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Lintec Corporation patents


Recent patent applications related to Lintec Corporation. Lintec Corporation is listed as an Agent/Assignee. Note: Lintec Corporation may have other listings under different names/spellings. We're not affiliated with Lintec Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "L" | Lintec Corporation-related inventors


Lintec Corporation

. . ... Lintec Corporation

Pressure sensitive adhesive sheet

A pressure sensitive adhesive sheet for use for a battery is provided. The pressure sensitive adhesive sheet comprises a base material, a hard coat layer provided at one side of the base material, and a pressure sensitive adhesive layer provided at a side of the hard coat layer opposite to the base material. ... Lintec Corporation

Laminated body

A laminate includes: a carbon nanotube sheet including a plurality of carbon nanotubes aligned preferentially in one direction within a plane of the sheet; and a first protection material having a surface in contact with the carbon nanotube sheet, the surface having a surface roughness ra1 of 0.05 μm or more.. . ... Lintec Corporation

Method for manufacturing molded article provided with gas barrier layer

A manufacturing device is configured to manufacture a molded product provided with a gas barrier layer, in which the gas barrier layer is formed on a surface of the molded product. The manufacturing device includes: a coater configured to coat the molded product with the gas barrier material; a drier configured to dry the gas barrier material applied by the coater; a surface modifier configured to modify a surface of the gas barrier material dried by the drier; and a transfer unit configured to transfer the molded product to the coater, the drier, and the surface modifier. ... Lintec Corporation

Lintec Corporation

. . ... Lintec Corporation

Sheet manufacturing device and manufacturing method

A sheet manufacturing device includes: a feeder configured to feed a sheet; and a transferring unit configured to transfer carbon nanotubes with a predetermined length onto the sheet, the transferring unit including: a drawing unit configured to draw the carbon nanotubes from a grown form of the carbon nanotubes in a direction intersecting with a feeding direction of the sheet; and a cutter configured to cut the drawn carbon nanotubes.. . ... Lintec Corporation

Gas barrier laminate, member for electronic devices, and electronic device

The present invention is: a gas barrier laminate comprising a base material and a gas barrier unit, wherein the gas barrier unit comprises a gas barrier layer (1) disposed on the base material side, and a gas barrier layer (2) disposed on a surface side of the gas barrier layer (1) opposite to the base material side, and a thickness of the gas barrier unit is 170 nm to 10 μm; an electronic device member comprising the gas barrier laminate; and an electronic device comprising the electronic device member. The present invention provides: a gas barrier laminate having excellent gas barrier properties and excellent colorlessness and transparency, an electronic device member comprising this gas barrier laminate, and an electronic device comprising this electronic device member.. ... Lintec Corporation

Nanofiber sheet

A nanofiber sheet is described that is composed of a substrate and a layer of oriented nanofibers. Nanofibers of the sheet can be oriented in a common direction. ... Lintec Corporation

Adhesive sheet

An adhesive sheet includes: a carbon nanotube sheet including a plurality of carbon nanotubes aligned preferentially in one direction within a plane of the sheet; and an adhesive agent layer including an adhesive agent, in which a rupture elongation of the adhesive sheet is 10% or more.. . ... Lintec Corporation

Adhesive sheet

An adhesive sheet includes: a carbon nanotube sheet including a plurality of carbon nanotubes aligned preferentially in one direction within a plane of the sheet; and an adhesive agent layer including an adhesive agent, the adhesive agent layer being curable.. . ... Lintec Corporation

Release agent composition, release sheet, single-sided pressure-sensitive adhesive sheet and double-sided (faced) pressure-sensitive adhesive sheet

A release agent composition may include a polyester resin (a) and an acrylic polymer (b) in which the acrylic polymer (b) may include a structural unit represented by any structural formula disclosed herein, and a ratio of a blending amount of the polyester resin (a) to a blending amount of the acrylic polymer (b) may be in the range of (a):(b)=50:50 to 95:5 in a mass ratio. The release agent composition may be used to form a release sheet for a single-sided pressure-sensitive adhesive sheet or release sheets for a double-sided (faced) pressure-sensitive adhesive sheet. ... Lintec Corporation

