Patents by Inventor Rai-Min Huang
Rai-Min Huang 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: 20250048648Abstract: A semiconductor device includes a substrate having a logic region and a magnetoresistive random access memory (MRAM) region, a magnetic tunneling junction (MTJ) on the MRAM region, a metal interconnection on the MTJ, and a blocking layer on the metal interconnection. Preferably, the blocking layer includes metal and the blocking layer includes a grid line pattern according to a top view.Type: ApplicationFiled: October 16, 2024Publication date: February 6, 2025Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, I-Fan Chang, Rai-Min Huang, Ya-Huei Tsai, Yu-Ping Wang
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Publication number: 20250040149Abstract: 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: October 16, 2024Publication date: January 30, 2025Applicant: UNITED MICROELECTRONICS CORP.Inventors: Ya-Huei Tsai, Rai-Min Huang, Yu-Ping Wang, Hung-Yueh Chen
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Patent number: 12150313Abstract: A semiconductor device includes a substrate having a logic region and a magnetoresistive random access memory (MRAM) region, a MTJ on the MRAM region, a metal interconnection on the MTJ, and a blocking layer on the metal interconnection. Preferably, the blocking layer includes a stripe pattern according to a top view and the blocking layer could include metal or a dielectric layer.Type: GrantFiled: November 2, 2023Date of Patent: November 19, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, I-Fan Chang, Rai-Min Huang, Ya-Huei Tsai, Yu-Ping Wang
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Patent number: 12150315Abstract: 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: GrantFiled: December 25, 2023Date of Patent: November 19, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Ya-Huei Tsai, Rai-Min Huang, Yu-Ping Wang, Hung-Yueh Chen
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Publication number: 20240373754Abstract: The invention provides a semiconductor structure, which comprises a plurality of magnetic tunnel junction (MTJ) elements. Seen from a top view, the MTJ elements are arranged in an array, at least one second contact structure is located in the array arranged by the MTJ elements, and at least one first mask layer covers a top surface and two sidewalls of each MTJ element, when seen from a cross-sectional view, a sidewall of the first mask layer is aligned with a sidewall of a second metal layer which is disposed below the second contact structure.Type: ApplicationFiled: May 30, 2023Publication date: November 7, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, I-Fan Chang, Rai-Min Huang, Po-Kai hsu
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Publication number: 20240365679Abstract: The invention provides a semiconductor layout pattern, which comprises a first metal layer, wherein the first metal layer comprises a plurality of first patterns and a plurality of fishbone line patterns arranged on the same layer, wherein each fishbone line pattern comprises a principal axis pattern extending along a first direction and a plurality of branches arranged along a second direction, and each first pattern is located between two adjacent branches and the principal axis pattern, and a second metal layer is located on the first metal layer. A plurality of magnetic tunnel junction (MTJ) elements located on the second metal layer, wherein each magnetic tunnel junction element is arranged in a rhombic shape.Type: ApplicationFiled: June 5, 2023Publication date: October 31, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: I-Fan Chang, Jia-Rong Wu, Rai-Min Huang, Po-Kai Hsu
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Publication number: 20240365677Abstract: Provided is a semiconductor device including a substrate, a first interconnection structure, and an MTJ device. The first interconnection structure is disposed on the substrate. The MTJ device is reversely bonded to the first interconnection structure. The MTJ device includes a first electrode layer, a second electrode layer and an MTJ stack structure. The first electrode layer is bonded to the first interconnect structure. The second electrode layer is located above the first electrode layer. The MTJ stack structure is located between the first and second electrode layers. The MTJ stack structure includes a first barrier layer, a free layer and a reference layer. The first barrier layer is located between the first and second electrode layers. The free layer is located between the first barrier layer and the first electrode layer. The reference layer is located between the first barrier layer and the second electrode layer.Type: ApplicationFiled: June 6, 2023Publication date: October 31, 2024Applicant: United Microelectronics Corp.Inventors: Jia-Rong Wu, Yi-An Shih, Hsiu-Hao Hu, I-Fan Chang, Rai-Min Huang, Po Kai Hsu
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Patent number: 12052932Abstract: The present invention provides a semiconductor device, the semiconductor device includes a metal interconnection on a substrate, in which a top view of the metal interconnection comprises a quadrilateral; and a magnetic tunneling junction (MTJ) on the metal interconnection, in which a top view of the MTJ comprises a circular shape.Type: GrantFiled: April 11, 2023Date of Patent: July 30, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Rai-Min Huang, I-Fan Chang, Ya-Huei Tsai, Yu-Ping Wang
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Patent number: 12052933Abstract: The present invention provides a semiconductor device, the semiconductor device includes a metal interconnection on a substrate, in which a top view of the metal interconnection comprises a quadrilateral; and a magnetic tunneling junction (MTJ) on the metal interconnection, in which a top view of the MTJ comprises a circular shape, an area of the MTJ is smaller than an area of the metal interconnection.Type: GrantFiled: April 11, 2023Date of Patent: July 30, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Rai-Min Huang, I-Fan Chang, Ya-Huei Tsai, Yu-Ping Wang
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Publication number: 20240130141Abstract: 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: December 25, 2023Publication date: April 18, 2024Applicant: United Microelectronics Corp.Inventors: Ya-Huei Tsai, Rai-Min Huang, Yu-Ping Wang, Hung-Yueh Chen
