Patents Examined by Sarah K Salerno
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Patent number: 11894381Abstract: Structures and methods for trench isolation are disclosed. In one example, a silicon-on-insulator (SOI) structure is disclosed. The SOI structure includes: a substrate, a dielectric layer and a polysilicon region. The substrate includes: a handle layer, an insulation layer arranged over the handle layer, a buried layer arranged over the insulation layer, and a trench extending downward from an upper surface of the buried layer and terminating in the handle layer. The dielectric layer is located on a bottom surface of the trench and contacting the handle layer. The polysilicon region is located in the trench and contacting the dielectric layer.Type: GrantFiled: October 28, 2019Date of Patent: February 6, 2024Assignee: Taiwan Semiconductor Manufacturing Co., Ltd.Inventors: Kuan-Jung Chen, Tsung-Lin Lee, Chung-Ming Lin, Wen-Chih Chiang, Cheng-Hung Wang
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Patent number: 11882700Abstract: A semiconductor storage device includes first and second stacks, and first to fourth semiconductor layers. The first stack includes first conductive layers and first insulating layers alternately stacked in a first direction. The first semiconductor layer extends through the first stack. The second semiconductor layer extends in a second direction above the first stack and connected to the first semiconductor layer. The second stack includes second conductive layers and second insulating layers alternately stacked in the first direction. The first and second stacks are arranged in a third direction. The third semiconductor layer extends through the second stack. The fourth semiconductor layer extends in the second direction above the second stack and connected to the third semiconductor layer. A third conductive layer is in contact with upper surfaces of the second and fourth semiconductor layers. The second and fourth semiconductor layers are separated from each other in the third direction.Type: GrantFiled: March 1, 2021Date of Patent: January 23, 2024Assignee: Kioxia CorporationInventors: Yasuhito Yoshimizu, Hiroshi Nakaki
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Patent number: 11876097Abstract: A semiconductor device includes channel layers on a substrate, the channel layers being spaced apart from each other, and having first side surfaces and second side surfaces opposing each other in a first direction, a gate electrode surrounding the channel layers and having a first end portion and a second end portion, opposing each other in the first direction, and a source/drain layer on a first side of the gate electrode and in contact with the channel layers, a portion of the source/drain layer protruding further than the first end portion of the gate electrode in the first direction, wherein a first distance from the first end portion of the gate electrode to the first side surfaces of the channel layers is shorter than a second distance from the second end portion of the gate electrode to the second side surfaces of the channel layers.Type: GrantFiled: August 6, 2021Date of Patent: January 16, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Krishna Kumar Bhuwalka, Kyoung Min Choi, Takeshi Okagaki, Dong Won Kim, Jong Chol Kim
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Patent number: 11871566Abstract: A method used in forming a memory array comprising strings of memory cells comprises forming a stack comprising vertically-alternating first tiers and second tiers above a substrate. Horizontally-elongated trenches are formed into the stack to form laterally-spaced memory-block regions. Catalytic material is formed in a bottom region of individual of the trenches. Metal material is electrolessly deposited onto a catalytic surface of the catalytic material to individually fill at least a majority of remaining volume of the individual trenches. Channel-material strings are formed and extend through the first tiers and the second tiers. Other embodiments, including structure independent of method, are disclosed.Type: GrantFiled: February 1, 2022Date of Patent: January 9, 2024Inventors: Collin Howder, Chet E. Carter
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Patent number: 11870015Abstract: Aspects of the disclosure provide for light conversion devices incorporating quantum dots and methods of fabricating the same. In accordance with some embodiments of the present disclosure, a light conversion device is provided. The light conversion device may include. a porous structure comprising one or more nanoporous materials, wherein the one or more nanoporous materials comprise a plurality of pores; and a plurality of quantum dots placed in the porous structure, wherein the plurality of quantum dots comprises a first plurality of quantum dots configured to convert light of a first color into light of a second color, and a second plurality of quantum dots configured to convert the light of the first color into light of a third color. Each of the plurality of pores may have a nanoscale size. The nonporous materials may further include a matrix comprising a semiconductor material, glass, plastic, metal, polymer, etc.Type: GrantFiled: March 11, 2020Date of Patent: January 9, 2024Assignee: Saphlux, Inc.Inventors: Jie Song, Chen Chen
