Patents Examined by Frank D Ducheneaux
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Patent number: 11932784Abstract: The present invention provides an adhesive composition for a dicing tape, which may prevent the success rate of chip pick-up from decreasing due to an oxygen inhibition phenomenon occurring in a dicing process, and a dicing tape including the same. The adhesive composition for a dicing tape includes an adhesive binder, a singlet oxygen scavenger, a photosensitizer, and a photoinitiator.Type: GrantFiled: August 13, 2020Date of Patent: March 19, 2024Assignee: LG CHEM, LTD.Inventors: Da Ae Kim, Ji Ho Han, Kwang Joo Lee, Eun Yeong Kim, Mi Jang
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Patent number: 11926769Abstract: A reactive PSA film that includes: (a) a polymeric film former matrix; (b) one or more reactive components; and (c) a reagent selected from an initiator, a curing agent and an activator. The component (b) is present at a mass fraction of ?30%, as based on the sum of (a), (b) and (c). Further, ?50 wt % of the film former matrix is a crystallizable polymer which: (i) exhibits a crystallization enthalpy of <1 J/g in a DSC measurement on cooling at 10K/min from at least 30K above a peak temperature of the melting peak of the polymer or ?100° C., whichever is greater; and (ii) exhibits a crystallite fusion enthalpy of ?15 mJ/mg in its pure state in a first heating curve of a DSC measurement at 10K/min and after storage for ?one month from 15 to 25° C. and relative humidity from 30 to 70%.Type: GrantFiled: June 29, 2021Date of Patent: March 12, 2024Assignee: tesa SEInventors: Klaus Keite-Telgenbüscher, Frank Hannemann, Claudia Moehrke, Stefan Kramp
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Patent number: 11912909Abstract: An acrylic emulsion pressure sensitive adhesive composition is provided. The acrylic emulsion pressure sensitive adhesive composition, due to pH-dependent properties, exhibits stable adhesion when attached to an adherend, but when it needs to be removed, it can be easily removed without residue using an alkaline solution. Thus, if the acrylic emulsion pressure sensitive adhesive composition is used as a pressure sensitive adhesive for a label of a plastic packaging article, the label can be easily removed during a recycling process, thus improving recycling efficiency.Type: GrantFiled: July 29, 2020Date of Patent: February 27, 2024Assignee: LG Chem, Ltd.Inventors: Yong Man Lee, Jin Young Ryu
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Patent number: 11850316Abstract: A self-disinfecting photocatalyst sheet includes a substrate material and a photocatalyst layer with a primary photocatalyst and a secondary photocatalyst. The primary photocatalyst is a metal oxide photocatalyst, whereas the secondary photocatalyst is a metallic photocatalyst. The substrate material binds the photocatalyst layer by either connecting a metal ion of the primary photocatalyst and/or the secondary photocatalyst through two oxygen atoms of a carboxyl group (COO), or by forming hydrogen bonds between a carbonyl group and a surface hydroxyl group (OH?) of the primary photocatalyst. The self-disinfecting photocatalyst sheet is activatable by a visible light and can self-disinfect against bacteria and viruses.Type: GrantFiled: June 19, 2021Date of Patent: December 26, 2023Assignee: Aleddra Inc.Inventors: Chia-Yiu Maa, Li-Jyuan Luo, Chun-Te Yu
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Patent number: 11814550Abstract: A method of using a self-stick insulation. The method includes providing a piece of insulation product with an adhesive coating. The adhesive coating includes polystyrene-maleic anhydride (SMA) and/or polyacrylic acid (PAA); an alcohol amine; and at least one of a polyvinyl alcohol and a starch. The adhesive coating is then activated with liquid water. Once the adhesive coating is active, the insulation product is attached to a surface with the adhesive coating.Type: GrantFiled: April 5, 2022Date of Patent: November 14, 2023Assignee: Johns ManvilleInventors: Thomas John Fellinger, Guodong Zheng, Ames Kulprathipanja, Jawed Asrar
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Patent number: 11801529Abstract: The present disclosure provides a product for preventing the deterioration of an adhesive layer and a method for manufacturing the product. The product comprises a first product housing, a second product housing, an adhesive layer, and a protective layer. The second product housing is opposite to the first product housing. A gap exists between the second product housing and the first product housing. The adhesive layer is disposed in the gap between the first product housing and the second product housing, adhering to the first product housing and the second product housing. The protective layer is disposed on the adhesive layer. The protective layer is disposed in the gap, covering the outer surface of the adhesive layer. The protective layer bonds and cross-links to the adhesive layer chemically.Type: GrantFiled: July 1, 2020Date of Patent: October 31, 2023Assignee: KUNSHAN LIANTAO ELECTRONIC CO., LTD.Inventors: Tao Wang, Hong Zhang, QingHong Zhao, Tao Jiang
