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公开(公告)号：WO2022231308A1
公开(公告)日：2022-11-03
申请号：PCT/KR2022/006034
申请日：2022-04-27
Applicant: GLOBALWAFERS CO., LTD.
Inventor： CHOI, Cheulwon , KIM, Jongsun , KWEON, Hyoshik , LEE, Jaehoon , LEE, Byungchul , LEE, Minkyu
Abstract: Methods and apparatus for simultaneous double-side grinding semiconductor structures are disclosed. The double-side grinding apparatus may include first and second grinding wheels each having abrasive members that are shaped as a convex polygon (e.g., convex pentagon).
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公开(公告)号：WO2022186745A1
公开(公告)日：2022-09-09
申请号：PCT/SE2022/050129
申请日：2022-02-07
Applicant: HUSQVARNA AB
Inventor： RENNESON, Martin , NIJS, Tristan , TURBIC, Tijana , ANDERSSON, Henrik
Abstract: An abrasive tool (200) for a floor grinder, the abrasive tool (200) comprising an attachment plate (230) arranged to releasably attach to a tool holder of the floor grinder, the abrasive tool (200) also comprising an abrasive tool section (220) at least partly formed in an abrasive material, wherein the attachment plate (230) comprises a supporting surface (235) at least partly formed in a plastic material, wherein the supporting surface (235) is configured to align with a corresponding surface (510) on the abrasive tool section (220), wherein the attachment plate (230) and the abrasive tool section (220) are held together by one or more welds.
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公开(公告)号：WO2022101746A1
公开(公告)日：2022-05-19
申请号：PCT/IB2021/060220
申请日：2021-11-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： PEREZ, Mario A. , LIN, Binhong , MARTINEZ, Jaime A.
Abstract: A curable composition comprises at least one cyclic olefin capable of undergoing ring opening metathesis polymerization; at least one ring opening metathesis polymerization catalyst or precursor catalyst thereof; abrasive particles having surface hydroxyl groups; and a difunctional coupling agent represented by the structure Z-X-Z (I). Each Z independently represents a group that is chemically reactive with at least one of the surface hydroxyl groups of one of the abrasive particles thereby forming at least one covalent bond. X represents a divalent organic linking group have a number average molecular weight of 500 to 10000 grams per mole.
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公开(公告)号：WO2022034443A1
公开(公告)日：2022-02-17
申请号：PCT/IB2021/057167
申请日：2021-08-04
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： LIU, Yuyang , ZHANG, Jing , LI, Junting
IPC: B24D3/28 , B24B55/06 , B24D3/32 , B24D11/00 , B24D11/02 , B24D18/00 , B24D3/00 , B24B37/22 , B24B37/24
Abstract: An abrasive article comprises: a substrate comprising strands forming first void spaces between strands; a laminate joined to the substrate, wherein the laminate comprises a surface opposite to the substrate; a resin composition joined to the surface of the laminate. First and second portions of the surface of the laminate have respective first and second surface free energies that are different. Another abrasive article comprises: a substrate comprising strands forming first void spaces between strands; a laminate joined to the substrate, wherein the laminate comprises a first polymer and a second polymer; a resin composition joined to the laminate; In both embodiments, abrasive particles are joined to the resin composition, and a plurality of second void spaces extends through the laminate coinciding with first void spaces in the porous substrate. A method of making abrasive articles is also disclosed.
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公开(公告)号：WO2022022906A1
公开(公告)日：2022-02-03
申请号：PCT/EP2021/067352
申请日：2021-06-24
Applicant: ROBERT BOSCH GMBH
Inventor： HUBER, Johannes , DROST, Ruben
Abstract: Die Erfindung betrifft ein Verfahren zur Herstellung eines Schleifartikels (10) mit strukturierten Schleifbereichen (22). Erfindungsgemäß umfasst das Verfahren die Verfahrensschritte Bereitstellen einer Schleifartikelunterlage (14), Beschichten der Schleifartikelunterlage (14) mit einem Bindemittel (16), ortsaufgelöstes Aktivieren oder Deaktivieren des Bindemittels (16) und Bestreuen der Schleifartikelunterlage (14) mit Schleifkörnern (12). Ferner wird ein entsprechend hergestellter Schleifartikel (10) vorgeschlagen.
