Patents Examined by David E Smith
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Patent number: 11860074Abstract: The present invention relates to the field of microscopy, preferably electron microscopy. Especially, the present invention concerns an embedding medium for imaging a biological sample by microscopy comprising: from 60% to 99% wt. of a glycol dimethacrylate selected from alkylene glycol dimethacrylate and/or oligo(alkylene glycol) dimethacrylate; from 0% to 38% wt. of a polyalkylene glycol diacrylate or of a polyalkylene glycol methacrylate; said polyalkylene glycol diacrylate or polyalkylene glycol methacrylate being optionally substituted by at least one hydrophilic group such as hydroxyl, amino, or an oxo group; at least one additive, preferably comprising at least one heavy metal salt or lanthanide salt; and from 0.1% to 2% wt. of a radical polymerization initiator.Type: GrantFiled: March 15, 2019Date of Patent: January 2, 2024Assignee: CRYOCAPCELLInventor: Xavier Heiligenstein
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Patent number: 11862448Abstract: A CDMS may include an ion source to generate ions from a sample, a mass spectrometer to separate the generated ions as a function of ion mass-to-charge ratio, an electrostatic linear ion trap (ELIT) having a charge detection cylinder disposed between first and second ion mirrors, wherein ions exiting the mass spectrometer are supplied to the ELIT, a charge generator for generating free charges, a field free region between the charge generator and the charge detection cylinder, and a processor configured to control the charge generator, with no ions in the charge detection cylinder, to generate a target number of free charges and cause the target number of free charges to travel across the field-free region and into contact with the charge detection cylinder to deposit the target number of free charges thereon and thereby calibrate or reset the charge detection cylinder to a corresponding target charge level.Type: GrantFiled: January 4, 2023Date of Patent: January 2, 2024Assignee: THE TRUSTEES OF INDIANA UNIVERSITYInventors: Martin F. Jarrold, Andrew W. Alexander, Aaron R. Todd
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Patent number: 11852599Abstract: Provided is an image processing system capable of estimating a three-dimensional shape of a semiconductor pattern or a particle by solving problems of measurement reduction in a height direction and taking an enormous amount of time at a time of acquiring learning data. The image processing system according to the disclosure stores a detectable range of a detector provided in a charged particle beam device in a storage device in advance, generates a simulated image of a three-dimensional shape pattern using the detectable range, and learns a relationship between the simulated image and the three-dimensional shape pattern in advance.Type: GrantFiled: July 22, 2021Date of Patent: December 26, 2023Assignee: HITACHI HIGH-TECH CORPORATIONInventors: Nobuhiro Okai, Naomasa Suzuki, Muneyuki Fukuda
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Patent number: 11854765Abstract: Systems and methods of mitigating Coulomb effect in a multi-beam apparatus are disclosed. The multi-beam apparatus may include a charged-particle source configured to generate a primary charged-particle beam along a primary optical axis, a first aperture array comprising a first plurality of apertures having shapes and configured to generate a plurality of primary beamlets derived from the primary charged-particle beam, a condenser lens comprising a plane adjustable along the primary optical axis, and a second aperture array comprising a second plurality of apertures configured to generate probing beamlets corresponding to the plurality of beamlets, wherein each of the plurality of probing beamlets comprises a portion of charged particles of a corresponding primary beamlet based on at least a position of the plane of the condenser lens and a characteristic of the second aperture array.Type: GrantFiled: May 28, 2020Date of Patent: December 26, 2023Assignee: ASML Netherlands B.V.Inventors: Weiming Ren, Xuedong Liu, Xuerang Hu, Zhong-wei Chen, Martinus Gerardus Johannes Maria Maassen
