Patents by Inventor Pei Wei

Pei Wei 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).

  • Patent number: 11562972
    Abstract: A chip package structure includes at least one chip, at least one thermally conductive element, a molding compound, and a redistribution layer. The respective chip has an active surface and a back surface opposite to each other and a plurality of electrodes disposed on the active surface. The thermally conductive element is disposed on the back surface of the respective chip. The molding compound encapsulates the chip and the thermally conductive element and has an upper surface and a lower surface opposite to each other. A bottom surface of each of the electrodes of the respective chip is aligned with the lower surface of the molding compound. The molding compound exposes a top surface of the respective thermally conductive element. The redistribution layer is disposed on the lower surface of the molding compound and electrically connected to the electrodes of the respective chip.
    Type: Grant
    Filed: September 1, 2021
    Date of Patent: January 24, 2023
    Assignee: Unimicron Technology Corp.
    Inventors: John Hon-Shing Lau, Yu-Chi Shen, Tzyy-Jang Tseng, Chen-Hua Cheng, Pei-Wei Wang
  • Patent number: 11545412
    Abstract: A package structure including a circuit board and a heat generating element is provided. The circuit board includes a plurality of circuit layers and a composite material layer. A thermal conductivity of the composite material layer is between 450 W/mK and 700 W/mK. The heat generating element is disposed on the circuit board and electrically connected to the circuit layers. Heat generated by the heat generating element is transmitted to an external environment through the composite material layer.
    Type: Grant
    Filed: November 19, 2020
    Date of Patent: January 3, 2023
    Assignee: Unimicron Technology Corp.
    Inventors: Pei-Wei Wang, Ching Sheng Chen, Ra-Min Tain, Ming-Hao Wu, Hsuan-Wei Chen
  • Publication number: 20220367525
    Abstract: A semiconductor device includes a substrate, a first semiconductor fin and a gate stack. The first semiconductor fin is over the substrate and includes a first germanium-containing layer and a second germanium-containing layer over the first germanium-containing layer. The first germanium-containing layer has a germanium atomic percentage higher than a germanium atomic percentage of the second germanium-containing layer. The gate stack is across the first semiconductor fin.
    Type: Application
    Filed: July 27, 2022
    Publication date: November 17, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tsung-Yu HUNG, Pei-Wei LEE, Pang-Yen TSAI
  • Publication number: 20220359662
    Abstract: A semiconductor device according to the present disclosure includes a substrate including a plurality of atomic steps that propagate along a first direction, and a transistor disposed on the substrate. The transistor includes a channel member extending a second direction perpendicular to the first direction, and a gate structure wrapping around the channel member.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Inventors: Pei-Wei Lee, Yasutoshi Okuno, Pang-Yen Tsai
  • Publication number: 20220336641
    Abstract: A semiconductor structure and a method of forming the same are provided. In an embodiment, a semiconductor structure includes a source feature and a drain feature, a channel structure disposed between the source feature and the drain feature, a semiconductor layer disposed over the channel structure and the drain feature, a dielectric layer disposed over the semiconductor layer, a backside source contact over the source feature and extending through the semiconductor layer and the dielectric layer, and a backside power rail disposed over the dielectric layer and in contact with the backside source contact.
    Type: Application
    Filed: July 7, 2022
    Publication date: October 20, 2022
    Inventors: Pei-Wei Wang, Chih-Chuan Yang, Yu-Kuan Lin, Choh Fei Yeap
  • Patent number: 11430867
    Abstract: A semiconductor device according to the present disclosure includes a substrate including a plurality of atomic steps that propagate along a first direction, and a transistor disposed on the substrate. The transistor includes a channel member extending a second direction perpendicular to the first direction, and a gate structure wrapping around the channel member.
    Type: Grant
    Filed: July 30, 2020
    Date of Patent: August 30, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Pei-Wei Lee, Yasutoshi Okuno, Pang-Yen Tsai
  • Patent number: 11418159
    Abstract: The present invention provides a differential signal offset adjustment circuit, wherein first and second transistors are respectively coupled between a power supply line and a first current source, and between the power supply line and a second current source. First and second resistors are respectively coupled between the first transistor and a first variable current source, and between the second transistor and a second variable current source. Third and fourth transistors are respectively coupled between a third resistor and a third current source, and between a fourth resistor and a fourth current source, and have input terminals respectively coupled to the first and second resistors. Fifth and sixth transistors are respectively coupled between the power supply line and a fifth current source, and between the power supply line and a sixth current source, and have input terminals respectively coupled to the third and fourth transistors.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: August 16, 2022
    Assignee: GRACE CONNECTION MICROELECTRONICS LIMITED
    Inventors: Pei Wei Chen, Hsien-Ku Chen
  • Patent number: 11417684
    Abstract: A semiconductor device includes a substrate, a first semiconductor fin and a gate stack. The first semiconductor fin is over the substrate and includes a first germanium-containing layer and a second germanium-containing layer over the first germanium-containing layer. The first germanium-containing layer has a germanium atomic percentage higher than a germanium atomic percentage of the second germanium-containing layer. The gate stack is across the first semiconductor fin.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: August 16, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Tsung-Yu Hung, Pei-Wei Lee, Pang-Yen Tsai
  • Publication number: 20220240368
    Abstract: A co-axial structure includes a substrate, a first conductive structure, a second conductive structure, and an insulating layer. The substrate includes a first surface. The first conductive structure includes a first circuit deposited on the first surface and a first via penetrating the substrate. The second conductive structure includes a second circuit deposited on the first surface and a second via penetrating the substrate. The first via and the second via extend along a first direction. The first circuit and the second circuit extend along a second direction, and the second direction is perpendicular to the first direction. The insulating layer is located between the first via and the second via. The insulating layer includes a filler. The first conductive structure and the second conductive structure are electrically insulated. The first circuit and the second circuit are coplanar.
