Patent application number | Description | Published |
20100124627 | DOUBLE-COATED PRESSURE SENSITIVE ADHESIVE SHEET FOR FIXING HARD DISK DRIVE COMPONENT AND HARD DISK DRIVE - Disclosed is a double-coated pressure-sensitive adhesive sheet adopted to fix a hard disk drive component, which includes a pressure-sensitive adhesive unit including a plastic film base having a thickness of 20 μm or less and pressure-sensitive adhesive layers arranged on or above both sides of the plastic film base; and non-silicone release liners arranged on both surfaces of the pressure-sensitive adhesive unit. The pressure-sensitive adhesive unit has a thickness of 60 μm or less, and the double-coated pressure-sensitive adhesive sheet shows an outgassing of 1 μg/cm | 05-20-2010 |
20100143711 | Double-faced pressure-sensitive adhesive tape - Provided is a double-faced pressure-sensitive adhesive tape superior in processability and workability during operation in solar cell modules. | 06-10-2010 |
20100183872 | Double-coated pressure sensitive adhesive sheet for fixing flexible printed circuit board - Disclosed is a double-coated pressure-sensitive adhesive sheet for fixing a flexible printed circuit board, which includes at least a pressure-sensitive adhesive unit including a plastic base film having a thickness of 13 μm or less, and pressure-sensitive adhesive layers on both sides of the plastic base film. The pressure-sensitive adhesive layers are formed from an acrylic polymer containing, as essential monomer components, a polar-group-containing monomer and an alkyl (meth)acrylate whose alkyl moiety being a linear or branched-chain alkyl group having 2 to 14 carbon atoms. The pressure-sensitive adhesive unit has a thickness of 60 μm or less, the double-coated pressure-sensitive adhesive sheet shows an outgassing of 1 μg/cm | 07-22-2010 |
20100209649 | Double-coated pressure sensitive adhesive sheet - Disclosed is a double-coated pressure-sensitive adhesive sheet which includes at least a pressure-sensitive adhesive unit including a plastic base film and, present on or above both surfaces thereof, pressure-sensitive adhesive layers; and non-silicone release liners present on both surfaces of the pressure-sensitive adhesive unit. The pressure-sensitive adhesive layers are each formed from an acrylic polymer containing, as essential monomer components, an alkyl (meth)acrylate whose alkyl moiety being a linear or branched-chain alkyl group having 2 to 14 carbon atoms and a polar-group-containing monomer. The pressure-sensitive adhesive unit has a thickness of 60 to 160 μm, and each of the two pressure-sensitive adhesive layers of the pressure-sensitive adhesive unit has a thickness of 20 μm or more. The adhesive sheet excels in processability and fittability around bumps and is usable for fixing a flexible printed circuit board or for fixing a hard disk drive component. | 08-19-2010 |
20110061923 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE AND WIRING CIRCUIT BOARD - A double-sided pressure-sensitive adhesive tape includes a nonwoven fabric substrate and pressure-sensitive adhesive layers present on both sides of the substrate, in which the nonwoven fabric substrate contains at least Manila hemp, has a thickness of 18 μm or less, and has a tensile strength in a machine direction of 4 N/15 mm or more. The double-sided pressure-sensitive adhesive tape is thin and is effective for the reduction in size and thickness of products to be fixed through the tape. The tape has a high strength in the machine direction and does not break during production and processing processes. In addition, the tape has a nonwoven fabric substrate and thereby excels also in punching quality. The tape is therefore particularly useful as a double-sided pressure-sensitive adhesive tape for fixing a wiring circuit board. | 03-17-2011 |
20110094771 | Electroconductive pressure-sensitive adhesive tape - The present invention has an object to provide an electroconductive pressure-sensitive adhesive tape that does not cause separator lifting. In particular, it is an object of the present invention to provide an electroconductive pressure-sensitive adhesive tape that does not cause separator lifting even when the tape is wound into a roll shape or has a long length and that has excellent protective properties for the pressure-sensitive adhesive layer and excellent handling properties. The electroconductive pressure-sensitive adhesive tape of the present invention includes an electroconductive pressure-sensitive adhesive tape main body having a pressure-sensitive adhesive layer on one side of a metal foil and a terminal formed on the metal foil and penetrating the pressure-sensitive adhesive layer, and includes a separator provided on a surface of the pressure-sensitive adhesive layer and having an elongation of 600% or more in the longitudinal direction. | 04-28-2011 |
