Patents by Inventor Michael Arnaud QUINSAT
Michael Arnaud QUINSAT 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).
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Publication number: 20240099155Abstract: A memory includes: a magnet including a first and second portions adjacent in a first direction. The first portion has a first dimension in a second direction at a first position at which a dimension of the magnet in the second direction is maximum, the second direction perpendicular to the first direction, the second portion has a second dimension in the second direction at a second position at which a dimension of the magnet in the second direction is minimum, the second dimension smaller than the first dimension, the first portion is continuous to the second portion via a third position between the first and second positions, a curve corresponding to an outer of the magnet extends between the first and third positions, and the curve passes through a side closer to the central axis of the magnet than a straight line connecting the first and second positions.Type: ApplicationFiled: September 11, 2023Publication date: March 21, 2024Applicant: Kioxia CorporationInventors: Masahiro KOIKE, Michael Arnaud QUINSAT, Nobuyuki UMETSU, Tsutomu NAKANISHI, Agung SETIADI, Megumi YAKABE, Shigeyuki HIRAYAMA, Masaki KADO, Yasuaki OOTERA, Shiho NAKAMURA, Susumu HASHIMOTO, Tsuyoshi KONDO
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Patent number: 11871586Abstract: A magnetic memory of the present embodiment includes an electrode extending along a plane including a first direction and a second direction, a first wiring extending in the first direction, second wirings between the electrode and the first wiring, extending in the second direction and arranged in the first direction, first magnetic members each including a first part electrically connected to the first wiring and a second part electrically connected to the electrode, extending in a third direction, and being positioned between neighboring two of the second wirings when seen from the third direction, and a control circuit. When writing first information to one first magnetic member, the control circuit supplies first current to at least two second wirings positioned on one side of the one first magnetic member in the first direction.Type: GrantFiled: March 14, 2022Date of Patent: January 9, 2024Assignee: Kioxia CorporationInventors: Naoharu Shimomura, Nobuyuki Umetsu, Tsuyoshi Kondo, Yoshihiro Ueda, Yasuaki Ootera, Akihito Yamamoto, Mutsumi Okajima, Masaki Kado, Tsutomo Nakanishi, Michael Arnaud Quinsat
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Publication number: 20230309321Abstract: A magnetic memory includes first magnetic members extending along a first direction. First and second wirings are spaced apart from the first magnetic members on a second end side of the first magnetic members. At least one of the first magnetic members is between the first and second wirings in a plan view from the first direction. A second magnetic member has a first portion facing the first wiring and electrically connected to a first magnetic member on one side and a second portion facing the first wiring on an opposite side. The second portion is electrically connected to another first magnetic member. A control circuit causes a current to flow through one of the first wiring or the second wiring when data is written into the first magnetic member that is between the first wiring and the second wiring.Type: ApplicationFiled: August 29, 2022Publication date: September 28, 2023Inventors: Naoharu SHIMOMURA, Tsuyoshi KONDO, Yoshihiro UEDA, Yasuaki OOTERA, Akihito YAMAMOTO, Mutsumi OKAJIMA, Masaki KADO, Tsutomu NAKANISHI, Nobuyuki UMETSU, Michael Arnaud QUINSAT
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Patent number: 11610617Abstract: A magnetic memory according to an embodiment includes: a first wiring and a second wiring; a first magnetic member having a first portion electrically connected to the first wiring and a second portion electrically connected to the second wiring, the first magnetic member extending in a first direction from the first portion to the second portion; a third wiring that is electrically insulated from the first magnetic member; and a control circuit electrically connected to the first wiring, the second wiring, and the third wiring, the control circuit supplying a current pulse, in which a trailing time is longer than a rising time, to the third wiring.Type: GrantFiled: June 16, 2021Date of Patent: March 21, 2023Assignee: Kioxia CorporationInventors: Naoharu Shimomura, Michael Arnaud Quinsat, Masahiro Koike
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Publication number: 20230076828Abstract: A magnetic memory of the present embodiment includes an electrode extending along a plane including a first direction and a second direction, a first wiring extending in the first direction, second wirings between the electrode and the first wiring, extending in the second direction and arranged in the first direction, first magnetic members each including a first part electrically connected to the first wiring and a second part electrically connected to the electrode, extending in a third direction, and being positioned between neighboring two of the second wirings when seen from the third direction, and a control circuit. When writing first information to one first magnetic member, the control circuit supplies first current to at least two second wirings positioned on one side of the one first magnetic member in the first direction.Type: ApplicationFiled: March 14, 2022Publication date: March 9, 2023Applicant: Kioxia CorporationInventors: Naoharu SHIMOMURA, Nobuyuki UMETSU, Tsuyoshi KONDO, Yoshihiro UEDA, Yasuaki OOTERA, Akihito YAMAMOTO, Mutsumi OKAJIMA, Masaki KADO, Tsutomo NAKANISHI, Michael Arnaud QUINSAT
