Patents by Inventor Hung-Yueh Chen
Hung-Yueh 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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Publication number: 20230292627Abstract: A semiconductor device includes a substrate, a first dielectric layer, a second dielectric layer, and a third dielectric layer. The first dielectric layer is disposed on the substrate, around a first metal interconnection. The second dielectric layer is disposed on the first dielectric layer, around a via and a second metal interconnection. The second metal interconnection directly contacts the first metal interconnection. The third dielectric layer is disposed on the second dielectric layer, around a first magnetic tunneling junction (MTJ) structure and a third metal interconnection. The third metal interconnection directly contacts top surfaces of the first MTJ structure and the second metal interconnection, and the first MTJ structure directly contacts the via.Type: ApplicationFiled: May 23, 2023Publication date: September 14, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Ju-Chun Fan, Yi-Yu Lin, Ching-Hua Hsu, Hung-Yueh Chen
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Publication number: 20230263067Abstract: A semiconductor device includes a magnetic tunneling junction (MTJ) on a substrate, a cap layer adjacent to the MTJ and extended to overlap a top surface of the MTJ, a top electrode on the MTJ, a metal interconnection under the MTJ, a first inter-metal dielectric (IMD) layer around the MTJ, and a second IMD layer around the metal interconnection. Preferably, the cap layer is adjacent to the top electrode and the MTJ and on the second IMD layer and a top surface of the cap layer is higher than a top surface of the first IMD layer.Type: ApplicationFiled: April 18, 2023Publication date: August 17, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Patent number: 11665973Abstract: A method for fabricating semiconductor device includes the steps of: forming a magnetic tunneling junction (MTJ) stack on a substrate; forming a top electrode on the MTJ stack; performing a first patterning process to remove the MTJ stack for forming a first MTJ; forming a first inter-metal dielectric (IMD) layer around the first MTJ; and performing a second patterning process to remove the first MTJ for forming a second MTJ and a third MTJ.Type: GrantFiled: May 3, 2022Date of Patent: May 30, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Patent number: 11637233Abstract: A method for fabricating a semiconductor device includes the steps of forming a magnetic tunneling junction (MTJ) on a MRAM region of a substrate, forming a first inter-metal dielectric (IMD) layer around the MTJ, forming a patterned mask on a logic region of the substrate, performing a nitridation process to transform part of the first IMD layer to a nitride layer, forming a first metal interconnection on the logic region, forming a stop layer on the first IMD layer, forming a second IMD layer on the stop layer, and forming a second metal intercom in the second IMD layer to connect to the MTJ.Type: GrantFiled: November 1, 2020Date of Patent: April 25, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Chen-Yi Weng, Si-Han Tsai, Che-Wei Chang, Po-Kai Hsu, Jing-Yin Jhang, Yu-Ping Wang, Ju-Chun Fan, Ching-Hua Hsu, Yi-Yu Lin, Hung-Yueh Chen
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Publication number: 20230106156Abstract: A semiconductor device includes a first metal interconnection on a substrate, a first inter-metal dielectric (IMD) layer around the first metal interconnection, an electromigration enhancing layer on the first metal interconnection, a second IMD layer on and around the electromigration enhancing layer, and a second metal interconnection on the electromigration enhancing layer.Type: ApplicationFiled: December 5, 2022Publication date: April 6, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Publication number: 20230101233Abstract: A method for fabricating a semiconductor device includes the steps of: forming a first metal interconnection on a substrate; forming a stop layer on the first metal interconnection; removing the stop layer to form a first opening; forming an electromigration enhancing layer in the first opening; and forming a second metal interconnection on the electromigration enhancing layer. Preferably, top surfaces of the electromigration enhancing layer and the stop layer are coplanar.Type: ApplicationFiled: December 5, 2022Publication date: March 30, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Patent number: 11616193Abstract: A semiconductor device includes: a substrate comprising a magnetic tunneling junction (MTJ) region and a logic region, a MTJ on the MTJ region, a top electrode on the MTJ, a connecting structure on the top electrode, and a first metal interconnection on the logic region. Preferably, the first metal interconnection includes a via conductor on the substrate and a trench conductor, in which a bottom surface of the trench conductor is lower than a bottom surface of the connecting structure.Type: GrantFiled: June 3, 2021Date of Patent: March 28, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Chen-Yi Weng, Jing-Yin Jhang, Yu-Ping Wang, Hung-Yueh Chen
