Patents by Inventor Wen Liu

Wen Liu 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).

  • Publication number: 20190067144
    Abstract: An integrated fan-out package includes a first redistribution structure, a die, an encapsulant, a plurality of conductive structures, and a second redistribution structure. The first redistribution structure has a first surface and a second surface opposite to the first surface. The die is disposed over the first surface of the first redistribution structure and is electrically connected to the first redistribution structure. The encapsulant encapsulates the die. The conductive structures are disposed on the first surface of the first redistribution structure and penetrates the encapsulant. The conductive structures surround the die. The second redistribution structure is disposed on the encapsulant and is electrically connected to the first redistribution structure through the conductive structures. The second redistribution structure includes at least one conductive pattern layer that is in physical contact with the encapsulant.
    Type: Application
    Filed: March 29, 2018
    Publication date: February 28, 2019
    Applicant: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Shin-Puu Jeng, Hsien-Wen Liu, Shih-Ting Hung, Yi-Jou Lin, Tzu-Jui Fang, Po-Yao Chuang
  • Publication number: 20190066765
    Abstract: The present disclosure provides a DRAM including a first refresh unit, a second refresh unit, and a control device. The first refresh unit has a first quantity of valid data. The second refresh unit has a second quantity of valid data less than the first quantity of valid data. The control device is configured to determine that the first refresh unit has a greater quantity of valid data than the second refresh unit, move valid data of the second refresh unit into the first refresh unit, and cease refreshing the second refresh unit whose valid data was moved into the first refresh unit.
    Type: Application
    Filed: August 23, 2017
    Publication date: February 28, 2019
    Inventors: Chung-Hsun LEE, Hsien-Wen LIU
  • Publication number: 20190066760
    Abstract: The present disclosure provides a DRAM. The DRAM includes a memory array and a control device. The memory array has a plurality of word lines configured to control memory cells. The control device is configured to operate at least one word line of the word lines, derive an information on the operating of the at least word line, and cease maintaining data stored in the memory cells controlled by the at least one word line when the information satisfies a condition.
    Type: Application
    Filed: August 23, 2017
    Publication date: February 28, 2019
    Inventors: Chung-Hsun LEE, Hsien-Wen LIU
  • Publication number: 20190056874
    Abstract: Present disclosure relates to a system for preserving data in a volatile memory and a method thereof. The volatile memory comprises a plurality of word lines for storing data. The system comprises an accessing detector. The accessing detector is configured to detect a row-hammer indication indicating a first word line is frequently accessed, wherein the accessing detector is configured to copy data stored in the first word line to a second word line when the row-hammer indication is detected on the first word line, wherein the data stored in the first and the second word lines are available to be selectively accessed.
    Type: Application
    Filed: August 16, 2017
    Publication date: February 21, 2019
    Inventors: Chung-Hsun LEE, Hsien-Wen LIU
  • Publication number: 20190057906
    Abstract: A semiconductor arrangement and method of forming the same are described. A semiconductor arrangement includes a third metal connect in contact with a first metal connect in a first active region and a second metal connect in a second active region, and over a shallow trench isolation region located between the first active region and a second active region. A method of forming the semiconductor arrangement includes forming a first opening over the first metal connect, the STI region, and the second metal connect, and forming the third metal connect in the first opening. Forming the third metal connect over the first metal connect and the second metal connect mitigates RC coupling.
    Type: Application
    Filed: October 22, 2018
    Publication date: February 21, 2019
    Inventors: I-Wen WU, Hsien-Cheng WANG, Mei-Yun WANG, Shih-Wen LIU, Chao-Hsun WANG, Yun LEE
  • Patent number: 10205256
    Abstract: Provided are a plug and an electrical connector component. The plug includes an insulating body, a circuit board fixed to the insulating body, and a cable electrically connected with the circuit board and extending backwards from the insulating body. The insulating body includes a body part and a mating part which extends forwards from the body part; the circuit board has an inserting part that protrudes forwards out of the mating part; metal contact pieces are distributed on upper and lower surfaces of the inserting part; the insulating body is provided with a pair of baffle plates extending forwards from the body part; a pair of the baffle plates are respectively arranged on left and right sides of the mating part; and a limiting groove configured to guide the insertion of the plug with the socket is formed between each of the baffle plates and the mating part.
