Patents by Inventor Chao Chung
Chao Chung 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: 12156479Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a magnetic tunneling junction (MTJ) and a spin Hall electrode (SHE). The MTJ includes a free layer, a reference layer and a barrier layer lying between the free layer and the reference layer. The SHE is in contact with the MTJ, and configured to convert a charge current to a spin current for programming the MTJ. The SHE is formed of an alloy comprising at least one heavy metal element and at least one light transition metal element. The heavy metal element is selected from metal elements with one or more valence electrons filling in 5d orbitals, and the light transition metal element is selected from transition metal elements with one or more valence electrons partially filling in 3d orbitals.Type: GrantFiled: November 4, 2021Date of Patent: November 26, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Yen-Lin Huang, MingYuan Song, Chien-Min Lee, Shy-Jay Lin, Chi-Feng Pai, Chen-Yu Hu, Chao-Chung Huang, Kuan-Hao Chen, Chia-Chin Tsai, Yu-Fang Chiu, Cheng-Wei Peng
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Publication number: 20240389472Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a magnetic tunneling junction (MTJ) and a spin Hall electrode (SHE). The MTJ includes a free layer, a reference layer and a barrier layer lying between the free layer and the reference layer. The SHE is in contact with the MTJ, and configured to convert a charge current to a spin current for programming the MTJ. The SHE is formed of an alloy comprising at least one heavy metal element and at least one light transition metal element. The heavy metal element is selected from metal elements with one or more valence electrons filling in 5 d orbitals, and the light transition metal element is selected from transition metal elements with one or more valence electrons partially filling in 3 d orbitals.Type: ApplicationFiled: July 29, 2024Publication date: November 21, 2024Inventors: Yen-Lin Huang, MingYuan Song, Chien-Min Lee, Shy-Jay Lin, Chi-Feng Pai, Chen-Yu Hu, Chao-Chung Huang, Kuan-Hao Chen, Chia-Chin Tsai, Yu-Fang Chiu, Cheng-Wei Peng
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Patent number: 12123560Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.Type: GrantFiled: November 15, 2023Date of Patent: October 22, 2024Inventors: Arthur Chao-Chung Wu, Jarret Weis, David Burns
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Publication number: 20240243664Abstract: A controller of a buck-boost conversion circuit and a mode switching method thereof are provided. The controller control operations of multiple switches of the buck-boost conversion circuit to convert an input voltage into an output voltage and provide an output current. The controller includes a slope compensation circuit, a control loop, and a mode switching circuit. The slope compensation circuit generates a slope compensation signal according to a mode switching signal of a current cycle. The control loop is coupled to the slope compensation circuit and the switches respectively, and is configured to generate multiple switch control signals according to the slope compensation signal, a feedback voltage related to the output voltage, and a current sense signal related to the output current to control the operations of the switches respectively. The mode switching circuit is coupled to the slope compensation circuit and the control loop.Type: ApplicationFiled: December 22, 2023Publication date: July 18, 2024Applicant: uPI Semiconductor Corp.Inventors: Yen Hui Wang, Yi-Xian Jan, Chien Hsien Tsai, Kuo-Jen Kuo, Chao-Chung Huang, Cheng-Hsing Li
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Publication number: 20240170930Abstract: An integrated substation is provided. The integrated substation includes a cabinet and at least one airflow driver. The cabinet has a high pressure room, a low pressure room, and an exchange room located between the high pressure room and the low pressure room. The exchange room and the high pressure room are separated from each other by a first inner wall, and the exchange room and the low pressure room are separated from each other by a second inner wall.Type: ApplicationFiled: November 17, 2022Publication date: May 23, 2024Inventors: CHIA-CHING LIN, CHAO-CHUNG LIU, CHIA-TAI HSU
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Publication number: 20240084983Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.Type: ApplicationFiled: November 15, 2023Publication date: March 14, 2024Inventors: Arthur Chao-Chung Wu, Jarret Weis, David Burns
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Patent number: 11859783Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light, source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.Type: GrantFiled: August 5, 2022Date of Patent: January 2, 2024Assignee: Good BisonInventors: Arthur Chao-Chung Wu, Jarret Weis, David Burns