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Publication number: 20240074209Abstract: A semiconductor device includes a substrate having a logic region and a magnetoresistive random access memory (MRAM) region, a MTJ on the MRAM region, a metal interconnection on the MTJ, and a blocking layer on the metal interconnection. Preferably, the blocking layer includes a stripe pattern according to a top view and the blocking layer could include metal or a dielectric layer.Type: ApplicationFiled: November 2, 2023Publication date: February 29, 2024Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, I-Fan Chang, Rai-Min Huang, Ya-Huei Tsai, Yu-Ping Wang
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Patent number: 11895848Abstract: 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: GrantFiled: May 22, 2022Date of Patent: February 6, 2024Assignee: UNITED MICROELECTRONICS CORP.Inventors: Ya-Huei Tsai, Rai-Min Huang, Yu-Ping Wang, Hung-Yueh Chen
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Patent number: 11849592Abstract: A semiconductor device includes a substrate having a logic region and a magnetoresistive random access memory (MRAM) region, a MTJ on the MRAM region, a metal interconnection on the MTJ, and a blocking layer on the metal interconnection. Preferably, the blocking layer includes a stripe pattern according to a top view and the blocking layer could include metal or a dielectric layer.Type: GrantFiled: August 15, 2022Date of Patent: December 19, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, I-Fan Chang, Rai-Min Huang, Ya-Huei Tsai, Yu-Ping Wang
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Patent number: 11800723Abstract: A layout pattern of a magnetoresistive random access memory (MRAM) includes a first diffusion region and a second diffusion region extending along a first direction on a substrate, a first contact plug extending along a second direction from the first diffusion region to the second diffusion region on the substrate, a first gate pattern and a second gate pattern extending along the second direction adjacent to one side of the first contact plug, and a third gate pattern and a fourth gate pattern extending along the second direction adjacent to another side of the first contact plug.Type: GrantFiled: September 13, 2020Date of Patent: October 24, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: I-Fan Chang, Hung-Yueh Chen, Rai-Min Huang, Jia-Rong Wu, Yu-Ping Wang
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Publication number: 20230337551Abstract: A method for fabricating semiconductor device includes the steps of first forming a magnetic tunneling junction (MTJ) on a substrate, forming a first spin orbit torque (SOT) layer on the MTJ, forming an inter-metal dielectric (IMD) layer around the first SOT layer, forming a second SOT layer on the IMD layer, forming a first hard mask on the second SOT layer, patterning the first hard mask along a first direction, and then patterning the first hard mask along a second direction.Type: ApplicationFiled: May 13, 2022Publication date: October 19, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Chi-Hsuan Cheng, Rai-Min Huang, Po-Kai Hsu
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Publication number: 20230247914Abstract: The present invention provides a semiconductor device, the semiconductor device includes a metal interconnection on a substrate, in which a top view of the metal interconnection comprises a quadrilateral; and a magnetic tunneling junction (MTJ) on the metal interconnection, in which a top view of the MTJ comprises a circular shape.Type: ApplicationFiled: April 11, 2023Publication date: August 3, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Rai-Min Huang, I-Fan Chang, Ya-Huei Tsai, Yu-Ping Wang
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Publication number: 20230247915Abstract: The present invention provides a semiconductor device, the semiconductor device includes a metal interconnection on a substrate, in which a top view of the metal interconnection comprises a quadrilateral; and a magnetic tunneling junction (MTJ) on the metal interconnection, in which a top view of the MTJ comprises a circular shape, an area of the MTJ is smaller than an area of the metal interconnection.Type: ApplicationFiled: April 11, 2023Publication date: August 3, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Rai-Min Huang, I-Fan Chang, Ya-Huei Tsai, Yu-Ping Wang
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Patent number: 11665978Abstract: 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 patterned mask on the first IMD layer, in which the first patterned mask includes a first slot extending along a first direction; forming a second patterned mask on the first patterned mask, in which the second patterned mask includes a second slot extending along a second direction and the first slot intersects the second slot to form a third slot; and forming a first metal interconnection in the third slot.Type: GrantFiled: July 15, 2020Date of Patent: May 30, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Rai-Min Huang, I-Fan Chang, Ya-Huei Tsai, Yu-Ping Wang
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Patent number: 11659772Abstract: A method for forming a semiconductor structure includes the steps of providing a substrate having a device region and an alignment mark region, forming a first dielectric layer on the substrate and a second dielectric layer on the first dielectric layer, forming a conductive via in the second dielectric layer on the device region, forming a mask layer on the second dielectric layer, etching the second dielectric layer and the first dielectric layer through an opening of the mask layer on the alignment mark region to form a first trench through the second dielectric layer and an upper portion of the first dielectric layer and a plurality of second trenches in the first dielectric layer directly under the first trench. Afterward, a memory stack structure is formed on the second dielectric layer, covering the conductive via and filling into the first trench and the second trenches.Type: GrantFiled: March 28, 2022Date of Patent: May 23, 2023Assignee: UNITED MICROELECTRONICS CORP.Inventors: Hui-Lin Wang, Chia-Chang Hsu, Rai-Min Huang
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Publication number: 20230157182Abstract: 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 along a first direction; and performing a second patterning process to remove the MTJ stack along a second direction to form MTJs on the substrate.Type: ApplicationFiled: January 17, 2023Publication date: May 18, 2023Applicant: UNITED MICROELECTRONICS CORP.Inventors: Jia-Rong Wu, Rai-Min Huang, Ya-Huei Tsai, I-Fan Chang, Yu-Ping Wang