Patents by Inventor Cheng Chang
Cheng 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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Patent number: 12260321Abstract: A data feature augmentation system and method for a low-precision neural network are provided. The data feature augmentation system includes a first time difference unit. The first time difference unit includes a first sample-and-hold circuit and a subtractor. The first sample-and-hold circuit is used for receiving an input signal and obtaining a first signal according to the input signal. The first signal is related to a first leakage rate of the first sample-and-hold circuit and the first signal is the signal generated by delaying the input signal by one time unit. The subtractor is used for performing subtraction on the input signal and the first signal to obtain a time difference signal. The input signal and the time difference signal are inputted to the low-precision neural network.Type: GrantFiled: July 26, 2021Date of Patent: March 25, 2025Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Fu-Cheng Tsai, Yi-Ching Kuo, Chih-Sheng Lin, Shyh-Shyuan Sheu, Tay-Jyi Lin, Shih-Chieh Chang
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Patent number: 12259239Abstract: A sheet detection device includes: a magnetic sensing element disposed on a sheet guide, wherein the sheet guide brings the magnetic sensing element to move to a first position or a second position; a first magnetic element disposed on a sheet tray corresponding to the first position; a second magnetic element disposed on the sheet tray corresponding to the second position and in spaced with the first magnetic element; a processing element electrically connected with the magnetic sensing element. When the magnetic sensing element outputs a first voltage signal, the processing element determines the sheet guide is located at the first position according to the first voltage signal. When the magnetic sensing element outputs a second voltage signal, the processing element determines the sheet guide is located at the second position according to the second voltage signal. The first voltage signal is different from the second voltage signal.Type: GrantFiled: January 12, 2023Date of Patent: March 25, 2025Assignee: KINPO ELECTRONICS, INC.Inventors: Tzu-Cheng Chang, Wei-Chun Jau
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Patent number: 12256717Abstract: The application discloses a method, apparatus and system for scanning an animal. The method includes obtaining a species of an animal to be scanned, identifying a type of an animal cabin where the animal to be scanned is located, and determining whether the species of the animal to be scanned matches the type of the animal cabin, determining and presenting a corresponding scanning protocol that matches the species of the animal to be scanned if the species of the animal to be scanned matches the type of the animal cabin, and perform a scan according to the corresponding scanning protocol, or according to a user-defined scanning protocol.Type: GrantFiled: June 30, 2023Date of Patent: March 25, 2025Assignee: WUHAN UNITED IMAGING LIFE SCIENCE INSTRUMENT CO., LTDInventors: Ying Chang, Cheng-Yuan Peng, Li Chen, Hai-Liang Ke
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Patent number: 12261133Abstract: A method is provided for forming an integrated circuit (IC) chip package structure. The method includes: providing an interposer having a front surface and a back surface, the interposer comprising a substrate, at least one routing region, and at least one non-routing region; forming at least one warpage-reducing trench in the at least one non-routing region, wherein the at least one warpage-reducing trench extends from the front surface of the interposer to a first depth, the first depth smaller than a thickness between the front surface and the back surface of the interposer; depositing a warpage-relief material in the at least one warpage-reducing trench; and bonding the group of IC dies to the front surface of the interposer.Type: GrantFiled: April 8, 2024Date of Patent: March 25, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Tsung-Yang Hsieh, Chien-Chang Lee, Chia-Ping Lai, Wen-Chung Lu, Cheng-Kang Huang, Mei-Shih Kuo, Chih-Ai Huang
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Publication number: 20250098276Abstract: Methods for forming a semiconductor device structure are described. The method includes forming first and second fin structures over a substrate and forming a dielectric wall between the first and second fin structures. The forming the dielectric wall includes depositing a first dielectric layer between the first and second fin structures, and a seam is formed in the first dielectric layer. The forming the dielectric wall further includes performing an anisotropic etch process to remove a portion of the first dielectric layer to expose the seam, performing an isotropic etch process to enlarge an opening of the seam, and the seam has a āVā shaped cross-sectional profile. The forming the dielectric wall further includes depositing a second dielectric layer between the first and second fin structures, and the seam is filled. The method further includes forming shallow trench isolation regions adjacent the first and second fin structures.Type: ApplicationFiled: September 15, 2023Publication date: March 20, 2025Inventors: Kai-Chun CHANG, Chi-Hsun LIN, Yi Chen HO, Hung Cheng LIN
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Publication number: 20250093248Abstract: There is provided a smoke detector including a substrate, a light source and a light sensor. The light source and the light sensor are arranged adjacently on the substrate. The substrate is arranged with an asymmetric structure to cause an illumination region of the light source to deviate toward the light sensor thereby increasing a ratio of light intensity reflected by smoke with respect to reference light intensity.Type: ApplicationFiled: December 6, 2024Publication date: March 20, 2025Inventors: Yen-Chang Chu, Cheng-Nan Tsai, Chih-Ming Sun
