Patents by Inventor Wei-Chun Chang
Wei-Chun 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: 11966628Abstract: A memory device, includes a memory array for storing a plurality of vector data each of which has an MSB vector and a LSB vector. The memory array includes a plurality of memory units each of which has a first bit and a second bit. The first bit is used to store the MSB vector of each vector data, the second bit is used to store the LSB vector of each vector data. A bit line corresponding to each vector data executes one time of bit-line-setup, and reads the MSB vector and the LSB vector of each vector data according to the bit line. The threshold voltage distribution of each memory unit is divided into N states, where N is a positive integer and N is less than 2 to the power of 2, and the effective bit number stored by each memory unit is less than 2.Type: GrantFiled: June 2, 2022Date of Patent: April 23, 2024Assignee: MACRONIX INTERNATIONAL CO., LTD.Inventors: Wei-Chen Wang, Han-Wen Hu, Yung-Chun Li, Huai-Mu Wang, Chien-Chung Ho, Yuan-Hao Chang, Tei-Wei Kuo
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Publication number: 20240130080Abstract: An immersion cooling system is provided. It includes a pressure seal tank, an electronic module, a blower, and a distributor plate. The pressure seal tank contains a cooling liquid, and a gas outlet is disposed on the top or a sidewall of the pressure seal tank, a gas inlet is disposed on the bottom of the pressure seal tank. The gas outlet is higher than the liquid level of the cooling liquid. The electronic module is disposed in the pressure seal tank and immersed in the cooling liquid. The blower is communicated with the pressure seal tank and configured to extract the gas from the gas outlet and inject the gas into the pressure seal tank via the gas inlet. The distributor plate is disposed in the pressure seal tank and located between the electronic module and the gas inlet.Type: ApplicationFiled: July 12, 2023Publication date: April 18, 2024Inventors: Ren-Chun CHANG, Wei-Chih LIN, Zih-Yang FAN
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Publication number: 20240120922Abstract: Integrated circuits described herein implement multiplexer (MUX) gate system. An integrated circuit includes a plurality of inputs coupled with a first stage of the integrated circuit. The first stage includes a plurality of first Schottky diodes and a plurality of N-type transistors. Each input is coupled with a respective first Schottky diode and N-type transistor. The integrated circuit also includes a plurality of outputs of the first stage coupled with a second stage of the integrated circuit. The second stage includes a plurality of second Schottky diodes and a plurality of P-type transistors. Each output is coupled with a respective second Schottky diode and P-type transistor. The integrated circuit further includes a plurality of outputs of the second stage coupled with a set of transistors including a P-type transistor and an N-type transistor, and an output of the set of transistors coupled with an output of the MUX gate system.Type: ApplicationFiled: December 18, 2023Publication date: April 11, 2024Inventors: Augustine Wei-Chun Chang, Pierre Dermy
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Patent number: 11955338Abstract: A method includes providing a substrate having a surface such that a first hard mask layer is formed over the surface and a second hard mask layer is formed over the first hard mask layer, forming a first pattern in the second hard mask layer, where the first pattern includes a first mandrel oriented lengthwise in a first direction and a second mandrel oriented lengthwise in a second direction different from the first direction, and where the first mandrel has a top surface, a first sidewall, and a second sidewall opposite to the first sidewall, and depositing a material towards the first mandrel and the second mandrel such that a layer of the material is formed on the top surface and the first sidewall but not the second sidewall of the first mandrel.Type: GrantFiled: January 30, 2023Date of Patent: April 9, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.Inventors: Shih-Chun Huang, Ya-Wen Yeh, Chien-Wen Lai, Wei-Liang Lin, Ya Hui Chang, Yung-Sung Yen, Ru-Gun Liu, Chin-Hsiang Lin, Yu-Tien Shen
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Patent number: 11955476Abstract: A low cost IC solution is disclosed to provide Super CMOS microelectronics macros. Hereinafter, the Super CMOS or Schottky CMOS all refer to SCMOS. The SCMOS device solutions with a niche circuit element, the complementary low threshold Schottky barrier diode pairs (SBD) made by selected metal barrier contacts (Co/Ti) to P— and N—Si beds of the CMOS transistors. A DTL like new circuit topology and designed wide contents of broad product libraries, which used the integrated SBD and transistors (BJT, CMOS, and Flash versions) as basic components. The macros include diodes that are selectively attached to the diffusion bed of the transistors, configuring them to form generic logic gates, memory cores, and analog functional blocks from simple to the complicated, from discrete components to all grades of VLSI chips. Solar photon voltaic electricity conversion and bio-lab-on-a-chip are two newly extended fields of the SCMOS IC applications.Type: GrantFiled: April 19, 2023Date of Patent: April 9, 2024Assignee: SCHOTTKY LSI, INC.Inventor: Augustine Wei-Chun Chang
