Patents by Inventor Fredrick Jenne

Fredrick Jenne 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: 11784243
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Grant
    Filed: December 2, 2021
    Date of Patent: October 10, 2023
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G Geha
  • Publication number: 20230017648
    Abstract: A semiconductor device including an oxide-nitride-oxide (ONO) structure having a multi-layer charge storing layer and methods of forming the same are provided. Generally, the method involves: (i) forming a first oxide layer of the ONO structure; (ii) forming a multi-layer charge storing layer comprising nitride on a surface of the first oxide layer; and (iii) forming a second oxide layer of the ONO structure on a surface of the multi-layer charge storing layer. Preferably, the charge storing layer comprises at least two silicon oxynitride layers having differing stoichiometric compositions of Oxygen, Nitrogen and/or Silicon. More preferably, the ONO structure is part of a silicon-oxide-nitride-oxide-silicon (SONOS) structure and the semiconductor device is a SONOS memory transistor. Other embodiments are also disclosed.
    Type: Application
    Filed: September 15, 2022
    Publication date: January 19, 2023
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G. Geha
  • Publication number: 20220093773
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Application
    Filed: December 2, 2021
    Publication date: March 24, 2022
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G Geha
  • Patent number: 11222965
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Grant
    Filed: December 24, 2019
    Date of Patent: January 11, 2022
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G Geha
  • Publication number: 20210249254
    Abstract: A semiconductor device including an oxide-nitride-oxide (ONO) structure having a multi-layer charge storing layer and methods of forming the same are provided. Generally, the method involves: (i) forming a first oxide layer of the ONO structure; (ii) forming a multi-layer charge storing layer comprising nitride on a surface of the first oxide layer; and (iii) forming a second oxide layer of the ONO structure on a surface of the multi-layer charge storing layer. Preferably, the charge storing layer comprises at least two silicon oxynitride layers having differing stochiometric compositions of Oxygen, Nitrogen and/or Silicon. More preferably, the ONO structure is part of a silicon-oxide-nitride-oxide-silicon (SONOS) structure and the semiconductor device is a SONOS memory transistor. Other embodiments are also disclosed.
    Type: Application
    Filed: January 25, 2021
    Publication date: August 12, 2021
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G. Geha
  • Patent number: 10903068
    Abstract: A semiconductor device including an oxide-nitride-oxide (ONO) structure having a multi-layer charge storing layer and methods of forming the same are provided. Generally, the method involves: (i) forming a first oxide layer of the ONO structure; (ii) forming a multi-layer charge storing layer comprising nitride on a surface of the first oxide layer; and (iii) forming a second oxide layer of the ONO structure on a surface of the multi-layer charge storing layer. Preferably, the charge storing layer comprises at least two silicon oxynitride layers having differing stochiometric compositions of Oxygen, Nitrogen and/or Silicon. More preferably, the ONO structure is part of a silicon-oxide-nitride-oxide-silicon (SONOS) structure and the semiconductor device is a SONOS memory transistor. Other embodiments are also disclosed.
    Type: Grant
    Filed: April 14, 2016
    Date of Patent: January 26, 2021
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G. Geha
  • Patent number: 10903342
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 26, 2021
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Sagy Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam Geha
  • Patent number: 10896973
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 19, 2021
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Sagy Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam Geha
  • Publication number: 20200144399
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Application
    Filed: December 24, 2019
    Publication date: May 7, 2020
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G. Geha
  • Publication number: 20190319104
    Abstract: Scaling a charge trap memory device and the article made thereby. In one embodiment, the charge trap memory device includes a substrate having a source region, a drain region, and a channel region electrically connecting the source and drain. A tunnel dielectric layer is disposed above the substrate over the channel region, and a multi-layer charge-trapping region disposed on the tunnel dielectric layer.
    Type: Application
    Filed: March 12, 2019
    Publication date: October 17, 2019
    Inventors: Sagy Levy, Fredrick Jenne, Krishnaswamy Ramkumar
  • Patent number: 10374067
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: August 6, 2019
    Assignee: LONGITUDE FLASH MEMORY SOLUTIONS LTD.
    Inventors: Sagy Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam Geha
  • Patent number: 10263087
    Abstract: A memory is described. Generally, the memory includes a number of non-planar multigate transistors, each including a channel of semiconducting material overlying a surface of a substrate and electrically connecting a source and a drain, a tunnel dielectric layer overlying the channel on at least three sides thereof, and a multi-layer charge-trapping region overlying the tunnel dielectric layer. In one embodiment, the multi-layer charge-trapping region includes a first deuterated layer overlying the tunnel dielectric layer and a first nitride-containing layer overlying the first deuterated layer. Other embodiments are also described.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: April 16, 2019
    Assignee: Cypress Semiconductor Corporation
    Inventors: Sagy Levy, Fredrick Jenne, Krishnaswamy Ramkumar
  • Publication number: 20180366564
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 20, 2018
    Applicant: Cypress Semiconductor Corporation
    Inventors: Sagy Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam Geha
  • Publication number: 20180366563
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Application
    Filed: May 30, 2018
    Publication date: December 20, 2018
    Applicant: Cypress Semiconductor Corporation
    Inventors: Sagy Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam Geha
  • Publication number: 20170352732
    Abstract: A memory is described. Generally, the memory includes a number of non-planar multigate transistors, each including a channel of semiconducting material overlying a surface of a substrate and electrically connecting a source and a drain, a tunnel dielectric layer overlying the channel on at least three sides thereof, and a multi-layer charge-trapping region overlying the tunnel dielectric layer. In one embodiment, the multi-layer charge-trapping region includes a first deuterated layer overlying the tunnel dielectric layer and a first nitride-containing layer overlying the first deuterated layer. Other embodiments are also described.
