Lintec Corporation

Warabi, Japan

Lintec Corporation

Warabi, Japan
SEARCH FILTERS
Time filter
Source Type

The present invention is a curable polysilsesquioxane compound comprising at least one structural unit represented by CHR^(1)X^(0)-D-SiO_(3/2),the curable polysilsesquioxane compound having a ^(29)Si nuclear magnetic resonance spectrum that has a first peak top within a range of -73 ppm or more and less than -65 ppm, has a second peak top within a range of -82 ppm or more and less than -73 ppm, and substantially does not have a peak within a range of -65 ppm or more and less than -55 ppm, anda method for producing the curable polysilsesquioxane compound, anda curable composition comprising the curable polysilsesquioxane compound and a silane coupling agent, anda cured product obtained by heating the curable composition, anda method for using the curable polysilsesquioxane compound or the curable composition , as an optical device-securing material.


Patent
LINTEC Corporation, Japan National Institute of Advanced Industrial Science and Technology | Date: 2017-02-01

Provided is an antifouling sheet having an interlayer (X) containing a (poly)silazane compound and having an antifouling layer (Y) layered on the surface of the interlayer (X), wherein the layer (Y) is formed of an antifouling layer-forming composition containing a specific tetrafunctional silane compound (A) and a specific trifunctional silane compound (B), the content of the component (B) in the antifouling layer-forming composition is 8 to 90 mol% relative to 100 mol% of the component (A). The antifouling sheet is provided with an antifouling layer having good surface state and curability, has a large slip acceleration for water droplets, thereby having excellent water repellency that makes water droplets slip off instantly, and has excellent interlayer adhesiveness.


Base film (2) for a dicing sheet comprises a cutting-fragment suppression layer (A) and an expandable layer (B) laminated on one main surface of the cutting-fragment suppression layer (A). The expandable layer (B) comprises at least one resin-based unit layer. The at least one resin-based unit layer includes a resin-based unit layer (B1) that is disposed nearest to the cutting-fragment suppression layer (A) . The resin-based unit layer (B1) comprises a linear polyethylene, polypropylene, and thermoplastic elastomer. The cutting-fragment suppression layer (A) comprises a ring-containing resin (a1) that is a thermoplastic resin having at least one type of an aromatic series-based ring and an aliphatic series-based ring and an acyclic olefin-based resin (a2) that is an olefin-based thermoplastic resin other than the ring-containing resin (a1). The base film (2) for such a dicing sheet is excellent in the expandability and recoverability.


A support device, which supports a belt-shaped sheet wound around a hollow cylindrical shaft core (24) so as to feed the belt-shaped sheet, includes a support shaft (221) that is insertable into a hollow part of the shaft core (24), a frame that supports the support shaft (221), an antenna surface (273) perpendicular to an axis line (C) of the support shaft (221), and a loop antenna (274) provided to the antenna surface (273). The shaft core (24) includes a non-contact data carrier (26) capable of at least one of storing and transmitting predetermined data. The loop antenna (274) includes a loop unit (274a) coiled to define a loop surrounding the axis line (C). When the shaft core (24) is seen through the loop antenna (274) along the axis line (C), the loop unit (274a) is disposed in the vicinity of the shaft core (24).


Patent
LINTEC Corporation | Date: 2017-02-08

Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer that includes a resin part (X) containing a resin as a main component, and a particle part (Y) consisting of fine particles, at least a surface () of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein plural concave portions having a maximum height difference of 0.5 m or more exist in a prescribed region (P) on the surface (), and 95% or more of the plural concave portions existing inside the region (P) have shapes differing from each other, and when the surface () of the resin layer is attached to a smooth surface of a light transmissive adherend having a smooth surface, the areal ratio of the attached area against the smooth surface of the light transmissive adherend to the surface () is 10 to 95%. When attached to an adherend, the pressure sensitive adhesive sheet can readily remove air accumulation to be formed and therefore exhibits excellent air escape property, and have good blister resistance and pressure sensitive adhesive characteristics.


