Patents Examined by Shamim Ahmed
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Patent number: 11967489Abstract: A plasma source may include a plasma chamber, where the plasma chamber has a first side, defining a first plane and an extraction assembly, disposed adjacent to the side of the plasma chamber, where the extraction assembly includes at least two electrodes. A first electrode may be disposed immediately adjacent the side of the plasma chamber, wherein a second electrode defines a vertical displacement from the first electrode along a first direction, perpendicular to the first plane, wherein the first electrode comprises a first aperture, and the second electrode comprises a second aperture. The first aperture may define a lateral displacement from the second aperture along a second direction, parallel to the first plane, wherein the vertical displacement and the lateral displacement define a non-zero angle of inclination with respect to a perpendicular to the first plane.Type: GrantFiled: October 29, 2021Date of Patent: April 23, 2024Assignee: Applied Materials, Inc.Inventors: Peter F. Kurunczi, Morgan Evans, Joseph C. Olson
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Patent number: 11960204Abstract: Asymmetric structures formed on a substrate and microlithographic methods for forming such structures. Each of the structures has a first side surface and a second side surface, opposite the first side surface. A profile of the first side surface is asymmetric with respect to a profile of the second side surface. The structures on the substrate are useful as a diffraction pattern for an optical device.Type: GrantFiled: August 15, 2022Date of Patent: April 16, 2024Assignee: Molecular Imprints, Inc.Inventor: Vikramjit Singh
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Patent number: 11961773Abstract: A method of etching into a one or more epitaxial layers of respective semiconductor material(s) in a vertical cavity surface emitting laser (VCSEL) semiconductor structure, wherein the or each semiconductor material is a III-V semiconductor material, a III-N semiconductor material, or a II-VI semiconductor material is disclosed. The method comprises placing a substrate having the semiconductor structure thereon onto a support table in a plasma processing chamber, the semiconductor structure carrying a patterned mask on the surface of the semiconductor structure distal from the support table.Type: GrantFiled: July 17, 2019Date of Patent: April 16, 2024Inventors: Ligang Deng, Katie Hore
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Patent number: 11951743Abstract: A method for producing a silicon substrate comprising a silicon base material; and a wiring formation layer laminated on a base material surface of the silicon base material, and being provided with a wiring member, an electrode member comprising a noble metal, and a close contact member comprising a base metal between the wiring member and the electrode member, wherein the method comprises a step of forming a deposition film by a fluorocarbon gas, in etching of the silicon substrate; and a removal step of removing, by a removal solution, the deposition film formed by the fluorocarbon gas; the removal solution comprises a primary amine and an organic polar solvent; a content of water in the removal solution is 10 mass % or lower; and a content of tetramethylammonium hydroxide in the removal solution is 1 mass % or lower.Type: GrantFiled: July 19, 2022Date of Patent: April 9, 2024Assignee: Canon Kabushiki KaishaInventor: Atsunori Terasaki
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Patent number: 11952666Abstract: A method for producing an abrasion-resistant coating on the inner wall of an aluminum alloy workpiece is provide. The steps include mixing a graphene powder and Al powder to obtain a mixed powder; combining and heating the mixed power with a polyvinyl alcohol (PVA) liquid, and performing spray granulation to obtain a low-temperature self-propagating composite; stirring a slurry comprising the low-temperature self-propagating composite and sodium silicate; injecting the slurry into a cylindrical inner cavity of an aluminum alloy workpiece mounted on a horizontal rotary table for rotation, the aluminum alloy workpiece is heated with the rotation at a second temperature of 80-100° C. so that the slurry is uniformly solidified on the cylindrical inner surface of the cylindrical inner cavity; and burning the slurry, after the slurry is uniformly solidified and while the rotation is maintained, with an oxyacetylene flame to form the wear-resistant coating.Type: GrantFiled: June 17, 2020Date of Patent: April 9, 2024Assignee: AECC BEIJING INSTITUTE OF AERONAUTICAL MATERIALSInventors: Haoliang Tian, Yang Yu, Changliang Wang, Mengqiu Guo, Zimin Zhou, Zhihui Tang, Ang Zhang, Yongjing Cui, Tianying Wang, Junguo Gao
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Patent number: 11948614Abstract: The present disclosure relates to methods of manufacturing at least a portion of a magnetic layer of a magnetic recording disk. The methods include forming a plurality of sacrificial, discrete structures via imprint lithography. The sacrificial, discrete structures are used to form a plurality of three-dimensional segregant structures in a magnetic layer of the magnetic recording disk. The present disclosure also relates to corresponding magnetic recording disks.Type: GrantFiled: February 21, 2022Date of Patent: April 2, 2024Assignee: Seagate Technology LLCInventors: Xiaomin Yang, Kim Yang Lee, Thomas Young Chang, ShuaiGang Xiao, Sha Zhu