20120009399 | Double-sided pressure-sensitive adhesive sheet for fixing flexible printed circuit board and method for manufacturing the same - Disclosed is a double-sided pressure-sensitive adhesive sheet for fixing a flexible printed circuit board, which has silicone release liners, but is less polluting and excels in workability. The double-sided pressure-sensitive adhesive sheet for fixing a flexible printed circuit board includes at least a pressure-sensitive adhesive unit including a substrate and pressure-sensitive adhesive layers present on or above both sides of the substrate; and silicone release liners present on or above both surfaces of the pressure-sensitive adhesive unit, in which the pressure-sensitive adhesive layers each include an acrylic polymer based on, as an essential monomer component, an alkyl (meth)acrylate whose alkyl moiety being a linear or branched-chain alkyl group having 1 to 14 carbon atoms, the pressure-sensitive adhesive unit has a thickness of 60 μm or less, and the adhesive sheet evolves siloxane gas, if any, in an amount of 1 ng/cm | 01-12-2012 |
20120055545 | CONDUCTIVE ADHESIVE MEMBER AND SOLAR CELL MODULE - A conductive adhesive member includes a conductive region continuously exposed along one direction, and an adhesive region exposed along the conductive region. | 03-08-2012 |
20120111622 | Double-Sided Pressure-Sensitive Adhesive Tape or Sheet For Use In Wiring Circuit Board And Wiring Circuit Board Having The Double-Sided Pressure-Sensitive Ahesive Tape - The present invention relates to a double-sided pressure-sensitive adhesive tape or sheet for use in a wiring circuit board, which includes a pressure-sensitive adhesive layer formed of a pressure-sensitive adhesive composition comprising an acrylic polymer and a tackifier resin containing a phenolic hydroxyl group; and a release liner comprising a releasing treatment layer formed of a silicone release agent. The double-sided pressure-sensitive adhesive tape or sheet of the invention has a good adhesiveness and, even after a high-temperature step, it is capable of exerting an excellent anti-repulsion property. Further, since the release liner can be easily peeled off even after the high-temperature step, the workability is excellent and the productivity is improved. | 05-10-2012 |
20120160539 | CONDUCTIVE ADHESIVE TAPE - A conductive adhesive tape includes a conductive layer, and an adhesive layer formed on the surface of the conductive layer. In the adhesive layer, an adhesive layer through-hole penetrating the adhesive layer in the thickness direction thereof is formed. The conductive layer includes a conductive layer passage portion formed in the adhesive layer through-hole. A low melting point metal layer is provided at an end face of the conductive layer passage portion, the end face reaching surface of the adhesive layer. | 06-28-2012 |
20120270002 | PRESSURE-SENSITIVE ADHESIVE TAPE FOR FLEXIBLE PRINTED CIRCUIT - The present invention provides a pressure-sensitive adhesive tape for a flexible printed circuit, from which a release liner can be released without being torn off even after being subjected to a high temperature process such as a solder reflow process. The pressure-sensitive adhesive tape of the present invention includes: a pressure-sensitive adhesive layer; and a release liner on at least one surface of the pressure-sensitive adhesive layer, wherein a tensile strength of the release liner in a machine direction is 50 MPa to 150 MPa, and a tensile strength of the release liner in a machine direction after heating at 280° C. for 5 min is 20 MPa to 120 MPa. | 10-25-2012 |
20120325518 | CONDUCTIVE THERMOSETTING ADHESIVE TAPE - Disclosed is a conductive adhesive tape which can exhibit extremely stable electroconductivity upon use over a long duration and/or use under severe environmental conditions even when applied in a small area. The conductive thermosetting adhesive tape includes a metallic foil; and a thermosetting adhesive layer on one side of the metallic foil. The thermosetting adhesive layer has a bond strength before curing of 2 N/20 mm or more and a bond strength after curing of 10 N/20 mm or more. The conductive thermosetting adhesive tape is preferably one including the metallic foil; the thermosetting adhesive layer on one side of the metallic foil; and a terminal exposed from the surface of the thermosetting adhesive layer, in which the conductive thermosetting adhesive tape has a total area of the terminal present per 30 mm | 12-27-2012 |
