu Yeh, Ching-Chung Su
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Publication number: 20230369430Abstract: A method includes sequentially depositing a floating gate layer, a dielectric structure stack, and a control gate layer over a substrate. A first etching process is performed to pattern the control gate layer, the dielectric structure stack, and a top portion of the floating gate layer to form a control gate, a dielectric structure, and a top portion of a floating gate over a bottom portion of the floating gate layer. A sidewall of the top portion of the floating gate is concave. A first spacer structure is formed on the sidewall of the top portion of the floating gate, a sidewall of the dielectric structure, and a sidewall of the control gate. A second etching process is performed to pattern the bottom portion of the floating gate layer to form a bottom portion of the floating gate after forming the first spacer structure.Type: ApplicationFiled: July 25, 2023Publication date: November 16, 2023Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Chu LIN, Chi-Chung JEN, Chia-Ming PAN, Su-Yu YEH, Keng-Ying LIAO, Chih-Wei SUNG
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Patent number: 11804529Abstract: A method includes depositing a gate dielectric film over a substrate. A floating gate layer and a control gate layer are deposited over the gate dielectric film. The control gate layer is patterned to form a control gate over the floating gate layer. A top portion of the floating gate layer is patterned. A spacer structure is formed on a sidewall of the control gate and over a remaining portion of the floating gate layer. The remaining portion of the floating gate layer is patterned to form a bottom portion of a floating gate. A ratio of the bottom width of the bottom portion to the middle width of the bottom portion is in a range between about 103% and about 108%. The gate dielectric film is patterned form a gate dielectric layer.Type: GrantFiled: March 18, 2022Date of Patent: October 31, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yu-Chu Lin, Chi-Chung Jen, Chia-Ming Pan, Su-Yu Yeh, Keng-Ying Liao, Chih-Wei Sung
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Publication number: 20230262792Abstract: There is provided a wireless device including an earphone set and a charging cradle. The charging cradle is used as means for charging the earphone set. The charging cradle further records connection information of multiple external devices that have been BT connected to the charging cradle. The earphone set receives a connection command from the charging cradle to accordingly form an audio connection to one of the multiple external devices. The charging cradle is further used as a communication medium between the multiple external devices.Type: ApplicationFiled: February 16, 2022Publication date: August 17, 2023Inventors: Ping-Shun ZEUNG, Chih-Wei SUNG, Yu-Feng CHEN
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Publication number: 20230253433Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: ApplicationFiled: April 17, 2023Publication date: August 10, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Keng-Ying Liao, Yu-Chu Lin, Chih Wei Sung, Shih Sian Wang, Chi-Chung Jen, Yu-chien Ku, Yen-Jou Wu, Huai-jen Tung, Po-Zen Chen
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Patent number: 11706271Abstract: A method utilized in a wireless device used to wirelessly receive and play audio information includes: receiving a data packet stream transmitted from an audio source; monitoring a data amount of at least one buffer of a memory of the wireless device; and tuning an audio clock frequency dedicated for playing audio samples if the data amount of the at least one buffer deviates from a specific data amount level.Type: GrantFiled: April 20, 2021Date of Patent: July 18, 2023Assignee: Airoha Technology Corp.Inventors: I-Ken Ho, Chih-Wei Sung, Wei-Chung Peng, Kuang-Hu Huang
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Patent number: 11652127Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: GrantFiled: April 17, 2020Date of Patent: May 16, 2023Assignee: Taiwan Semiconductor Manufacturing Company LimitedInventors: Keng-Ying Liao, Huai-jen Tung, Chih Wei Sung, Po-zen Chen, Yu-chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, S. S. Wang
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Patent number: 11652133Abstract: In a method for forming a semiconductor device photo-sensing regions are formed over a frontside of a substrate. A first layer is formed over a backside of the substrate and is patterned to form a plurality of grid lines. The grid lines can define a plurality of first areas and a plurality of second areas. A second layer may be formed over exposed portions of the backside, the gridlines, the first areas, and the second areas and a third layer may be formed over the second layer. The second and third layer may have different etch rates and the third layer is pattern so as to remove the third layer from over the plurality of first areas.Type: GrantFiled: July 19, 2021Date of Patent: May 16, 2023Assignee: Taiwan Semiconductor Manufacturing CO.Inventors: H. L. Chen, Huai-jen Tung, Keng-Ying Liao, Po-Zen Chen, Su-Yu Yeh, Chih Wei Sung
