Patents by Inventor Chih-Chung Chou
Chih-Chung Chou 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: 20250205847Abstract: A chemical mechanical polishing system includes a platen to support a polishing pad having a polishing surface, a conduit having an inlet to be coupled to a gas source, and a dispenser coupled to the conduit and having a convergent-divergent nozzle suspended over the platen to direct gas from the gas source onto the polishing surface of the polishing pad.Type: ApplicationFiled: March 13, 2025Publication date: June 26, 2025Inventors: Haosheng Wu, Shou-Sung Chang, Chih Chung Chou, Jianshe Tang, Hui Chen, Hari Soundararajan, Brian J. Brown
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Patent number: 12296427Abstract: A chemical mechanical polishing system includes a platen to support a polishing pad having a polishing surface, a conduit having an inlet to be coupled to a gas source, and a dispenser coupled to the conduit and having a convergent-divergent nozzle suspended over the platen to direct gas from the gas source onto the polishing surface of the polishing pad.Type: GrantFiled: August 10, 2020Date of Patent: May 13, 2025Assignee: Applied Materials, Inc.Inventors: Haosheng Wu, Shou-Sung Chang, Chih Chung Chou, Jianshe Tang, Hui Chen, Hari Soundararajan, Brian J. Brown
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Publication number: 20250114909Abstract: A chemical mechanical polishing apparatus includes a platen to hold a polishing pad, a carrier to hold a substrate against a polishing surface of the polishing pad during a polishing process, a polishing liquid dispenser having a polishing liquid port positioned over the platen to deliver polishing liquid onto the polishing pad, a temperature control system including coolant liquid fluid reservoirs for containing coolant fluids, a thermal controller configured to control the temperature of the coolant fluid within the coolant fluid reservoirs, and a first dispenser having openings in fluid connection with the coolant fluid reservoirs, the openings positioned configured to spray an aerosolized coolant liquid directly onto the polishing pad, and a second dispenser having a coolant port in fluid connection with the coolant fluid reservoirs, the coolant port positioned over the platen and configured to flow a stream of coolant liquid directly onto the polishing pad.Type: ApplicationFiled: October 5, 2023Publication date: April 10, 2025Inventors: Priscilla Diep LaRosa, Chih Chung Chou, Haosheng Wu, Taketo Sekine, Chen-Wei Chang, Elton Zhong, Jianshe Tang, Songling Shin
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Publication number: 20250073850Abstract: A chemical mechanical polishing chamber may include a platen disposed within the chemical mechanical polishing chamber, the platen configured to support a polishing pad. The chamber may also include a slurry delivery arm configured to deliver a slurry to the polishing pad during a chemical mechanical polishing process. The chamber may include an arm may include one or more brackets, mechanically attached to an internal side of the chemical mechanical polishing chamber and positioned over the platen. The chamber may include a plurality of nozzles configured to deliver a gas to the polishing pad, the plurality of nozzles mechanically attached to the one or more brackets of the arm, each of the plurality of nozzles oriented such that an air gap is disposed between adjacent nozzles of the plurality of nozzles such that air may be pulled from the air gap and propelled with the gas towards the polishing pad.Type: ApplicationFiled: August 21, 2024Publication date: March 6, 2025Applicant: Applied Materials, Inc.Inventors: Haosheng WU, Shou-Sung CHANG, Priscilla DIEP, Hui CHEN, Chih Chung CHOU, Jeonghoon OH, Jianshe TANG, Brian J. BROWN
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Patent number: 12233505Abstract: A polishing pad includes a sensor assembly surrounded by a lower portion of the polishing pad, and an upper portion including a pad portion disposed on the assembly and at least a portion of a polishing layer disposed on the lower portion. The sensor assembly includes a lower body having a first pair of electrodes formed thereon, a polymer body having a second pair of electrodes formed thereon and aligned with the first pair of electrodes, and a pair of gaps between the first pair of electrodes and the second pair of electrodes.Type: GrantFiled: May 10, 2023Date of Patent: February 25, 2025Assignee: Applied Materials, Inc.Inventors: Nicholas A. Wiswell, Chih Chung Chou, Dominic J. Benvegnu
