Patents by Inventor Albert Fayrushin

Albert Fayrushin 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: 20210066328
    Abstract: Some embodiments include an assembly having a memory cell with an active region which includes a body region between a pair of source/drain regions. A charge-storage material is adjacent to the body region. A conductive gate is adjacent to the charge-storage material. A hole-recharge arrangement is configured to replenish holes within the body region during injection of holes from the body region to the charge-storage material. The hole-recharge arrangement includes a heterostructure active region having at least one source/drain region of a different composition than the body region, and/or includes an extension coupling the body region with a hole-reservoir. A wordline is coupled with the conductive gate. A first comparative digit line is coupled with one of the source/drain regions, and a second comparative digit line is coupled with the other of the source/drain regions.
    Type: Application
    Filed: August 27, 2019
    Publication date: March 4, 2021
    Applicant: Micron Technology, Inc.
    Inventors: Kamal M. Karda, Albert Fayrushin, Haitao Liu, Kirk D. Prall
  • Patent number: 10937904
    Abstract: A programmable charge-storage transistor comprises channel material, insulative charge-passage material, charge-storage material, a control gate, and charge-blocking material between the charge-storage material and the control gate. The charge-blocking material comprises a non-ferroelectric insulator material and a ferroelectric insulator material. Arrays of elevationally-extending strings of memory cells of memory cells are disclosed, including methods of forming such. Other embodiments, including method, are disclosed.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: March 2, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Haitao Liu, Kamal M. Karda, Albert Fayrushin
  • Patent number: 10937482
    Abstract: A memory cell comprises channel material, insulative charge-passage material, programmable material, a control gate, and charge-blocking material between the programmable material and the control gate. The charge-blocking material comprises a non-ferroelectric insulator material and a ferroelectric insulator material comprising hafnium, zirconium, and oxygen. Other embodiments are disclosed.
    Type: Grant
    Filed: June 5, 2019
    Date of Patent: March 2, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Ankit Sharma, Haitao Liu, Albert Fayrushin, Akira Goda, Kamal M. Karda
  • Patent number: 10923493
    Abstract: A semiconductor device comprises a stack comprising an alternating sequence of dielectric structures and conductive structures, and a channel structure within an opening vertically extending through the stack and comprising a first semiconductor material having a first band gap. The semiconductor device also comprises a conductive plug structure within the opening and in direct contact with the channel region, and a band offset structure within the opening and in direct physical contact with the channel structure and the conductive plug structure. The band offset structure comprises a second semiconductor material having a second band gap different than the first band gap. The semiconductor device further comprises a conductive line structure electrically coupled to the conductive plug structure. A method of forming a semiconductor device and an electronic system are also described.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: February 16, 2021
    Assignee: Micron Technology, Inc.
    Inventors: Albert Fayrushin, Haitao Liu, Mojtaba Asadirad
  • Publication number: 20210027839
    Abstract: Some embodiments include apparatuses and methods of operating the apparatuses. One of the apparatuses includes a memory cell string having first, second, third, fourth, and fifth memory cells; access lines including first, second, third, fourth, and fifth access lines coupled to the first, second, third, fourth, and fifth memory cells, respectively, and a module. The first memory cell is between the second and third memory cells. The second memory cell is between the first and fourth memory cells. The third memory cell is between the first and fifth memory cells. The module is to couple the first access line to a ground node at a first time of a memory operation, couple the second and third access lines to the ground node at a second time of the operation after the first time, and couple the fourth and fifth access lines to the ground node at a third time of the operation after the second time.