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Publication number: 20250091524Abstract: Disclosed in the present disclosure is a screen bracket and a vehicle-mounted rotating screen. The screen bracket includes a rotating base, a connecting shaft, and a limiting member. A first end of the connecting shaft is connected to a display screen, a second end of the connecting shaft rotatably connected to the rotating base, the second end of the connecting shaft defines a plurality of locating holes. The limiting member is fixed to the rotating base, the limiting member has a telescopic rod, and the telescopic rod is disposed towards the connecting shaft. When the connecting shaft rotates to a specified rotation angle, a corresponding locating hole is facing the telescopic rod, and the telescopic rod is configured to clamp the corresponding locating hole in an extended state and detach the corresponding locating hole in a retracted state.Type: ApplicationFiled: November 17, 2023Publication date: March 20, 2025Inventors: YU-SHENG CHANG, CHI-CHENG WEN, WEN-BIN HUANG, HSIU-FU LI, YU-CHIH CHENG
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Publication number: 20250098237Abstract: Semiconductor structures and methods of forming the same are provided. In an embodiment, an exemplary semiconductor structure includes a first transistor. The first transistor includes a first gate structure wrapping around a plurality of first nanostructures disposed over a substrate, a first source/drain feature electrically coupled to a topmost nanostructure of the plurality of first nanostructures and isolated from a bottommost nanostructure of the plurality of first nanostructures by a first dielectric layer, and a first semiconductor layer disposed between the substrate and the first source/drain feature, wherein the first source/drain feature is in direct contact with a top surface of the first semiconductor layer.Type: ApplicationFiled: January 4, 2024Publication date: March 20, 2025Inventors: Jung-Hung Chang, Shih-Cheng Chen, Tsung-Han Chuang, Wen-Ting Lan, Chia-Cheng Tsai, Kuo-Cheng Chiang, Chih-Hao Wang
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Publication number: 20250098219Abstract: A device includes: a substrate having a semiconductor fin; a stack of semiconductor channels on the substrate and positioned over the fin; a gate structure wrapping around the semiconductor channels; a source/drain abutting the semiconductor channels; an inner spacer positioned between the stack of semiconductor channels and the fin; an undoped semiconductor layer vertically adjacent the source/drain and laterally adjacent the fin; and an isolation structure that laterally surrounds the undoped semiconductor layer, the isolation structure being between the source/drain and the inner spacer.Type: ApplicationFiled: February 15, 2024Publication date: March 20, 2025Inventors: Jung-Hung CHANG, Shih-Cheng CHEN, Tsung-Han CHUANG, Fu-Cheng CHANG, Wen-Ting LAN, Chia-Cheng TSAI, Kuo-Cheng CHIANG, Chih-Hao WANG, Wang-Chun Huang, Shi-Syuan Huang
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Patent number: 12255144Abstract: A graphene liner deposited between at least one liner material (e.g., barrier layer, ruthenium liner, and/or cobalt liner) and a copper conductive structure reduces surface scattering at an interface between the at least one liner material and the copper conductive structure. Additionally, or alternatively, the carbon-based liner reduces contact resistance at an interface between the at least one liner material and the copper conductive structure. A carbon-based cap may additionally or alternatively be deposited on a metal cap, over the copper conductive structure, to reduce surface scattering at an interface between the metal cap and an additional copper conductive structure deposited over the metal cap.Type: GrantFiled: January 11, 2022Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Shu-Cheng Chin, Chih-Yi Chang, Chih-Chien Chi, Ming-Hsing Tsai
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Patent number: 12253800Abstract: A photoresist layer is formed over a wafer. The photoresist layer includes a metallic photoresist material and one or more additives. An extreme ultraviolet (EUV) lithography process is performed using the photoresist layer. The one or more additives include: a solvent having a boiling point greater than about 150 degrees Celsius, a photo acid generator, a photo base generator, a quencher, a photo de-composed base, a thermal acid generator, or a photo sensitivity cross-linker.Type: GrantFiled: June 30, 2021Date of Patent: March 18, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: An-Ren Zi, Joy Cheng, Ching-Yu Chang
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Patent number: 12256549Abstract: In some embodiments, the present disclosure relates to an integrated chip. The integrated chip includes a plurality of transistor devices disposed on or within a substrate and a plurality of memory devices disposed on or within the substrate. A first isolation structure is disposed within the substrate between the plurality of transistor devices and the plurality of memory devices. A dummy gate structure is arranged on the first isolation structure and has a top surface that is vertically above top surfaces of the plurality of transistor devices and the plurality of memory devices.Type: GrantFiled: July 18, 2022Date of Patent: March 18, 2025Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Wei Cheng Wu, Chien-Hung Chang
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Publication number: 20250087592Abstract: A package structure includes a first bonding film on a first package component and a first alignment mark in the first bonding film. The first alignment mark includes a plurality of first patterns spaced apart from each other. The package structure includes a second bonding film on a second package component and bonded to the first bonding film, and a second alignment mark in the second bonding film. The second alignment mark includes a plurality of second patterns spaced apart from each other, and the first patterns overlap the second patterns. In this case, an interference pattern can be formed by the optical signal passing through the varying spacing between the gratings of top wafer and bottom wafer due to pitch difference between first pitch and second pitch. By reading the optical signal, the resolution of overlay (misalignment) measurement is improved.Type: ApplicationFiled: September 11, 2023Publication date: March 13, 2025Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Geng-Ming CHANG, Kewei ZUO, Tzu-Cheng LIN, Chih-Hang TUNG, Wen-Chih CHIOU, Wen-Yao CHANG, Chen-Hua YU
