Patents by Inventor Ching Liu

Ching 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).

  • Patent number: 11538525
    Abstract: Provided is a resetting method of a resistive random access memory (RRAM) including the following steps. A first resetting operation and a first verifying operation on the at least one resistive memory cell are performed. Whether to perform a second resetting operation according to a verifying result of the first verifying operation is determined. A second verifying operation is performed after the second resetting operation is determined to be performed and is finished. To determine whether to perform a healing resetting operation according to a verifying result of the second verifying operation, which comprises: performing the healing resetting operation when a verifying current of the second verifying operation is greater than a predetermined current, wherein a resetting voltage of the healing resetting operation is greater than a resetting voltage of the second resetting operation.
    Type: Grant
    Filed: October 6, 2021
    Date of Patent: December 27, 2022
    Assignee: Winbond Electronics Corp.
    Inventors: Ping-Kun Wang, Ming-Che Lin, Yu-Ting Chen, Chang-Tsung Pai, Shao-Ching Liao, Chi-Ching Liu
  • Patent number: 11521663
    Abstract: A memory circuit includes a first memory cell on a first layer, a second memory cell on a second layer different from the first layer, a first select transistor on a third layer different from the first layer and the second layer, a first bit line, a second bit line and a first source line. The first bit lines extends in a first direction, and is coupled to the first memory cell, the second memory cell and the first select transistor. The second bit line extends in the first direction, and is coupled to the first select transistor. The first source line extends in the first direction, is coupled to the first memory cell and the second memory cell, and is separated from the first bit line in a second direction different from the first direction.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: December 6, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.
    Inventors: Yi-Ching Liu, Chia-En Huang, Yih Wang
  • Publication number: 20220366951
    Abstract: A method of operating a memory circuit includes enabling a first row of select transistors, disabling a second row of select transistors, enabling a first row of memory cells in response to a first word line signal, and disabling a second row of memory cells in response to a second word line signal. Enabling the first row of select transistors includes turning on a first select transistor in the first row of select transistors in response to a first select line signal thereby electrically coupling a first local bit line and a global bit line to each other. Disabling the second row of select transistors includes turning off a second select transistor in the second row of select transistors in response to a second select line signal thereby electrically decoupling a second local bit line and the global bit line from each other.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 17, 2022
    Inventors: Yi-Ching LIU, Chia-En HUANG, Yih WANG
  • Publication number: 20220359484
    Abstract: A circuit is provided. The circuit includes a first die that includes a memory array, and the memory array includes a plurality of memory cells, a sensing element coupled to the plurality of memory cells, and a first plurality of conductive pads coupled to the sensing element. The circuit also includes a second die that includes an address decoder associated with the memory array of the first die and a second plurality of conductive pads coupled to the address decoder. The first die is coupled to the second die by an interposer. The address decoder of the second die is coupled to the sensing element of the first die. A first voltage swing of the first die is larger than a second voltage swing of the second die.
    Type: Application
    Filed: July 12, 2022
    Publication date: November 10, 2022
    Inventors: YI-CHING LIU, YIH WANG, CHIA-EN HUANG
  • Publication number: 20220359569
    Abstract: Three-dimensional memories are provided. A three-dimensional memory includes a memory cell array, a first interconnect structure, a bit line decoder and a second interconnect structure. The bit line decoder is formed under the memory cell array and the first interconnect structure. The memory cell array includes a plurality of memory cells formed in a plurality of levels stacked in a first direction. The first interconnect structure includes at least one bit line extending in a second direction that is perpendicular to the first direction. The bit line includes a plurality of sub-bit lines stacked in the first direction. Each of the sub-bit lines is coupled to the memory cells that are arranged in a line in the corresponding level of the memory cell array. The second interconnect structure is configured to connect the bit line to the bit line decoder passing through the first interconnect structure.
    Type: Application
    Filed: May 6, 2021
    Publication date: November 10, 2022
    Inventors: Chenchen Jacob WANG, Chun-Chieh LU, Yi-Ching LIU
  • Publication number: 20220358976
    Abstract: A memory device includes a plurality of arrays coupled in parallel with each other. A first array of the plurality of arrays includes a first switch and a plurality of first memory cells that are arranged in a first column, a second switch and a plurality of second memory cells that are arranged in a second column, and at least one data line coupled to the plurality of first memory cells and the plurality of second memory cells. The second switch is configured to output a data signal from the at least one data line to a sense amplifier.
    Type: Application
    Filed: July 26, 2022
    Publication date: November 10, 2022
    Applicant: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Meng-Sheng CHANG, Chia-En HUANG, Yi-Ching LIU, Yih WANG
  • Publication number: 20220358985
    Abstract: Systems and methods disclosed herein are related to a memory system. In one aspect, the memory system includes a first set of memory cells including a first string of memory cells and a second string of memory cells; and a first switch including: a first electrode connected to first electrodes of the first string of memory cells and first electrodes of the second string of memory cells, and a second electrode connected to a first global bit line, wherein gate electrodes of the first string of memory cells are connected to a first word line and gate electrodes of the second string of memory cells are connected to a second word line.