Antifouling composition, antifouling sheet, and method for manufacturing antifouling sheet

Provided is an antifouling composition including a polysilazane-based compound (a) and a both terminal carboxy-modified silicone (b), the content of the component (b) being from 0.01 to 10 parts by mass based on 100 parts by mass of the total amount of the component (a), and the antifouling composition serves as a sheet-like antifouling layer-forming material. The antifouling composition is able to form a sheet-like antifouling layer having favorable surface state and curability and also having excellent water repellency such that even when a tilt angle is small, water droplets can be slipped off.. ... Lintec Corporation

Lintec Corporation

. . ... Lintec Corporation

Peltier cooling element and method for manufacturing same

To provide a peltier cooling element that is excellent in thermoelectric performance and flexibility and can be manufactured easily at low cost. A peltier cooling element containing a thermoelectric conversion material containing a support having thereon a thin film containing a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, and a method for manufacturing a peltier cooling element containing a thermoelectric conversion material containing a support having thereon a thin film containing a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, the method containing: coating a thermoelectric semiconductor composition containing thermoelectric semiconductor fine particles, a heat resistant resin, and an ionic liquid, on a support, and drying, so as to form a thin film; and subjecting the thin film to an annealing treatment.. ... Lintec Corporation

12/07/17 / #provided are a surface protection film which would stably display an image, and would stably attain a mirror state, and which would be stably operated without inhibiting display operability.

Lintec Corporation

. . ... Lintec Corporation

12/07/17 / #20170351010

Light diffusion film and light diffusion film manufacturing method

Provided are a light diffusion film having a single-layered light diffusion layer, in which the uniformity of the intensity of diffused light in the light diffusion angle region can be increased, or the light diffusion angle region can be expanded effectively, by regulating the combination of the angles of inclination of pillar-shaped objects in plural columnar structure regions, and a method for manufacturing a light diffusion film. Disclosed is a light diffusion film having a single-layered light diffusion layer, the light diffusion film having a first columnar structure region and a second columnar structure region, in which plural pillar-shaped objects having a relatively high refractive index are arranged to stand close together in a region having a relatively low refractive index, sequentially from the lower part of the film along the film plane.. ... Lintec Corporation

11/16/17 / #20170327715

Release sheet and pressure-sensitive adhesive article

A release sheet 1 may include a base material 12 and a release agent layer 11 provided on the base material 12. The release agent layer 11 is composed of a cured product of a release agent composition containing 50 mass % or more of a diene-based polymer. ... Lintec Corporation

11/09/17 / #20170323820

Surface protective sheet

A surface protective sheet is used when grinding the rear surface of a semiconductor wafer having a circuit formed on the front surface, and is provided with: a base material comprising a support film and an antistatic coating layer which includes an inorganic conductive filler and a cured product of a curable resin (a); and an adhesive layer. The stress relaxation percentage of the base material after 1 minute at 10% elongation is at least 60%. ... Lintec Corporation

10/12/17 / #provided are an optical diffusion film composed of a single layer, for which the optical diffusion incident angle region can be effectively expanded, and even when the incident angle of incident light is varied within the optical diffusion incident angle region, changes in the optical diffusion characteristics can be effectively suppressed; and a method for manufacturing the optical diffusion film.

Lintec Corporation

. . ... Lintec Corporation

10/05/17 / #20170283660

Pressure sensitive adhesive sheet for tire

Provided is a pressure sensitive adhesive sheet for tires that enables continuous and efficient labeling on tires using a labeling apparatus. The pressure sensitive adhesive sheet includes a release material (c), a first pressure sensitive adhesive layer (b1), a first substrate (a1), a second pressure sensitive adhesive layer (b2), and a second substrate (a2), in this order, and satisfies requirement (1): in a planar view of the pressure sensitive adhesive sheet, the outline of the first pressure sensitive adhesive layer (b1) exists inside the outline of the second substrate (a2); and requirement (2): the md stiffness of the second substrate (a2), measured in the gurley method according to jis l 1085, is 0.10 mn or more.. ... Lintec Corporation