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Publication number: 20220302208Abstract: A storage device includes: a memory unit and a first pillar. The first pillar includes: a first region having a third portion between a first and a second portion respectively having a first and a second maximum diameter, and having a first minimum diameter, the first and second portions defining a first distance; a second region having a sixth portion between a fourth and a fifth portion respectively having a third and a fourth maximum diameter, and having a second minimum diameter, the fourth and fifth portions defining a second distance; and a third region between the first and second regions, having a ninth portion between a seventh and an eighth portion respectively having a fifth and a sixth maximum diameter, and having a third minimum diameter, the seventh and eighth portions defining a third distance shorter than each of the first and second distances.Type: ApplicationFiled: September 3, 2021Publication date: September 22, 2022Applicant: Kioxia CorporationInventors: Tsutomu NAKANISHI, Yasuaki OOTERA, Nobuyuki UMETSU, Michael Arnaud QUINSAT, Masaki KADO, Susumu HASHIMOTO, Shiho NAKAMURA, Naoharu SHIMOMURA, Tsuyoshi KONDO, Mutsumi OKAJIMA
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Publication number: 20220302370Abstract: A magnetic memory according to en embodiment includes: a first and second wirings; an insulator portion; a magnetic member including: a first portion electrically connected to the first wiring; a second portion electrically connected to the second wiring; and a third portion disposed between the first and second portions, the magnetic member extending in a first direction from the first portion toward the second portion and surrounding the insulator portion, and in a cross-section parallel to the first direction and including part of the magnetic member and part of the insulator portion, a curvature of the first portion being smaller than a curvature of the third portion, a length of the first portion in the first direction being greater than half a length of the third portion in the first direction; and a control circuit electrically connected to the first and second wirings.Type: ApplicationFiled: September 10, 2021Publication date: September 22, 2022Applicant: Kioxia CorporationInventors: Nobuyuki UMETSU, Yasuaki OOTERA, Masaki KADO, Michael ARNAUD QUINSAT, Naoharu SHIMOMURA, Tsutomu NAKANISHI, Shiho NAKAMURA, Susumu HASHIMOTO, Tsuyoshi KONDO
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Patent number: 11417831Abstract: A magnetic memory according to an embodiment includes: a magnetic member including a first to third magnetic parts, the first magnetic part including a first portion and a second portion and extending in a first direction from the first portion to the second portion, the second magnetic part extending in a second direction that crosses the first direction, and the third magnetic part connecting the second magnetic part and the first portion; a first nonmagnetic metal layer arranged along the third magnetic part, the first nonmagnetic metal layer including a first end portion on a side of the second portion, a position of the first end portion along the first direction being between positions of the first and second portions along the first direction; and a first and second electrodes supplying a current between the first and second magnetic parts via the third magnetic part.Type: GrantFiled: August 13, 2019Date of Patent: August 16, 2022Assignee: KIOXIA CORPORATIONInventors: Nobuyuki Umetsu, Tsuyoshi Kondo, Masaki Kado, Shiho Nakamura, Susumu Hashimoto, Yasuaki Ootera, Michael Arnaud Quinsat, Masahiro Koike, Tsutomu Nakanishi, Megumi Yakabe, Agung Setiadi
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Publication number: 20220076723Abstract: A magnetic memory according to an embodiment includes: a first wiring and a second wiring; a first magnetic member having a first portion electrically connected to the first wiring and a second portion electrically connected to the second wiring, the first magnetic member extending in a first direction from the first portion to the second portion; a third wiring that is electrically insulated from the first magnetic member; and a control circuit electrically connected to the first wiring, the second wiring, and the third wiring, the control circuit supplying a current pulse, in which a trailing time is longer than a rising time, to the third wiring.Type: ApplicationFiled: June 16, 2021Publication date: March 10, 2022Applicant: Kioxia CorporationInventors: Naoharu SHIMOMURA, Michael ARNAUD QUINSAT, Masahiro KOIKE
