Abstract: A curable organopolysiloxane composition having rheological properties suitable for precision application and fine pattern formation by a fine droplet coating apparatus such as a jet dispenser, along with a method for forming a pattern using the same, and an electronic component using the same, is provided herein. The curable organopolysiloxane composition is hydrosilylation reaction curable and can be precisely applied by a jet dispenser, etc. The composition has a viscosity at a strain speed of 1,000 (1/s) of 2.0 Pa·s or less, while the viscosity at a strain speed of 0.1 (1/s) is a value 50.0-fold or more the viscosity at a strain speed of 1,000 (1/s). The content of silicon atom-bonded aromatic functional groups in the composition is within a range of from 1.0 to 6.0 mass %.

Abstract: Provided is: a layered body wherein a sheet surface has slight adhesiveness, enabling easy temporary securing of a semiconductor chip, or the like, that has been diced, onto a semiconductor substrate, and wherein permanent adhesion to an adhered object is expressed through post-curing; a layered body that includes the same; a semiconductor device that uses the same; and a method for manufacturing the semiconductor device. A silicone-based adhesive sheet is disclosed herein, wherein, prior to heating, the delamination mode of the adhesive surface from a non-adhesive substrate is interfacial delamination, and after heating of the adhesive surface in a range of between 50 and 200° C., the delamination mode of the adhesive surface from another non-adhesive substrate changes to cohesive fracturing, and exhibits permanent adhesion.

Abstract: Provided is an integrated dicing die bonding sheet having excellent storage stability and stress relaxation properties, having no problems such as chip flying, chipping, cracking, and the like during a dicing process, and having excellent production efficiency; and a method of manufacturing a semiconductor device (particularly including a MEMS device) using the same. An integrated dicing die bonding sheet including a base film, and a silicone-based adhesive sheet having an adhesive surface adhered to the semiconductor wafer, wherein at a stage after dicing the semiconductor wafer and prior to heating, the base film can be interfacially peeled from the silicone-based adhesive sheet, and after the adhesive surface is heated within a range of 50 to 200° C., a peeling mode of the adhesive surface from another non-pressure-sensitive adhesive base material changes to cohesive failure, exhibiting permanent adhesion.

Abstract: Provided is a curable organopolysiloxane composition having favorable curing properties, maintaining a favorable pot life even as a single component composition and showing sharp and rapid curing reactivity triggered by ultraviolet light or other high energy beam irradiation and heating, and in which curing defect problems are less likely to occur even in light shielded portions where irradiation with a high energy beam such or the like is difficult. The curable organopolysiloxane composition comprises: (A) an organopolysiloxane having a monovalent hydrocarbon group containing an aliphatic unsaturated bond, (B) an organohydrogenpolysiloxane, (C) a first hydrosilylation catalyst that exhibits activity by irradiating with a high energy beam, and (D) a second hydrosilylation catalyst microencapsulated by a thermoplastic resin with a softening point within a temperature range of 50 to 200° C. In general, a hydrosilylation reaction inhibitor is substantially not required.

Abstract: A curable organopolysiloxane composition that is one component, has superior storage stability, favorable curability and adhesion at relatively low temperatures, and an appropriate usable time is provided. In particular, the composition has excellent curability even at temperatures of 80° C. or lower and excellent adhesion to resins such as polyester and polyphenylene sulfide. The composition comprises: (A) an organopolysiloxane having at least two alkenyl groups in each molecule thereof; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (C) a hydrosilylation reaction catalyst; (D) a condensation reaction catalyst or a condensation reaction product thereof selected from the group consisting of tetra-tert-butoxy titanium, di(isopropoxy)bis(ethyl acetoacetate)titanium, and an aluminum chelate complex; and (E) a curing inhibitor. When cured, the composition provides a silicone rubber composition with a JIS A hardness of 5 or higher.

Abstract: A one-component curable organopolysiloxane composition that has excellent storage stability, favorable curability and adhesion at relatively low temperatures, and an appropriate pot life is provided. In particular, the composition has excellent curability even at temperatures of 80° C. or lower and excellent adhesion to resins such as polyester, polyphenylene sulfide, and the like. Furthermore, the composition can be cured in a short period of time by increasing the temperature to a high temperature when rapid curing is required. The composition comprises: (A) an organopolysiloxane having at least two alkenyl groups in each molecule thereof; (B) an organopolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (C) a photo-active hydrosilylation reaction catalyst; (D) a condensation reaction catalyst; (E) a curing inhibitor; and (F) an adhesion imparting agent having at least one terminal trialkoxysilyl group.

Abstract: A curable organopolysiloxane composition having rheological properties suitable for precision application and fine pattern formation by a fine droplet coating apparatus such as a jet dispenser, along with a method for forming a pattern using the same, and an electronic component using the same, is provided herein. The curable organopolysiloxane composition is hydrosilylation reaction curable and can be precisely applied by a jet dispenser, etc. The composition has a viscosity at a strain speed of 1,000 (1/s) of 2.0 Pa·s or less, while the viscosity at a strain speed of 0.1 (1/s) is a value 50.0-fold or more the viscosity at a strain speed of 1,000 (1/s). The content of silicon atom-bonded aromatic functional groups in the composition is within a range of from 1.0 to 6.0 mass %.