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Patent number: 11789045Abstract: A current sensing circuit includes a filtering circuit, an amplifier, a first resistor, a first transistor and a second transistor. The filtering circuit is coupled to two terminals of a sensing resistor. The amplifier has a first input terminal, a second input terminal and an output terminal. The second input terminal is coupled to the filtering circuit. The first resistor is coupled between the filtering circuit and the first input terminal of amplifier. A control terminal of the first transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the first input terminal of amplifier and its second terminal is grounded through a second resistor. A control terminal of the second transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the second input terminal of amplifier and its second terminal is grounded through a third resistor.Type: GrantFiled: June 2, 2022Date of Patent: October 17, 2023Assignee: UPI SEMICONDUCTOR CORP.Inventors: Chao-Chung Huang, Kuo-Jen Kuo, Yi-Xian Jan
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Publication number: 20230003771Abstract: A current sensing circuit includes a filtering circuit, an amplifier, a first resistor, a first transistor and a second transistor. The filtering circuit is coupled to two terminals of a sensing resistor. The amplifier has a first input terminal, a second input terminal and an output terminal. The second input terminal is coupled to the filtering circuit. The first resistor is coupled between the filtering circuit and the first input terminal of amplifier. A control terminal of the first transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the first input terminal of amplifier and its second terminal is grounded through a second resistor. A control terminal of the second transistor is coupled to the output terminal of amplifier, and its first terminal is coupled to the second input terminal of amplifier and its second terminal is grounded through a third resistor.Type: ApplicationFiled: June 2, 2022Publication date: January 5, 2023Inventors: Chao-Chung HUANG, Kuo-Jen KUO, Yi-Xian JAN
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Publication number: 20220373143Abstract: The disclosure includes a convertible light device comprising a device housing, a battery pack removably coupled to the housing, and an elongate flexible light source detachably coupled to the device housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the device housing. In the lantern mode, the elongate flexible light source may be configured to wrap around the device housing.Type: ApplicationFiled: August 5, 2022Publication date: November 24, 2022Inventors: Arthur Chao-Chung Wu, Jarret Weis, David Burns
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Publication number: 20220299717Abstract: A contactless connector includes: a light emitter for emitting light; a light-transmitting member at least partially covering the light emitter; and an alignment mechanism that enables an alignment error between the light emitter and a light receiver on another contactless connector to be not greater than 5 microns; wherein the light-transmitting member includes a mating surface that is matched with an opposite surface of the another contactless connector and there is an elastic member on the opposite surface of the another contactless connector to adjust alignment of the alignment mechanism.Type: ApplicationFiled: March 16, 2022Publication date: September 22, 2022Inventors: TUNG-LOU LIN, CHANG-TENG HSU, HAI-JUN XU, CHENG-HSIU LU, CHAO-CHUNG CHANG
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Patent number: 11408568Abstract: The disclosure includes a convertible light device comprising a housing, a battery pack coupled to the housing, and an elongate flexible light source detachably coupled to the housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the housing and couple to an external anchor. In the lantern mode, the elongate flexible light source may be configured to wrap around the housing.Type: GrantFiled: June 14, 2021Date of Patent: August 9, 2022Assignee: GOOD BISONInventors: Arthur Chao-Chung Wu, Jarret Weis, David Burns
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Publication number: 20220216396Abstract: A memory device and a manufacturing method thereof are provided. The memory device includes a magnetic tunneling junction (MTJ) and a spin Hall electrode (SHE). The MTJ includes a free layer, a reference layer and a barrier layer lying between the free layer and the reference layer. The SHE is in contact with the MTJ, and configured to convert a charge current to a spin current for programming the MTJ. The SHE is formed of an alloy comprising at least one heavy metal element and at least one light transition metal element. The heavy metal element is selected from metal elements with one or more valence electrons filling in 5d orbitals, and the light transition metal element is selected from transition metal elements with one or more valence electrons partially filling in 3d orbitals.Type: ApplicationFiled: November 4, 2021Publication date: July 7, 2022Inventors: Yen-Lin Huang, MingYuan Song, Chien-Min Lee, Shy-Jay Lin, Chi-Feng Pai, Chen-Yu Hu, Chao-Chung Huang, Kuan-Hao Chen, Chia-Chin Tsai, Yu-Fang Chiu, Cheng-Wei Peng