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Patent number: 11848186Abstract: An inner source assembly for a mass spectrometer, the assembly comprising: a base; and a volume housing removably connectable to the base for retaining a repeller assembly therebetween, wherein one of the base and volume housing comprises at least two protrusions and the other of the volume housing and base comprises at least two corresponding slots to receive and retain said protrusions, wherein the protrusions are dissimilar to one another and/or the slots are dissimilar to one another.Type: GrantFiled: May 31, 2019Date of Patent: December 19, 2023Inventors: Alastair Booth, Alvin Chua, Carl Chen, Marcus Dawber, Enchen Guo, William Ngo, Dennis Ong, Richard Tyldesley-Worster, Arvind Rangan
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Patent number: 11841297Abstract: A method and system for sampling a solid sample material can include the step of mounting the sample material on a support. A sample surface is coated with a surface treatment composition in a dry deposition process. A solvent supply conduit for supplying solvent to the sample surface and a solvent exhaust conduit for withdrawing solvent from the sample surface can be provided. Solvent is flowed from the solvent supply conduit to the surface treatment composition and the sample surface such that the solvent contacts the surface treatment composition. A laser beam is directed from a laser source to the sample and the surface treatment composition. The laser beam will ablate the sample and the surface treatment composition in portions intersected by the laser beam. Ablated sample material enters the solvent liquid and will be transported with the solvent away from the sample surface through the solvent exhaust conduit.Type: GrantFiled: October 29, 2021Date of Patent: December 12, 2023Assignee: UT-BATTELLE, LLCInventors: Vilmos Kertesz, Bernadeta R. Srijanto, Charles P. Collier, John F. Cahill
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Patent number: 11843069Abstract: The present disclosure describes a detector used in critical dimension scanning electron microscopes (CD-SEM) and review SEM systems. In one embodiment, the detector includes a semiconductor structure having a p-n junction and a hole through which a scanning beam is passed to a target. The detector also includes a top electrode for the p-n junction (e.g., anode or cathode) that provides an active area for detecting electrons or electromagnetic radiation (e.g., backscattering from the target). The top electrode has a doped layer and can also have a buried portion beneath the doped layer to reduce a series resistance of the top electrode without changing the active area. In another embodiment, an isolation structure can be formed in the semiconductor structure near sidewalls of the hole to electrically isolate the active area from the sidewalls. A method for forming the buried portion of the top electrode is also described.Type: GrantFiled: December 4, 2019Date of Patent: December 12, 2023Assignee: ASML Netherlands B.V.Inventors: Gianpaolo Lorito, Stoyan Nihtianov, Xinqing Liang, Kenichi Kanai
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Patent number: 11844172Abstract: An illumination system includes a gas containment vessel configured to contain a gas. The illumination system also includes one or more pump sources configured to generate one or more pump beams. The illumination system includes an ozone generation unit including one or more illumination sources. The one or more illumination sources are configured to generate a beam of illumination of an energy sufficient for converting a portion of diatomic oxygen (O2) contained within the gas containment vessel to triatomic oxygen (O3). One or more energy sources are configured to ignite the plasma within the gas contained within the gas containment vessel via absorption of energy of the one or more energy sources by a portion of the triatomic oxygen, wherein the plasma emits broadband radiation.Type: GrantFiled: October 16, 2019Date of Patent: December 12, 2023Assignee: KLA CorporationInventors: John Szilagyi, Ilya Bezel
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Patent number: 11837454Abstract: In an embodiment, a laser ablation system can include a laser ablation cell and at least a pair of particle-collection-to-transport-tubing interfaces. The laser ablation cell can be configured for ablating a sample or another material, and the laser ablation cell can include a laser unit. The at least a pair of particle-collection-to-transport-tubing interfaces can be configured to gather an ablated sample and direct the ablated sample to an analysis unit. A selected particle-collection-to-transport-tubing interface can be received by the laser ablation cell directly above the laser unit. The at least a pair of particle-collection-to-transport-tubing interfaces can be configured to be interchangeable with one another.Type: GrantFiled: June 21, 2022Date of Patent: December 5, 2023Assignee: Elemental Scientific Lasers, LLCInventors: Ciaran J. O'Connor, Leif C. Summerfield