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Publication number: 20230050435Abstract: A hybrid random access memory for a system-on-chip (SOC), including a semiconductor substrate with a MRAM region and a ReRAM region, a first dielectric layer on the semiconductor substrate, multiple ReRAM cells in the first dielectric layer on the ReRAM region, a second dielectric layer above the first dielectric layer, and multiple MRAM cells in the second dielectric layer on the MRAM region.Type: ApplicationFiled: October 26, 2022Publication date: February 16, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Po-Kai Hsu, Hui-Lin Wang, Ching-Hua Hsu, Yi-Yu Lin, Ju-Chun Fan, Hung-Yueh Chen
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Patent number: 11552241Abstract: A method for fabricating a semiconductor device includes the steps of: forming a first metal interconnection on a substrate; forming a stop layer on the first metal interconnection; removing the stop layer to form a first opening; forming an electromigration enhancing layer in the first opening; and forming a second metal interconnection on the electromigration enhancing layer. Preferably, top surfaces of the electromigration enhancing layer and the stop layer are coplanar.Type: GrantFiled: May 12, 2020Date of Patent: January 10, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Patent number: 11522013Abstract: A hybrid random access memory for a system-on-chip (SOC), including a semiconductor substrate with a MRAM region and a ReRAM region, a first dielectric layer on the semiconductor substrate, multiple ReRAM cells in the first dielectric layer on the ReRAM region, a second dielectric layer above the first dielectric layer, and multiple MRAM cells in the second dielectric layer on the MRAM region.Type: GrantFiled: September 27, 2020Date of Patent: December 6, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Po-Kai Hsu, Hui-Lin Wang, Ching-Hua Hsu, Yi-Yu Lin, Ju-Chun Fan, Hung-Yueh Chen
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Publication number: 20220336735Abstract: A method for fabricating a semiconductor device includes the steps of: forming a first inter-metal dielectric (IMD) layer on a substrate; forming a first metal interconnection and a second metal interconnection in the first IMD layer; forming a channel layer on the first metal interconnection and the second metal interconnection; forming a magnetic tunneling junction (MTJ) stack on the channel layer; and removing the MTJ stack to form a MTJ.Type: ApplicationFiled: July 5, 2022Publication date: October 20, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Wei Chen, Po-Kai Hsu, Yu-Ping Wang, Hung-Yueh Chen
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Patent number: 11463944Abstract: An electronic device may include at least one communication processor and an application processor. The at least one communication processor is configured to: receive first system information including information on whether at least one node supporting first cellular communication supports DC or second system information including information on a node which is adjacent to the at least one node and supports second cellular communication, from the at least one node via the first cellular communication; update, based on the first or second system information, a database which includes information indicating whether the at least one node supports the DC and information indicating whether the node adjacent to the at least one node supports the second cellular communication; determine, based on the updated database, a searching order of at least one node included in the updated database; and search for a node to be registered, based on the determined searching order.Type: GrantFiled: September 29, 2020Date of Patent: October 4, 2022Assignee: Samsung Electronics Co., Ltd.Inventors: Hung-Yueh Chen, Inshik Kang, Kipyo Nam
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Publication number: 20220285437Abstract: A layout pattern for magnetoresistive random access memory (MRAM) includes a substrate having a first active region, a second active region, and a word line connecting region between the first active region and the second active region, a first gate pattern extending along a first direction from the first active region to the second active region, a second gate pattern extending along the first direction from the first active region to the second active region, a first magnetic tunneling junction (MTJ) between the first gate pattern and the second pattern and within the word line connecting region, and a second MTJ between the first gate pattern and the second gate pattern in the first active region. Preferably, top surfaces of the first MTJ and the second MTJ are coplanar.Type: ApplicationFiled: May 22, 2022Publication date: September 8, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Ya-Huei Tsai, Rai-Min Huang, Yu-Ping Wang, Hung-Yueh Chen