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Patent number: 11950372Abstract: Methods of making metal patterns on flexible substrates are provided. Releasable solid layer is selectively formed on a patterned surface of the flexible substrate by applying a liquid solution thereon. Metal patterns on the flexible substrate can be formed by removing the releasable solid layer after metallization. In some cases, the releasable solid layer can be transferred from the patterned surface to a transfer layer where the metal patterns are formed.Type: GrantFiled: June 27, 2019Date of Patent: April 2, 2024Assignee: 3M INNOVATION PROPERTIESInventors: Henrik B. van Lengerich, Matthew S. Stay, Caleb T. Nelson, David J. Tarnowski, David J. Rowe, Edwin L. Kusilek
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Patent number: 11938511Abstract: A coating method includes supplying a film forming liquid onto a center of a front surface of a substrate from a nozzle in a state that a distance between the front surface and the nozzle is maintained at a coating distance; rotating the substrate at a first rotation speed in a period during which the film forming liquid is supplied onto the front surface, to allow the film forming liquid to be diffused toward an edge of the substrate from an outer periphery of the nozzle; and rotating the substrate at a second rotation speed after the supplying of the film forming liquid is stopped, to allow the film forming liquid to be further diffused. The coating distance is set to allow the film forming liquid to be kept between the nozzle and the front surface when a discharge of the film forming liquid is stopped.Type: GrantFiled: June 30, 2022Date of Patent: March 26, 2024Assignee: TOKYO ELECTRON LIMITEDInventors: Masatoshi Kawakita, Yusaku Hashimoto, Kosuke Yoshihara
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Patent number: 11939672Abstract: A nanoscale plate structure includes base plates and rib plates with nanoscale thickness and macroscopic lateral dimensions. The base plate resides in the first plane, the ribs can reside out-of-plane and form at least one strengthening rib, and additional base plates can reside in planes parallel to the first plane. The strengthening rib can be patterned such that there is no straight line path extending through a lateral dimension of the plate structure that does not intersect the at least one base plate and the at least one strengthening rib. The plates and ribs used in the structure have a thickness between about 1 nm and about 100 nm. The plate structures can be fabricated using a conformal deposition method including atomic layer deposition.Type: GrantFiled: December 3, 2021Date of Patent: March 26, 2024Assignee: THE TRUSTEES OF THE UNIVERSITY OF PENNSYLVANIAInventors: Igor Bargatin, Keivan Davami
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Patent number: 11931774Abstract: Disclosed is a method for treating wood veneer, including the steps of providing at least one sheet of wood veneer; coating at least one side of the sheet of wood veneer with an aqueous coating composition including nanocellulose to obtain a coated sheet of wood veneer; and drying the coated sheet using compression pressure and heat. Also disclosed is a coated wood veneer including a sheet of wood veneer and a coating including nanocellulose arranged on at least one surface of the sheet.Type: GrantFiled: January 16, 2019Date of Patent: March 19, 2024Assignees: TEKNOLOGIAN TUTKIMUSKESKUS VTT OY, AALTO UNIVERSITY FOUNDATION SRInventors: Jaakko Pere, Vesa Kunnari, Matti Kairi, Pekka Ahtila
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Patent number: 11926113Abstract: An optical element and a method for manufacturing the optical element are described. The optical element includes a transparent substrate, an optical layer, and an adhesive layer. The optical layer is located on a surface of the transparent substrate. The optical layer has a first surface and a second surface, which are opposite to each other. The first surface is set with various diffracting optical structures. A refractive index of the optical layer is equal to or greater than 1.4. The adhesive layer is sandwiched between the surface of the transparent substrate and the second surface of the optical layer.Type: GrantFiled: August 3, 2022Date of Patent: March 12, 2024Assignee: HIMAX TECHNOLOGIES LIMITEDInventors: Han Yi Kuo, Shu-Hao Hsu, Yin Tung Lu
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Patent number: 11926523Abstract: Embodiments of the disclosure provide methods for microfabricating an omni-view peripheral scanning system. One exemplary method may include separately fabricating a reflector and a scanning MEMS mirror, and then bonding the microfabricated reflector with the scanning MEMS mirror to form the omni-view peripheral scanning system. The microfabricated reflector may include a cone-shaped bottom portion, and a via hole across the cone-shaped bottom portion. The microfabricated scanning MEMS mirror may include a MEMS actuation platform and a scanning mirror supported by the MEMS actuation platform. The scanning MEMS mirror may face the cone-shaped bottom portion of the reflector when forming the omni-view peripheral scanning system.Type: GrantFiled: September 9, 2021Date of Patent: March 12, 2024Assignee: BEIJING VOYAGER TECHNOLOGY CO., LTD.Inventors: Youmin Wang, Yue Lu
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Patent number: 11913119Abstract: A manufacturing method is provided during which a preform component for a turbine engine is provided. The preform component includes a substrate and a locating feature at an exterior surface of the substrate. An outer coating is applied over the substrate. The outer coating covers the locating feature. At least a portion of the preform component and the outer coating are scanned with an imaging system to provide scan data indicative of a location of the locating feature. A cooling aperture is formed in the substrate and the outer coating based on the scan data.Type: GrantFiled: August 13, 2021Date of Patent: February 27, 2024Assignee: RTX CORPORATIONInventors: Brian Craig, James M. Koonankeil, Brian T. Hazel, Paul E. Denney, Dominic J. Mongillo