10/05/17 / #20170283658

Pressure-sensitive adhesive sheet for tire and method for producing the same

Provided is a pressure sensitive adhesive sheet for tires that enables continuous and efficient labeling on tires using a labeling apparatus. The pressure sensitive adhesive sheet includes a release material (c), a first pressure sensitive adhesive layer (b1), a first substrate (a1), a second pressure sensitive adhesive layer (b2), and a second substrate (a2), in this order, and satisfies requirement (1): in a planar view of the pressure sensitive adhesive sheet for tires, the outline of the first pressure sensitive adhesive layer (b1) exists inside the outline of the second substrate (a2), and requirement (2): the shortest distance (x) between the outline of the second substrate (a2) and the outline of the second pressure sensitive adhesive layer (b2) is 0.35 mm or more.. ... Lintec Corporation

09/28/17 / #the present invention is a curable composition comprising a component (a), a component (b), a component (c), and a component (d), the curable composition comprising the component (a) and the component (b) in a mass ratio (component (a):component (b)) of 100:0.3 to 100:20,

Lintec Corporation

. . ... Lintec Corporation

09/28/17 / #20170278739

Semiconductor processing sheet

The semiconductor processing sheet of the present invention is a semiconductor processing sheet including a base material and a pressure sensitive adhesive layer provided on one surface of the base material, wherein the pressure sensitive adhesive layer contains an acrylic polymer (a) having a molecular weight distribution of 3.0 or less and an acrylic polymer (b) having a molecular weight distribution of more than 3.0; and a gel fraction of the pressure sensitive adhesive layer is 50 to 70%, and a number average molecular weight of a sol content thereof is 60,000 or more.. . ... Lintec Corporation

09/21/17 / #the present invention is: a curable composition comprising a component (a), a component (b), and a component (c), the curable composition comprising the component (a) and the component (b) in a mass ratio (component (a):component (b)) of 100:0.3 to 100:50, the component (a) being a curable polysilsesquioxane compound that comprises a repeating unit represented by a formula (a-1),

Lintec Corporation

. . ... Lintec Corporation

09/07/17 / #the present invention is: a curable composition comprising a component (a), a component (b), and a component (c), the curable composition comprising the component (a) and the component (b) in a mass ratio (component (a):component (b)) of 100:0.3 to 100:50, the component (a) being a curable polysilsesquioxane compound that comprises a repeating unit represented by a formula (a-1),

Lintec Corporation

. . ... Lintec Corporation

08/31/17 / #20170247215

Sheet sticking apparatus and sticking method

A sheet sticking apparatus includes a feeder configured to feed an adhesive sheet, a folding unit configured to fold the fed adhesive sheet, and an attaching unit configured to press the folded adhesive sheet onto an adherend to stick the adhesive sheet to the adherend. The adhesive sheet includes a first sheet and a second sheet having a feeding-direction leading end temporarily attached to a feeding-direction rear end of the first sheet. ... Lintec Corporation

08/24/17 / #the present invention is a sealing material composition comprising a moisture absorbent, and a sealing resin having a weight average molecular weight of 50,000 to 1,000,000, the moisture absorbent comprising a compound that comprises a repeating unit represented by a formula (1), and

Lintec Corporation

. . ... Lintec Corporation

08/24/17 / #20170239923

Substrate for surface protective sheet and surface protective sheet

The substrate for surface protective sheet of the present invention is a substrate for surface protective sheet including a support film and an antistatic layer provided on one face of the support film, wherein a stress relaxation rate of the substrate for surface protective sheet is 60% or more; the antistatic layer is one formed by curing an antistatic layer-forming composition containing a curing component and a metal filler; and the content of a metal filler is 55 mass % or more relative to the total mass of the curing component and the metal filler, and the curing component includes a urethane acrylate oligomer.. . ... Lintec Corporation

07/27/17 / #the present invention is a curable composition comprising a component (a) and a component (b),

Lintec Corporation

. . ... Lintec Corporation

07/27/17 / #20170213757

Base film for sheets for semiconductor wafer processing, sheet for semiconductor wafer processing, and method of manufacturing semiconductor devices