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Publication number: 20220271088Abstract: A memory array includes at least one strap region having therein a plurality of source line straps and a plurality of word line straps, and at least two sub-arrays having a plurality of staggered, active magnetic storage elements. The at least two sub-arrays are separated by the strap region. A plurality of staggered, dummy magnetic storage elements is disposed within the strap region.Type: ApplicationFiled: March 15, 2021Publication date: August 25, 2022Inventors: Po-Kai Hsu, Hui-Lin Wang, Kun-I Chou, Ching-Hua Hsu, Ju-Chun Fan, Yi-Yu Lin, Hung-Yueh Chen
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Publication number: 20220263017Abstract: A semiconductor device includes a magnetic tunneling junction (MTJ) on a substrate, a cap layer adjacent to and directly contacting the MTJ, a first inter-metal dielectric (IMD) layer around the MTJ, a top electrode on the MTJ, a metal interconnection under the MTJ, and a second IMD layer around the metal interconnection. Preferably, the cap layer is a single layer structure made of dielectric material and an edge of the cap layer contacts the first IMD layer directly.Type: ApplicationFiled: May 5, 2022Publication date: August 18, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Publication number: 20220263016Abstract: A method for fabricating semiconductor device includes the steps of: forming a magnetic tunneling junction (MTJ) stack on a substrate; forming a top electrode on the MTJ stack; performing a first patterning process to remove the MTJ stack for forming a first MTJ; forming a first inter-metal dielectric (IMD) layer around the first MTJ; and performing a second patterning process to remove the first MTJ for forming a second MTJ and a third MTJ.Type: ApplicationFiled: May 3, 2022Publication date: August 18, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang
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Patent number: 11417838Abstract: A method for fabricating a semiconductor device includes the steps of: forming a first inter-metal dielectric (IMD) layer on a substrate; forming a first metal interconnection and a second metal interconnection in the first IMD layer; forming a channel layer on the first metal interconnection and the second metal interconnection; forming a magnetic tunneling junction (MTJ) stack on the channel layer; and removing the MTJ stack to form a MTJ.Type: GrantFiled: May 27, 2020Date of Patent: August 16, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Wei Chen, Po-Kai Hsu, Yu-Ping Wang, Hung-Yueh Chen
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Patent number: 11374055Abstract: A layout pattern for magnetoresistive random access memory (MRAM) includes a substrate having a first active region, a second active region, and a word line connecting region between the first active region and the second active region and a gate pattern extending from the first active region to the second active region, in which the gate pattern includes a H-shape according to a top view. Preferably, the gate pattern includes a first gate pattern extending along a first direction from the first active region to the second active region, a second gate pattern extending along the first direction from the first active region to the second active region, and a third gate pattern connecting the first gate pattern and the second gate pattern along a second direction.Type: GrantFiled: February 16, 2020Date of Patent: June 28, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Ya-Huei Tsai, Rai-Min Huang, Yu-Ping Wang, Hung-Yueh Chen
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Publication number: 20220199897Abstract: A magnetoresistive random access memory, including a substrate, a conductive plug in the substrate, wherein the conductive plug has a notched portion on one side of the upper edge of the conductive plug, and a magnetic memory cell with a bottom electrode electrically connecting with the conductive plug, a magnetic tunnel junction on the bottom electrode and a top electrode on the magnetic tunnel junction, wherein the bottom surface of the magnetic memory cell and the top surface of the conductive plug completely align and overlap each other.Type: ApplicationFiled: March 11, 2022Publication date: June 23, 2022Applicant: UNITED MICROELECTRONICS CORP.Inventors: Hung-Chan Lin, Yu-Ping Wang, Hung-Yueh Chen
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Patent number: 11355700Abstract: A method for fabricating semiconductor device includes the steps of: forming a magnetic tunneling junction (MTJ) stack on a substrate; forming a top electrode on the MTJ stack; performing a first patterning process to remove the MTJ stack for forming a first MTJ; forming a first inter-metal dielectric (IMD) layer around the first MTJ; and performing a second patterning process to remove the first MTJ for forming a second MTJ and a third MTJ.Type: GrantFiled: January 2, 2020Date of Patent: June 7, 2022Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Po-Kai Hsu, Hung-Yueh Chen, Yu-Ping Wang