Patents by Inventor Yuan Song
Yuan Song 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: 20250127063Abstract: A magnetoresistive memory device and an integrated memory circuit are provided. The magnetoresistive memory device includes a magnetic tunneling junction (MTJ) and a composite spin orbit torque (SOT) channel in contact with a terminal of the MTJ. The SOT channel includes: a first channel layer, configured to convert a portion of a charge current into an orbital current based on orbital Hall effect; and a second channel layer, covering the first channel layer, and configured to convert a portion of the charge current into a first spin current based on spin Hall effect, and to convert the orbital current to a second spin current.Type: ApplicationFiled: October 11, 2023Publication date: April 17, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Yuan Song, Chi-Feng Pai, Xinyu BAO, Chen-Yu Hu
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Publication number: 20250104754Abstract: A circuit with a logical function of a computing-in-memory (CiM) operation, a memory device and a method thereof are provided. The circuit includes a first switch controlled by a first input data, a second switch controlled by an inverted first input data, a first and a second SOT MRAM cells, and a third switch controlled by a write word line. The first and the second SOT MRAM cells have a first and a second current paths for setting states of the first and the second SOT MRAM cells. In response to the third switch is turned-on, the state of the first SOT MRAM cell is different from the state of the second SOT MRAM cell. One of the state of the first SOT MRAM cell and the state of the second SOT MRAM cell is read according to one of the inverted first input data and the first input data.Type: ApplicationFiled: September 25, 2023Publication date: March 27, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Yuan Song, Xinyu BAO
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Patent number: 12256555Abstract: A semiconductor device including a semiconductor substrate and an interconnect structure is provided. The semiconductor substrate includes a transistor, wherein the transistor has a source region and a drain region. The interconnect structure is disposed over the semiconductor substrate, wherein the interconnect structure includes a plurality of interlayer dielectric layers, a first via and a memory cell. The plurality of interlayer dielectric layers are over the semiconductor substrate. The first via is embedded in at least two interlayer dielectric layers among the plurality of interlayer dielectric layers and electrically connected with the drain region of the transistor. The memory cell is disposed over the at least two interlayer dielectric layers among the plurality of interlayer dielectric layers and electrically connected with the first via.Type: GrantFiled: June 12, 2023Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Carlos H. Diaz, Shy-Jay Lin, Ming-Yuan Song
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Patent number: 12256646Abstract: A memory device includes a substrate, a spin-orbit torque (SOT) layer, a magnetic tunneling junction (MTJ) film stack, a connecting via and a shielding structure. The SOT layer is disposed on the substrate. The MTJ film stack is formed over SOT layer and on the substrate. The connecting via is disposed on and electrically connected to the MTJ film stack. The shielding structure is laterally surrounding the MTJ film stack and disposed on the SOT layer, wherein the shielding structure includes a first dielectric layer, a high magnetic permeability layer and a second dielectric layer, the first dielectric layer is in contact with the SOT layer and the MTJ film stack, and the high magnetic permeability layer is sandwiched between the first dielectric layer and the second dielectric layer.Type: GrantFiled: May 30, 2022Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yen-Lin Huang, Ming-Yuan Song, Chien-Min Lee, Nuo Xu, Shy-Jay Lin
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Publication number: 20240387090Abstract: Memory stacks, memory devices and method of forming the same are provided. A memory stack includes a spin-orbit torque layer, a magnetic bias layer and a free layer. The magnetic bias layer is in physical contact with the spin-orbit torque layer and has a first magnetic anisotropy. The free layer is disposed adjacent to the spin-orbit torque layer and has a second magnetic anisotropy perpendicular to the first magnetic anisotropy.Type: ApplicationFiled: July 28, 2024Publication date: November 21, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shy-Jay Lin, Wilman Tsai, Ming-Yuan Song
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Publication number: 20240363154Abstract: Some embodiments relate to a probabilistic random number generator. The probabilistic random number generator includes a memory cell comprising a magnetic tunnel junction (MTJ), and an access transistor coupled to the MTJ of the memory cell. A variable current source is coupled to the access transistor and is configured to provide a plurality of predetermined current pulse shapes, respectively, to the MTJ to generate a bit stream that includes a plurality of probabilistic random bits, respectively, from the MTJ. The predetermined current pulse shapes have different current amplitudes and/or pulse widths corresponding to different switching probabilities for the MTJ.Type: ApplicationFiled: July 3, 2024Publication date: October 31, 2024Inventor: Ming Yuan Song