Abstract: Provided is: a layered body wherein a sheet surface has slight adhesiveness, enabling easy temporary securing of a semiconductor chip, or the like, that has been diced, onto a semiconductor substrate, and wherein permanent adhesion to an adhered object is expressed through post-curing; a layered body that includes the same; a semiconductor device that uses the same; and a method for manufacturing the semiconductor device. A silicone-based adhesive sheet is disclosed herein, wherein, prior to heating, the delamination mode of the adhesive surface from a non-adhesive substrate is interfacial delamination, and after heating of the adhesive surface in a range of between 50 and 200° C., the delamination mode of the adhesive surface from another non-adhesive substrate changes to cohesive fracturing, and exhibits permanent adhesion.

Abstract: Disclosed is a curable organopolysiloxane composition, comprising: (A) a curing reactive organopolysiloxane component formed by curing or semi-curing and reacting at least two or more types of organopolysiloxanes in the presence of one or more types of catalysts; and (B) a peroxide. The composition is a non-fluid at 25° C., and the melt viscosity at 100° C. is 8000 Pa·s or lower. A sealing agent comprising the curable organopolysiloxane composition and a cured product of the curable organopolysiloxane composition are also disclosed, along with a method of molding a cured product and a semiconductor device comprising the cured product.

Abstract: An organosilicon compound represented by the general formula, a hydrosilylation-curable silicone composition containing the compound as an adhesion promoter, and a semiconductor device having a semiconductor element sealed with a cured product of the composition. To provide a novel organosilicon compound, a curable silicone composition that contains the organosilicon compound as an adhesion promoter, has excellent initial adhesion and adhesion durability to a base material such as an organic resin, and forms a cured product having high light transmittance, and a highly reliable semiconductor device produced using this composition.

Abstract: A curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule; (C) an adhesion promoter represented by the average unit formula; and (D) a hydrosilylation reaction catalyst. Provided is a curable silicone composition for forming a transparent cured product having high adhesion to a substrate, and an optical semiconductor device having excellent reliability made using the composition.

Abstract: An organosiloxane represented by the following general formula; a curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (C) an adhesion promoter containing the organosiloxane; and (D) a catalyst for hydrosilylation reaction; and a semiconductor device in which a semiconductor element is encapsulated with a cured product of the composition. A novel organosiloxane, a curable silicone composition that contains the novel organosiloxane as an adhesion promoter and that forms a cured product having excellent adhesion to various base materials, and a semiconductor device that is formed by using the composition and that has excellent reliability are provided.

Abstract: Disclosed is a curable organopolysiloxane composition, comprising: (A) a curing reactive organopolysiloxane component formed by curing or semi-curing and reacting at least two or more types of organopolysiloxanes in the presence of one or more types of catalysts; and (B) a peroxide. The composition is a non-fluid at 25° C., and the melt viscosity at 100° C. is 8000 Pa·s or lower. A sealing agent comprising the curable organopolysiloxane composition and a cured product of the curable organopolysiloxane composition are also disclosed, along with a method of molding a cured product and a semiconductor device comprising the cured product.

Abstract: An organosiloxane represented by the following general formula; a curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule; (C) an adhesion promoter containing the organosiloxane; and (D) a catalyst for hydrosilylation reaction; and a semiconductor device in which a semiconductor element is encapsulated with a cured product of the composition. A novel organosiloxane, a curable silicone composition that contains the novel organosiloxane as an adhesion promoter and that forms a cured product having excellent adhesion to various base materials, and a semiconductor device that is formed by using the composition and that has excellent reliability are provided.

Abstract: A curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule; (B) an organohydrogenpolysiloxane having at least two silicon-bonded hydrogen atoms in a molecule; (C) an adhesion promoter represented by the average unit formula; and (D) a hydrosilylation reaction catalyst. Provided is a curable silicone composition for forming a transparent cured product having high adhesion to a substrate, and an optical semiconductor device having excellent reliability made using the composition.

Abstract: An adhesion promoter represented by the average formula; a curable silicone composition comprising: (A) an organopolysiloxane having at least two alkenyl groups in a molecule, (B) an organohydrogenpolysiloxane having at least two silicon atom-bonded hydrogen atoms in a molecule, (C) the adhesion promoter, and (D) a hydrosilylation reaction catalyst; and a semiconductor device in which a semiconductor element is encapsulated with a cured product of the curable silicone composition. A novel adhesion promoter, a curable silicone composition that contains the adhesion promoter and that forms a cured product having excellent adhesion to various base materials, and an optical semiconductor device that is formed from the curable silicone composition and that has excellent reliability are provided.

Abstract: An organosilicon compound represented by the general formula, a hydrosilylation-curable silicone composition containing the compound as an adhesion promoter, and a semiconductor device having a semiconductor element sealed with a cured product of the composition. To provide a novel organosilicon compound, a curable silicone composition that contains the organosilicon compound as an adhesion promoter, has excellent initial adhesion and adhesion durability to a base material such as an organic resin, and forms a cured product having high light transmittance, and a highly reliable semiconductor device produced using this composition.