Patent
LINTEC Corporation | Date: 2017-02-08

Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface () of the resin layer being opposite to the side thereof on which the substrate or the release material is provided having pressure sensitive adhesiveness, wherein, when a smooth surface of a light transmissive adherend having a smooth surface is attached to the surface (), one or more concave portion (G) not kept in contact with the smooth surface exist on the surface (), and the shapes of the one or more concave portions (G) have irregular shapes. The pressure sensitive adhesive sheet has excellent air escape property capable of readily removing air accumulation that may be formed on attaching to an adherend, and has good pressure sensitive adhesion characteristics.


Patent
Lintec Corporation | Date: 2017-03-29

A base film (2) for dicing sheets that is used in a dicing sheet (1) comprising the base film (2) and a pressure sensitive adhesive layer (3) laminated on one surface of the base film (2). The base film (2) comprises at least a first resin layer (A) that is in contact with the pressure sensitive adhesive layer (3) of the dicing sheet (1) and a second resin layer (B) that comes into contact with the first resin layer (A) when the base film (2) for dicing sheets is wound up. The second resin layer (B) has a crystallinity of 28% to 45% The ratio of a tensile elastic modulus of the first resin layer (A) to a tensile elastic modulus of the second resin layer (B) is 1.2 to 3.0. The ratio of a thickness of the first resin layer (A) to a thickness of the base film (2) for dicing sheets is 20% to 60%. According to the base film (2) for dicing sheets, the expanding properties are excellent, the occurrence of blocking can be suppressed, and the dicing debris generated during the dicing of a cut object can be reduced.


Patent
LINTEC Corporation | Date: 2017-02-01

Provided is an antifouling sheet having an antifouling layer formed of an antifouling layer-forming composition containing a specific tetrafunctional silane compound (A) and a specific trifunctional silane compound (B) wherein the content of the component (B) is 8 to 90 mol% relative to 100 mol% of the component (A), and the antifouling layer is a layer formed by drying and curing a coating film formed of the antifouling layer-forming composition, in an ammonia atmosphere. Also provided is a method for producing the antifouling sheet. The antifouling sheet is provided with an antifouling layer having good surface state and curability, has a large slip acceleration for water droppings, thereby having excellent water repellency that makes water droplets slip off instantly, and has excellent interlayer adhesiveness.


Patent
Lintec Corporation | Date: 2017-09-20

The present invention is a sealing sheet comprising at least a base resin layer and a sealing resin layer, the base resin layer having a microstructure that is provided to one surface of the base resin layer,the sealing resin layer being provided on a side of the base resin layer on which the microstructure is provided, andthe microstructure having a protrusion that has a maximum difference in height (H) of 1 to 50 m and is arranged two-dimensionally on the surface of the base resin layer, andan electronic device member, andan electronic device. The sealing sheet according to the invention exhibits an excellent gas barrier capability that suppresses or reduces the entry of a gas (e.g., water vapor) not only in the vertical direction, but also in the horizontal direction (from the edge) with respect to the surface of the sealing sheet.


Patent
Lintec Corporation, Lintec of America Inc. and Kinki University | Date: 2017-09-27

The present invention provides a method for producing a carbon nanotube sheet that is excellent in light transmittance and conductivity, and the carbon nanotube sheet. The method includes firstly modifying of modifying a free-standing unmodified carbon nanotube sheet in which a plurality of carbon nanotubes are aligned in a predetermined direction. The firstly modifying includes performing a densification process of bringing the unmodified carbon nanotube sheet into contact with either one of or both of vapor and liquid particles of a liquid substance to produce a modified carbon nanotube sheet that contains the carbon nanotubes which are mainly aligned in a predetermined direction, and that includes a high density portion where the carbon nanotubes are assembled together and a low density portion where density of the carbon nanotubes is relatively lower than density in the high density portion.

Loading Lintec Corporation collaborators
Loading Lintec Corporation collaborators