A base film for sheets for semiconductor wafer processing, comprising a resin layer (a) and a resin layer (b) laminated on one surface of the resin layer (a), wherein one surface of the base film for sheets for semiconductor wafer processing comprises a surface of the resin layer (b), the resin layer (a) contains a thermoplastic elastomer having a vicat softening point of 50° c. Or higher and 87° c. ... Lintec Corporation

07/27/17 / #20170210949

Adhesive sheet and method for producing same

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 (α) 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 one or more concave portions exist on the surface (α), and when the surface (α) of the resin layer is adhered to a smooth surface of a light transmissive adherend having a smooth surface to give a laminate, the pressure sensitive adhesive sheet satisfies the following requirements (1) and (2). Requirement (1): in an environment at 23° c. ... Lintec Corporation

06/29/17 / #20170183544

Adhesive sheet

A pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer, at least a surface (α) of the resin layer being opposite to the side of the substrate or being opposite to the side which the release material is provided, having pressure sensitive adhesiveness, the surface (α) having one or more concave portions, the concave portions having irregular shapes. The pressure sensitive adhesive sheet has an excellent air escape property capable of easily removing air accumulation that may be formed on attaching to an adherend, and is excellent in pressure sensitive adhesion characteristics.. ... Lintec Corporation

06/22/17 / #20170174947

Adhesive sheet

Provided is a pressure sensitive adhesive sheet containing, on a substrate or a release material, a resin layer formed of a multilayer structure of three or more layers including a fine particle-containing layer that contains fine particles in an amount of 15% by mass or more, at least a surface (α) 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 the fine particle-containing layer is formed not as the outermost layer of the resin layer, and one or more concave portions exist on the surface (α) and the shapes of the one or more concave portions have irregular shapes. When attached to an adherend, the pressure sensitive adhesive sheet can exhibit excellent air escape property of readily removing air accumulation which may be formed, good blister resistance and good pressure sensitive adhesion characteristics.. ... Lintec Corporation

06/22/17 / #20170174946

Adhesive sheet

Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (α) 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 (α), one or more concave portion (g) not kept in contact with the smooth surface exist on the surface (α), 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.. ... Lintec Corporation

06/22/17 / #20170174945

Adhesive sheet

Provided is a pressure sensitive adhesive sheet having a resin layer on a substrate or a release material, at least a surface (α) of the resin layer being opposite to the side thereof on which the substrate or the release material is provided has pressure sensitive adhesiveness, wherein one or more concave portions exist on the surface (α), and a standard deviation (σ) based on a mean brightness value of the surface (α) is 10.0 or more. 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 has good pressure sensitive adhesion characteristics.. ... Lintec Corporation

06/22/17 / #20170174944

Adhesive sheet

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 (α) 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 μm or more exist in a predetermined region (p) on the surface (α), and 95% or more of the plural concave portions existing inside the region (p) have shapes differing from each other, and one or more such concave portions exist in a predetermined region (q) on the surface (α). 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 has good blister resistance and pressure sensitive adhesion characteristics.. ... Lintec Corporation

06/22/17 / #20170174943

Adhesive sheet

Provided is a pressure sensitive adhesive sheet containing a resin layer on a substrate or a release material, at least a surface (α) 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 one or more concave portions formed not by transferring an emboss pattern exist on the surface (α). The pressure sensitive adhesive sheet has excellent air escape property capable of readily removing air accumulation that may be formed on attaching. ... Lintec Corporation

05/11/17 / #20170130090

Protection membrane forming film, protection membrane forming utilization sheet, production method and inspection method for workpiece or processed product, workpiece determined as adequate product, and processed product determined as adequate product

A protection membrane-forming film (1) containing a filler, wherein the average particle size of the filler is not more than 0.4 μm, a protection membrane-forming sheet (2), a production method and an inspection method for a workpiece or a processed product which use the film and the sheet, and a workpiece and a processed product determined as adequate products by the inspection method. The protection membrane-forming film and the protection membrane-forming sheet of the invention enable the formation of a protection membrane having excellent print legibility when subjected to print processing by laser irradiation.. ... Lintec Corporation