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Patent number: 11760905Abstract: Brain motion monitoring systems and methods are disclosed that can detect interpret and/or display normal and abnormal brain motions. The devices and methods can detect Cerebrovascular Stenosis and provide for Noninvasive Intracranial Pressure Measurement.Type: GrantFiled: November 1, 2017Date of Patent: September 19, 2023Assignee: NIHON KOHDEN CORPORATIONInventors: Kirk Watson Beach, Mitsuhiro Oura
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Patent number: 11760907Abstract: The present disclosure relates to an adhesive film for a semiconductor and a dicing die-bonding film the same, and particularly, to an adhesive film for a semiconductor, which may reduce electromagnetic interference generated in a semiconductor package by including a polymer matrix in which a magnetic filler including a core and a coating layer formed on the surface of the core is dispersed, and a dicing die-bonding film including the same.Type: GrantFiled: August 17, 2021Date of Patent: September 19, 2023Assignee: LG CHEM, LTD.Inventors: Jong Min Jang, Kwang Joo Lee, Yu Lin Sun
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Patent number: 11739239Abstract: The present invention relates to a thermally crosslinkable composition comprising an acid-modified polymer A having a melting point of 110 to 150° C. and a crystallization temperature of 50 to 90° C., an acid-modified polymer B having a melting point of 30 to 110° C. and a crystallization temperature of lower than 50° C., a tackifier resin, and a curing agent, wherein the thermally crosslinkable composition has a crystallization temperature of 30 to 70° C.Type: GrantFiled: July 10, 2018Date of Patent: August 29, 2023Assignee: Sunstar Engineering Inc.Inventor: Yanmei Zhang
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Patent number: 11732160Abstract: A composite film for use in an LED wafer-level packaging process to facilitate adhesion of an LED wafer to a carrier and an LED wafer-level packaging process carried out with a heating process are introduced. The composite film includes a substrate including a first surface and a second surface; a heat-resisting pressure-sensing adhesive formed on the first surface of the substrate to allow the LED wafer to be adhered to the substrate; and a heat-resisting thermally-visbreaking pressure-sensing adhesive formed on the second surface of the substrate to allow the substrate to be adhered to the carrier. The heat-resisting thermally-visbreaking pressure-sensing adhesive undergoes the heating process to reduce its adhesiveness strength; thus, upon completion of the LED wafer-level packaging process, the carrier can be detached from the composite film easily.Type: GrantFiled: November 30, 2020Date of Patent: August 22, 2023Assignee: TAIMIDE TECHNOLOGY INCORPORATIONInventors: Chun-Chi Hsu, Chun-Ting Lai, Chih-Wei Lin
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Patent number: 11725126Abstract: Provided is a multilayer adhesive tape having excellent step coverage and reworkability. The multilayer adhesive tape sequentially includes: a first outer adhesive layer; an intermediate adhesive layer; and a second outer adhesive layer, in which the intermediate adhesive layer includes an intermediate adhesive polymer including: a polymerization unit of an alkyl group-containing (meth)acrylate monomer; a polymerization unit of a carboxyl group-containing monomer; and a polymerization unit of an acrylamide-based monomer.Type: GrantFiled: May 18, 2018Date of Patent: August 15, 2023Inventors: Jae Sung Hong, Dong Hoon Lim, Ju Yong Seo, Jun Man Choi, Woo Yeon Kim, Ho Kyung Song, Jang Soon Kim, Sle Lee, Kwang Su Seo
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Patent number: 11702571Abstract: An adhesive sheet for temporary fixation which may have excellent heat resistance to exhibit a sufficient adhesive force even though it undergoes a high temperature process during a process of manufacturing a semiconductor device and may also exhibit a sufficient reduction of the adhesive force by photocuring during the step of peeling off, and a method of manufacturing a semiconductor device using the same, are provided.Type: GrantFiled: March 28, 2019Date of Patent: July 18, 2023Assignee: LG CHEM, LTD.Inventors: Sera Kim, Ji Ho Han, Kwang Joo Lee
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Patent number: 11684518Abstract: An adhesive article that remains securely bonded to a substrate until a stimuli is applied. The article may be embodied as an adhesive tape, a bandage, or as other articles. The stimuli may be a change in temperature or application of a reduction that causes a structure within the article to break, creak, or otherwise disrupt to expose the adhesive to a solvent, such as via a difference in Coefficient of Thermal Expansion (CTE) or by exposing the article to a glass transition temperature.Type: GrantFiled: October 21, 2020Date of Patent: June 27, 2023Assignee: Genesis Medical Devices LLCInventors: Daniel Nick Segina, James A. Proctor, Jr.