20130040132 | CONDUCTIVE ADHESIVE TAPE - A conductive adhesive tape includes a conductive layer; an adhesive layer formed at one side in the thickness direction of the conductive layer and containing an adhesive and a conductive filler; and a metal layer interposed between the conductive layer and the adhesive layer. The maximum resistance value in the first cycle measured in a heat cycle test is 0.1Ω or less, and the resistance value increase rate is 100% or less. | 02-14-2013 |
20130142982 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE SHEET - There is provided a double-sided pressure-sensitive adhesive sheet including a pressure-sensitive adhesive body having pressure-sensitive adhesive faces (a) and (b) on both sides thereof, and a release liner (A) provided at least on the pressure-sensitive adhesive face (a) of the pressure-sensitive adhesive body. The release liner (A) includes a paper-based base material and a release layer on a face of the paper-based base material, the release layer being in contact with the pressure-sensitive adhesive face (a). The ratio of an interlayer strength of the release liner (A) with respect to a peeling force of the release liner (A) in a peeling test at 90° with respect to the pressure-sensitive adhesive face (a) is 15 or more. The double-sided pressure-sensitive adhesive sheet may preferably be used as a double-sided pressure-sensitive adhesive sheet for a flexible printed circuit board. | 06-06-2013 |
Patent application number | Description | Published |
20080248231 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET FOR USE IN WIRING CIRCUIT BOARD AND WIRING CIRCUIT BOARD HAVING THE DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE - The present invention relates to a double-sided pressure-sensitive adhesive tape or sheet for use in a wiring circuit board, which includes a pressure-sensitive adhesive layer formed of a pressure-sensitive adhesive composition comprising an acrylic polymer and a tackifier resin containing a phenolic hydroxyl group; and a release liner comprising a releasing treatment layer formed of a silicone release agent. The double-sided pressure-sensitive adhesive tape or sheet of the invention has a good adhesiveness and, even after a high-temperature step, it is capable of exerting an excellent anti-repulsion property. Further, since the release liner can be easily peeled off even after the high-temperature step, the workability is excellent and the productivity is improved. | 10-09-2008 |
20090095516 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET FOR USE IN WIRING CIRCUIT BOARD AND WIRING CIRCUIT BOARD - The present invention provides a double-sided pressure-sensitive adhesive tape or sheet for use in wiring circuit board, which includes a pressure-sensitive adhesive layer formed by a pressure-sensitive adhesive composition containing an acrylic polymer as a main component, in which the double-sided pressure-sensitive adhesive tape or sheet has an amount of total outgas of 250 μg/g or less and a diffusion amount of toluene of 10 μg/g or less. The double-sided pressure-sensitive adhesive tape or sheet has a small generating amount of VOC as well as excellent punching processing property and anti-repulsion property. | 04-16-2009 |
20090095517 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET FOR WIRING CIRCUIT BOARD AND WIRING CIRCUIT BOARD - The present invention provides a double-sided pressure-sensitive adhesive tape or sheet for wiring circuit board, which includes a pressure-sensitive adhesive layer formed by a pressure-sensitive adhesive composition, wherein the pressure-sensitive adhesive composition contains an acrylic polymer as a main component and further contains an electrically conductive filler in a proportion of 5 to 100 parts by weight with respect to 100 parts by weight of a total solid in the pressure-sensitive adhesive composition except the electrically conductive filler. The double-sided pressure-sensitive adhesive tape or sheet is excellent in adhesiveness, electrically conducting property and anti-repulsion property, and thus can be advantageously used for wiring circuit board. | 04-16-2009 |
20090263606 | THERMOSETTING ADHESIVE OR PRESSURE-SENSITIVE ADHESIVE TAPE OR SHEET - The present invention provides a thermosetting adhesive or pressure-sensitive adhesive tape or sheet including: a thermosetting adhesive or pressure-sensitive adhesive layer formed of a thermosetting adhesive or pressure-sensitive adhesive composition containing an acrylic polymer (X) constituted of, as essential monomer components, an alkyl (meth)acrylate (a) in which the alkyl moiety thereof has from 2 to 14 carbon atoms and a cyano group-containing monomer (b), and a phenol resin (Y); and provided on at least one surface of the thermosetting adhesive or pressure-sensitive adhesive layer, a release liner including a plastic film substrate and a release layer provided on at least one side of the plastic film substrate, the release layer containing low density polyethylene as a major component and having a thickness of 5 μm or more and less than 20 μm. | 10-22-2009 |