05/04/17 / #20170121570

Base film for dicing sheets and dicing sheet

A base film for dicing sheets includes the base film and a pressure sensitive adhesive layer laminated on one surface of the base film. The base film includes a first resin layer that is in contact with the pressure sensitive adhesive layer of the dicing sheet and a second resin layer that comes into contact with the first resin layer when the base film is wound up. ... Lintec Corporation

05/04/17 / #20170121569

Base film for dicing sheets and dicing sheet

A base film for dicing sheets that is used in a dicing sheet comprising the base film and a pressure sensitive adhesive layer laminated on one surface of the base film. The base film comprises at least a first resin layer that is in contact with the pressure sensitive adhesive layer of the dicing sheet and a second resin layer that comes into contact with the first resin layer when the base film for dicing sheets is wound up. ... Lintec Corporation

05/04/17 / #20170121552

Protective film-forming film and method of manufacturing semiconductor chip with protective film

A protective film-forming film is provided for forming a protective film which protects a metal film provided on a back surface of a semiconductor chip and is not likely to peel off from the metal film even after undergoing a history of temperature changes. This protective film-forming film is formed of a protective film-forming composition to which a coupling agent having a thiol group or a protected thiol group is added.. ... Lintec Corporation

04/20/17 / #the present invention is a long gas barrier laminate including a base, a functional layer, a smoothing layer, and a gas barrier layer,

Lintec Corporation

. . ... Lintec Corporation

04/20/17 / #a pressure-sensitive adhesive composition and a pressure-sensitive adhesive sheet have excellent weather resistance and contain a silicone polymer having excellent curability as a main agent.

Lintec Corporation

. . ... Lintec Corporation

04/13/17 / #20170103295

Support device for band-shaped sheet, and method for managing band-shaped sheet

A support device, which supports a belt-shaped sheet wound around a hollow cylindrical shaft core so as to feed the belt-shaped sheet, includes a support shaft that is insertable into a hollow part of the shaft core, a frame that supports the support shaft, an antenna surface perpendicular to an axis line of the support shaft, and a loop antenna provided to the antenna surface. The shaft core includes a non-contact data carrier capable of at least one of storing and transmitting predetermined data. ... Lintec Corporation

04/13/17 / #20170101543

Antifouling sheet and method for producing same

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. ... Lintec Corporation

03/30/17 / #the present invention is a gas barrier laminate comprising a base unit that comprises a base and a modification-promoting layer, and a gas barrier layer that is formed on a side of the modification-promoting layer with respect to the base unit,

Lintec Corporation

. . ... Lintec Corporation

03/16/17 / #the present invention is a curable polysilsesquioxane compound comprising at least one structural unit represented by chr1x0-d-sio3/2,

Lintec Corporation

. . ... Lintec Corporation

03/09/17 / #20170069933

Solid electrolyte membrane with film and method for producing same

A film-attached solid electrolyte membrane includes: a film having a surface that has a contact angle with respect to acetonitrile in a range from 35 to 75 degrees and a contact angle with respect to chloroform in a range from 15 to 40 degrees; and a solid electrolyte membrane in contact with the surface of the film. A manufacturing method of a film-attached solid electrolyte membrane includes: coating a solid-electrolyte-membrane-forming composition on a surface of a film that has a contact angle with respect to acetonitrile in a range from 35 to 75 degrees and a contact angle with respect to chloroform in a range from 15 to 40 degrees; and curing the coated solid-electrolyte-membrane-forming composition to form a solid electrolyte membrane.. ... Lintec Corporation

03/02/17 / #the present invention is a curable polysilsesquioxane compound comprising one structural unit or two or more structural units represented by r1sio3/2, the curable polysilsesquioxane compound having a 29si nuclear magnetic resonance spectrum that has a first peak top within a range of −60 ppm or more and less than −54 ppm, has a second peak top within a range of −70 ppm or more and less than −61 ppm, and substantially does not have a peak within a range of −53 ppm or more and less than −45 ppm, and

