Patents by Inventor Feng-Ju Chang

Feng-Ju 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).

  • Patent number: 11915690
    Abstract: A multi-channel transformer acoustic model that processes a plurality of audio signals output by microphones of a microphone array and outputs probabilities for acoustic units of an utterance represented in the audio signals. The audio signals represent the individual microphones' respective capturing of the utterance. The multi-channel model may perform self-attention on embeddings of the audio signals and then cross-channel attention across the attended audio signals. The cross-channel attention may involve processing of signals relative to each other to model the relationships across channels within and across time frames. The multi-channel model may include a transducer to perform processing frame-by-frame.
    Type: Grant
    Filed: September 29, 2021
    Date of Patent: February 27, 2024
    Assignee: Amazon Technologies, Inc.
    Inventors: Feng-Ju Chang, Martin Radfar, Athanasios Mouchtaris, Brian King, Siegfried Kunzmann, Maurizio Omologo
  • Publication number: 20230411224
    Abstract: A system configured to detect defects on a wafer is provided. The system includes an inspection subsystem configured to acquire scan data of a target region on the wafer. The target region comprises a plurality of circuit layout streaming data on the wafer and the defects in proximity to the circuit layout streaming data or in the circuit layout streaming data. A graphic design subsystem (GDS) is configured to store a map of circuit layout streaming data of the wafer. A software tool for designing electronic systems is configured to label the scan data with attributes from the map of circuit layout streaming data. A decision subsystem is configured to qualify the process based on a predetermined defect level from the labeled scan data by using a multi-dimension clustering method, wherein the predetermined defect level is an accumulated defect formed on the semiconductor wafer during processing.
    Type: Application
    Filed: June 16, 2022
    Publication date: December 21, 2023
    Inventors: SHIH-CHANG WANG, HSIU-HUI HUANG, FENG-JU CHANG, YEN-FONG CHAN, CHIEN-HUEI CHEN, XIAOMENG CHEN
  • Patent number: 11048161
    Abstract: Optical proximity correction (OPC) based computational lithography techniques are disclosed herein for enhancing lithography printability. An exemplary mask optimization method includes receiving an integrated circuit (IC) design layout having an IC pattern; generating target points for a contour corresponding with the IC pattern based on a target placement model, wherein the target placement model is selected based on a classification of the IC pattern; and performing an OPC on the IC pattern using the target points, thereby generating a modified IC design layout. The method can further include fabricating a mask based on the modified IC design layout. The OPC can select an OPC model based on the classification of the IC pattern. The OPC model can weight the target placement model.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: June 29, 2021
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hung-Chun Wang, Chi-Ping Liu, Feng-Ju Chang, Ching-Hsu Chang, Wen Hao Liu, Chia-Feng Yeh, Ming-Hui Chih, Cheng Kun Tsai, Wei-Chen Chien, Wen-Chun Huang, Yu-Po Tang
  • Patent number: 10991145
    Abstract: A system is provided for pose-variant 3D facial attribute generation. A first stage has a hardware processor based 3D regression network for directly generating a space position map for a 3D shape and a camera perspective matrix from a single input image of a face and further having a rendering layer for rendering a partial texture map of the single input image based on the space position map and the camera perspective matrix. A second stage has a hardware processor based two-part stacked Generative Adversarial Network (GAN) including a Texture Completion GAN (TC-GAN) stacked with a 3D Attribute generation GAN (3DA-GAN). The TC-GAN completes the partial texture map to form a complete texture map based on the partial texture map and the space position map. The 3DA-GAN generates a target facial attribute for the single input image based on the complete texture map and the space position map.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: April 27, 2021
    Inventors: Xiang Yu, Feng-Ju Chang, Manmohan Chandraker
  • Patent number: 10747938
    Abstract: An integrated circuit (IC) manufacturing method includes receiving an IC design layout having IC regions separate from each other. Each of the IC regions includes an initial IC pattern that is substantially identical among the IC regions. The method further includes identifying a group of IC regions from the IC regions. All IC regions in the group have a substantially same location effect, which is introduced by global locations of the IC regions on the IC design layout. The method further includes performing a correction process to a first IC region in the group, modifying the initial IC pattern in the first IC region into a first corrected IC pattern. The correction process includes using a computer program to correct location effect. The method further includes replacing the initial IC pattern in a second IC region in the group with the first corrected IC pattern.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: August 18, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hung-Chun Wang, Ching-Hsu Chang, Chun-Hung Wu, Cheng Kun Tsai, Feng-Ju Chang, Feng-Lung Lin, Ming-Hsuan Wu, Ping-Chieh Wu, Ru-Gun Liu, Wen-Chun Huang, Wen-Hao Liu
  • Publication number: 20200151940
    Abstract: A system is provided for pose-variant 3D facial attribute generation. A first stage has a hardware processor based 3D regression network for directly generating a space position map for a 3D shape and a camera perspective matrix from a single input image of a face and further having a rendering layer for rendering a partial texture map of the single input image based on the space position map and the camera perspective matrix. A second stage has a hardware processor based two-part stacked Generative Adversarial Network (GAN) including a Texture Completion GAN (TC-GAN) stacked with a 3D Attribute generation GAN (3DA-GAN). The TC-GAN completes the partial texture map to form a complete texture map based on the partial texture map and the space position map. The 3DA-GAN generates a target facial attribute for the single input image based on the complete texture map and the space position map.