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Patent number: 11369962Abstract: Disclosed are devices and methods useful for confined-channel digital microfluidics that combine high-throughput droplet generators with digital microfluidic for droplet manipulation. The present disclosure also provides an off-chip sensing system for droplet tracking.Type: GrantFiled: October 26, 2015Date of Patent: June 28, 2022Assignee: National Technology & Engineering Solutions Of Sandia, LLCInventors: Jess M. Sustarich, Chao Chung Shih, Anup Kumar Singh, Philip Gach
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Patent number: 11326688Abstract: A planetary gear set having a planet shaft that extends from a planet gear carrier into a hole in a planet gear. At least one set of bearing rollers may be received inside the hole and may rotatably support the planet gear on the planet shaft. A first shaft thrust washer may extend between the planet gear carrier and a set of bearing rollers.Type: GrantFiled: April 15, 2021Date of Patent: May 10, 2022Assignee: ArvinMeritor Technology, LLCInventor: I-Chao Chung
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Publication number: 20210388956Abstract: The disclosure includes a convertible light device comprising a housing, a battery pack coupled to the housing, and an elongate flexible light source detachably coupled to the housing and electrically coupled to the battery pack, where the elongate flexible light source comprises a plurality of LEDs. In some embodiments, the convertible light device is configured to convert between a rope mode and a lantern mode. In the rope mode, the elongate flexible light source may be configured to extend from the housing and couple to an external anchor. In the lantern mode, the elongate flexible light source may be configured to wrap around the housing.Type: ApplicationFiled: June 14, 2021Publication date: December 16, 2021Inventors: Arthur Chao-Chung Wu, Jarret Weis, David Burns
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Patent number: 11139788Abstract: A measuring current generation circuit coupled to a setting resistor is disclosed. The generation circuit includes a first measuring terminal, a second measuring terminal, a first transconductance amplifier, a second transconductance amplifier and an output circuit. The first transconductance amplifier has a first input terminal and a second input terminal. The first input terminal is coupled to one terminal of the setting resistor. The second input terminal is coupled to another terminal of the setting resistor and coupled to the first measuring terminal. The second transconductance amplifier has a third input terminal and a fourth input terminal. The output circuit is coupled to output terminals of the first transconductance amplifier and the second transconductance amplifier respectively and has a first output terminal and a second output terminal. The first output terminal is coupled to the first input terminal. The second output terminal is coupled to the second measuring terminal.Type: GrantFiled: June 17, 2020Date of Patent: October 5, 2021Assignee: UPI SEMICONDUCTOR CORP.Inventors: Yi-Xian Jan, Chien-Hsien Tsai, Kuo-Jen Kuo, Chao-Chung Huang, Chien-Kuei Chan
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Publication number: 20210255327Abstract: Various examples pertaining to emission and reception of patterned light waves for range sensing are described. An apparatus emits a light having a spatial pattern toward a scene. The apparatus performs range sensing of the scene using a hybrid of techniques based on a plurality of effects caused by the emitting of the light. The plurality of techniques include two or more active depth sensing techniques or a passive depth sensing technique and at least one active depth sensing technique.Type: ApplicationFiled: February 17, 2020Publication date: August 19, 2021Inventors: Chao-Chung Cheng, Te-Hao Chang, Ying-Jui Chen
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Patent number: 10958897Abstract: Various examples with respect to visual depth sensing with accurate and full-range depth fusion and sensing are described. A control circuit of an apparatus receives a plurality of sensor signals that are heterogeneous in type from a plurality of sensors. The control circuit generates first depth-related information of a scene and second depth-related information of the scene based on the plurality of sensor signals. The control circuit then fuses the first depth-related information and the second depth-related information to generate a fused depth map of the scene.Type: GrantFiled: March 20, 2019Date of Patent: March 23, 2021Inventors: Chao-Chung Cheng, Chen-Hao Wei, Cheng-Ming Chen, Yu-Ying Wang, Liang-Chun Lin
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Patent number: 10941846Abstract: A differential assembly having a case and a ring gear. The ring gear is mounted to the case and may include a mounting flange and a set of teeth. The mounting flange may have a fastener hole. The set of teeth overhangs the fastener hole such that the set of teeth extend further toward the axis than at least a portion of the fastener hole.Type: GrantFiled: April 30, 2019Date of Patent: March 9, 2021Assignee: ArvinMeritor Technology, LLCInventors: Dhanapal Vittala Raya, I-Chao Chung, Tao Peng, Kristen G. Byrd