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Patent Agency Ranking
公开(公告)号：WO2021217046A1
公开(公告)日：2021-10-28
申请号：PCT/US2021/028913
申请日：2021-04-23
Applicant: SAINT-GOBAIN ABRASIVES, INC. , SAINT-GOBAIN ABRASIFS
Inventor： TANIKELLA, Brahmanandam V. , LANG, William F. , RUTKIEWICZ, Brian P. , ARCONA, Christopher , GEBB II, David Martin , MAASSEL, Anna , SARANGI, Nilanjan , TADEPALLI, Rajappa , TELLIER, Laurent , O'ROURKE, William C. , MOERKERKE, Robrecht , DE MEYER, Christy , PINGLAY, Sharvanti , CASTAGNA, Alicia M. , SAHLIN, Katherine M.
Abstract: An abrasive article including a body having abrasive particles contained in a bond material and an antiviral layer or a barrier layer overlying at least a portion of the body. The barrier layer can include an antiviral thin film.
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公开(公告)号：WO2021186350A1
公开(公告)日：2021-09-23
申请号：PCT/IB2021/052190
申请日：2021-03-16
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： BEVERIDGE, Jacob S. , MUNOZ, German E. , DAVELOOSE, Paul N.
Abstract: A dual sided abrasive article is presented that includes a first side with a first abrading face and a second side, with a second abrading face. The second side is opposite the first side and separated by a thickness. The article also includes a center hole extending from the first side to the second side through the thickness. The article also includes a fastener for coupling the abrasive article to a powered tool, the fastener positioned within the center hole.
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8.发明申请
公开(公告)号：WO2021161332A1
公开(公告)日：2021-08-19
申请号：PCT/IN2021/050115
申请日：2021-02-04
Inventor： GHOSH, Amitava , MUKHOPADHYAY, Prithviraj , SIMHAN, D Raghava
Abstract: A system and method for developing uni-layered brazed grinding wheels by placing cBN/Diamond abrasive grits in a pre-defined array using pick-drop-place (PDP) technique, as discussed in greater detail herein. The system and method provides an approach for manufacturing uni-layer brazed cBN/Diamond grinding wheel in a convenient and precise way of transferring individual cBN/Diamond grits from source to substrate surface with good control on grit protrusion height from the wheel base surface, prevent clustering of grits, and offers a high flexibility in adopting any predefined pattern for arranging diamond grits without using any template.
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公开(公告)号：WO2021161129A1
公开(公告)日：2021-08-19
申请号：PCT/IB2021/050793
申请日：2021-02-01
Applicant: 3M INNOVATIVE PROPERTIES COMPANY
Inventor： THURBER, Ernest L. , SORENSON, Gregory P. , GORODISHER, Ilya , NELSON, Thomas J. , LI, Junting , LENTZ, Daniel M.
Abstract: A coated abrasive article comprises a backing having first and second opposed major surfaces, a make layer disposed on at least a portion of the first major surface and bonding abrasive particles to the backing, a size layer overlaid on at least a portion of the make layer and the abrasive particles, and an optional supersize layer. At least one of the size layer or the optional supersize layer comprises an at least partially cured resole phenolic resin and an organic polymeric rheology modifier, and wherein the amount of the at least partially cured resole phenolic resin comprises from 75 to 99.99 weight percent of the combined weight of the at least partially cured resole phenolic resin and the organic polymeric rheology modifier. A method of making the coated abrasive article is also disclosed.
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公开(公告)号：WO2021119319A1
公开(公告)日：2021-06-17
申请号：PCT/US2020/064322
申请日：2020-12-10
Applicant: SAINT-GOBAIN ABRASIVES, INC. , SAINT-GOBAIN ABRASIFS
Inventor： SARANGI, Nilanjan , KENIAR, Khoudor , LEBRUN, Jean-Marie , RAPAKA, Srikanth , MINGAY, Kallie Gray
Abstract: In one embodiment, an abrasive body can comprise a first surface having a first developed interfacial area ratio (Sdr1) and a second surface having a second developed interfacial area ratio (Sdr2), and wherein the Sdr1 is at least 35% different than the Sdr2.
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