    Type: Application
    Filed: July 20, 2022
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Sheng-chen Wang, Meng-Han Lin, Chia-En Huang, Yi-Ching Liu
  • Publication number: 20220358993
    Abstract: A memory structure includes a first memory array having bit lines; a second memory array having bit lines; a first sense amplifier connected to a first bit line of the first memory array and a first bit line of the second memory array; and a second sense amplifier connected to a second bit line of the first memory array and a second bit line of the second memory array. The second bit line of the first memory array is adjacent to the first bit line of the first memory array, and the second bit line of the second memory array is adjacent to the first bit line of the second memory array.
    Type: Application
    Filed: December 8, 2021
    Publication date: November 10, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Chieh Lee, Yi-Ching Liu, Chia-En Huang, Wen-Chang Cheng, Jonathan Tsung-Yung Chang
  • Publication number: 20220344283
    Abstract: A semiconductor structure serves to generate a physical unclonable function (PUF) code. The semiconductor structure includes a metal layer, N Titanium (Ti) structures, and N Titanium Nitride (Ti-N) structures, where N is a positive integer. The metal layer forms N metal structures. The Ti structures are respectively formed on one end of each metal structure. The Ti-N structures are respectively formed on top of the Ti structures. The metal structures and the corresponding Ti structures and the corresponding Ti-N structures respectively form a plurality of pillars. The pillars respectively provide a plurality of resistance values, and the resistance values serve to generate the PUF code.
    Type: Application
    Filed: January 27, 2022
    Publication date: October 27, 2022
    Applicant: Winbond Electronics Corp.
    Inventors: Chi-Ching Liu, Hsiu-Pin Chen, Sung-Ying Wen, Tso-Hua Hung, Yu-An Chen, Ming-Che Lin
  • Publication number: 20220342182
    Abstract: A fixed-focus lens includes an anti-radiation first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens arranged in order in a direction. An aperture stop is disposed between the first lens and the fourth lens. A ratio of a lens diameter of the first lens to an overall length is within a range of 0.4 to 0.5, where the overall length is an axial distance between an outer surface of the first lens and an outer surface of the seventh lens. Each of the first lens to the seventh lens is a spherical glass lens.
    Type: Application
    Filed: April 15, 2022
    Publication date: October 27, 2022
    Inventors: Pei-Ching LIU, Kuo-Chuan WANG
  • Publication number: 20220328502
    Abstract: A memory device includes a three dimensional memory array having memory cells arranged on multiple floors in rows and columns. Each column is associated with a bit line and a select line. The memory device further includes select gate pairs each being associated with a column. The bit line of a column is connectable to a corresponding a global bit line through a first select gate of a select gate pair associated with the column and a select line of the column is connectable to a corresponding global select line through the second select gate of the select gate pair associated with the column. The plurality of select gate pairs are formed in a different layer than the plurality of memory cells.
    Type: Application
    Filed: December 30, 2021
    Publication date: October 13, 2022
    Inventors: Chia-Ta Yu, Chia-En Huang, Yi-Ching Liu, Yih Wang, Sai-Hooi Yeong, Yu-Ming Lin
  • Publication number: 20220310132
    Abstract: Routing arrangements for 3D memory arrays and methods of forming the same are disclosed. In an embodiment, a memory array includes a ferroelectric (FE) material contacting a first word line; an oxide semiconductor (OS) layer contacting a source line and a bit line, the FE material being disposed between the OS layer and the first word line; a dielectric material contacting the FE material, the FE material being between the dielectric material and the first word line; an inter-metal dielectric (IMD) over the first word line; a first contact extending through the IMD to the first word line, the first contact being electrically coupled to the first word line; a second contact extending through the dielectric material and the FE material; and a first conductive line electrically coupling the first contact to the second contact.
    Type: Application
    Filed: June 16, 2022
    Publication date: September 29, 2022
    Inventors: Meng-Han Lin, Chenchen Jacob Wang, Yi-Ching Liu, Han-Jong Chia, Sai-Hooi Yeong, Yu-Ming Lin, Yih Wang
  • Publication number: 20220293158
    Abstract: A semiconductor device comprises a first conductive structure extending along a vertical direction and a second conductive structure extending along the vertical direction. The second conductive structure is spaced apart from the first conductive structure along a lateral direction. The semiconductor device further comprises a plurality of third conductive structures each extending along the lateral direction. The plurality of third conductive structures are disposed across the first and second conductive structures. The first and second conductive structures each have a varying width along the lateral direction. The plurality of third conductive structures are configured to be applied with respective different voltages in accordance with the varying width of the first and second conductive structures.
    Type: Application
    Filed: September 9, 2021
    Publication date: September 15, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Peng-Chun Liou, Zhiqiang Wu, Chung-Wei Wu, Yi-Ching Liu, Yih Wang
  • Publication number: 20220285399
    Abstract: A semiconductor device includes a first conductive structure extending along a vertical direction and a second conductive structure extending along the vertical direction. The second conductive structure is spaced apart from the first conductive structure along a first lateral direction. The semiconductor device includes third conductive structures each extending along the first lateral direction. The third conductive structures are disposed across the first and second conductive structures. The semiconductor device includes a first semiconductor channel extending along the vertical direction. The first semiconductor channel is disposed between the third conductive structures and the first conductive structure, and between the third conductive structures and the second conductive structure. The first and second conductive structures each have a first varying width along the first lateral direction, and the first semiconductor channel has a second varying width along a second lateral direction.