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Patent number: 11655399Abstract: An adhesive film includes an adhesive film body, and a plurality of deformable particles dispersed in the adhesive film body. A volume of each of the plurality of deformable particles is capable of shrinking under a trigger condition.Type: GrantFiled: November 7, 2019Date of Patent: May 23, 2023Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ming Li, Kaimin Wang, Jie Xiang, Wei Li, Li Wang, Jing Wang, Zhiyong Yang, Fei Chen, Fei Li, Shuzhen Yang
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Patent number: 11578240Abstract: Adhesive tapes include a plasticized polyvinyl chloride backing, a primer including an ethylene/carbon monoxide-containing terpolymer and a styrene-containing block copolymer and an epoxidized polymer, and an adhesive.Type: GrantFiled: November 18, 2020Date of Patent: February 14, 2023Assignee: 3M INNOVATIVE PROPERTIES COMPANYInventors: Jeffrey O. Emslander, Ann R. Fornof, Rafael Garcia-Ramirez, Jay M. Krieger, Gregg A. Patnode, Robert B. Rosner, Christopher J. Rother, Jose P. de Souza, Jacob D. Young
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Patent number: 11571876Abstract: Embodiments are generally directed to dielectric film with pressure sensitive microcapsules of adhesion promoter. An embodiment of an apparatus includes a dielectric film, the dielectric film including a dielectric material layer; a layer of pressure sensitive microcapsules on a first side of the dielectric material layer, the microcapsules including an adhesion promoter; and a cover material on the layer of microcapsules. The pressure sensitive microcapsules are to rupture upon application of a certain rupture pressure.Type: GrantFiled: March 17, 2017Date of Patent: February 7, 2023Assignee: Intel CorporationInventors: Praneeth Akkinepally, Frank Truong, Dilan Seneviratne
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Patent number: 11566152Abstract: The invention relates to adhesive strips consisting of at least four, particularly precisely four layers, comprising: a layer A having an upper side and a lower side consisting of a foamed adhesive substance containing a self-adhesive acrylate substance; a layer B consisting of a film carrier, layer B being arranged on the lower side of layer A, at least the main surface which faces layer A, preferably both main surfaces of the film carrier, being etched, the surface of layer A and the surface of layer B being in direct contact with each other; a layer C consisting of a self-adhesive substance, arranged on the upper side of layer A and containing a self-adhesive acrylate substance; and a layer D consisting of a self-adhesive substance, arranged on the side of layer B opposite layer A and containing a self-adhesive acrylate substance.Type: GrantFiled: February 16, 2017Date of Patent: January 31, 2023Assignee: TESA SEInventors: Franciska Lohmann-Rademacher, Anika Petersen, Axel Burmeister, Mathias Hoser
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Patent number: 11478567Abstract: A photosensitive medical tape includes a backing layer that is at least partially transparent to a first spectrum of electromagnetic radiation. The photosensitive medical tape also includes a coupling layer disposed on a first side of the backing layer to provide adhesion of the photosensitive medical tape to the human skin. The photosensitive medical tape is disposed to absorb a second spectrum of electromagnetic radiation to decrease a strength of the adhesion provided by the coupling layer. The photosensitive medical tape is also flexible.Type: GrantFiled: November 21, 2016Date of Patent: October 25, 2022Assignee: University of WashingtonInventors: Eric J. Seibel, Leonard Nelson
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Patent number: 11459488Abstract: Compositions which are well suited for forming into machine direction orientation (MDO) films are described. Multilayer films containing one or more layers of the compositions and/or films are also described. Additionally, label assemblies utilizing the multilayer films, labeled substrates, and related methods are described. Various versions of the multilayer films are described including films having at least two skin layers and an interior core layer. Particular multilayer films are described having polyethylene rich cores.Type: GrantFiled: June 2, 2015Date of Patent: October 4, 2022Assignee: Avery Dennison CorporationInventors: Christopher J. Blackwell, Sara E. Porosky
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Patent number: 11459492Abstract: The present invention aims to provide an adhesive composition having excellent adhesive property and excellent anti-fogging property by way of simple and easy means such as co-extrusion with a substrate film, extrusion coating, solvent coating, etc. According to the present invention, there is provided an adhesive composition, characterized in that it contains a polyester resin (A) and an anti-fogging agent (C), and satisfies the following requirement (1): (1) Glass transition temperature of the polyester resin (A) is from ?30 to 30° C.Type: GrantFiled: January 17, 2018Date of Patent: October 4, 2022Assignee: TOYOBO CO., LTD.Inventors: Tadahiko Mikami, Masahito Tanigawa