摘要:
The present invention provides a resin composition including: (A) a silicone resin containing a constitutional unit shown by the following composition formula (1) and having a weight average molecular weight of 3,000 to 500,000; (B) an epoxy resin-curing agent; and (C) a filler; wherein the mass fraction of the component (C) is 50 to 95% by mass based on the total mass. This can provide a resin composition that can mold a wafer in a lump, has good molding properties particularly to a thin-film wafer having a large diameter, gives low-warping properties, as well as good wafer protection properties, high reliability, and good heat resistance after molding, can perform a molding process favorably, and can be used for wafer level packaging favorably.
摘要:
A curable composition and use thereof are provided. The exemplary curable composition can show excellent processability and workability. Also, the curable composition can have a high refractive index before or after curing. The composition has low moisture permeability before or after curing and shows excellent crack resistance, thermal shock resistance, adhesive property and hardness. In addition, the composition does not cause color change such as whitening under a high-temperature or high-humidity condition, and does not exhibit stickiness on a surface thereof. The curable composition may be used as an adhesive material or as an encapsulation material for semiconductor devices such as an LED, a CCD, a photo coupler, or a photovoltaic cell.
摘要:
[Problem to be Solved] An object of the present invention is to provide a silicone-modified epoxy resin composition that offers a cured product excellent in low permeability to gas, mechanical strength, and heat resistance and transparency and further offers an optical semiconductor sealing material excellent in heat cycle resistance, and a cured epoxy resin product obtained by curing the composition. [Solution] The present invention provides an epoxy resin composition comprising the following components (A) to (C): (A) a silicone-modified epoxy resin having a cyclic siloxane structure, (B) a silicone-modified epoxy resin having a branched siloxane structure, and (C) an epoxy resin curing agent containing a polyvalent carboxylic acid having a tricyclodecane structure and a carboxylic anhydride compound.
摘要:
This invention relates to a reactive silicone composition for forming a hotmelt material, comprising: (A) an organopolysiloxane resin represented by the specific average unit formula; (B) an organopolysiloxane resin free of alkenyl group and represented by the specific average unit formula; (C) a diorganopolysiloxane represented by the specific average formula; (D) an organohydrogenpolysiloxane having two silicon-bonded hydrogen atoms in a molecule; (E) an organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms in a molecule; and (F) a hydrosilylation catalyst. The reactive silicone composition can be reacted to form a hotmelt material having excellent shelf life stability, instant adhesion performance by hotmelt process.
摘要:
The invention relates to an electronic component (1) comprising at least one semiconductor chip (4) and at least one substrate (6), the semiconductor chip (4) being encapsulated in a polyorganosiloxane resin (3), which is the result of hardening a composition comprising at least: one portion (A) comprising at least one polyorganosiloxane (A1) which contains at least two -CH = CH 2 reactive groups per molecule; one portion (B) comprising a polyorganosiloxane (B1) which comprises at least two Si-H groups per molecule; and at least one hydrosilylation catalyst (C1), the components (A1) and (B1) being in quantities such that the molar ratio of Si-H / -CH = CH 2 in the composition is no lower than 0.4.
摘要:
The present application relates to a cured product and the use thereof. When the cured product, for example, is applied to a semiconductor device such as an LED or the like, the decrease in brightness may be minimized even upon the long-term use of the device, and since the cured product has excellent cracking resistance, the device having high long-term reliability may be provided. The cured product has excellent processability, workability, and adhesive properties or the like, and does not cause whitening and surface stickiness, etc. Further, the cured product exhibits excellent heat resistance at high temperature, gas barrier properties, etc. The cured product may be, for example, applied as an encapsulant or an adhesive material of a semiconductor device.
摘要:
In order to provide a sealing sheet capable of preventing same from falling off a suction collet during conveyancing, etc., and whereby semiconductor chips can be suitably buried, the sum ± of a thickness t [mm] and a storage elastic modulus G' [Pa] at 50°C, for this sealing sheet, fulfils 300 ‰¤ ± ‰¤ 1.5 × 10 5 .
摘要:
The present invention is a method for manufacturing a semiconductor apparatus, including preparing a first substrate (13) provided with a pad (11) optionally having a plug (12) and a second substrate or device (15) provided with a plug (14), forming a solder ball (16) on at least one of the pad (11) or the plug (12) of the first substrate (13) and the plug (14) of the second substrate or device (15), covering at least one of a pad-forming surface of the first substrate (13) and a plug-forming surface of the second substrate or device (15) with a photosensitive insulating adhesive layer (17), forming an opening (18, 19) on the pad (11) or the plug (12) of the substrate or the device (13, 15) that has been covered with the photosensitive insulating adhesive layer (17) by lithography, pressure-bonding the plug (14) of the second substrate or device (15) to the pad (11) or the plug (12) of the first substrate (13) with the solder ball (16) through the opening (18, 19), electrically connecting the pad (11) or the plug (12) of the first substrate (13) to the plug (14) of the second substrate or device (15) by baking, and curing the photosensitive insulating adhesive layer (17) by baking. As a result, there is provided a method that enables manufacture of a semiconductor apparatus in which the substrates (13, 15) or the substrate (13) and the device (15) are favourably bonded and electrically connected.
摘要:
A method for producing a semiconductor light-emitting device comprising a substrate, an element and an encapsulating material as constituent members, comprising a first step of providing the substrate with the element; a second step of potting un uncured encapsulating material onto the substrate to cover the element; and a third step of curing the potted encapsulating material in such a manner that all of the following formulae (1), (2) and (3) are satisfied when the absorbances which a cured encapsulating material having a thickness of t [nm] has at wavelengths of 380 nm, 316 nm and 260 nm are represented by Abs A (t), Abs B (t) and Abs C (t), respectively and the light transmittance thereof at 380 nm is represented by T(t): T 1.7 ‰¥ 90 % Abs B t ˆ’ Abs A t
摘要翻译:一种半导体发光元件的制造方法,其特征在于,具备:第一工序,在所述基板上形成所述元件; 将未固化的封装材料封装在基板上以覆盖元件的第二步骤; 以及第三步骤,以使得固化的具有厚度t [nm]的密封材料的吸光度满足以下所有式(1),(2)和(3)的方式固化所述封装材料 在380nm,316nm和260nm的波长分别由Abs A(t),Abs B(t)和Abs C(t)表示,并且其在380nm处的光透射率由T(t)表示:T 1.7‰¥90%Abs B t'Abs A t <0.011 t Abs C t'Abs A t <0.125 t。