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Patent number: 11835528Abstract: The present disclosure pertains to method and system of characterizing a protein using an electrospray ionization source.Type: GrantFiled: December 23, 2021Date of Patent: December 5, 2023Assignee: Regeneron Pharmaceuticals, Inc.Inventor: Shunhai Wang
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Patent number: 11837437Abstract: A specimen machining device for machining a specimen by irradiating the specimen with an ion beam includes an ion source for irradiating the specimen with the ion beam, a specimen stage for holding the specimen, a camera for photographing the specimen, an information provision unit for providing information indicating an expected machining completion time, and a storage unit for storing past machining information. The information provision unit performs processing for calculating the expected machining completion time based on the past machining information, processing for acquiring an image photographed by the camera, processing for calculating a machining speed based on the acquired image, and processing for updating the expected machining completion time based on the machining speed.Type: GrantFiled: June 3, 2022Date of Patent: December 5, 2023Assignee: JEOL Ltd.Inventors: Tatsuhito Kimura, Munehiro Kozuka, Tsutomu Negishi, Hisashi Kawahara
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Patent number: 11830701Abstract: Systems and methods are provided for evacuating a chamber 101. The evacuation system comprises a cooler 320 coupled with the chamber and a controller 350. The controller is configured to determine whether a property of the cooler or the chamber satisfies one or more conditions. Based on the determination that the property satisfies the one or more conditions, the controller is configured to isolate the cooler from the chamber or control the temperature of the cooler to increase at one or more rates. The controller is further configured to control one or more pumps 330,340 to pump the chamber to a base pressure value.Type: GrantFiled: March 8, 2021Date of Patent: November 28, 2023Assignee: ASML Netherlands B.V.Inventor: Fangfu Li
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Patent number: 11823863Abstract: An ion implanter including a beam generation device that generates an ion beam, based on an implantation recipe, a plurality of measurement devices that measure beam currents of the ion beam, and a control device. The control device acquires a data set including the beam currents and an implantation parameter in the implantation recipe, and evaluates measurement validity of the beam currents of the ion beam by using the model. The implantation parameter may be one of ion species, beam energy, a beam current, a beam size, a wafer tilt angle, a wafer twist angle and an average dose. The model may be built based on a plurality of past data sets acquired during a plurality of implantation process based on the implantation recipe.Type: GrantFiled: October 25, 2022Date of Patent: November 21, 2023Assignee: SUMITOMO HEAVY INDUSTRIES ION TECHNOLOGY CO, LTD.Inventors: Kazuhisa Ishibashi, Tetsuya Kudo, Mikio Yamaguchi
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Patent number: 11823858Abstract: An ion implantation system has a mass analyzing magnet having interior and exterior region and defining a first entrance, second entrance, and an exit. A first ion source defines a first ion beam directed toward the first entrance along a first beam path. A second ion source defines a second ion beam directed toward the second entrance along a second beam path. A magnet current source supplies a magnet current to the mass analyzing magnet. Magnet control circuitry controls a polarity of the magnet current based on a formation of the first or second ion beam. The mass analyzing magnet mass analyzes the respective first or second ion beam to define defining a mass analyzed ion beam along a mass analyzed beam path. At least one shield in the interior or exterior region prevents line-of-sight between the first and second ion sources. Beamline components modify the mass analyzed ion beam.Type: GrantFiled: March 28, 2022Date of Patent: November 21, 2023Assignee: Axcelis Technologies, Inc.Inventors: Wilhelm Platow, Neil Bassom