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Patent number: 11232822Abstract: According to one embodiment, a magnetic memory includes a magnetic body with two portions of a first dimension in a first direction which are spaced from each other a second direction and another portion that has a second dimension less than the first dimension in the first direction, which is between the two other portions. A circuit supplies a shift pulse to the magnetic body. The shift pulse includes a first pulse and a second pulse and moves a domain wall in the magnetic body along the second direction. The first pulse has a first pulse width. The second pulse has a second pulse width less than the first pulse width. The second pulse is supplied to the magnetic body after the first pulse.Type: GrantFiled: September 2, 2020Date of Patent: January 25, 2022Assignee: KIOXIA CORPORATIONInventors: Michael Arnaud Quinsat, Tsuyoshi Kondo, Masahiro Koike, Shiho Nakamura, Susumu Hashimoto, Masaki Kado, Nobuyuki Umetsu, Yasuaki Ootera, Megumi Yakabe, Agung Setiadi, Shigeyuki Hirayama, Yoshihiro Ueda, Tsutomu Nakanishi
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Patent number: 11227646Abstract: According to one embodiment, a device includes a member including a first portion having a first dimension in first direction, a second portion spaced from the first portion and having a second dimension in the first direction, a third portion between the first and second portions and having a third dimension in the first direction, and a fourth portion between the first and third portions and having a fourth dimension in the first direction; and a circuit to supply a shift pulse including first and second pulses to the member and move a domain wall in the member. The third dimension is less than the first dimension. The second and fourth dimensions are less than the third dimension. A second value of the second pulse is less than a first value of the first pulse.Type: GrantFiled: September 11, 2020Date of Patent: January 18, 2022Assignee: KIOXIA CORPORATIONInventors: Masahiro Koike, Michael Arnaud Quinsat, Nobuyuki Umetsu, Tsutomu Nakanishi, Yasuaki Ootera, Tsuyoshi Kondo
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Publication number: 20210295889Abstract: According to one embodiment, a device includes a member including a first portion having a first dimension in first direction, a second portion spaced from the first portion and having a second dimension in the first direction, a third portion between the first and second portions and having a third dimension in the first direction, and a fourth portion between the first and third portions and having a fourth dimension in the first direction; and a circuit to supply a shift pulse including first and second pulses to the member and move a domain wall in the member. The third dimension is less than the first dimension. The second and fourth dimensions are less than the third dimension. A second value of the second pulse is less than a first value of the first pulse.Type: ApplicationFiled: September 11, 2020Publication date: September 23, 2021Applicant: Kioxia CorporationInventors: Masahiro Koike, Michael Arnaud Quinsat, Nobuyuki Umetsu, Tsutomu Nakanishi, Yasuaki Ootera, Tsuyoshi Kondo
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Patent number: 11120858Abstract: A magnetic memory according to an embodiment includes: a first wiring; a second wiring; a first switching element disposed between the first wiring and the second wiring; a first magnetic member extending in a first direction and disposed between the first switching element and the second wiring; a third wiring disposed between the first magnetic member and the second wiring; a first magnetoresistive element disposed between the third wiring and the second wiring; and a second switching element disposed between the first magnetoresistive element and the second wiring.Type: GrantFiled: June 29, 2020Date of Patent: September 14, 2021Assignee: Kioxia CorporationInventors: Yoshihiro Ueda, Michael Arnaud Quinsat
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Publication number: 20210249061Abstract: According to one embodiment, a magnetic memory includes a magnetic body with two portions of a first dimension in a first direction which are spaced from each other a second direction and another portion that has a second dimension less than the first dimension in the first direction, which is between the two other portions. A circuit supplies a shift pulse to the magnetic body. The shift pulse includes a first pulse and a second pulse and moves a domain wall in the magnetic body along the second direction. The first pulse has a first pulse width. The second pulse has a second pulse width less than the first pulse width. The second pulse is supplied to the magnetic body after the first pulse.Type: ApplicationFiled: September 2, 2020Publication date: August 12, 2021Inventors: Michael ARNAUD QUINSAT, Tsuyoshi Kondo, Masahiro Koike, Shiho Nakamura, Susumu Hashimoto, Masaki Kado, Nobuyuki Umetsu, Yasuaki Ootera, Megumi Yakabe, Agung Setiadi, Shigeyuki Hirayama, Yoshihiro Ueda, Tsutomu Nakanishi
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Publication number: 20210082484Abstract: A magnetic memory according to an embodiment includes: a first wiring; a second wiring; a first switching element disposed between the first wiring and the second wiring; a first magnetic member extending in a first direction and disposed between the first switching element and the second wiring; a third wiring disposed between the first magnetic member and the second wiring; a first magnetoresistive element disposed between the third wiring and the second wiring; and a second switching element disposed between the first magnetoresistive element and the second wiring.Type: ApplicationFiled: June 29, 2020Publication date: March 18, 2021Applicant: Kioxia CorporationInventors: Yoshihiro UEDA, Michael ARNAUD QUINSAT