    Type: Grant
    Filed: March 16, 2018
    Date of Patent: February 12, 2019
    Assignees: Huawei Technologies Co., Ltd, Luxshare Precision Industry Co., Ltd
    Inventors: Xingde Wu, Jiangbo Li, Wen Liu, Long Jin, Tiesheng Li, Yue Wang, Jun Wu, Wanxing Wang
  • Publication number: 20190043762
    Abstract: A semiconductor device includes a n-type gate structure over a first semiconductor fin, in which the n-type gate structure includes a n-type work function metal layer overlying the first high-k dielectric layer. The n-type work function metal layer includes a TiAl (titanium aluminum) alloy, in which an atom ratio of Ti (titanium) to Al (aluminum) is in a range substantially from 1 to 3. The semiconductor device further includes a p-type gate structure over a second semiconductor fin, in which the p-type gate structure includes a p-type work function metal layer overlying the second high-k dielectric layer. The p-type work function metal layer includes titanium nitride (TiN), in which an atom ratio of Ti to N (nitrogen) is in a range substantially from 1:0.9 to 1:1.1.
    Type: Application
    Filed: October 1, 2018
    Publication date: February 7, 2019
    Inventors: Shiu-Ko JangJian, Chi-Cheng Hung, Chi-Wen Liu, Horng-Huei Tseng
  • Publication number: 20190034023
    Abstract: A method and a detection circuit for selecting a touch detection time are provided. The method for selecting a touch detection time includes the following steps: detecting a noise signal of a touch panel in a first display frame period; determining whether signal strength of the noise signal in a first time segment in the first display frame period is greater than a first noise threshold; and when the signal strength of the noise signal in the first time segment in the first display frame period is less than the first noise threshold, performing touch control in a second time segment in a second display frame period corresponding to the first time segment.
    Type: Application
    Filed: July 24, 2018
    Publication date: January 31, 2019
    Inventors: Szu-Che YEH, Chi-Cheng CHEN, Feng-Ming HSU, Gui-Wen LIU
  • Publication number: 20190027469
    Abstract: A method includes forming a dielectric layer over a radiation de-bondable coating. The radiation de-bondable coating is over a carrier, and the radiation de-bondable coating includes metal particles therein. Metal posts are formed over the dielectric layer. A device die is attached to the dielectric layer. The device die and the metal posts are encapsulated in an encapsulating material. A plurality of redistribution lines is formed on a first side of the encapsulating material, and is electrically coupled to the device die and the metal posts. The carrier is de-bonded by projecting a radiation source on the radiation de-bondable coating to decompose the radiation de-bondable coating. Electrical connections are formed on a second side of the encapsulating material. The electrical connections are electrically coupled to the metal posts.
    Type: Application
    Filed: September 24, 2018
    Publication date: January 24, 2019
    Inventors: Shin-Puu Jeng, Hsien-Wen Liu, Yi-Jou Lin
  • Publication number: 20190013273
    Abstract: A method includes forming a redistribution structure over a carrier, the redistribution structure having conductive features on a surface of the redistribution structure distal the carrier; forming a conductive pillar over the surface of the redistribution structure; attaching a die to the surface of the redistribution structure adjacent to the conductive pillar, where die connectors of the die are electrically coupled to the conductive features of the redistribution structure; and attaching a pre-made substrate to the conductive pillar through a conductive joint, where the conductive joint is on the conductive pillar and comprises a different material from the conductive pillar, where the conductive joint and the conductive pillar electrically couple the redistribution structure to the pre-made substrate.