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Patent number: 11944130Abstract: A vaporizer device includes various modular components. The vaporizer device includes a first subassembly. The first subassembly includes a cartridge connector that secures a vaporizer cartridge to the vaporizer device and includes at least two receptacle contacts that electrically communicate with the vaporizer cartridge. The vaporizer device includes a second subassembly. The second subassembly includes a skeleton defining a rigid tray that retains at least a power source. The vaporizer device also includes a third subassembly. The third subassembly includes a plurality of charging contacts that supply power to the power source, and an end cap that encloses an end of the vaporizer device.Type: GrantFiled: December 24, 2020Date of Patent: April 2, 2024Assignee: JUUL Labs, Inc.Inventors: Samuel C. Anderson, Wei-Ling Chang, Brandon Cheung, Steven Christensen, Joseph Chun, Joseph R. Fisher, Jr., Nicholas J. Hatton, Kevin Lomeli, James Monsees, Andrew L. Murphy, Claire O'Malley, John R. Pelochino, Hugh Pham, Vipul V. Rahane, Matthew J. Taschner, Val Valentine, Kenneth Wong
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Publication number: 20240096917Abstract: An image sensor structure includes a semiconductor substrate, a plurality of image sensing elements, a reflective element, and a high-k dielectric structure. The image sensing elements are in the semiconductor substrate. The reflective element is in the semiconductor substrate and between the image sensing elements. The high-k dielectric structure is between the reflective element and the image sensing elements.Type: ApplicationFiled: January 6, 2023Publication date: March 21, 2024Inventors: PO CHUN CHANG, PING-HAO LIN, WEI-LIN CHEN, KUN-HUI LIN, KUO-CHENG LEE
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Publication number: 20240081023Abstract: A working fluid recovery device includes an air moving unit, a water removal unit, a working fluid recovery unit, a condenser, and a working fluid collection tank. The air moving unit is configured to suck in a mixed gas including a non-condensable gas, a steam and a vapor phase of working fluid. The water removal unit is connected to the air moving unit, and configured to remove the steam. The working fluid recovery unit is connected to the water removal unit, and configured to recover the vapor phase of the working fluid and exhaust the non-condensable gas. The condenser is connected to the working fluid recovery unit, and configured to condense the vapor phase of the working fluid into a liquid phase of the working fluid. The working fluid collection tank is connected to the condenser, and configured to store the liquid phase of the working fluid.Type: ApplicationFiled: June 14, 2023Publication date: March 7, 2024Inventors: Wei-Chih LIN, Ren-Chun CHANG
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Publication number: 20240074119Abstract: An immersion cooling system includes a pressure seal tank, an electronic apparatus, a pressure balance pipe and a relief valve. The pressure seal tank is configured to store coolant. A vapor space is formed in the pressure seal tank above the liquid level of the coolant. The electronic apparatus is completely immersed in the coolant. The pressure balance pipe has a gas collection length. The first port of the pressure balance pipe is disposed on the top surface of the pressure seal tank. The relief valve is disposed on the second port of the pressure balance pipe. The second port is farther away from the top surface of the pressure seal tank than the first port. The gas collection length of the pressure equalization tube allows the concentration of vaporized coolant at the first port to be greater than the concentration of vaporized coolant at the second port.Type: ApplicationFiled: May 9, 2023Publication date: February 29, 2024Inventors: Ren-Chun CHANG, Wei-Chih LIN, Sheng-Chi WU, Wen-Yin TSAI, Li-Hsiu CHEN
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Patent number: 11870438Abstract: Integrated circuits described herein implement multiplexer (MUX) gate system. An integrated circuit includes a plurality of inputs coupled with a first stage of the integrated circuit. The first stage includes a plurality of first Schottky diodes and a plurality of N-type transistors. Each input is coupled with a respective first Schottky diode and N-type transistor. The integrated circuit also includes a plurality of outputs of the first stage coupled with a second stage of the integrated circuit. The second stage includes a plurality of second Schottky diodes and a plurality of P-type transistors. Each output coupled with a respective second Schottky diode and P-type transistor. The integrated circuit further includes a plurality of outputs of the second stage coupled with a set of transistors including a P-type transistor and an N-type transistor, and an output of the set of transistors coupled with an output of the MUX gate system.Type: GrantFiled: May 24, 2022Date of Patent: January 9, 2024Assignee: SCHOTTKY LSI, INC.Inventors: Augustine Wei-Chun Chang, Pierre Dermy