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Patent number: 10916318Abstract: A magnetic storage device of an embodiment includes: a first magnetic part including a first portion and a second portion and extending in a first direction from the first portion to the second portion; a layered part which is stacked on the first magnetic part in a second direction intersecting with the first direction; a first electrode electrically connected with the first portion; and a second electrode electrically connected with the second portion. The layered part includes a first layer and a second layer which is disposed between the first layer and the first magnetic part, the second layer includes a metal oxide, and the first layer includes at least one selected from the group consisting of a metal nitride and a metal carbide.Type: GrantFiled: August 19, 2019Date of Patent: February 9, 2021Assignee: Toshiba Memory CorporationInventors: Susumu Hashimoto, Masaki Kado, Michael Arnaud Quinsat, Nobuyuki Umetsu, Tsuyoshi Kondo, Yasuaki Ootera, Shiho Nakamura
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Publication number: 20200303624Abstract: A magnetic memory according to an embodiment includes: a magnetic member including a first to third magnetic parts, the first magnetic part including a first portion and a second portion and extending in a first direction from the first portion to the second portion, the second magnetic part extending in a second direction that crosses the first direction, and the third magnetic part connecting the second magnetic part and the first portion; a first nonmagnetic metal layer arranged along the third magnetic part, the first nonmagnetic metal layer including a first end portion on a side of the second portion, a position of the first end portion along the first direction being between positions of the first and second portions along the first direction; and a first and second electrodes supplying a current between the first and second magnetic parts via the third magnetic part.Type: ApplicationFiled: August 13, 2019Publication date: September 24, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Nobuyuki UMETSU, Tsuyoshi Kondo, Masaki Kado, Shiho Nakamura, Susumu Hashimoto, Yasuaki Ootera, Michael Arnaud Quinsat, Masahiro Koike, Tsutomu Nakanishi, Megumi Yakabe, Agung Setiadi
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Publication number: 20200303026Abstract: A magnetic storage device of an embodiment includes: a first magnetic part including a first portion and a second portion and extending in a first direction from the first portion to the second portion; a layered part which is stacked on the first magnetic part in a second direction intersecting with the first direction; a first electrode electrically connected with the first portion; and a second electrode electrically connected with the second portion. The layered part includes a first layer and a second layer which is disposed between the first layer and the first magnetic part, the second layer includes a metal oxide, and the first layer includes at least one selected from the group consisting of a metal nitride and a metal carbide.Type: ApplicationFiled: August 19, 2019Publication date: September 24, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Susumu HASHIMOTO, Masaki KADO, Michael Arnaud QUINSAT, Nobuyuki UMETSU, Tsuyoshi KONDO, Yasuaki OOTERA, Shiho NAKAMURA
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Patent number: 10643683Abstract: According to one embodiment, there is provided a magnetic memory including a magnetic material column, a shift control circuit, and a write control circuit. The shift control circuit is connected to the magnetic material column. The write control circuit is configured to cause a current to flow through a write line passing near one end of the magnetic material column if writing data having a first value into the magnetic material column, and cause no current to flow through the write line if writing data having a second value into the magnetic material column.Type: GrantFiled: February 26, 2019Date of Patent: May 5, 2020Assignee: TOSHIBA MEMORY CORPORATIONInventors: Yoshihiro Ueda, Shinji Miyano, Michael Arnaud Quinsat, Tsuyoshi Kondo
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Publication number: 20200082863Abstract: According to one embodiment, there is provided a magnetic memory including a magnetic material column, a shift control circuit, and a write control circuit. The shift control circuit is connected to the magnetic material column. The write control circuit is configured to cause a current to flow through a write line passing near one end of the magnetic material column if writing data having a first value into the magnetic material column, and cause no current to flow through the write if writing data having a second value into the magnetic material column.Type: ApplicationFiled: February 26, 2019Publication date: March 12, 2020Applicant: TOSHIBA MEMORY CORPORATIONInventors: Yoshihiro Ueda, Shinji Miyano, Michael Arnaud Quinsat, Tsuyoshi Kondo