    Type: Application
    Filed: November 4, 2019
    Publication date: May 14, 2020
    Inventors: Xiang Yu, Feng-Ju Chang, Manmohan Chandraker
  • Publication number: 20200142294
    Abstract: Optical proximity correction (OPC) based computational lithography techniques are disclosed herein for enhancing lithography printability. An exemplary mask optimization method includes receiving an integrated circuit (IC) design layout having an IC pattern; generating target points for a contour corresponding with the IC pattern based on a target placement model, wherein the target placement model is selected based on a classification of the IC pattern; and performing an OPC on the IC pattern using the target points, thereby generating a modified IC design layout. The method can further include fabricating a mask based on the modified IC design layout. The OPC can select an OPC model based on the classification of the IC pattern. The OPC model can weight the target placement model.
    Type: Application
    Filed: December 27, 2019
    Publication date: May 7, 2020
    Inventors: Hung-Chun Wang, Chi-Ping Liu, Feng-Ju Chang, Ching-Hsu Chang, Wen Hao Liu, Chia-Feng Yeh, Ming-Hui Chih, Cheng Kun Tsai, Wei-Chen Chien, Wen-Chun Huang, Yu-Po Tang
  • Patent number: 10527928
    Abstract: Optical proximity correction (OPC) based computational lithography techniques are disclosed herein for enhancing lithography printability. An exemplary mask optimization method includes receiving an integrated circuit (IC) design layout having an IC pattern; generating target points for a contour corresponding with the IC pattern based on a target placement model, wherein the target placement model is selected based on a classification of the IC pattern; and performing an OPC on the IC pattern using the target points, thereby generating a modified IC design layout. The method can further include fabricating a mask based on the modified IC design layout. The OPC can select an OPC model based on the classification of the IC pattern. The OPC model can weight the target placement model.
    Type: Grant
    Filed: July 19, 2017
    Date of Patent: January 7, 2020
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Hung-Chun Wang, Chi-Ping Liu, Feng-Ju Chang, Ching-Hsu Chang, Wen Hao Liu, Chia-Feng Yeh, Ming-Hui Chih, Cheng Kun Tsai, Wei-Chen Chien, Wen-Chun Huang, Yu-Po Tang
  • Publication number: 20190340330
    Abstract: An integrated circuit (IC) manufacturing method includes receiving an IC design layout having IC regions separate from each other. Each of the IC regions includes an initial IC pattern that is substantially identical among the IC regions. The method further includes identifying a group of IC regions from the IC regions. All IC regions in the group have a substantially same location effect, which is introduced by global locations of the IC regions on the IC design layout. The method further includes performing a correction process to a first IC region in the group, modifying the initial IC pattern in the first IC region into a first corrected IC pattern. The correction process includes using a computer program to correct location effect. The method further includes replacing the initial IC pattern in a second IC region in the group with the first corrected IC pattern.
    Type: Application
    Filed: July 19, 2019
    Publication date: November 7, 2019
    Inventors: Hung-Chun Wang, Ching-Hsu Chang, Chun-Hung Wu, Cheng Kun Tsai, Feng-Ju Chang, Feng-Lung Lin, Ming-Hsuan WU, Ping-Chieh Wu, Ru-Gun Liu, Wen-Chun Huang, Wen-Hao Liu
  • Patent number: 10360339
    Abstract: Provided is an integrated circuit (IC) manufacturing method. The method includes receiving an IC design layout, wherein the IC design layout includes multiple IC regions and each of the IC regions includes an initial IC pattern. The method further includes performing a correction process to a first IC region, thereby modifying the initial IC pattern in the first IC region to result in a first corrected IC pattern in the first IC region, wherein the correction process includes location effect correction. The method further includes replacing the initial IC pattern in a second IC region with the first corrected IC pattern.