    Type: Application
    Filed: February 28, 2018
    Publication date: January 10, 2019
    Inventors: Shin-Puu Jeng, Shuo-Mao Chen, Hsien-Wen Liu, Po-Yao Chuang, Feng-Cheng Hsu, Po-Yao Lin
  • Publication number: 20190006183
    Abstract: Gate stacks for improving integrated circuit device performance and methods for fabricating such gate stacks are disclosed herein. An exemplary method includes forming a gate stack over a substrate and at least partially removing the gate stack, thereby forming an opening. A multi-function layer is deposited in the opening and a work function layer is deposited over the multi-function layer. The multi-function layer includes nitrogen and one of titanium or tantalum. The work function layer includes nitrogen and one of titanium or tantalum. A concentration of the nitrogen of the work function layer is different than a concentration of the nitrogen of the multi-function layer. In some implementations, the concentration of the nitrogen of the work function layer from about 2% to about 5% and the concentration of the nitrogen of the multi-function layer from about 5% to about 15%.
    Type: Application
    Filed: July 23, 2018
    Publication date: January 3, 2019
    Inventors: SHIU-KO JANGJIAN, TING-CHUN WANG, CHI-CHERNG JENG, CHI-WEN LIU
  • Publication number: 20190006332
    Abstract: Structures and formation methods of a chip package are provided. The chip package includes a semiconductor die and a package layer partially or completely encapsulating the semiconductor die. The chip package also includes a conductive feature penetrating through the package layer. The chip package further includes an interfacial layer the interfacial layer continuously surrounds the conductive feature. The interfacial layer is between the conductive feature and the package layer, and the interfacial layer is made of a metal oxide material.
    Type: Application
    Filed: September 10, 2018
    Publication date: January 3, 2019
    Inventors: Jui-Pin Hung, Cheng-Lin Huang, Hsien-Wen Liu, Shin-Puu Jeng
  • Publication number: 20190006314
    Abstract: Package structures and methods for forming the same are provided. A package structure includes a semiconductor die. The semiconductor die includes a passivation layer over a semiconductor substrate. The semiconductor die also includes a conductive pad in the passivation layer. The passivation layer partially exposes a top surface of the conductive pad. The package structure also includes an encapsulation layer surrounding the semiconductor die. The package structure further includes a dielectric layer covering the semiconductor die and the encapsulation layer. In addition, the package structure includes a redistribution layer covering the dielectric layer. The redistribution layer extends in the dielectric layer to be physically connected to the top surface of the conductive pad.
    Type: Application
    Filed: November 1, 2017
    Publication date: January 3, 2019
    Inventors: Shin-Puu Jeng, Hsien-Wen Liu, Po-Yao Chuang, Tzu-Jui Fang, Yi-Jou Lin
  • Patent number: 10170365
    Abstract: A method includes forming a gate stack on a middle portion of s semiconductor fin, and forming a first gate spacer on a sidewall of the gate stack. After the first gate spacer is formed, a template dielectric region is formed to cover the semiconductor fin. The method further includes recessing the template dielectric region. After the recessing, a second gate spacer is formed on the sidewall of the gate stack. The end portion of the semiconductor fin is etched to form a recess in the template dielectric region. A source/drain region is epitaxially grown in the recess.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: January 1, 2019
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Kuo-Cheng Ching, Chi-Wen Liu, Ying-Keung Leung
  • Publication number: 20180368741
    Abstract: A hearing diagnosis device and a hearing diagnosis method are provided. The device includes a storage unit, an otoacoustic emission detecting module, and a hearing diagnosis management module. The storage unit stores a hearing diagnosis image sample database and a hearing information sample database. The otoacoustic emission detecting module is configured to perform an otoacoustic emission detecting operation by playing a test audio to an ear of a user to obtain a first hearing diagnosis image corresponding to the ear. The hearing diagnosis management module is configured to perform a hearing diagnosis operation according to the first hearing diagnosis image, a plurality of hearing diagnosis image samples of the hearing diagnosis image sample database, and a plurality of hearing information samples, respectively corresponding to the hearing diagnosis image samples, of the hearing information sample database, so as to determine first hearing information of the ear.