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Publication number: 20230062401Abstract: A semiconductor device includes a memory region including an array of memory cell devices, and a test region including a test memory cell structure. The test memory cell structure includes a first gate stack on a first raised portion of a substrate, a first polysilicon structure adjacent to the first raised portion and in a region between the first raised portion and a second raised portion of the substrate, a first spacer adjacent to the first polysilicon structure, and a second gate stack on the second raised portion, a second polysilicon structure adjacent to the second raised portion and in the region between the first raised portion and the second raised portion, and a second spacer adjacent to the second polysilicon structure. The semiconductor device includes an interlayer dielectric layer over at least a portion of the memory region and at least a portion of the test region.Type: ApplicationFiled: August 31, 2021Publication date: March 2, 2023Inventors: Ken-Ying LIAO, Chih-Wei SUNG, Tzu-Pin LIN, Huai-jen TUNG, Po-Zen CHEN, Yen-Jou WU, Yung-Lung YANG
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Patent number: 11570605Abstract: There is provided an electronic device having Bluetooth communication function. The electronic device confirms whether a current packet received in a receive slot is a retransmitted packet according to a SEQN bit in the packet header so as to determine whether to continuously turn on an RF receiver in the receive slot or early turn off the RF receiver to save power.Type: GrantFiled: May 21, 2021Date of Patent: January 31, 2023Assignee: Airoha Technology Corp.Inventors: Yu-Feng Chen, Chih-Wei Sung
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Patent number: 11513765Abstract: There is provided a Bluetooth audio system including a gateway, a primary device and at least one slave device. The gateway and the primary device communicate Bluetooth packets therebetween based on the standard Bluetooth communication protocol. The at least one slave device accomplishes synchronization with the primary device using a user-defined Bluetooth communication protocol so as to listen or snoop the Bluetooth packets exchanged between the gateway and the primary device.Type: GrantFiled: April 7, 2020Date of Patent: November 29, 2022Assignee: AIROHA TECHNOLOGY CORP.Inventors: Kuang-Hu Huang, Jing-Syuan Jia, Chih-Wei Sung, Wei-Chung Peng
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Publication number: 20220367559Abstract: A method includes forming a dielectric layer over a first surface of a semiconductor layer, the dielectric layer including a metallization layer. The method includes forming an opening to expose a portion of the dielectric layer. The method includes forming a buffer oxide layer lining the opening. The method includes forming, according to a patternable layer, a recess in the buffer oxide layer partially extending from a second surface of the buffer oxide layer. The method includes removing the patternable layer. The method includes extending the recess through the buffer oxide layer and a portion of the dielectric layer to expose a portion of the metallization layer. The method includes filling the recess with a conductive material to form a pad structure configured to provide electrical connection to the metallization layer.Type: ApplicationFiled: July 26, 2022Publication date: November 17, 2022Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Keng-Ying Liao, Huai-jen Tung, Chih Wei Sung, Po-Zen Chen, Yu-chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, Tsun-Kai Tsao, Yung-Lung Yang
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Patent number: 11502123Abstract: A method includes forming a dielectric layer over a first surface of a semiconductor layer, the dielectric layer including a metallization layer. The method includes forming an opening to expose a portion of the dielectric layer. The method includes forming a buffer oxide layer lining the opening. The method includes forming, according to a patternable layer, a recess in the buffer oxide layer partially extending from a second surface of the buffer oxide layer. The method includes removing the patternable layer. The method includes extending the recess through the buffer oxide layer and a portion of the dielectric layer to expose a portion of the metallization layer. The method includes filling the recess with a conductive material to form a pad structure configured to provide electrical connection to the metallization layer.Type: GrantFiled: April 17, 2020Date of Patent: November 15, 2022Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Keng-Ying Liao, Huai-Jen Tung, Chih Wei Sung, Po-zen Chen, Yu-Chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, Tsun-kai Tsao, Yung-Lung Yang
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Publication number: 20220359606Abstract: A device is disclosed. The device includes a plurality of pixels disposed over a first surface of a semiconductor layer. The device includes a device layer disposed over the first surface. The device includes metallization layers disposed over the device layer. One of the metallization layers, closer to the first surface than any of other ones of the metallization layers, includes at least one conductive structure. The device includes an oxide layer disposed over a second surface of the semiconductor layer, the second surface being opposite to the first surface, the oxide layer also lining a recess that extends through the semiconductor layer. The device includes a spacer layer disposed between inner sidewalls of the recess and the oxide layer. The device includes a pad structure extending through the oxide layer and the device layer to be in physical contact with the at least one conductive structure.Type: ApplicationFiled: July 26, 2022Publication date: November 10, 2022Applicant: Taiwan Semiconductor Manufacturing Company LimitedInventors: Keng-Ying Liao, Huai-jen Tung, Chih Wei Sung, Po-zen Chen, Yu-chien Ku, Yu-Chu Lin, Chi-Chung Jen, Yen-Jou Wu, S.S. Wang