    Type: Grant
    Filed: February 15, 2016
    Date of Patent: July 23, 2019
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hung-Chun Wang, Ching-Hsu Chang, Chun-Hung Wu, Cheng Kun Tsai, Feng-Ju Chang, Feng-Lung Lin, Ming-Hsuan Wu, Ping-Chieh Wu, Ru-Gun Liu, Wen-Chun Huang, Wen-Hao Liu
  • Publication number: 20180173090
    Abstract: Optical proximity correction (OPC) based computational lithography techniques are disclosed herein for enhancing lithography printability. An exemplary mask optimization method includes receiving an integrated circuit (IC) design layout having an IC pattern; generating target points for a contour corresponding with the IC pattern based on a target placement model, wherein the target placement model is selected based on a classification of the IC pattern; and performing an OPC on the IC pattern using the target points, thereby generating a modified IC design layout. The method can further include fabricating a mask based on the modified IC design layout. The OPC can select an OPC model based on the classification of the IC pattern. The OPC model can weight the target placement model.
    Type: Application
    Filed: July 19, 2017
    Publication date: June 21, 2018
    Inventors: Hung-Chun Wang, Chi-Ping Liu, Feng-Ju Chang, Ching-Hsu Chang, Wen Hao Liu, Chia-Feng Yeh, Ming-Hui Chih, Cheng Kun Tsai, Wei-Chen Chien, Wen-Chun Huang, Yu-Po Tang
  • Patent number: 9390217
    Abstract: A method for performing optical proximity correction (OPC) and evaluating OPC solutions is disclosed. An exemplary method includes receiving a design database corresponding to an IC circuit mask. A first OPC modification to a mask feature of the design database is made by performing a first OPC process. The OPC process includes: dividing the mask feature into child shapes and adjusting an attribute of a child shape based on an edge placement error (EPE) factor. A first lithography simulation is performed utilizing a first set of performance indexes after making the first OPC modification, and a second OPC modification to the mask feature is made based on a result of the first lithography simulation. A second lithography simulation of the mask feature is performed utilizing a second set of performance indexes to verify the first and second OPC modifications, and the design database is provided for manufacturing.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: July 12, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chun Wang, Ming-Hui Chih, Yu-Po Tang, Chia-Ping Chiang, Feng-Ju Chang, Cheng Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Publication number: 20160162627
    Abstract: Provided is an integrated circuit (IC) manufacturing method. The method includes receiving an IC design layout, wherein the IC design layout includes multiple IC regions and each of the IC regions includes an initial IC pattern. The method further includes performing a correction process to a first IC region, thereby modifying the initial IC pattern in the first IC region to result in a first corrected IC pattern in the first IC region, wherein the correction process includes location effect correction. The method further includes replacing the initial IC pattern in a second IC region with the first corrected IC pattern.
    Type: Application
    Filed: February 15, 2016
    Publication date: June 9, 2016
    Inventors: Hung-Chun Wang, Ching-Hsu Chang, Chun-Hung Wu, Cheng Kun Tsai, Feng-Ju Chang, Feng-Lung Lin, Ming-Hsuan WU, Ping-Chieh Wu, Ru-Gun Liu, Wen-Chun Huang, Wen-Hao Liu
  • Patent number: 9262578
    Abstract: Provided is an integrated circuit (IC) manufacturing method. The method includes receiving a design layout of an IC, wherein the design layout includes a plurality of non-overlapping IC regions and each of the IC regions includes a same initial IC pattern. The method further includes dividing the IC regions into a plurality of groups based on a location effect analysis such that all IC regions in a respective one of the groups are to have substantially same location effect. The method further includes performing a correction to one IC region in each of the groups using a correction model that includes location effect; and copying the corrected IC region to other IC regions in the respective group. The method further includes storing the corrected IC design layout in a tangible computer-readable medium for use by a further IC process stage.
    Type: Grant
    Filed: June 2, 2014
    Date of Patent: February 16, 2016
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chun Wang, Ching-Hsu Chang, Feng-Ju Chang, Chun-Hung Wu, Ping-Chieh Wu, Wen-Hao Liu, Ming-Hsuan Wu, Feng-Lung Lin, Cheng Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Publication number: 20150310158
    Abstract: Provided is an integrated circuit (IC) manufacturing method. The method includes receiving a design layout of an IC, wherein the design layout includes a plurality of non-overlapping IC regions and each of the IC regions includes a same initial IC pattern. The method further includes dividing the IC regions into a plurality of groups based on a location effect analysis such that all IC regions in a respective one of the groups are to have substantially same location effect. The method further includes performing a correction to one IC region in each of the groups using a correction model that includes location effect; and copying the corrected IC region to other IC regions in the respective group. The method further includes storing the corrected IC design layout in a tangible computer-readable medium for use by a further IC process stage.