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Publication number: 20240408650Abstract: A chemical mechanical polishing system includes a first polishing station including a first platen to support a first polishing pad, a transfer station to receive a substrate from a robot, a carrier head movable on a predetermined path from the polishing station to the transfer station, a gas flow regulator having an input for a carrier gas, a liquid flow regulator having an input for a cleaning liquid, and a fluid jet cleaner at a position along the predetermined path. The fluid jet cleaner includes an atomizer nozzle including an input port coupled to the gas flow regulator, an injection port coupled to the liquid flow regulator, and an output port positioned to spray the cleaning liquid entrained in the carrier gas onto the substrate held by the carrier head when the carrier head is located above the fluid jet cleaner.Type: ApplicationFiled: June 6, 2023Publication date: December 12, 2024Inventors: Haosheng Wu, Shou-Sung Chang, Hui Chen, Chih Chung Chou, Sih-Ling Yeh, Emily Drauss, Elton Zhong, Chad Pollard, Songling Shin, Jianshe Tang, Jeonghoon Oh
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Patent number: 12148647Abstract: An apparatus includes a substrate holder, a first actuator to rotate the substrate holder, a second actuator to move the substrate holder linearly, a first sensor to generate one or more first measurements or images of the substrate, a second sensor to generate one or more second measurements of target positions on the substrate, and a processing device. The processing device estimates a position of the substrate on the substrate holder and causes the first actuator to rotate the substrate holder about a first axis. The rotation causes an offset between a field of view of the second sensor and a target position on the substrate due to the substrate not being centered on the substrate holder. The processing device causes the second actuator to move the substrate holder linearly along a second axis to correct the offset. The processing device determines a profile across a surface of the substrate based on the one or more second measurements of the target positions.Type: GrantFiled: January 25, 2022Date of Patent: November 19, 2024Assignee: Applied Materials, Inc.Inventors: Patricia Schulze, Gregory John Freeman, Michael Kutney, Arunkumar Ramachandraiah, Chih Chung Chou, Zhaozhao Zhu, Ozkan Celik
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Publication number: 20240339347Abstract: An optical measurement device comprises a substrate holder to secure a substrate, a plurality of actuators to move the substrate holder relative to a plurality of axes, a first sensor to generate one or more first measurements or images of a first plurality of target positions on the substrate, and a second sensor to generate one or more second measurements of a second plurality of target positions on the substrate. The optical measurement device further comprises a plate, wherein the substrate holder, the plurality of actuators, the first sensor and the second sensor are each mounted to the plate, and wherein the plate provides vibration isolation from a factory interface to which the optical measurement device mounts. The optical measurement device further comprises a processing device that executes instructions to control the plurality of actuators and process the first measurements or images and the second measurements.Type: ApplicationFiled: June 18, 2024Publication date: October 10, 2024Inventors: Patricia Schulze, Gregory John Freeman, Michael Kutney, Arunkumar Ramachandraiah, Chih Chung Chou, Zhaozhao Zhu, Ozkan Celik
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Publication number: 20240307928Abstract: An apparatus for steam treatment of a conditioner head and/or conditioner disk in a chemical mechanical polishing system includes a conditioner cleaning cup, a boiler to generate steam, one or more nozzles positioned to direct steam inwardly into a cavity defined by the load cup, and a supply line running from the boiler to the one or more nozzles to supply steam to the one or more nozzles.Type: ApplicationFiled: May 16, 2024Publication date: September 19, 2024Inventors: Haosheng Wu, Jianshe Tang, Hari Soundararajan, Shou-Sung Chang, Hui Chen, Chih Chung Chou, Alexander John Fisher, Paul D. Butterfield
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Patent number: 12081056Abstract: A controller for managing a battery pack includes: a detection terminal, for transmitting an enable signal when values of battery parameters for the battery pack satisfy a sleep condition, where the enable signal enables the detection circuit to detect whether the battery pack is connected to a load and whether the battery pack is connected to the charger; and a receiving terminal, for receiving a detection result transmitted by the detection circuit. The detection result indicates whether the battery pack is connected to at least one of the load and charger. The controller controls the battery pack to enter a sleep mode of the sleep modes based on the detection result. The controller also includes a control terminal, for transmitting a control signal to control an on/off state of a charging switch and/or a discharging switch. The control signal is generated by the controller based on the detection result.Type: GrantFiled: May 25, 2023Date of Patent: September 3, 2024Assignee: O2Micro Inc.Inventors: Yingguo Zhang, Guoyan Qiao, Fu-Jen Hsieh, Chia-Ming Chang, Chih-Chung Chou, Hua-Yi Wang