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Patent number: 11870016Abstract: A light emitting device is adapted to realize white light and includes a first light emitting diode chip emitting light having a first peak wavelength in the range of 400 nm to 420 nm, a second light emitting diode chip emitting light having a second peak wavelength in the range of 420 nm to 440 nm, and a wavelength converter covering the first and second light emitting diode chips. The wavelength converter including a blue phosphor, a green phosphor, and a red phosphor. When a maximum value of a spectral power distribution of the light emitting device or a maximum of a reference spectral power distribution of black body radiation is 100%, a difference between the spectral power distribution of the light emitting device and the reference spectral power distribution is less than 20% at each wavelength in the wavelength range of 440 nm to 640 nm.Type: GrantFiled: December 1, 2020Date of Patent: January 9, 2024Assignee: Seoul Semiconductor Co., Ltd.Inventor: Bo Yong Han
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Patent number: 11864383Abstract: A vertical-type memory device includes a plurality of gate electrodes stacked on a substrate; and a vertical channel structure penetrating through the plurality of gate electrodes in a first direction, perpendicular to an upper surface of the substrate. The vertical channel structure includes a channel extending in the first direction, a first filling film that partially fills an internal space of the channel, a first liner on at least a portion of an upper surface of the first filling film and an upper internal side wall of the channel extending beyond the first filling film away from the substrate. The first liner includes n-type impurities. The vertical channel structure includes a second filling film on at least a portion of the first liner, and a pad on the second filling film and in contact with the first liner.Type: GrantFiled: October 6, 2021Date of Patent: January 2, 2024Inventors: Eun Yeoung Choi, Hyung Joon Kim, Su Hyeong Lee, Jung Geun Jee
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Patent number: 11862555Abstract: There are provided a semiconductor device and a manufacturing method thereof. The semiconductor device includes: a stack structure including a plurality of interlayer insulating layers and a plurality of gate conductive layers, which are stacked in an alternating manner; at least one support structure penetrating the stack structure in a substantially vertical manner, the at least one support structure being formed in a contact region; and a contact plug penetrating the stack structure in a substantially vertical manner, the contact plug being formed in the contact region, the contact plug being connected to a contact pad that is disposed on the bottom of the stack structure. The at least one support structure is formed of an oxide layer.Type: GrantFiled: May 1, 2020Date of Patent: January 2, 2024Assignee: SK hynix Inc.Inventors: Jae Yoon Noh, Tae Kyung Kim, Hyo Sub Yeom, Jeong Yun Lee
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Patent number: 11862533Abstract: A package includes: at least one electronic chip; an encapsulant encapsulating at least part of the at least one electronic chip; a shielding layer on at least part of an external surface of the encapsulant; and a first heat removal body thermally coupled to the at least one electronic chip and configured for removing thermal energy from the at least one electronic chip to a cooling fluid. The encapsulant has a surface portion that extends in a surface region extending laterally directly adjacent to the first heat removal body. The surface portion of the encapsulant delimits part of a cooling cavity configured to guide the cooling fluid. The shielding layer covers the surface portion of the encapsulant. A corresponding electronic device, method of manufacturing the package, method of manufacturing the electronic device, vehicle, and method of using the electronic device are also described.Type: GrantFiled: December 21, 2021Date of Patent: January 2, 2024Assignee: Infineon Technologies AGInventors: Andreas Grassmann, Wolfram Hable, Juergen Hoegerl, Ivan Nikitin, Achim Strass
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Patent number: 11862759Abstract: Embodiments of the invention include an infrared-emitting phosphor comprising (La,Gd)3Ga5?x?yAlxSiO14:Cry, where 0?x?1 and 0.02?y?0.08. In some embodiments, the infrared-emitting phosphor is a calcium gallogermanate material. In some embodiments, the infrared-emitting phosphor is used with a second infrared-emitting phosphor. The second infrared-emitting phosphor is one or more chromium doped garnets of composition Gd3?x1Sc2?x2?yLux1+x2Ga3O12:Cry, where 0.02?x1?0.25, 0.05?x2?0.3 and 0.04?y?0.12.Type: GrantFiled: September 2, 2020Date of Patent: January 2, 2024Assignee: Lumileds LLCInventors: Peter Josef Schmidt, Rob Engelen, Thomas Diederich