    Type: Application
    Filed: November 21, 2021
    Publication date: July 28, 2022
    Inventors: Pei-Wei WANG, Heng-Ming NIEN, Ching-Sheng CHEN, Yi-Pin LIN, Shih-Liang CHENG
  • Publication number: 20220230949
    Abstract: A circuit board includes a first external circuit layer, a first substrate, a second substrate, a third substrate, and a conductive through hole structure. The first substrate includes conductive pillars electrically connecting the first external circuit layer and the second substrate. The second substrate has an opening and includes a first dielectric layer. The opening penetrates the second substrate, and the first dielectric layer fills the opening. The third substrate includes an insulating layer, a second external circuit layer, and conductive holes. A conductive material layer of the conductive through hole structure covers an inner wall of a through hole and electrically connects the first and the second external circuit layers to define a signal path. The first external circuit layer, the conductive pillars, the second substrate, the conductive holes and the second external circuit layer are electrically connected to define a ground path surrounding the signal path.
    Type: Application
    Filed: October 12, 2021
    Publication date: July 21, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: Chih-Chiang Lu, Hsin-Ning Liu, Jun-Rui Huang, Pei-Wei Wang, Ching Sheng Chen, Shih-Lian Cheng
  • Publication number: 20220165847
    Abstract: The present disclosure relates to a semiconductor device includes first and second source/drain (S/D) regions doped with lead (Pb) at a first dopant concentration. The semiconductor device also includes a channel region between the first and second S/D regions, where the channel region is doped with Pb at a second dopant concentration that is lower than the first dopant concentration. The semiconductor device further includes first and second S/D contacts in contact with the first and second S/D regions, respectively. The semiconductor device also includes a gate electrode over the channel region.
    Type: Application
    Filed: February 14, 2022
    Publication date: May 26, 2022
    Applicant: Taiwan Semiconductor Manufacturing Co.,Ltd.
    Inventors: Miao-Syuan FAN, Pei-Wei LEE, Ching-Hua LEE, Jung-Wei LEE
  • Publication number: 20220148711
    Abstract: Systems with a contouring method are provided for contouring one or more targets that correspond to specific organs and/or tumors in a three-dimensional medical image of a patient using neural networks. The contouring system includes a storage unit, a processing unit, and a plurality of modules that are computer operable. The processing unit is used to obtain the image, and then to generate one or more contouring images using a contouring method. The contouring method includes enhancing image features and improving contouring accuracy using an image preprocessing module, and extracting a plurality of multi-scale image representations and expanding these representations to one or more contouring images using a neural network-based contouring module.
    Type: Application
    Filed: June 29, 2021
    Publication date: May 12, 2022
    Inventors: Kuei-Hong KUO, Yi-Ting PENG, Ching-Chung KAO, Ai-Ling HSU, Yu-Ren YANG, Pei-Wei SHUENG, Chun-You CHEN, Kuan-Chieh HUANG
  • Patent number: 11327098
    Abstract: During frequency detection, a constant current source outputs an output current to charge a variable capacitor for multi-period. In a calibration mode, according to a comparison result between a cross voltage of the variable capacitor and a reference voltage, a capacitance value of the variable capacitor is adjusted. In a monitor mode, according to a reference frequency and the cross voltage of the variable capacitor, a frequency under test of a circuit under test is detected.
    Type: Grant
    Filed: November 3, 2020
    Date of Patent: May 10, 2022
    Assignee: GRACE CONNECTION MICROELECTRONICS LIMITED
    Inventors: Pei Wei Chen, Fang-Ren Liao
  • Publication number: 20220102535
    Abstract: A semiconductor structure and a method of forming the same are provided. In an embodiment, a semiconductor structure includes a source feature and a drain feature, a channel structure disposed between the source feature and the drain feature, a semiconductor layer disposed over the channel structure and the drain feature, a dielectric layer disposed over the semiconductor layer, a backside source contact over the source feature and extending through the semiconductor layer and the dielectric layer, and a backside power rail disposed over the dielectric layer and in contact with the backside source contact.