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Patent number: 12057153Abstract: Some embodiments relate to a probabilistic random number generator. The probabilistic random number generator includes a memory cell comprising a magnetic tunnel junction (MTJ), and an access transistor coupled to the MTJ of the memory cell. A variable current source is coupled to the access transistor and is configured to provide a plurality of predetermined current pulse shapes, respectively, to the MTJ to generate a bit stream that includes a plurality of probabilistic random bits, respectively, from the MTJ. The predetermined current pulse shapes have different current amplitudes and/or pulse widths corresponding to different switching probabilities for the MTJ.Type: GrantFiled: December 5, 2022Date of Patent: August 6, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventor: Ming Yuan Song
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Publication number: 20240228819Abstract: Disclosed herein is a water-borne coating composition including a) at least one water-soluble or water-dispersable binder, and b) at least one sagging control agent (SCA) that is obtained by reaction of b1) at least one aliphatic polyisocyanate and b2) at least one amine selected from a group consisting of C1-C10-alkoxy-C1-C10-alkylamine, di-C1-C10-alkoxy-C1-C10-alkylamine, C4-C10-alkyl substituted aniline and di-C4-C10-alkyl substituted aniline in the presence of Component a). Further disclosed herein is a method of preparing the coating composition.Type: ApplicationFiled: June 3, 2022Publication date: July 11, 2024Inventors: Ming WANG, Xiao Gang YOU, Ranjit SALVI, Yuan Yuan SONG, Ling Yu SUI, Qin Yuan CHEN, Wen Wen TAN, Han Bin WANG
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Publication number: 20240215262Abstract: Provided are a memory device and a method of forming the same. The memory device includes: a selector; a magnetic tunnel junction (MTJ) structure, disposed on the selector; a spin orbit torque (SOT) layer, disposed between the selector and the MTJ structure, wherein the SOT layer has a sidewall aligned with a sidewall of the selector; a transistor, wherein the transistor has a drain electrically coupled to the MTJ structure; a word line, electrically coupled to a gate of the transistor; a bit line, electrically coupled to the SOT layer; a first source line, electrically coupled to a source of the transistor; and a second source line, electrically coupled to the selector, wherein the transistor is configured to control a write signal flowing between the bit line and the second source line, and control a read signal flowing between the bit line and the first source line.Type: ApplicationFiled: March 11, 2024Publication date: June 27, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chien-Min Lee, Ming-Yuan Song, Yen-Lin Huang, Shy-Jay Lin, Tung-Ying Lee, Xinyu BAO
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Patent number: 11968844Abstract: Provided are a memory device and a method of forming the same. The memory device includes: a selector; a magnetic tunnel junction (MTJ) structure, disposed on the selector; a spin orbit torque (SOT) layer, disposed between the selector and the MTJ structure, wherein the SOT layer has a sidewall aligned with a sidewall of the selector; a transistor, wherein the transistor has a drain electrically coupled to the MTJ structure; a word line, electrically coupled to a gate of the transistor; a bit line, electrically coupled to the SOT layer; a first source line, electrically coupled to a source of the transistor; and a second source line, electrically coupled to the selector, wherein the transistor is configured to control a write signal flowing between the bit line and the second source line, and control a read signal flowing between the bit line and the first source line.Type: GrantFiled: November 6, 2022Date of Patent: April 23, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Chien-Min Lee, Ming-Yuan Song, Yen-Lin Huang, Shy-Jay Lin, Tung-Ying Lee, Xinyu Bao
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Publication number: 20240087786Abstract: Memory stacks, memory devices and method of forming the same are provided. A memory stack includes a spin-orbit torque layer, a magnetic bias layer and a free layer. The magnetic bias layer is in physical contact with the spin-orbit torque layer and has a first magnetic anisotropy. The free layer is disposed adjacent to the spin-orbit torque layer and has a second magnetic anisotropy perpendicular to the first magnetic anisotropy.Type: ApplicationFiled: November 27, 2023Publication date: March 14, 2024Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shy-Jay Lin, Wilman Tsai, Ming-Yuan Song
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Publication number: 20240090237Abstract: Various embodiments of the present disclosure are directed towards a semiconductor structure including a memory cell overlying a substrate. A lower via underlies the memory cell. The lower via is laterally offset from the memory cell by a lateral distance. A first conductive layer is disposed vertically between the memory cell and the lower via and comprising a first material. The first conductive layer continuously extends along the lateral distance. A second conductive layer extends across an upper surface of the first conductive layer and comprises a second material different from the first material. A bottom surface of the second conductive layer is aligned with a bottom surface of the memory cell.Type: ApplicationFiled: November 20, 2023Publication date: March 14, 2024Inventors: William J. Gallagher, Shy-Jay Lin, Ming Yuan Song
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Patent number: 11903326Abstract: In some embodiments, the present disclosure relates to a memory device that includes a spin orbit torque (SOT) layer arranged over a substrate. A magnetic tunnel junction (MTJ) structure may be arranged over the SOT layer. The MTJ structure includes a free layer, a reference layer, and a diffusion barrier layer disposed between the free layer and the reference layer. A first conductive wire is arranged below the SOT layer and coupled to the SOT layer. A second conductive wire is arranged below the SOT layer and coupled to the SOT layer. A third conductive wire is arranged over the MTJ structure. The memory device further includes a first selector structure arranged between the first conductive wire and the SOT layer.Type: GrantFiled: July 25, 2022Date of Patent: February 13, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming Yuan Song, Shy-Jay Lin