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Patent number: 11855213Abstract: A method includes forming a fin over a substrate, forming a dummy gate structure over the fin, removing a portion of the fin adjacent the dummy gate structure to form a first recess, depositing a stressor material in the first recess, removing at least a portion of the stressor material from the first recess, and after removing the at least a portion of the stressor material, epitaxially growing a source/drain region in the first recess.Type: GrantFiled: April 4, 2022Date of Patent: December 26, 2023Assignee: Taiwan Semiconductor Manufacturing Company, Ltd.Inventors: Hsin-Hao Yeh, Fu-Ting Yen
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Patent number: 11855023Abstract: A wafer level fan out semiconductor device and a manufacturing method thereof are provided. A first sealing part is formed on lateral surfaces of a semiconductor die. A plurality of redistribution layers are formed on surfaces of the semiconductor die and the first sealing part, and solder balls are attached to the redistribution layers. The solder balls are arrayed on the semiconductor die and the first sealing part. In addition, a second sealing part is formed on the semiconductor die, the first sealing part and lower portions of the solder balls. The solder balls are exposed to the outside through the second sealing part. Since the first sealing part and the second sealing part are formed of materials having thermal expansion coefficients which are the same as or similar to each other, warpage occurring to the wafer level fan out semiconductor device can be suppressed.Type: GrantFiled: January 25, 2021Date of Patent: December 26, 2023Assignee: AMKOR TECHNOLOGY SINGAPORE HOLDING PTE. LTD.Inventors: Boo Yang Jung, Jong Sik Paek, Choon Heung Lee, In Bae Park, Sang Won Kim, Sung Kyu Kim, Sang Gyu Lee
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Patent number: 11856750Abstract: A semiconductor arrangement includes a logic region and a memory region. The memory region has an active region that includes a semiconductor device. The memory region also has a capacitor within one or more dielectric layers over the active region, where the capacitor is over the semiconductor device. The semiconductor arrangement also includes a protective ring within at least one of the logic region or the memory region and that separates the logic region from the memory region. The capacitor has a first electrode, a second electrode and an insulating layer between the first electrode and the second electrode, where the first electrode is substantially larger than other portions of the capacitor.Type: GrantFiled: May 17, 2021Date of Patent: December 26, 2023Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LIMITEDInventors: Chern-Yow Hsu, Chen-Jong Wang, Chia-Shiung Tsai, Shih-Chang Liu, Xiaomeng Chen
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Patent number: 11844222Abstract: At least one vertically alternating sequence of continuous insulating layers and continuous sacrificial material layers is formed over a substrate. Rows of backside support pillar structures are formed through the at least one vertically alternating sequence. Memory stack structures are formed through the at least one vertically alternating sequence. A two-dimensional array of discrete backside trenches is formed through the at least one vertically alternating sequence. Contiguous combinations of a subset of the backside trenches and a subset of the backside support pillar structures divide the at least one vertically alternating sequence into alternating stacks of insulating layers and sacrificial material layers. The sacrificial material layers are replaced with electrically conductive layers while the backside support pillar structures provide structural support to the insulating layers.Type: GrantFiled: January 12, 2021Date of Patent: December 12, 2023Assignee: SANDISK TECHNOLOGIES LLCInventors: Shunsuke Takuma, Yuji Totoki, Seiji Shimabukuro, Tatsuya Hinoue, Kengo Kajiwara, Akihiro Tobioka
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Patent number: 11831067Abstract: According to an embodiment, an electronic apparatus includes a substrate, a semiconductor device, a non-conductive portion, first and second metal films, and a rechargeable battery. The semiconductor device is mounted on a first surface of the substrate and includes a wireless circuit. The non-conductive portion is formed on the first surface to seal the semiconductor device. The first metal film is provided along a surface of the non-conductive portion and at least one edge surface of the substrate to contact at the edge surface with a first-wire disposed on the substrate. The second metal film is provided along the surface of the non-conductive portion and the edge surface and separately from the first metal film to contact at the edge surface with a second-wire disposed on the substrate. The rechargeable battery includes first and second electrodes electrically connected to the first-wire and to the second-wire, respectively.Type: GrantFiled: February 27, 2020Date of Patent: November 28, 2023Assignee: KABUSHIKI KAISHA TOSHIBAInventor: Keiju Yamada
