摘要:
A dicing/die bonding adhesion tape includes a substrate, a silicone adhesive layer, and a bonding layer. A tack strength of 0.2–2.0 N/25 mm is developed between the silicone adhesive layer and the bonding layer. The bonding layer is formed of a bonding composition comprising (A) a polyimide resin, (B) an epoxy resin, and (C) an epoxy resin curing catalyst.
摘要:
An epoxy-silicone mixed resin composition comprising (A) an organopolysiloxane having at least one vinyl or allyl group and at least one hydroxyl group, (B) an organic resin having at least one epoxy group, (C) an organohydrogenpolysiloxane, (D) a platinum group metal-based catalyst, (E) an aluminum compound, and (F) 0.1-15% by weight of an organic mold release agent is molded and cured in a metal mold into a transparent product which can be smoothly removed from the mold. The cured product has a satisfactory bond strength to metal frames and maintains heat resistance. LED devices can be fabricated by continuous mechanical molding.
摘要:
Silicone resin compositions comprising (A) an organopolysiloxane containing at least two aliphatic unsaturated bonds and having a viscosity of 100-1,000,000 mPa·s at 25° C., (B) an organohydrogenpolysiloxane having at least three silicon-bonded hydrogen atoms (SiH groups) in the form of HR62SiO-, and (C) a platinum group metal base catalyst cure into colorless transparent parts which are useful lenses.
摘要:
An epoxy resin composition comprising (A) a naphthalene type epoxy resin in which 35-85 parts by weight of 1,1-bis(2-glycidyloxy-1-naphthyl)alkane and 1-35 parts by weight of 1,1-bis(2,7-diglycidyloxy-1-naphthyl)alkane are included per 100 parts by weight of the resin, (B) a curing agent in the form of a naphthalene type phenolic resin, (C) an inorganic filler, and (D) a phosphazene compound is best suited for semiconductor encapsulation because it has good flow, a low coefficient of linear expansion, a high Tg, minimal moisture absorption, and crack resistance upon lead-free soldering.
摘要:
An epoxy resin composition comprising (A) a naphthalene type epoxy resin in which 35-85 parts by weight of 1,1-bis(2-glycidyloxy-1-naphthyl)alkane and 1-35 parts by weight of 1,1-bis(2,7-diglycidyloxy-1-naphthyl)alkane are included per 100 parts by weight of the resin, (B) a curing agent in the form of a naphthalene type phenolic resin, (C) an inorganic filler, and (D) a rare earth oxide or hydrotalcite compound is best suited for semiconductor encapsulation because it has good flow, a low coefficient of linear expansion, a high Tg, minimal moisture absorption, and crack resistance upon lead-free soldering.
摘要:
A curable resin composition for sealing an LED element is provided. The composition includes (i) an organopolysiloxane with a polystyrene equivalent weight average molecular weight of at least 5×103, (ii) a condensation catalyst, (iii) a solvent, and (iv) a finely powdered inorganic filler. It is suited to formation of a coating film or the like with excellent heat resistance, ultraviolet light resistance, optical transparency, toughness and adhesion, and is ideal for applications such as the sealing of LED elements.
摘要:
An epoxy resin composition comprising (A) at least one epoxy resin comprising (a) a naphthalene ring-containing epoxy resin having at least one substituted or unsubstituted naphthalene ring in a molecule and having an epoxy equivalent of 175 to 210, (B) a phenolic resin having at least one substituted or unsubstituted naphthalene ring in a molecule, and (C) an inorganic filler, the substituted or unsubstituted naphthalene ring of the epoxy resin (a) being contained in an amount of 45 to 60% by weight in the total amount of the epoxy resin (A) is best suited for semiconductor encapsulation because it has good flow, a low coefficient of linear expansion, a high Tg, minimal moisture absorption, and crack resistance upon lead-free soldering.
摘要:
In connection with a semiconductor component having a circuit region and electrodes formed on a substrate surface, the circuit region is sealed by (1) applying a resist material onto the substrate surface to form a resist layer, (2) selectively exposing the resist layer to radiation and developing the resist with a liquid developer for thereby removing only the portion of the resist layer which overlies the circuit region, (3) applying a resin sealant onto the circuit region and curing the resin sealant into a cured resin layer that covers the circuit region, and (4) removing the residual resist layer using a solvent.
摘要:
A partial block polyimide-polysiloxane copolymer is provided comprising repeat unit structures having structural formulae (1) and (2) wherein X is an aromatic or aliphatic ring-containing tetravalent organic radical, Y1 is a diamine residue, Y2 is a diaminosiloxane residue, Y1 and Y2 are contained in the copolymer in amounts of 99-20 mol % and 1-80 mol %, respectively, L and m each are an integer of 2-50. The copolymer has good adhesion to substrates, moisture-proof reliability and a low modulus of elasticity.
摘要翻译:提供部分嵌段聚酰亚胺 - 聚硅氧烷共聚物,其包含具有结构式(1)和(2)的重复单元结构,其中X是含芳族或脂族环的四价有机基团,Y 1是二胺残基 Y 2是二氨基硅氧烷残基,共聚物中的Y 1 Y 2和Y 2 2的含量为99-20摩尔%,1- 80mol%,L和m分别为2-50的整数。 共聚物对基材的粘合性好,防潮可靠性和低弹性模量。
摘要:
A polyimide resin having phenolic hydroxyl radicals in its skeleton is prepared using a diamine bearing an aromatic ring having an amino radical attached thereto and another aromatic ring having a phenolic hydroxyl radical. The polyimide resin and a composition comprising the polyimide resin, an epoxy resin and a curing agent are suited for use as varnish, adhesive and adhesive film for which adhesion and heat resistance are required.