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Publication number: 20230352475Abstract: A low cost IC solution is disclosed to provide Super CMOS microelectronics macros. Hereinafter, the Super CMOS or Schottky CMOS all refer to SCMOS. The SCMOS device solutions with a niche circuit element, the complementary low threshold Schottky barrier diode pairs (SBD) made by selected metal barrier contacts (Co/Ti) to P— and N—Si beds of the CMOS transistors. A DTL like new circuit topology and designed wide contents of broad product libraries, which used the integrated SBD and transistors (BJT, CMOS, and Flash versions) as basic components. The macros include diodes that are selectively attached to the diffusion bed of the transistors, configuring them to form generic logic gates, memory cores, and analog functional blocks from simple to the complicated, from discrete components to all grades of VLSI chips. Solar photon voltaic electricity conversion and bio-lab-on-a-chip are two newly extended fields of the SCMOS IC applications.Type: ApplicationFiled: April 19, 2023Publication date: November 2, 2023Inventor: Augustine Wei-Chun Chang
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Patent number: 11658178Abstract: A low cost IC solution is disclosed to provide Super CMOS microelectronics macros. Hereinafter, the Super CMOS or Schottky CMOS all refer to SCMOS. The SCMOS device solutions with a niche circuit element, the complementary low threshold Schottky barrier diode pairs (SBD) made by selected metal barrier contacts (Co/Ti) to P— and N—Si beds of the CMOS transistors. A DTL like new circuit topology and designed wide contents of broad product libraries, which used the integrated SBD and transistors (BJT, CMOS, and Flash versions) as basic components. The macros include diodes that are selectively attached to the diffusion bed of the transistors, configuring them to form generic logic gates, memory cores, and analog functional blocks from simple to the complicated, from discrete components to all grades of VLSI chips. Solar photon voltaic electricity conversion and bio-lab-on-a-chip are two newly extended fields of the SCMOS IC applications.Type: GrantFiled: April 27, 2021Date of Patent: May 23, 2023Assignee: SCHOTTKY LSI, INC.Inventor: Augustine Wei-Chun Chang
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Publication number: 20230145327Abstract: A semiconductor device includes a resistor disposed on a second etching stop layer in the resistor forming region. A fourth interlayer dielectric layer covers the resistor and the second etch stop layer. A first via is located in the fourth interlayer dielectric layer and is electrically connected to a terminal of the resistor. By forming the resistor in BEOL process, the problem of the contact stop depth difference that affects the process window and causes the reduced yield can be improved.Type: ApplicationFiled: December 20, 2021Publication date: May 11, 2023Applicant: United Semiconductor (Xiamen) Co., Ltd.Inventors: Wei-Chun Chang, You-Di Jhang, Chin-Chun Huang, WEN YI TAN
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Publication number: 20220286134Abstract: Integrated circuits described herein implement multiplexer (MUX) gate system. An integrated circuit includes a plurality of inputs coupled with a first stage of the integrated circuit. The first stage includes a plurality of first Schottky diodes and a plurality of N-type transistors. Each input is coupled with a respective first Schottky diode and N-type transistor. The integrated circuit also includes a plurality of outputs of the first stage coupled with a second stage of the integrated circuit. The second stage includes a plurality of second Schottky diodes and a plurality of P-type transistors. Each output coupled with a respective second Schottky diode and P-type transistor. The integrated circuit further includes a plurality of outputs of the second stage coupled with a set of transistors including a P-type transistor and an N-type transistor, and an output of the set of transistors coupled with an output of the MUX gate system.Type: ApplicationFiled: May 24, 2022Publication date: September 8, 2022Inventors: Augustine Wei-Chun Chang, Pierre Dermy