    Type: Application
    Filed: October 9, 2020
    Publication date: January 28, 2021
    Inventors: Albert Fayrushin, Augusto Benvenuti, Akira Goda, Luca Laurin, Haitao Liu
  • Patent number: 10803948
    Abstract: Some embodiments include apparatuses and methods of operating the apparatuses. One of the apparatuses includes a memory cell string having first, second, third, fourth, and fifth memory cells; access lines including first, second, third, fourth, and fifth access lines coupled to the first, second, third, fourth, and fifth memory cells, respectively, and a module. The first memory cell is between the second and third memory cells. The second memory cell is between the first and fourth memory cells. The third memory cell is between the first and fifth memory cells. The module is to couple the first access line to a ground node at a first time of a memory operation, couple the second and third access lines to the ground node at a second time of the operation after the first time, and couple the fourth and fifth access lines to the ground node at a third time of the operation after the second time.
    Type: Grant
    Filed: November 7, 2018
    Date of Patent: October 13, 2020
    Assignee: Micron Technology, Inc.
    Inventors: Albert Fayrushin, Augusto Benvenuti, Akira Goda, Luca Laurin, Haitao Liu
  • Publication number: 20200143884
    Abstract: Some embodiments include apparatuses and methods of operating the apparatuses. One of the apparatuses includes a memory cell string having first, second, third, fourth, and fifth memory cells; access lines including first, second, third, fourth, and fifth access lines coupled to the first, second, third, fourth, and fifth memory cells, respectively, and a module. The first memory cell is between the second and third memory cells. The second memory cell is between the first and fourth memory cells. The third memory cell is between the first and fifth memory cells. The module is to couple the first access line to a ground node at a first time of a memory operation, couple the second and third access lines to the ground node at a second time of the operation after the first time, and couple the fourth and fifth access lines to the ground node at a third time of the operation after the second time.
    Type: Application
    Filed: November 7, 2018
    Publication date: May 7, 2020
    Inventors: Albert Fayrushin, Augusto Benvenuti, Akira Goda, Luca Laurin, Haitao Liu
  • Publication number: 20200083245
    Abstract: A semiconductor device comprises a stack comprising an alternating sequence of dielectric structures and conductive structures, and a channel structure within an opening vertically extending through the stack and comprising a first semiconductor material having a first band gap. The semiconductor device also comprises a conductive plug structure within the opening and in direct contact with the channel region, and a band offset structure within the opening and in direct physical contact with the channel structure and the conductive plug structure. The band offset structure comprises a second semiconductor material having a second band gap different than the first band gap. The semiconductor device further comprises a conductive line structure electrically coupled to the conductive plug structure. A method of forming a semiconductor device and an electronic system are also described.
    Type: Application
    Filed: September 6, 2018
    Publication date: March 12, 2020
    Inventors: Albert Fayrushin, Haitao Liu, Mojtaba Asadirad
  • Publication number: 20190311756
    Abstract: A memory cell comprises channel material, insulative charge-passage material, programmable material, a control gate, and charge-blocking material between the programmable material and the control gate. The charge-blocking material comprises a non-ferroelectric insulator material and a ferroelectric insulator material comprising hafnium, zirconium, and oxygen. Other embodiments are disclosed.
    Type: Application
    Filed: June 5, 2019
    Publication date: October 10, 2019
    Applicant: Micron Technology, Inc.
    Inventors: Ankit Sharma, Haitao Liu, Albert Fayrushin, Akira Goda, Kamal M. Karda
  • Publication number: 20190198673
    Abstract: A programmable charge-storage transistor comprises channel material, insulative charge-passage material, charge-storage material, a control gate, and charge-blocking material between the charge-storage material and the control gate. The charge-blocking material comprises a non-ferroelectric insulator material and a ferroelectric insulator material. Arrays of elevationally-extending strings of memory cells of memory cells are disclosed, including methods of forming such. Other embodiments, including method, are disclosed.
    Type: Application
    Filed: February 7, 2018
    Publication date: June 27, 2019
    Applicant: Micron Technology, Inc.