    Type: Application
    Filed: June 2, 2014
    Publication date: October 29, 2015
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chun Wang, Ching-Hsu Chang, Feng-Ju Chang, Chun-Hung Wu, Ping-Chieh Wu, Wen-Hao Liu, Ming-Hsuan Wu, Feng-Lung Lin, Cheng Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Patent number: 9026955
    Abstract: The present disclosure relates to a method of integrated chip (IC) design pattern correction that reduces pattern correction cycle time by separately correcting main feature shapes and dummy shapes of the IC design, and an associated apparatus. In some embodiments, the method is performed by forming an IC design having a plurality of main feature shapes. A plurality of dummy shapes are added to the IC design to improve a process window of the IC design. The plurality of main feature shapes are corrected using a first pattern correction process. One or more of the plurality of dummy shapes are subsequently corrected using a second pattern correction process separate from the first pattern correction process. By separately correcting dummy shapes and main feature shapes, the dummy shapes can be subjected to a different pattern correction process having lower time/resource demands, thereby reducing the pattern correction cycle time.
    Type: Grant
    Filed: October 11, 2013
    Date of Patent: May 5, 2015
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Hung-Chun Wang, Ming-Hui Chih, Ping-Chieh Wu, Chun-Hung Wu, Feng-Ju Chang, Cheng-Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Publication number: 20150106773
    Abstract: The present disclosure relates to a method of integrated chip (IC) design pattern correction that reduces pattern correction cycle time by separately correcting main feature shapes and dummy shapes of the IC design, and an associated apparatus. In some embodiments, the method is performed by forming an IC design having a plurality of main feature shapes. A plurality of dummy shapes are added to the IC design to improve a process window of the IC design. The plurality of main feature shapes are corrected using a first pattern correction process. One or more of the plurality of dummy shapes are subsequently corrected using a second pattern correction process separate from the first pattern correction process. By separately correcting dummy shapes and main feature shapes, the dummy shapes can be subjected to a different pattern correction process having lower time/resource demands, thereby reducing the pattern correction cycle time.
    Type: Application
    Filed: October 11, 2013
    Publication date: April 16, 2015
    Inventors: Hung-Chun Wang, Ming-Hui Chih, Ping-Chieh Wu, Chun-Hung Wu, Feng-Ju Chang, Cheng-Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Publication number: 20140109026
    Abstract: A method for performing optical proximity correction (OPC) and evaluating OPC solutions is disclosed. An exemplary method includes receiving a design database corresponding to an IC circuit mask. A first OPC modification to a mask feature of the design database is made by performing a first OPC process. The OPC process includes: dividing the mask feature into child shapes and adjusting an attribute of a child shape based on an edge placement error (EPE) factor. A first lithography simulation is performed utilizing a first set of performance indexes after making the first OPC modification, and a second OPC modification to the mask feature is made based on a result of the first lithography simulation. A second lithography simulation of the mask feature is performed utilizing a second set of performance indexes to verify the first and second OPC modifications, and the design database is provided for manufacturing.
    Type: Application
    Filed: December 30, 2013
    Publication date: April 17, 2014
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chun Wang, Ming-Hui Chih, Yu-Po Tang, Chia-Ping Chiang, Feng-Ju Chang, Cheng Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Patent number: 8631360
    Abstract: A method for performing OPC and evaluating OPC solutions is disclosed. An exemplary method includes receiving a design database corresponding to an IC circuit mask. A first lithography simulation and evaluation is performed on the design database utilizing a first set of performance indexes. A modification is made to the design database based on a result of performing the first lithography simulation and evaluation. A second lithography simulation and evaluation is performed on the design database utilizing a second set of performance indexes to verify the modification. If necessary, the design database is modified again based on a result of the second lithography simulation and evaluation. The modified design database is provided to a mask manufacturer for manufacturing the mask corresponding to the modified design database.
    Type: Grant
    Filed: April 17, 2012
    Date of Patent: January 14, 2014
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Hung-Chun Wang, Ming-Hui Chih, Yu-Po Tang, Chia-Ping Chiang, Feng-Ju Chang, Cheng Kun Tsai, Wen-Chun Huang, Ru-Gun Liu
  • Publication number: 20130275926
    Abstract: A method for performing OPC and evaluating OPC solutions is disclosed. An exemplary method includes receiving a design database corresponding to an IC circuit mask. A first lithography simulation and evaluation is performed on the design database utilizing a first set of performance indexes. A modification is made to the design database based on a result of performing the first lithography simulation and evaluation. A second lithography simulation and evaluation is performed on the design database utilizing a second set of performance indexes to verify the modification. If necessary, the design database is modified again based on a result of the second lithography simulation and evaluation. The modified design database is provided to a mask manufacturer for manufacturing the mask corresponding to the modified design database.
    Type: Application
    Filed: April 17, 2012
    Publication date: October 17, 2013
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Hung-Chun Wang, Ming-Hui Chih, Yu-Po Tang, Chia-Ping Chiang, Feng-Ju Chang, Cheng Kun Tsai, Wen-Chun Huang, Ru-Gun Liu