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Publication number: 20220188074Abstract: An artificial intelligence (AI) calculation circuit is provided. The AI calculation circuit can support various integer and floating-point calculations through the adjustment of circuit configuration. Integer multiplication and floating-point mantissa multiplication share the multiplication unit, integer comparison and floating-point comparison share the same comparison unit, integer addition and floating-point addition share the same addition unit.Type: ApplicationFiled: December 6, 2021Publication date: June 16, 2022Inventors: Chia-Lin LU, Yuan-Hsiang KUO, Wei-Chun CHANG, Tsung-Hsien LIN, Chin-Chung YEN
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Publication number: 20220188673Abstract: A mixed-precision artificial intelligence (AI) processor and an operating method thereof are provided. The AI processor includes a first calculation module, a second calculation module and a control module. The first calculation module is configured to perform calculation based on the data with a first format. The second calculation module is configured to perform calculation based on the data with a second format different from the first format. The control module is coupled to the first calculation module and the second calculation module to select one of the first calculation module or the second calculation module to perform calculation based on an input data according to a calculation strategy.Type: ApplicationFiled: December 14, 2021Publication date: June 16, 2022Inventors: Chia-Lin LU, Yuan-Hsiang KUO, Wei-Chun CHANG, Jen-Shi WU, Chieh-Wen SHIH
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Patent number: 11342916Abstract: Integrated circuits described herein implement an x-input logic gate. The integrated circuit includes a plurality of Schottky diodes that includes x Schottky diodes and a plurality of source-follower transistors that includes x source-follower transistors. Each respective source-follower transistor of the plurality of source-follower transistors includes a respective gate node that is coupled to a respective Schottky diode. A first source-follower transistor of the plurality of source-follower transistors is connected serially to a second source-follower transistor of the plurality of source-follower transistors.Type: GrantFiled: May 26, 2020Date of Patent: May 24, 2022Assignee: SCHOTTKY LSI, INC.Inventors: Augustine Wei-Chun Chang, Pierre Dermy
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Publication number: 20220148770Abstract: The invention provides a method for adjusting the resistance value of a thin film resistor layer in a semiconductor structure, which comprises forming the thin film resistor layer, the material of the thin film resistor layer comprises titanium nitride, and the thin film resistor layer has an original resistance value, a mask layer with tensile force is formed above the thin film resistor layer, and the mask layer with tensile force changes a lattice size of the thin film resistor layer, so that the lattice size of the thin film resistor layer becomes larger and the original resistance value of the thin film resistor layer is reduced.Type: ApplicationFiled: December 9, 2020Publication date: May 12, 2022Inventors: Wei-Chun Chang, Yunfei Fu, You-Di Jhang, Chin-Chun Huang, WEN YI TAN
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Publication number: 20220137826Abstract: A hardware accelerator is provided. The hardware accelerator includes a first memory; a source address generation unit coupled to the first memory; a data collection unit coupled to the first memory; a first data queue coupled to the data collection unit; a data dispersion unit coupled to the first data queue; a destination address generation unit coupled to the data dispersion unit; an address queue coupled to the destination address generation unit; a second data queue coupled to the data dispersion unit; and a second memory coupled to the second data queue. The hardware accelerator can perform anyone or any combination of tensor stride, tensor reshape and tensor transpose to achieve tensorflow depth-to-space permutation or tensorflow space-to-depth permutation.Type: ApplicationFiled: October 21, 2021Publication date: May 5, 2022Inventors: Wei-Chun CHANG, Yuan-Hsiang KUO, Chia-Lin LU, Hsueh-Chien LU
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Publication number: 20220137923Abstract: A computing device for floating-point mathematic operation using look-up table is provided. The computing device includes: a bit arrangement unit used for receiving a floating-point input data and performing a bit arrangement or a format conversion on the floating-point input data to generate multiple index blocks; a first look-up table unit group used for receiving the index blocks and performing look-up operation using the index blocks as index to generate a plurality of look-up table results; and an operation unit used for performing operation on the look-up table results of the first look-up table unit group to generate an operation output.Type: ApplicationFiled: October 21, 2021Publication date: May 5, 2022Inventors: Yuan-Hsiang KUO, Chia-Lin LU, Wei-Chun CHANG, Hao-Cing JHOU, Jen-Shi WU, Tsung-Hsien LIN