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Patent number: 11915926Abstract: A porous thin film includes a framework that includes a plurality of pores. The pores extend from an opening located at an upper surface of the framework to a bottom surface contained in the framework. A pore-coating film is formed on sidewalls and the bottom surface of the pores.Type: GrantFiled: September 27, 2021Date of Patent: February 27, 2024Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Leonidas Ernesto Ocola, Eric A. Joseph, Hiroyuki Miyazoe, Takashi Ando, Damon Brooks Farmer
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Patent number: 11915952Abstract: The present application provides a temperature control method, an apparatus, an electronic device and a storage medium for an etching workbench. A real-time temperature of an etching workbench and a real-time temperature of a temperature control fluid are acquired firstly; then, a temperature control instruction is determined according to the real-time temperature of the etching workbench, the real-time temperature of the temperature control fluid and a limit temperature; and finally, in response to the temperature control instruction, a target operating temperature of the etching workbench is stabilized within a preset range by a circulating temperature control fluid loop.Type: GrantFiled: June 7, 2021Date of Patent: February 27, 2024Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.Inventors: Yong Fang, Chien Chung Wang
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Patent number: 11905598Abstract: An object is to coat a target position on a substrate with a dense film. In order to achieve the object, while a substrate on which a base containing a coating material is formed is transported, an auxiliary agent is applied to the substrate, and then a main agent containing a coating material is applied to the substrate to react the main agent with the auxiliary agent, so that a portion on the substrate where the base is formed is coated with the coating material.Type: GrantFiled: September 2, 2022Date of Patent: February 20, 2024Assignee: FUJIFILM CorporationInventors: Eijiro Iwase, Keio Okano, Katsuyuki Nukui
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Patent number: 11905592Abstract: In various aspects of the disclosure, a method of operating a process group that performs at least a first reactive coating process and a second reactive coating process may comprise: coating of a substrate by means of the first reactive coating process and by means of the second reactive coating process; closed-loop control of the process group by means of a first manipulated variable of the first coating process and a second manipulated variable of the second coating process and using a correction element; wherein the correction element relates the first manipulated variable and the second manipulated variable to one another in such a way that their control values are different from one another.Type: GrantFiled: September 2, 2020Date of Patent: February 20, 2024Inventors: Ralf Biedermann, Bernd Teichert, Thomas Meyer, Torsten Dsaak
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Patent number: 11906763Abstract: A method of fabricating a blazed diffraction grating comprises providing a master template substrate and imprinting periodically repeating lines on the master template substrate in a plurality of master template regions. The periodically repeating lines in different ones of the master template regions extend in different directions. The method additionally comprises using at least one of the master template regions as a master template to imprint at least one blazed diffraction grating pattern on a grating substrate.Type: GrantFiled: July 19, 2022Date of Patent: February 20, 2024Assignee: Magic Leap, Inc.Inventors: Shuqiang Yang, Kang Luo, Vikramjit Singh, Frank Y. Xu
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Patent number: 11901192Abstract: To provide an etching processing method and an etching processing apparatus which allow an aluminum oxide film to be etched with high accuracy and with a high selectivity to each of a silicon oxide film and a silicon nitride film, the etching processing method includes the step of placing, in a processing chamber, a wafer having the aluminum oxide film disposed on an upper surface thereof, maintaining the wafer at a temperature of ?20° C. or less, and supplying vapor of hydrogen fluoride from a plurality of through holes in a plate-like member disposed above the upper surface of the wafer with a predetermined gap being provided therebetween only for a predetermined period to etch the aluminum oxide film.Type: GrantFiled: June 30, 2020Date of Patent: February 13, 2024Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Hiroto Otake, Takashi Hattori
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Patent number: 11892676Abstract: Embodiments described herein provide for methods of forming angled optical device structures. The methods described herein utilize etching a mandrel material with an etch chemistry that is selective to the hardmask, i.e., the mandrel material is etched at a higher rate than the hardmask. Therefore, mandrel trenches are formed in the mandrel material. Device material of the angled optical device structures to be formed is deposited on the plurality of angled mandrels. An angled etch process is performed on portions of the device material such that the angled optical device structures are formed.Type: GrantFiled: January 10, 2022Date of Patent: February 6, 2024Assignee: Applied Materials, Inc.Inventors: Rutger Meyer Timmerman Thijssen, Ludovic Godet