20120055700 | DOUBLE-SIDED PRESSURE-SENSITIVE ADHESIVE TAPE FOR FIXING FLEXIBLE PRINTED CIRCUIT BOARD AND FLEXIBLE PRINTED CIRCUIT BOARD WITH THE SAME - Provided is a double-sided pressure-sensitive adhesive tape for fixing a flexible printed circuit board superior in adhesive power after bonding under low pressure and also in repelling resistance after processing in high-temperature steps. The double sided pressure-sensitive adhesive tape for fixing a flexible printed circuit board according to the present invention has a 180° peel adhesion, as determined by bonding the adhesive tape onto a stainless steel plate under pressure by one reciprocation of a 10-g roller, leaving it still for 5 minutes and measuring it at a tensile speed of 300 mm/minute, of 6.5 N/20 mm or more and a terminal separation distance after reflow of 2.5 mm or less. | 03-08-2012 |
20120111612 | THERMOSETTING ADHESIVE TAPE OR SHEET, AND FLEXIBLE PRINTED CIRCUIT BOARD - The present invention provides a thermosetting adhesive tape or sheet having a thermosetting adhesive layer, which can be stored stably at room temperature, and, when thermally cured, can exert excellent adhesiveness and high thermal stability after exposure to heat and moist, because the resin in the adhesive rapidly reacts upon curing. The thermosetting adhesive tape or sheet according to the present invention includes a thermosetting adhesive layer which has a gel fraction of less than 70%, a difference in gel fraction between before and after storage at 40° C. for 7 days [(gel fraction after storage at 40° C. for 7 days)−(gel fraction before storage at 40° C. for 7 days)] of 15% or less, and a gel fraction after curing at 150° C. for 1 hour of 90% or more. | 05-10-2012 |
20120114937 | INSULATING TAPE - An object of the present invention is to provide an insulating tape that is superior in less-corrosive property and provides its product containing the insulating tape with favorable reliability even when it is used under severer environment for an extended period of time. The insulating tape according to the present invention includes a plastic film base material and a pressure-sensitive adhesive layer including an acrylic polymer on or above at least one face of the plastic film base material, wherein the pressure-sensitive adhesive layer has a moisture content, as determined after storage in an environment at 60° C. and 90% RH for 24 hours, of less than 0.15 wt % and monomer components constituting the acrylic polymer contain substantially no carboxyl group-containing monomer. | 05-10-2012 |
20120308815 | ELECTROCONDUCTIVE PRESSURE-SENSITIVE ADHESIVE TAPE - Provided is an electroconductive pressure-sensitive adhesive tape which is satisfactorily less corrosive and is capable of maintaining stable electrical conductivity over the long term. The electroconductive pressure-sensitive adhesive tape has at least one acrylic pressure-sensitive adhesive layer. The electroconductive pressure-sensitive adhesive tape has a volume resistance of 1×10 | 12-06-2012 |
20130004767 | ELECTROCONDUCTIVE PRESSURE-SENSITIVE ADHESIVE TAPE - Provided is an electroconductive pressure-sensitive adhesive tape which can exhibit stable electrical conductivity even when used over a long duration and/or used under severe environmental conditions. The electroconductive pressure-sensitive adhesive tape has a metallic foil and, on one side thereof, a pressure-sensitive adhesive layer, in which the electroconductive pressure-sensitive adhesive tape has a maximum resistance in the first cycle of 1 Ω or less and has a maximum resistance in the 200th cycle being 5 times or less the maximum resistance in the first cycle, as measured in a thermo-cycle test. | 01-03-2013 |
20140243472 | SURFACE PROTECTIVE FILM - Provided is a surface protective film including, as an outermost layer, a pressure-sensitive adhesive layer containing a urethane-based pressure-sensitive adhesive as a main component, the surface protective film allowing the contamination of an adherend to be extremely suppressed, and being preferably excellent in wettability and reworkability. The surface protective film of the present invention includes, as an outermost layer, a pressure-sensitive adhesive layer containing, as a main component, a urethane-based pressure-sensitive adhesive containing a polyurethane-based resin; and when a pressure-sensitive adhesive layer side of the surface protective film is attached to a glass plate at 50° C. for 10 days and then the surface protective film is peeled from the glass plate, a residual adhesive strength on the peeled surface side of the glass plate is 3.0 N/19 mm or more. | 08-28-2014 |