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Publication number: 20240039332Abstract: A WPT transmitter pad comprising: a cover, a coil, a metallic frame, and a frame magnetic sheet between the metallic frame and the cover.Type: ApplicationFiled: December 15, 2021Publication date: February 1, 2024Applicant: INTDEVICE LIMITEDInventors: Li Jun YU, Yuan SONG, Haozhuo LING
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Patent number: 11862373Abstract: Memory stacks, memory devices and method of forming the same are provided. A memory stack includes a spin-orbit torque layer, a magnetic bias layer and a free layer. The magnetic bias layer is in physical contact with the spin-orbit torque layer and has a first magnetic anisotropy. The free layer is disposed adjacent to the spin-orbit torque layer and has a second magnetic anisotropy perpendicular to the first magnetic anisotropy.Type: GrantFiled: July 29, 2022Date of Patent: January 2, 2024Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shy-Jay Lin, Wilman Tsai, Ming-Yuan Song
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Publication number: 20230389439Abstract: A memory device includes a substrate, a spin-orbit torque (SOT) layer, a magnetic tunneling junction (MTJ) film stack, a connecting via and a shielding structure. The SOT layer is disposed on the substrate. The MTJ film stack is formed over SOT layer and on the substrate. The connecting via is disposed on and electrically connected to the MTJ film stack. The shielding structure is laterally surrounding the MTJ film stack and disposed on the SOT layer, wherein the shielding structure includes a first dielectric layer, a high magnetic permeability layer and a second dielectric layer, the first dielectric layer is in contact with the SOT layer and the MTJ film stack, and the high magnetic permeability layer is sandwiched between the first dielectric layer and the second dielectric layer.Type: ApplicationFiled: May 30, 2022Publication date: November 30, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yen-Lin Huang, Ming-Yuan Song, Chien-Min Lee, Nuo Xu, Shy-Jay Lin
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Publication number: 20230389440Abstract: A magnetic memory device includes a substrate, a spin-orbit torque (SOT) induction structure, and a magnetic tunnel junction (MTJ) stack. The SOT induction structure is disposed over the substrate. The SOT induction structure includes a metal and at least one dopant. The MTJ stack is disposed over the SOT induction structure.Type: ApplicationFiled: September 1, 2022Publication date: November 30, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Ming-Yuan Song, Chien-Min Lee, Shy-Jay Lin, Tung-Ying Lee, Xinyu BAO
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Publication number: 20230363290Abstract: A memory device is provided. The memory device includes a substrate, a spin-orbit torque layer and a magnetic tunneling junction (MTJ). The MTJ stacks with the spin-orbit torque layer over the substrate and includes a synthetic free layer, a barrier layer and a reference layer. The synthetic free layer includes a synthetic antiferromagnetic structure, a first spacer layer and a free layer, wherein the synthetic antiferromagnetic structure is disposed between the spin-orbit torque layer and the free layer. The barrier layer is disposed beside the synthetic free layer. The reference layer is disposed beside the barrier layer.Type: ApplicationFiled: July 19, 2023Publication date: November 9, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yen-Lin Huang, Ming-Yuan Song, Chien-Min Lee, Shy-Jay Lin
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Publication number: 20230329005Abstract: A semiconductor device including a semiconductor substrate and an interconnect structure is provided. The semiconductor substrate includes a transistor, wherein the transistor has a source region and a drain region. The interconnect structure is disposed over the semiconductor substrate, wherein the interconnect structure includes a plurality of interlayer dielectric layers, a first via and a memory cell. The plurality of interlayer dielectric layers are over the semiconductor substrate. The first via is embedded in at least two interlayer dielectric layers among the plurality of interlayer dielectric layers and electrically connected with the drain region of the transistor. The memory cell is disposed over the at least two interlayer dielectric layers among the plurality of interlayer dielectric layers and electrically connected with the first via.Type: ApplicationFiled: June 12, 2023Publication date: October 12, 2023Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Carlos H. Diaz, Shy-Jay Lin, Ming-Yuan Song
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Patent number: 11765984Abstract: A memory device is provided. The memory device includes a substrate, a spin-orbit torque layer and a magnetic tunneling junction (MTJ). The MTJ stacks with the spin-orbit torque layer over the substrate and includes a synthetic free layer, a barrier layer and a reference layer. The synthetic free layer includes a synthetic antiferromagnetic structure, a first spacer layer and a free layer, wherein the synthetic antiferromagnetic structure is disposed between the spin-orbit torque layer and the free layer. The barrier layer is disposed beside the synthetic free layer. The reference layer is disposed beside the barrier layer.Type: GrantFiled: June 22, 2021Date of Patent: September 19, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Yen-Lin Huang, Ming-Yuan Song, Chien-Min Lee, Shy-Jay Lin