    Type: Application
    Filed: September 27, 2017
    Publication date: December 27, 2018
    Applicant: National Tsing Hua University
    Inventors: Hau-Tieng Wu, Pa-Chun Wang, Yi-Wen Liu
  • Publication number: 20180374801
    Abstract: A semiconductor device structure and method for forming the same are provided. The semiconductor device structure includes a substrate and a conductive pad formed on the substrate. The semiconductor device structure includes a protection layer formed over the conductive pad and a post-passivation interconnect (PPI) structure formed at least in the protection layer. The PPI structure is electrically connected to the conductive pad. The semiconductor device structure also includes a first moisture-resistant layer formed over the protection layer, and the protection layer and the first moisture-resistant layer are made of different materials. The semiconductor device structure further includes an under bump metallurgy (UBM) layer formed over the first moisture-resistant layer and connected to the PPI structure.
    Type: Application
    Filed: August 14, 2018
    Publication date: December 27, 2018
    Inventors: Shin-Puu Jeng, Hsien-Wen Liu
  • Patent number: 10164022
    Abstract: A device includes a substrate, insulation regions extending into the substrate, a first semiconductor region between the insulation regions and having a first valence band, and a second semiconductor region over and adjoining the first semiconductor region. The second semiconductor region has a compressive strain and a second valence band higher than the first valence band. The second semiconductor region includes an upper portion higher than top surfaces of the insulation regions to form a semiconductor fin, and a lower portion lower than the top surfaces of the insulation regions. The upper portion and the lower portion are intrinsic. A semiconductor cap adjoins a top surface and sidewalls of the semiconductor fin. The semiconductor cap has a third valence band lower than the second valence band.
    Type: Grant
    Filed: August 28, 2017
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Jing Lee, Chi-Wen Liu
  • Patent number: 10164023
    Abstract: A device includes a substrate and insulation regions over a portion of the substrate. A first semiconductor region is between the insulation regions and having a first conduction band. A second semiconductor region is over and adjoining the first semiconductor region, wherein the second semiconductor region includes an upper portion higher than top surfaces of the insulation regions to form a semiconductor fin. The second semiconductor region also includes a wide portion and a narrow portion over the wide portion, wherein the narrow portion is narrower than the wide portion. The semiconductor fin has a tensile strain and has a second conduction band lower than the first conduction band. A third semiconductor region is over and adjoining a top surface and sidewalls of the semiconductor fin, wherein the third semiconductor region has a third conduction band higher than the second conduction band.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Yi-Jing Lee, Chi-Wen Liu, Cheng-Hsien Wu, Chih-Hsin Ko, Clement Hsingjen Wann
  • Patent number: 10164076
    Abstract: A method for forming a tunneling field-effect transistor (TFET) is disclosed. The method includes etching a semiconductor substrate to form a semiconductor protrusion that protrudes out from a top surface of the semiconductor substrate, forming a drain region in lower portion of the semiconductor protrusion, and patterning a gate stack layer to form a gate stack. The gate stack has a gating surface that directly contacts and wraps around a middle portion of the semiconductor protrusion. The method further includes forming a source region in an upper portion of the semiconductor protrusion and forming a source contact over the source region, the source contact have a first width that is larger than a width of the source region.
    Type: Grant
    Filed: December 28, 2016
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Harry-Hak-Lay Chuang, Cheng-Cheng Kuo, Chi-Wen Liu, Ming Zhu
  • Patent number: 10164059
    Abstract: A FinFET device includes a substrate, a fin formed on the substrate, and a gate electrode crossing the fin. The gate electrode includes a head portion and a tail portion, and the tail portion is connected to the head portion and extended toward the substrate. The width of the head portion is greater than that of the tail portion.
    Type: Grant
    Filed: January 12, 2016
    Date of Patent: December 25, 2018
    Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.
    Inventors: Yen-Ming Peng, Chi-Wen Liu, Hsin-Chieh Huang, Yi-Ju Hsu, Horng-Huei Tseng