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Patent number: 11822252Abstract: An extreme ultraviolet radiation (EUV) source, including: a vessel having an inner vessel wall and an intermediate focus (IF) region; an EUV collector disposed inside the vessel, the EUV collector including a reflective surface configured to reflect EUV radiation toward the intermediate focus region, the reflective surface configured to directionally face the IF region of the vessel; a showerhead disposed along at least a portion of the inner vessel wall, the showerhead including a plurality of nozzles configured to introduce gas into the vessel; and one or more exhausts configured to remove gas introduced into the vessel, the one or more exhausts being oriented along at least a portion of the inner vessel wall so that the gas is caused to flow away from the EUV collector.Type: GrantFiled: January 22, 2021Date of Patent: November 21, 2023Assignee: ASML NETHERLANDS B.V.Inventors: Dzmitry Labetski, Christianus Wilhelmus Johannes Berendsen, Rui Miguel Duarte Rodreigues Nunes, Alexander Igorevich Ershov, Kornelis Frits Feenstra, Igor Vladimirovich Fomenkov, Klaus Martin Hummler, Arun Johnkadaksham, Matthias Kraushaar, Andrew David Laforge, Marc Guy Langlois, Maksim Loginov, Yue Ma, Seyedmohammad Mojab, Kerim Nadir, Alexander Shatalov, John Tom Stewart, Henricus Gerardus Tegenbosch, Chunguang Xia
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Patent number: 11821685Abstract: The present invention is related to an UV LED curing apparatus, and more particularly, to an UV LED curing apparatus with improved housing and switch controller. The light reflective inner casing is preferably provided as an effective UV light reflector and as a supporting substrate of the UV LED light source while being capable of transmitting heat from the UV LED light source away for further heat dissipation to the ambient by the outer casing. The outer casing is detachably attached to the inner casing and allows a greater user interaction for decorative and entertainment purposes while also being a protective and heat dissipation means.Type: GrantFiled: September 9, 2019Date of Patent: November 21, 2023Assignee: Nail Alliance, LLCInventors: Danny Lee Haile, Kuo-Chang Cheng, Yu-Jen Li, Ya-Wen Wu, Pei-Chen Yang
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Patent number: 11821889Abstract: Methods are described for measuring the amount of a vitamin B2 in a sample. More specifically, mass spectrometric methods are described for detecting and quantifying vitamin B2 in a sample utilizing on-line extraction methods coupled with tandem mass spectrometric techniques.Type: GrantFiled: April 7, 2022Date of Patent: November 21, 2023Assignee: Quest Diagnostics Investments IncorporatedInventors: Changming Yang, Sum Chan
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Patent number: 11817229Abstract: A composite panel for a toxic material encapsulation system, comprising a reinforcing structure extending within and integrally formed with a non-biodegradable thermoplastic polymer.Type: GrantFiled: October 7, 2016Date of Patent: November 14, 2023Inventor: Mohammad Ali Sanagooy Moharrer
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Patent number: 11817300Abstract: A method of encoding a parent or precursor ion beam to aid product ion assignment is disclosed. According to an embodiment the energy of parent ions entering a collision cell 3 is progressively increased. Different species of parent ions fragment at different collision energies. Fragment ion intensity profiles are matched with parent ion intensity profiles to correlate fragment ions with corresponding parent ions.Type: GrantFiled: August 30, 2019Date of Patent: November 14, 2023Assignee: Micromass UK LimitedInventors: Kevin Giles, Martin Raymond Green, Keith Richardson, Jason Lee Wildgoose
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Patent number: 11810748Abstract: An ion gun according to one embodiment of the present invention has an anode, a cathode having a first portion and a second portion that face the anode, and a magnet that creates a spatial magnetic field between the first portion and the second portion. An annular gap including a curved portion is provided between the first portion and the second portion of the cathode. The magnet creates lines of magnetic field having the bottom inside with respect to the sectional center line of the gap between the first portion and the second portion of the curved portion.Type: GrantFiled: January 17, 2023Date of Patent: November 7, 2023Assignee: CANON ANELVA CORPORATIONInventors: Tsutomu Hiroishi, Reiji Sakamoto, Hiroshi Yakushiji