    Inventors: Haitao Liu, Kamal M. Karda, Albert Fayrushin
  • Patent number: 9324727
    Abstract: A memory device may include a plurality of semiconductor patterns on a substrate including a plurality of first impurity regions doped at a first impurity concentration, a plurality of second impurity regions at portions of the substrate contacting the plurality of semiconductor patterns and doped at a second impurity concentration, a plurality of channel patterns on the plurality of semiconductor patterns, a plurality of gate structures, a plurality of third impurity regions at portions of the substrate adjacent to end portions of the plurality of gate structures, and a plurality of fourth impurity regions at portions of the substrate between the second and third impurity regions and between adjacent second impurity regions. The plurality of fourth impurity regions may be doped at a third impurity concentration which may be lower than the first and second impurity concentrations.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: April 26, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chang-Hyun Lee, Hyun-Jung Kim, Dong-Hoon Jang, Albert Fayrushin
  • Publication number: 20150236111
    Abstract: A non-volatile memory device includes gate structures, an insulation layer pattern, and an isolation structure. Multiple gate structures being spaced apart from each other in a first direction are formed on a substrate. Ones of the gate structures extend in a second direction that is substantially perpendicular to the first direction. The substrate includes active regions and field regions alternately and repeatedly formed in the second direction. The insulation layer pattern is formed between the gate structures and has a second air gap therein. Each of the isolation structures extending in the first direction and having a first air gap between the gate structures, the insulation layer pattern, and the isolation structure is formed on the substrate in each field region.
    Type: Application
    Filed: April 10, 2015
    Publication date: August 20, 2015
    Inventors: Chang-Hyun Lee, Byung-Kyu Cho, Jang-Hyun You, Albert Fayrushin
  • Patent number: 9082750
    Abstract: Provided is a semiconductor device. The semiconductor device includes a substrate, a tunnel insulating layer, a charge storage pattern, a blocking layer, a gate electrode. The tunnel insulating layer is disposed over the substrate. The charge storage pattern is disposed over the tunnel insulating layer. The charge storage pattern has an upper surface, a sidewall, and an edge portion between the upper surface and the sidewall. The blocking layer includes an insulating pattern covering the edge portion of the charge storage pattern, and a gate dielectric layer covering the upper surface, the sidewall, and the edge portion of the charge storage pattern. The gate electrode is disposed over the blocking layer, the gate electrode covering the upper surface, the sidewall, and the edge portion of the charge storage pattern.
    Type: Grant
    Filed: March 18, 2014
    Date of Patent: July 14, 2015
    Assignee: Samsung Electronics Co, Ltd.
    Inventors: Albert Fayrushin, Kwang Soo Seol, Jaeduk Lee
  • Publication number: 20150146489
    Abstract: In a method of operating a nonvolatile memory device having a substrate and first through n-th word lines stacked in a direction perpendicular to the substrate, first through k-th word line voltages are applied to first through k-th word lines, respectively, which are formed adjacent to the substrate, among the first through n-th word lines. (k+1)-th through n-th word line voltages are applied to (k+1)-th through n-th word lines, respectively, which are formed above the first through k-th word lines, among the first through n-th word lines. An erase voltage, which is higher than the first through n-th word line voltages, is applied to the substrate, where n represents an integer equal to or greater than two, and k represents a positive integer smaller than n. Each of the (k+1)-th through n-th word line voltages is lower than each of the first through k-th word line voltages.
    Type: Application
    Filed: September 4, 2014
    Publication date: May 28, 2015
    Inventors: Chang-Hyun LEE, Albert FAYRUSHIN
  • Publication number: 20140264548
    Abstract: A memory device may include a plurality of semiconductor patterns on a substrate including a plurality of first impurity regions doped at a first impurity concentration, a plurality of second impurity regions at portions of the substrate contacting the plurality of semiconductor patterns and doped at a second impurity concentration, a plurality of channel patterns on the plurality of semiconductor patterns, a plurality of gate structures, a plurality of third impurity regions at portions of the substrate adjacent to end portions of the plurality of gate structures, and a plurality of fourth impurity regions at portions of the substrate between the second and third impurity regions and between adjacent second impurity regions. The plurality of fourth impurity regions may be doped at a third impurity concentration which may be lower than the first and second impurity concentrations.