    Type: Application
    Filed: July 18, 2017
    Publication date: December 7, 2017
    Applicant: Cypress Semiconductor Corporation
    Inventors: Sagy Levy, Fredrick Jenne, Krishnaswamy Ramkumar
  • Patent number: 9741803
    Abstract: A charge trap memory device is provided. In one embodiment, the charge trap memory device includes a semiconductor material structure having a vertical channel extending from a first diffusion region formed in a semiconducting material to a second diffusion region formed over the first diffusion region, the vertical channel electrically connecting the first diffusion region to the second diffusion region. A tunnel dielectric layer is disposed on the vertical channel, a multi-layer charge-trapping region including a first deuterated layer disposed on the tunnel dielectric layer, a first nitride layer disposed on the first deuterated layer, and a second nitride layer comprising a deuterium-free trap-dense, oxygen-lean nitride disposed on the first nitride layer. The second nitride layer includes a majority of charge traps distributed in the multi-layer charge-trapping region.
    Type: Grant
    Filed: June 22, 2016
    Date of Patent: August 22, 2017
    Assignee: Cypress Semiconductor Corporation
    Inventors: Sagy Levy, Fredrick Jenne, Krishnaswamy Ramkumar
  • Patent number: 9716153
    Abstract: Scaling a charge trap memory device and the article made thereby. In one embodiment, the charge trap memory device includes a substrate having a source region, a drain region, and a channel region electrically connecting the source and drain. A tunnel dielectric layer is disposed above the substrate over the channel region, and a multi-layer charge-trapping region disposed on the tunnel dielectric layer. The multi-layer charge-trapping region includes a first deuterated layer disposed on the tunnel dielectric layer, a first nitride layer disposed on the first deuterated layer and a second nitride layer.
    Type: Grant
    Filed: July 1, 2012
    Date of Patent: July 25, 2017
    Assignee: Cypress Semiconductor Corporation
    Inventors: Sagy Levy, Fredrick Jenne, Krishnaswamy Ramkumar
  • Publication number: 20160308033
    Abstract: An embodiment of a semiconductor memory device including a multi-layer charge storing layer and methods of forming the same are described. Generally, the device includes a channel formed from a semiconducting material overlying a surface on a substrate connecting a source and a drain of the memory device; a tunnel oxide layer overlying the channel; and a multi-layer charge storing layer including an oxygen-rich, first oxynitride layer on the tunnel oxide layer in which a stoichiometric composition of the first oxynitride layer results in it being substantially trap free, and an oxygen-lean, second oxynitride layer on the first oxynitride layer in which a stoichiometric composition of the second oxynitride layer results in it being trap dense. In one embodiment, the device comprises a non-planar transistor including a gate having multiple surfaces abutting the channel, and the gate comprises the tunnel oxide layer and the multi-layer charge storing layer.
    Type: Application
    Filed: June 22, 2016
    Publication date: October 20, 2016
    Inventors: Sagy LEVY, Krishnaswamy RAMKUMAR, Fredrick JENNE, Sam GEHA
  • Publication number: 20160308009
    Abstract: A charge trap memory device is provided. In one embodiment, the charge trap memory device includes a semiconductor material structure having a vertical channel extending from a first diffusion region formed in a semiconducting material to a second diffusion region formed over the first diffusion region, the vertical channel electrically connecting the first diffusion region to the second diffusion region. A tunnel dielectric layer is disposed on the vertical channel, a multi-layer charge-trapping region including a first deuterated layer disposed on the tunnel dielectric layer, a first nitride layer disposed on the first deuterated layer, and a second nitride layer comprising a deuterium-free trap-dense, oxygen-lean nitride disposed on the first nitride layer. The second nitride layer includes a majority of charge traps distributed in the multi-layer charge-trapping region.
    Type: Application
    Filed: June 22, 2016
    Publication date: October 20, 2016
    Inventors: Sagy LEVY, Fredrick JENNE, Krishnaswamy RAMKUMAR
  • Publication number: 20160300724
    Abstract: A semiconductor device including an oxide-nitride-oxide (ONO) structure having a multi-layer charge storing layer and methods of forming the same are provided. Generally, the method involves: (i) forming a first oxide layer of the ONO structure; (ii) forming a multi-layer charge storing layer comprising nitride on a surface of the first oxide layer; and (iii) forming a second oxide layer of the ONO structure on a surface of the multi-layer charge storing layer. Preferably, the charge storing layer comprises at least two silicon oxynitride layers having differing stochiometric compositions of Oxygen, Nitrogen and/or Silicon. More preferably, the ONO structure is part of a silicon-oxide-nitride-oxide-silicon (SONOS) structure and the semiconductor device is a SONOS memory transistor. Other embodiments are also disclosed.
    Type: Application
    Filed: April 14, 2016
    Publication date: October 13, 2016
    Inventors: Sagy Charel Levy, Krishnaswamy Ramkumar, Fredrick Jenne, Sam G. Geha