摘要:
A semiconductor product is constructed of a wiring substrate in which pads for pin connection are formed, and a substrate with pins in which pins are disposed. The substrate with the pins is formed so that one end of the pin is exposed to one surface of a resin substrate formed by resin molding and the other end of the pin extends from the other surface of the resin substrate and one end of the pin is bonded to a pad of the wiring substrate through a conductive material.
摘要:
A second-order modified block copolymer which can be obtained by reacting a first-order modified block copolymer with a second-order modifier, wherein the first-order modified block copolymer comprises a base block copolymer and a functional group-containing first-order modifier group bonded to the base block copolymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second-order modifier has a specific functional group which is reactive to the functional group of the first-order modifier group of the first-order modified block copolymer. A second-order modified block copolymer-containing polymer composition comprising the second-order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.
摘要:
A first-order modified, hydrogenated polymer comprising (1) a hydrogenated polymer obtained by hydrogenating at least one unhydrogenated polymer selected from the group consisting of a polymer comprising conjugated diene monomer units and a copolymer comprising conjugated diene monomer units and vinyl aromatic hydrocarbon monomer units, and (2) a functional group-containing first-order modifier group bonded to the hydrogenated polymer (1), wherein the content of the vinyl aromatic hydrocarbon monomer units, vinyl aromatic hydrocarbon block ratio, weight average molecular weight, and hydrogenation ratio (as measured with respect to the double bonds in the conjugated diene monomer units) of the first-order modified, hydrogenated polymer are, respectively, within specific ranges. A second-order modified polymer obtained by reacting a second-order modifier with a first-order modified polymer comprising (β) a base polymer and (γ) a functional group-containing first-order modifier group bonded to the base polymer (β). A composition comprising the above-mentioned first-order modified, hydrogenated polymer or second-order modified polymer and at least one functional component other than the modified polymer.
摘要:
A second order modified block copolymer which can be obtained by reacting a first order modified block copolymer with a second order modifier, wherein the first order modified block copolymer comprises a base block copolymer and a functional group-containing first order modifier group bonded to the base block co-polymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second order modifier has a specific functional group which is reactive to the functional group of the first order modifier group of the first order modified block copolymer. A second order modified block copolymer containing polymer composition comprising the second order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.
摘要:
Disclosed is a hydrogenated copolymer obtained by hydrogenating an unhydrogenated copolymer comprising conjugated diene monomer units and vinyl aromatic monomer units, the unhydrogenated copolymer having at least one polymer block (H) of vinyl aromatic monomer units, wherein the hydrogenated copolymer has the following characteristics (1) to (5): (1) a content of the vinyl aromatic monomer units of from more than 60% by weight to less than 90% by weight, based on the weight of the hydrogenated copolymer; (2) a content of the polymer block (H) of from 1 to 40% by weight, based on the weight of the unhydrogenated copolymer; (3) a weight average molecular weight of from more than 100,000 to 1,000,000; (4) a hydrogenation ratio of 85% or more, as measured with respect to the double bonds in the conjugated diene monomer units; and (5) substantially no crystallization peak observed at −50 to 100° C. in a differential scanning calorimetry (DSC) chart obtained with respect to the hydrogenated copolymer.
摘要:
An electrophoresis pattern reading system of fluorescent type is comprised of a detachable migration unit comprising a gel functioning as a base for electrophoresis and a gel-supporting body for supporting the gel; an electrophoresis unit, to which the migration unit is mounted, for performing electrophoresis by applying migrating voltage to the gel to which a sample labeled with a fluorescent substance is added; and a reading unit including an instrumentation subunit for reading an electrophoresis pattern, to which the migration unit is mounted after electrophoresis and which receives fluorescence emitted from the fluorescent substance of the sample on the gel upon application of light to the gel. For example, a plurality of the migration units and the electrophoresis units are provided, and each of the plural migration units are mounted to one reading unit in order after electrophoresis has been performed with the respective electrophoresis units for a long period of time, thereby reading the electrophoresis pattern in a short period of time.
摘要:
A method for the production of substrates with a uniform dispersion of extremely fine granules comprising: forming extremely fine granules in a granule-formation chamber under a reduced pressure by a gas-evaporation technique, introducing said extremely fine granules into a granule-recovering chamber under high vacuum, which is adjacent to said granule-formation chamber, through a slit formed in the partition between said granule-formation chamber and said granule-recovering chamber, and allowing said extremely fine granules to be dispersed on and attached to a supporter disposed in said granule-recovering chamber.
摘要:
In the particular filling method disclosed in the specification a side valve type packaging bag is filled by inserting a filling tube into the bag valve, expanding a rubber tube surrounding the filling tube to form a seal with the valve opening, supplying particulate material to the interior of the bag and rotating the filling tube to distribute the particulate material within the bag, and then wetting an adhesive in the valve before withdrawing the filling tube from the bag. The filling apparatus according to the invention includes a filling tube which is mounted for rotation about its axis on a support plate and has a pouring spout directed at an angle to its axis and a pneumatic piston connected to the filling tube to rotate the tube about its axis and weighing mechanism for detecting filling of the bag.
摘要:
An asphalt composition comprising from 0.5 to 50 parts by weight of a hydrogenated conjugated diene copolymer (a) and 100 parts by weight of asphalt (b), wherein the hydrogenated conjugated diene copolymer (a) comprises a polymer block (A) comprising vinyl aromatic monomer units and at least one hydrogenated copolymer block (B) obtained by hydrogenation of a non-hydrogenated random copolymer block comprising conjugated diene monomer units and vinyl aromatic monomer units, the hydrogenated conjugated diene copolymer (a) having the following characteristics (1) to (5): (1) the content of the vinyl aromatic monomer units is more than 30% and not more than 60% by weight per weight of the hydrogenated conjugated diene copolymer; (2) the content of the polymer block (A) is from 5% to 50% by weight per weight of the hydrogenated copolymer; (3) the weight average molecular weight is from 30,000 to 500,000; (4) the percentage of hydrogenation of the double bonds in the conjugated diene monomer units is from 60% to 100%; and (5) at least one peak of the loss tangent (tan δ) is present in the range of from −40° C. to less than −10° C. in a dynamic viscoelastic spectrum obtained with respect to the hydrogenated copolymer.
摘要:
A second-order modified block copolymer which can be obtained by reacting a first-order modified block copolymer with a second-order modifier, wherein the first-order modified block copolymer comprises a base block copolymer and a functional group-containing first-order modifier group bonded to the base block copolymer, wherein the base block copolymer comprises at least one polymer block comprised mainly of vinyl aromatic hydrocarbon monomer units and at least one polymer block comprised mainly of conjugated diene monomer units, and wherein the second-order modifier has a specific functional group which is reactive to the functional group of the first-order modifier group of the first-order modified block copolymer. A second-order modified block copolymer-containing polymer composition comprising the second-order modified block copolymer as well as a thermoplastic resin and/or a rubbery polymer.