    Type: Application
    Filed: February 10, 2014
    Publication date: September 18, 2014
    Inventors: Chang-Hyun Lee, Hyun-Jung Kim, Dong-Hoon Jang, Albert Fayrushin
  • Patent number: 8791520
    Abstract: Provided are nonvolatile memory devices and a method of forming the same. A tunnel insulating pattern is provided on a substrate, and a floating gate is provided on the tunnel insulating pattern. A floating gate cap having a charge trap site is provided on the floating gate, and a gate dielectric pattern is provided on the floating gate cap. A control gate is provided on the gate dielectric pattern.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: July 29, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jaeduk Lee, Albert Fayrushin, ByungKyu Cho, Jungdal Choi, Sunghoi Hur, Kwang Soo Seol, Dohyun Lee
  • Publication number: 20140197471
    Abstract: Provided is a semiconductor device. The semiconductor device includes a substrate, a tunnel insulating layer, a charge storage pattern, a blocking layer, a gate electrode. The tunnel insulating layer is disposed over the substrate. The charge storage pattern is disposed over the tunnel insulating layer. The charge storage pattern has an upper surface, a sidewall, and an edge portion between the upper surface and the sidewall. The blocking layer includes an insulating pattern covering the edge portion of the charge storage pattern, and a gate dielectric layer covering the upper surface, the sidewall, and the edge portion of the charge storage pattern. The gate electrode is disposed over the blocking layer, the gate electrode covering the upper surface, the sidewall, and the edge portion of the charge storage pattern.
    Type: Application
    Filed: March 18, 2014
    Publication date: July 17, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Albert Fayrushin, Kwang Soo Seol, Jaeduk Lee
  • Publication number: 20120132982
    Abstract: A non-volatile memory device includes gate structures, an insulation layer pattern, and an isolation structure. Multiple gate structures being spaced apart from each other in a first direction are formed on a substrate. Ones of the gate structures extend in a second direction that is substantially perpendicular to the first direction. The substrate includes active regions and field regions alternately and repeatedly formed in the second direction. The insulation layer pattern is formed between the gate structures and has a second air gap therein. Each of the isolation structures extending in the first direction and having a first air gap between the gate structures, the insulation layer pattern, and the isolation structure is formed on the substrate in each field region.
    Type: Application
    Filed: October 27, 2011
    Publication date: May 31, 2012
    Inventors: Chang-Hyun LEE, Byung-Kyu CHO, Jang-Hyun YOU, Albert FAYRUSHIN
  • Publication number: 20110169068
    Abstract: Provided are nonvolatile memory devices and a method of forming the same. A tunnel insulating pattern is provided on a substrate, and a floating gate is provided on the tunnel insulating pattern. A floating gate cap having a charge trap site is provided on the floating gate, and a gate dielectric pattern is provided on the floating gate cap. A control gate is provided on the gate dielectric pattern.
    Type: Application
    Filed: January 7, 2011
    Publication date: July 14, 2011
    Inventors: JAEDUK LEE, Albert Fayrushin, ByungKyu Cho, Jungdal Choi, Sunghoi Hur, Kwang Soo Seol, Dohyun Lee
  • Patent number: 7968407
    Abstract: A method of manufacturing a semiconductor memory device, the method including forming a tunnel insulation layer on a substrate, forming a preliminary charge trapping layer on the tunnel insulation layer, forming an etch stop layer on the preliminary charge trapping layer, wherein a portion of the preliminary charge trapping layer is not covered by the etch stop layer, removing the exposed portion of the preliminary charge trapping layer to form a charge trapping layer having a uniform thickness, forming a dielectric layer on the charge trapping layer, and forming a gate electrode on the dielectric layer.
    Type: Grant
    Filed: April 1, 2010
    Date of Patent: June 28, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Albert Fayrushin