Lintec Corporation

. . ... Lintec Corporation

02/09/17 / #20170036431

Base film for dicing sheet, dicing sheet compresing base film, and method of manufacturing base film

Base film for a dicing sheet comprises a cutting-fragment suppression layer and an expandable layer laminated on one main surface of the cutting-fragment suppression layer. The expandable layer comprises at least one resin-based unit layer. ... Lintec Corporation

01/26/17 / #20170025636

Laminated sheet for sealing electronic elements and production method for electronic devices

A laminated sheet for sealing electronic elements is configured to comprise: a first long release sheet; a plurality of sealing materials that are laminated on the first release sheet within a central area in the width direction and at different positions in the longitudinal direction; protection materials that are laminated on the first release sheet at both side portions in the width direction; and a second long release sheet that is laminated on the sealing materials and the protection materials at the opposite sides to the first release sheet. According to such a laminated sheet for sealing electronic elements, highly reliable electronic devices can be produced in an efficient manner.. ... Lintec Corporation

01/26/17 / #20170025303

Base for back grind tapes, and back grind tape

A substrate for back grind tape of the present invention includes a substrate film having a young's modulus of 600 mpa or more; and a buffer layer provided on one face of the substrate film, the buffer layer formed of a urethane-containing cured material and having a peak temperature of tan 6 of 60° c. Or lower.. ... Lintec Corporation

01/19/17 / #the present invention is an adhesive composition including a polyisobutylene-based resin (a), an energy ray-curable resin (b), and a tackifier (c),

Lintec Corporation

. . ... Lintec Corporation

01/12/17 / #20170011949

Protective film forming film, protective film forming sheet and work product manufacturing method

A protective film forming film 1 is provided in which the product of the breaking stress (mpa) measured at a measurement temperature of 0° c. And the breaking strain (unit: %) measured at a measurement temperature of 0° c. ... Lintec Corporation

01/05/17 / #20170005062

Die-bonding layer formation film, processed product having die-bonding layer formation film attached thereto, and semiconductor device

A die-bonding layer formation film to be used for fixing a processed product to an adherend, includes an adhesive layer, wherein, the storage elastic modulus has a local minimum value at a temperature within a range of 80° c. To 150° c., wherein the adhesive layer has a shear strength to a peeling strength test substrate of 20 n/2 mm□ or more and 50 n/2 mm□ or less, wherein the shear strength is measured after the processed product is placed above the peeling strength test substrate via the die-bonding layer formation film and the die-bonding layer formation film on the peeling strength test substrate is heated at 175° c. ... Lintec Corporation

01/05/17 / #20170005016

Protective film-forming film, sheet for forming protective film, complex sheet for forming protective film, and inspection method

Provided is a sheet (2) for forming protective film, including: a protective film-forming film (1) characterized in that the light transmittance thereof at a wavelength of 1600 nm of 72% or more, and the light transmittance thereof at a wavelength of 550 nm of 20% or less; and a release sheet (21) laminated upon one or both faces of the protective film-forming film (1). According to this sheet (2) for forming a protective film, it is possible to form a protective film that allows for the inspection of cracks, etc., on a workpiece or a product obtained by processing the workpiece, while preventing grinding marks on the workpiece or the product from being visible to the naked eye.. ... Lintec Corporation

01/05/17 / #20170004991

Protective film-forming film, sheet for forming protective film, complex sheet for forming protective film, and method of producing manufactured product

Provided is protective film-forming sheet (2) including: a protective film-forming film (1) having a light transmittance at a wavelength of 1064 nm of 55% or greater and a light transmittance at a wavelength of 550 nm of 20% or less; and a release sheet (21) which is laminated on one or both faces of the protective film-forming film (1). According to this protective film-forming sheet (2), it is possible to form a protective film which allows a workpiece such as a semiconductor wafer to have a modified layer disposed in advance therein by a laser so that the workpiece can be split through the application of force thereon, while preventing grinding marks on the workpiece or a product formed therefrom from being visible to the naked eye.. ... Lintec Corporation








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