    Type: Application
    Filed: August 27, 2021
    Publication date: September 8, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Peng-Chun Liou, Zhiqiang Wu, Ya-Yun Cheng, Yi-Ching Liu, Meng-Han Lin
  • Publication number: 20220285400
    Abstract: A semiconductor device comprises a first conductive structure extending along a vertical direction and a second conductive structuring extending along the vertical direction. The second conductive structure is spaced apart from the first conductive structure along a lateral direction. The semiconductor device further comprises a plurality of third conductive structures each extending along the lateral direction. The plurality of third conductive structures are disposed across the first and second conductive structures. The semiconductor device further comprises a first semiconductor channel extending along the vertical direction. The first semiconductor channel is disposed between the plurality of third conductive structures and the first conductive structure and between the plurality of third conductive structures and the second conductive structure.
    Type: Application
    Filed: September 9, 2021
    Publication date: September 8, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Peng-Chun Liou, Zhiqiang Wu, Chung-Wei Wu, Yi-Ching Liu, Chia-En Huang
  • Publication number: 20220285397
    Abstract: A semiconductor device comprises a first conductive structure extending along a vertical direction and a second conductive structure extending along the vertical direction. The second conductive structure is spaced apart from the first conductive structure along a lateral direction. The semiconductor device further comprises a plurality of third conductive structures each extending along the lateral direction. The plurality of third conductive structures are disposed across the first and second conductive structures. The first and second conductive structures each have a varying width along the lateral direction. The plurality of third conductive structures have respective different thicknesses in accordance with the varying width of the first and second conductive structures.
    Type: Application
    Filed: August 26, 2021
    Publication date: September 8, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Peng-Chun Liou, Ya-Yun Cheng, Yi-Ching Liu, Meng-Han Lin, Chia-En Huang
  • Publication number: 20220278128
    Abstract: An integrated circuit is provided. The integrated circuit includes a three-dimensional memory device, a first word line driving circuit and a second word line driving circuit. The three-dimensional memory device includes stacking structures separately extending along a column direction. Each stacking structure includes a stack of word lines. The stacking structures have first staircase structures at a first side and second staircase structures at a second side. The word lines extend to steps of the first and second staircase structures. The first and second word line driving circuits lie below the three-dimensional memory device, and extend along the first and second sides, respectively. Some of the word lines in each stacking structure are routed to the first word line driving circuit from a first staircase structure, and others of the word lines in each stacking structure are routed to the second word line driving circuit from a second staircase structure.
    Type: Application
    Filed: June 15, 2021
    Publication date: September 1, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Bo-Feng Young, Yi-Ching Liu, Sai-Hooi Yeong, Yih Wang, Yu-Ming Lin
  • Publication number: 20220271048
    Abstract: One aspect of this description relates to a semiconductor device. In some embodiments, the semiconductor device includes a first drain/source structure extending in a first direction, a second drain/source structure extending the first direction and spaced from the first drain/source structure in a second direction perpendicular to the first direction, a third drain/source structure extending in the first direction and spaced from the second drain/source structure in the second direction, a first bit line disposed over the first drain/source structure in the first direction, a common select line that includes a portion disposed over the second drain/source structure in the first direction, a second bit line disposed over the third drain/source structure in the first direction, and a charge storage layer coupled to at least a first sidewall of each of the first drain/source structure, the second drain/source structure, and the third drain/source structure.
    Type: Application
    Filed: February 25, 2021
    Publication date: August 25, 2022
    Applicant: Taiwan Semiconductor Manufacturing Company, Ltd.
    Inventors: Meng-Han Lin, Chia-En Huang, Yi-Ching Liu
  • Patent number: 11424233
    Abstract: A method is provided. The method includes providing a first die and a second die. The first die may include a memory array that includes a plurality of memory cells and a sensing element. The second die may include an address decoder associated with the memory array of the first die. The method also includes coupling the second die to the sensing element of the first die, and providing an encapsulant at least partially encapsulating the first die and the second die.
    Type: Grant
    Filed: April 8, 2021
    Date of Patent: August 23, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD.
    Inventors: Yi-Ching Liu, Yih Wang, Chia-En Huang
  • Patent number: 11423960
    Abstract: A memory device is disclosed, including a first switch and multiple first memory cells that are arranged in a first column, a second switch and multiple second memory cells that are arranged in a second column, a first data line and a second data line. The first data line is coupled to the first memory cells and the second memory cells. The second data line is coupled connected to the first memory cells and the second memory cells. The first switch transmits a data signal in the first data line in response to a control signal. The second switch outputs the data signal received from the second data line in response to the control signal.
    Type: Grant
    Filed: October 30, 2020
    Date of Patent: August 23, 2022
    Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING CO., LTD.
    Inventors: Meng-Sheng Chang, Chia-En Huang, Yi-Ching Liu, Yih Wang