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公开(公告)号：US20240351882A1
公开(公告)日：2024-10-24
申请号：US18664412
申请日：2024-05-15
Applicant: ALPHA ASSEMBLY SOLUTIONS INC.
Inventor： Nirmalya Kumar CHAKI , Barun DAS , Supriya DEVARAJAN , Siuli SARKAR , Rahul RAUT , Bawa SINGH , Ranjit PANDHER , Oscar KHASELEV
Abstract: A method of synthesizing high quality graphene for producing graphene particles and flakes is presented. The engineered qualities of the graphene include size, aspect ratio, edge definition, surface functionalization and controlling the number of layers. Fewer defects are found in the end graphene product in comparison to previous methods. The inventive method of producing graphene is less aggressive, lower cost and more environmentally friendly than previous methods. This method is applicable to both laboratory scale and high volume manufacturing for producing high quality graphene flakes.
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公开(公告)号：US20230374289A1
公开(公告)日：2023-11-23
申请号：US18247996
申请日：2021-10-07
Applicant: ALPHA ASSEMBLY SOLUTIONS INC.
Inventor： Nirmalya Kumar CHAKI , Chetan Pravinchandra SHAH , Bawa SINGH , Rahul RAUT , Vasuki Srinivas KAUSHIK , Ranjit PANDHER , Niveditha NAGARAJAN , Sandeesh M KUMAR , Anubhav RUSTOGI
IPC: C08L61/28 , C08K7/18 , C09D11/103 , C09D11/104 , C09J183/04 , C09D11/033 , C09J11/08
CPC classification number: C08L61/28 , C08K7/18 , C09D11/103 , C09D11/104 , C09J183/04 , C09D11/033 , C09J11/08 , C08L2205/035 , C08L2312/00 , C08L2201/50 , C08L2201/52 , C08K2201/001 , C08K2201/005 , C08K2201/006
Abstract: A composition for use in the manufacture of an in-mould electronic (IME) component, the composition containing a binder comprising: a cross-linking agent comprising melamine formaldehyde, a thermoplastic resin comprising a hydroxyl group, and a solvent.
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Patent Agency Ranking
公开(公告)号：US20210283727A1
公开(公告)日：2021-09-16
申请号：US17286704
申请日：2019-10-23
Applicant: ALPHA ASSEMBLY SOLUTIONS INC.
Inventor： Rahul RAUT , Nirmalyakumar CHAKI , Bawa SINGH , Ranjit PANDHER , Siuli SARKAR
IPC: B23K35/26 , B23K35/02 , B23K35/362
Abstract: A solder alloy comprising: from 40 to 65 wt. % bismuth; from I to IO wt. % indium; at least one of: from 0.1 to 5 wt. % gallium, from 0.1 to 5 wt. % zinc, from 0.1 to 2 wt. % copper, from 0.01 to 0.1 wt. % cobalt, from 0.1 to 2 wt. % silver, from 0.005 to 0.05 wt. % titanium, and from 0.01 to 1 wt. % nickel; optionally up to 1 wt. % of one or more of: vanadium, rare earth metals, neodymium, chromium, iron, aluminium, phosphorus, gold, tellurium, selenium, calcium, vanadium, molybdenum, platinum, magnesium, silicon, and manganese; and the balance tin together with any unavoidable impurities.
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4.发明公开公开(公告)号：US20230287232A1
公开(公告)日：2023-09-14
申请号：US18113812
申请日：2023-02-24
Applicant: Alpha Assembly Solutions Inc. , MacDermid Autotype Limited
Inventor： Nirmalya Kumar CHAKI , Chetan Pravinchandra SHAH , Barun DAS , Supriya DEVARAJAN , Siuli SARKAR , Rahul RAUT , Bawa SINGH , Anubhav RUSTOGI , Anna Jane HARRIS , Keith Paul PARSONS , Jeffrey William BRAHAM
IPC: C09D11/52 , C09D11/033 , C09D11/037 , C09D11/104 , H01H13/704
CPC classification number: C09D11/52 , C09D11/033 , C09D11/037 , C09D11/104 , H01H13/704 , H01H2209/016
Abstract: This invention discloses formulations of mutually compatible sets of graphene, graphene-carbon, metal and dielectric inks for the fabrication of high performance membrane touch switches (MTS). The compositions of these inks are optimized to achieve higher degree of compatibility with highly engineered polymeric substrates, thereby offering a holistic solution for fabricating high-performance MTS. These sets of materials can also be used for fabrication of sensors, biosensors and RFIDs on flexible substrates, such as polymers and papers.
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公开(公告)号：US20220371089A1
公开(公告)日：2022-11-24
申请号：US17754125
申请日：2020-09-24
Applicant: Alpha Assembly Solutions Inc.
Inventor： Shamik GHOSHAL , Nirmalya Kumar CHAKI , Remya CHANDRAN , Manoharan VENODH , Bawa SINGH , Barun DAS , Niveditha NAGARAJAN , Rahul RAUT , Oscar KHASELEV , Ranjit PANDHER , Supriya DEVARAJAN , Anubhav RUSTOGI
IPC: B22F7/04 , B22F1/107 , B22F9/30 , H05K1/09 , H05K3/12 , H01B13/012 , H05K3/34 , H01L23/00 , H01B1/02 , B23K35/30
Abstract: A sintering composition, consisting essentially of: a solvent; and a metal complex dissolved in the solvent, wherein: the sintering composition contains at least 60 wt. % of the metal complex, based on the total weight of the sintering composition; and the sintering composition contains at least 20 wt. % of the metal of the metal complex, based on the total weight of the sintering composition.
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公开(公告)号：US20210162496A1
公开(公告)日：2021-06-03
申请号：US17255289
申请日：2019-06-21
Applicant: ALPHA ASSEMBLY SOLUTIONS INC.
Inventor： Shamik GHOSAL , Remya CHANDRAN , Venodh MANOHARAN , Siuli SARKAR , Bawa SINGH , Rahul RAUT
Abstract: A sintering powder comprising copper particles, wherein: the particles are at least partially coated with a capping agent, and the particles exhibit a D10 of greater than or equal to 100 nm and a D90 of less than or equal to 2000 nm.
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7.发明申请公开(公告)号：US20200087528A1
公开(公告)日：2020-03-19
申请号：US16616701
申请日：2018-05-22
Applicant: Alpha Assembly Solutions Inc. , MacDermid Autotype Limited
Inventor： Nirmalya Kumar CHAKI , Chetan Pravinchandra SHAH , Barun DAS , Supriya DEVARAJAN , Siuli SARKAR , Rahul RAUT , Bawa SINGH , Anubhav RUSTOGI , Anna Jane HARRIS , Keith Paul PARSONS , Jeffrey William BRAHAM
IPC: C09D11/52 , C09D11/037 , C09D11/033 , C09D11/104 , H01H13/704
Abstract: This invention discloses formulations of mutually compatible sets of graphene, graphene-carbon, metal and dielectric inks for the fabrication of high performance membrane touch switches (MTS). The compositions of these inks are optimized to achieve higher degree of compatibility with highly engineered polymeric substrates, thereby offering a holistic solution for fabricating high-performance MTS. These sets of materials can also be used for fabrication of sensors, biosensors and RFIDs on flexible substrates, such as polymers and papers.
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