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Patent number: 11824144Abstract: A light emitting device is adapted to realize white light and includes a first light emitting diode chip emitting light having a first peak wavelength in the range of 400 nm to 420 nm, a second light emitting diode chip emitting light having a second peak wavelength in the range of 420 nm to 440 nm, and a wavelength converter covering the first and second light emitting diode chips. The wavelength converter including a blue phosphor, a green phosphor, and a red phosphor. When a maximum value of a spectral power distribution of the light emitting device or a maximum of a reference spectral power distribution of black body radiation is 100%, a difference between the spectral power distribution of the light emitting device and the reference spectral power distribution is less than 20% at each wavelength in the wavelength range of 440 nm to 640 nm.Type: GrantFiled: December 1, 2020Date of Patent: November 21, 2023Assignee: Seoul Semiconductor Co., Ltd.Inventor: Bo Yong Han
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Patent number: 11821886Abstract: A system for detecting the concentration of metal particles of at least one first material, which includes a detector with: a semiconductor body including a cathode region, delimited by a front surface; and an anode structure made of metal material, which extends over a part of the cathode region, leaving part of the front surface exposed. The anode structure and the part of the cathode region form a first contact of a Schottky type. The exposed part of the front surface can access the metal particles.Type: GrantFiled: November 15, 2019Date of Patent: November 21, 2023Assignee: STMICROELECTRONICS S.R.L.Inventors: Massimo Cataldo Mazzillo, Antonella Sciuto
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Patent number: 11818885Abstract: According to an embodiment, a semiconductor memory device includes a first conductive layer and second conductive layers arranged at intervals in a first direction above the first conductive layer. A semiconductor layer extends in the first direction in the second conductive layers to be in contact with the first conductive layer. A charge storage layer is between the semiconductor layer and the second conductive layers. A metal layer extends in the first direction and a second direction above the first conductive layer, and separates the second conductive layers. The device further includes an insulating layer. The insulating layer includes a portion between the metal layer and the first conductive layer and a portion between the metal layer and the second conductive layers.Type: GrantFiled: February 24, 2020Date of Patent: November 14, 2023Assignee: Kioxia CorporationInventor: Takamasa Ito
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Patent number: 11804577Abstract: Provided is a glass that is used in a phosphor-containing wavelength conversion material and from which can be produced a wavelength conversion member less degraded in characteristics of a phosphor owing to firing during production of the wavelength conversion member and having excellent weather resistance. The glass is for use in a wavelength conversion material and contains, in terms of % by mass, 30 to 75% SiO2, 1 to 30% B2O3, over 4 to 20% Al2O3, 0.1 to 10% Li2O, 0 to below 9% Na2O+K2O, and 0 to 10% MgO+CaO+SrO+BaO+ZnO.Type: GrantFiled: August 22, 2018Date of Patent: October 31, 2023Assignee: NIPPON ELECTRIC GLASS CO., LTD.Inventors: Takahiro Matano, Tamio Ando, Yoshihisa Takayama
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Patent number: 11800706Abstract: Some embodiments include an integrated assembly having a conductive expanse over conductive nodes. The conductive nodes include a first composition. A bottom surface of the conductive expanse includes a second composition which is different composition than the first composition. A stack is over the conductive expanse. The stack includes alternating first and second levels. Pillar structures extend vertically through the stack. Each of the pillar structures includes a post of conductive material laterally surrounded by an insulative liner. At least one of the posts extends through the conductive expanse to directly contact one of the conductive nodes. Some embodiments include methods of forming integrated assemblies.Type: GrantFiled: August 6, 2021Date of Patent: October 24, 2023Inventors: Shuangqiang Luo, Indra V. Chary, Justin B. Dorhout, Rita J. Klein