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Patent number: 12055591Abstract: In a battery management controller, analog-to-digital conversion circuitry converts analog signals, indicative of a battery voltage, a battery current, and a battery temperature, to digital signals. A memory stores a remaining-capacity lookup table that includes multiple groups of data. Each group of data includes a voltage, a current, a temperature, and a parameter associated with a remaining capacity corresponding to the voltage, the current and the temperature. A processor searches the lookup table for a current parameter value and an end-of-discharge parameter value based on the digital signals, and determines a full available charge capacity of the battery based on the current parameter value and the end-of-discharge parameter value. The processor also counts the number of charges flowing through the battery based on a battery current. The processor further determines an available state of charge of the battery according to the full available charge capacity and the number of charges.Type: GrantFiled: February 22, 2021Date of Patent: August 6, 2024Assignee: O2Micro Inc.Inventors: Chih-Chung Chou, Guoxing Li, Hua-Yi Wang, Fu-Jen Hsieh, Lian Chen
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Patent number: 12030093Abstract: An apparatus for steam treatment of a conditioner head and/or conditioner disk in a chemical mechanical polishing system includes a conditioner cleaning cup, a boiler to generate steam, one or more nozzles positioned to direct steam inwardly into a cavity defined by the load cup, and a supply line running from the boiler to the one or more nozzles to supply steam to the one or more nozzles.Type: GrantFiled: August 16, 2022Date of Patent: July 9, 2024Assignee: Applied Materials, Inc.Inventors: Haosheng Wu, Jianshe Tang, Hari Soundararajan, Shou-Sung Chang, Hui Chen, Chih Chung Chou, Alexander John Fisher, Paul D. Butterfield
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Publication number: 20240109163Abstract: A chemical mechanical polishing system includes a platen to support a polishing pad having a polishing surface, a conduit having an inlet to be coupled to a gas source, and a dispenser coupled to the conduit and having a convergent-divergent nozzle suspended over the platen to direct gas from the gas source onto the polishing surface of the polishing pad.Type: ApplicationFiled: December 12, 2023Publication date: April 4, 2024Inventors: Haosheng Wu, Shou-Sung Chang, Chih Chung Chou, Jianshe Tang, Hui Chen, Hari Soundararajan, Brian J. Brown
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Publication number: 20240066664Abstract: The present disclosure relates to a pad surface cleaning system to be used with a conditioning module to condition a polishing surface of a polishing pad. The pad surface cleaning system may be used to spray the polishing surface with a high-pressure fluid spray to loosen debris from the polishing surface. The pad surface cleaning system may also be used to remove the loosened debris. Further, the pad surface cleaning system may isolate a conditioning disk from a polishing fluid to protect the conditioning disk from reacting with the polishing fluid.Type: ApplicationFiled: August 1, 2023Publication date: February 29, 2024Inventors: Shou-Sung CHANG, Hui CHEN, Haosheng WU, Jianshe TANG, Sidney P. HUEY, Jeonghoon OH, Chad POLLARD, Chih Chung CHOU, Sameer A. DESHPANDE
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Publication number: 20240042571Abstract: Methods and apparatuses for dispensing polishing fluids onto a polishing pad within a chemical mechanical polishing (CMP) system are disclosed herein. In particular, embodiments herein relate to a CMP apparatus for processing a substrate including a pad disposed on a platen. The pad has a pad radius and a central axis from which the pad radius extends. The apparatus also include a carrier assembly configured to be disposed on a surface of the pad and having a carrier radius that extends from a rotational axis of the carrier assembly and a fluid delivery assembly comprising one or more nozzles, each nozzle coupled to a fast actuating valve.Type: ApplicationFiled: October 18, 2023Publication date: February 8, 2024Applicant: Applied Materials, Inc.Inventors: Chih Chung CHOU, Anand Nilakantan IYER, Ekaterina A. MIKHAYLICHENKO, Christopher Heung-Gyun LEE, Erik RONDUM, Tiffany Yu-nung CHEUNG, Shou-Sung CHANG