    Type: Application
    Filed: September 29, 2020
    Publication date: March 31, 2022
    Inventors: Pei-Wei Wang, Chih-Chuan Yang, Yu-Kuan Lin, Choh Fei Yeap
  • Publication number: 20220095464
    Abstract: A circuit board includes a composite structure layer, at least one conductive structure, a thermally conductive substrate, and a thermal interface material layer. The composite structure layer has a cavity and includes a first structure layer, a second structure layer, and a connecting structure layer. The first structure layer includes at least one first conductive member, and the second structure layer includes at least one second conductive member. The cavity penetrates the first structure layer and the connecting structure layer to expose the second conductive member. The conductive structure at least penetrates the connecting structure layer and is electrically connected to the first conductive member and the second conductive member. The thermal interface material layer is disposed between the composite structure layer and the thermally conductive substrate, and the second structure layer is connected to the thermally conductive substrate through the thermal interface material layer.
    Type: Application
    Filed: April 6, 2021
    Publication date: March 24, 2022
    Applicant: Unimicron Technology Corp.
    Inventors: Pei-Wei Wang, Shao-Chien Lee, Ra-Min Tain, Chi-Chun Po, Po-Hsiang Wang, Pei-Chang Huang, Chin-Min Hu
  • Patent number: 11251268
    Abstract: The present disclosure relates to a semiconductor device includes first and second source/drain (S/D) regions doped with lead (Pb) at a first dopant concentration. The semiconductor device also includes a channel region between the first and second S/D regions, where the channel region is doped with Pb at a second dopant concentration that is lower than the first dopant concentration. The semiconductor device further includes first and second S/D contacts in contact with the first and second S/D regions, respectively. The semiconductor device also includes a gate electrode over the channel region.
    Type: Grant
    Filed: July 23, 2020
    Date of Patent: February 15, 2022
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Miao-Syuan Fan, Pei-Wei Lee, Ching-Hua Lee, Jung-Wei Lee
  • Patent number: 11232953
    Abstract: A semiconductor device includes a gate structure disposed over a channel region, a source/drain epitaxial layer disposed at a source/drain region, a nitrogen containing layer disposed on the source/drain epitaxial layer, a silicide layer disposed on the nitrogen containing layer, and a conductive contact disposed on the silicide layer.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: January 25, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Miao-Syuan Fan, Ching-Hua Lee, Ming-Te Chen, Jung-Wei Lee, Pei-Wei Lee
  • Publication number: 20210398925
    Abstract: A chip package structure includes at least one chip, at least one thermally conductive element, a molding compound, and a redistribution layer. The respective chip has an active surface and a back surface opposite to each other and a plurality of electrodes disposed on the active surface. The thermally conductive element is disposed on the back surface of the respective chip. The molding compound encapsulates the chip and the thermally conductive element and has an upper surface and a lower surface opposite to each other. A bottom surface of each of the electrodes of the respective chip is aligned with the lower surface of the molding compound. The molding compound exposes a top surface of the respective thermally conductive element. The redistribution layer is disposed on the lower surface of the molding compound and electrically connected to the electrodes of the respective chip.
    Type: Application
    Filed: September 1, 2021
    Publication date: December 23, 2021
    Applicant: Unimicron Technology Corp.
    Inventors: John Hon-Shing Lau, Yu-Chi Shen, Tzyy-Jang Tseng, Chen-Hua Cheng, Pei-Wei Wang
  • Patent number: 11177812
    Abstract: When digital input data disappear temporarily, within a counting period of the counter and pulse generator, an output voltage of the voltage generator rises, a threshold detector compares the output voltage of the voltage generator with a plurality of threshold values to generate a plurality of comparison results, and a logic gate unit generates a control signal according to the comparison results, to a charge pump, so that the charge pump controls the voltage-controlled oscillator to accelerate or decelerate.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: November 16, 2021
    Assignee: GRACE CONNECTION MICROELECTRONICS LIMITED
    Inventors: Pei Wei Chen, Fang-Ren Liao, Po Huang Huang
  • Publication number: 20210328592
    Abstract: When digital input data disappear temporarily, within a counting period of the counter and pulse generator, an output voltage of the voltage generator rises, a threshold detector compares the output voltage of the voltage generator with a plurality of threshold values to generate a plurality of comparison results, and a logic gate unit generates a control signal according to the comparison results, to a charge pump, so that the charge pump controls the voltage-controlled oscillator to accelerate or decelerate.
    Type: Application
    Filed: November 24, 2020
    Publication date: October 21, 2021
    Applicant: Grace Connection Microelectronics Limited
    Inventors: Pei Wei CHEN, Fang-Ren Liao, Po Huang Huang