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Publication number: 20250089332Abstract: A semiconductor device includes a substrate having a semiconductor fin. A gate structure is over the semiconductor fin, in which the gate structure has a tapered profile and comprises a gate dielectric. A work function metal layer is over the gate dielectric, and a filling metal is over the work function metal layer. A gate spacer is along a sidewall of the gate structure, in which the work function metal layer is in contact with the gate dielectric and a top portion of the gate spacer. An epitaxy structure is over the semiconductor fin.Type: ApplicationFiled: November 27, 2024Publication date: March 13, 2025Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Zhi-Qiang WU, Kuo-An LIU, Chan-Lon YANG, Bharath Kumar PULICHERLA, Li-Te LIN, Chung-Cheng WU, Gwan-Sin CHANG, Pinyen LIN
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Publication number: 20250089275Abstract: A semiconductor device and method of manufacturing the same are provided. The semiconductor device includes a substrate and a capacitor structure. The capacitor structure is disposed on the substrate. The capacitor structure includes a first electrode and a plurality of second electrodes. At least one of the plurality of second electrodes is embedded within the first electrode.Type: ApplicationFiled: January 2, 2024Publication date: March 13, 2025Inventors: Hui-Hung Shen, Ke-Jing Yu, Yu-Chen Chang, Anhao Cheng, Yen-Liang Lin, Ru-Shang Hsiao
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Publication number: 20250089265Abstract: A ferroelectric random access memory (FeRAM) cell may include an oxide insertion layer between the electron barrier layer and the metal glue layer of the source/drain regions of the FeRAM cell. The oxide insertion layer may improve the thermal stability of the electron barrier layer and minimize or prevent dissociation and/or out-diffusion of the electron barrier layer at high processing temperatures. Thus, the oxide insertion layer may enable the metal glue layer to be formed over the electron barrier layer with low surface roughness, which may enable increased adhesion between the metal glue layer and the source/drain electrodes of the source/drain regions. In this way, the oxide insertion layer may enable low electrical resistance to be achieved for the FeRAM cell and/or may reduce the likelihood of failures in the FeRAM cell, among other examples.Type: ApplicationFiled: September 13, 2023Publication date: March 13, 2025Inventors: Ya-Ling LEE, I-Cheng CHANG, Yen-Chieh HUANG, I-Chee LEE
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Patent number: 12248245Abstract: A method includes: inspecting a reticle in a reticle pod, the reticle pod including a sealed space to accommodate the reticle, and the reticle pod further comprising a window arranged on an upper surface of the reticle pod, wherein the inspecting is performed through the window; and moving the reticle out of the reticle pod for performing a lithography operation using the reticle.Type: GrantFiled: July 30, 2023Date of Patent: March 11, 2025Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.Inventors: Wang Cheng Shih, Hao-Ming Chang, Chung-Yang Huang, Cheng-Ming Lin
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Patent number: 12249592Abstract: A method includes placing a first wafer on a first wafer stage, placing a second wafer on a second wafer stage, and pushing a center portion of the first wafer to contact the second wafer. A bonding wave propagates from the center portion to edge portions of the first wafer and the second wafer. When the bonding wave propagates from the center portion to the edge portions of the first wafer and the second wafer, a stage gap between the top wafer stage and the bottom wafer stage is reduced.Type: GrantFiled: January 18, 2022Date of Patent: March 11, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Han-De Chen, Cheng-I Chu, Yun Chen Teng, Chen-Fong Tsai, Jyh-Cherng Sheu, Huicheng Chang, Yee-Chia Yeo
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Semiconductor device including multiple inner spacers with different etch rates and method of making
Patent number: 12249639Abstract: Improved inner spacers for semiconductor devices and methods of forming the same are disclosed.Type: GrantFiled: January 2, 2024Date of Patent: March 11, 2025Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Wen-Kai Lin, Che-Hao Chang, Chi On Chui, Yung-Cheng Lu -
Patent number: 12248164Abstract: A backlight module includes a light guide plate, a light source, and an optical film. The light guide plate has a light incident surface and a light exiting surface opposite to the light incident surface, in which the light exiting surface has a normal line. The light source is adjacent to the light incident surface. The optical film is disposed to the light exiting surface and includes plural parallel prisms and plural microstructures. An extending direction of each of the prisms is perpendicular to the normal line, and each of the prisms faces the light exiting surface of the light guide plate. Each of the microstructures is located on a surface of the optical film which faces away from the light guide plate. Each of the microstructures has a pyramid structure with plural facets. The prisms are located between the microstructures and the light exiting surface.Type: GrantFiled: January 26, 2024Date of Patent: March 11, 2025Assignee: Radiant Opto-Electronics CorporationInventors: Chia-Yin Chang, Po-Chang Huang, Kun-Cheng Lin