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Patent number: 11865671Abstract: A chemical mechanical polishing apparatus includes a platen to hold a polishing pad, a carrier laterally movable by an actuator across the polishing pad to hold a substrate against a polishing surface of the polishing pad during a polishing process, a thermal control system including a plurality of independently controllable heaters and coolers to independently control temperatures of a plurality of zones on the polishing pad, and a controller configured to cause the thermal control system to generate a first zone having a first temperature and a second zone having a different second temperature on the polishing pad.Type: GrantFiled: April 15, 2020Date of Patent: January 9, 2024Assignee: Applied Materials, Inc.Inventors: Haosheng Wu, Shou-Sung Chang, Jianshe Tang, Chih Chung Chou, Hui Chen, Hari Soundararajan, Benjamin Cherian
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Publication number: 20230390895Abstract: A polishing system includes a platen to hold a polishing pad, a carrier head to hold a substrate against the polishing pad, a conditioner including a conditioner head to hold a conditioner disk against the polishing pad, a motor to move the conditioner head laterally movable relative to the platen, a conditioning disk cleaning station positioned adjacent the platen to clean the conditioning disk, and a controller configured to cause the motor to, during polishing of the substrate, move the conditioner head back and forth between a first position with the conditioner head over the polishing pad and a second position with the conditioner head in the conditioner disk cleaning station.Type: ApplicationFiled: October 17, 2022Publication date: December 7, 2023Inventors: Haosheng Wu, Shou-Sung Chang, Jianshe Tang, Jeonghoon Oh, Chad Pollard, Chih Chung Chou, Ningzhuo Cui, Hui Chen
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Patent number: 11819976Abstract: Methods and apparatuses for dispensing polishing fluids onto a polishing pad within a chemical mechanical polishing (CMP) system are disclosed herein. In particular, embodiments herein relate to a CMP polishing method including urging a substrate against a surface of a pad of a polishing system using a carrier assembly. A fluid is dispensed onto the pad from a fluid delivery assembly at a variable flow rate and a first flow rate of the variable flow rate is pulsed at a frequency and a duty cycle. The frequency refers to a number of pulses of the fluid at the first flow rate per rotation of the pad. The term duty cycle refers to a percentage of the pad exposed to fluid per rotation of the pad. The carrier assembly is translated across a surface of the pad while rotating the carrier assembly about a rotational axis.Type: GrantFiled: June 25, 2021Date of Patent: November 21, 2023Assignee: Applied Materials, Inc.Inventors: Chih Chung Chou, Anand Nilakantan Iyer, Ekaterina Mikhaylichenko, Christopher Heung-Gyun Lee, Erik Rondum, Tiffany Yu-Nung Cheung, Shou-Sung Chang
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Publication number: 20230299602Abstract: A controller for managing a battery pack includes: a detection terminal, for transmitting an enable signal when values of battery parameters for the battery pack satisfy a sleep condition, where the enable signal enables the detection circuit to detect whether the battery pack is connected to a load and whether the battery pack is connected to the charger; and a receiving terminal, for receiving a detection result transmitted by the detection circuit. The detection result indicates whether the battery pack is connected to at least one of the load and charger. The controller controls the battery pack to enter a sleep mode of the sleep modes based on the detection result. The controller also includes a control terminal, for transmitting a control signal to control an on/off state of a charging switch and/or a discharging switch. The control signal is generated by the controller based on the detection result.Type: ApplicationFiled: May 25, 2023Publication date: September 21, 2023Inventors: Yingguo ZHANG, Guoyan QIAO, Fu-Jen Hsieh, Chia-Ming CHANG, Chih-Chung CHOU, Hua-Yi WANG
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Publication number: 20230278164Abstract: A polishing pad includes a sensor assembly surrounded by a lower portion of the polishing pad, and an upper portion including a pad portion disposed on the assembly and at least a portion of a polishing layer disposed on the lower portion. The sensor assembly includes a lower body having a first pair of electrodes formed thereon, a polymer body having a second pair of electrodes formed thereon and aligned with the first pair of electrodes, and a pair of gaps between the first pair of electrodes and the second pair of electrodes.Type: ApplicationFiled: May 10, 2023Publication date: September 7, 2023Inventors: Nicholas A. Wiswell, Chih Chung Chou, Dominic J. Benvegnu