Patent classifications
H01L2924/0635
Method for manufacturing semiconductor package
The present disclosure relates to a method for manufacturing a semiconductor package including vacuum-laminating a non-conductive film on a substrate on which a plurality of through silicon vias are provided and bump electrodes are formed, and then performing UV irradiation, wherein an increase in melt viscosity before and after UV irradiation can be adjusted to 30% or less, whereby a bonding can be performed without voids during thermo-compression bonding, and resin-insertion phenomenon between solders can be prevented, fillets can be minimized and reliability can be improved.
DISPLAY PANEL, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD OF MANUFACTURING THE DISPLAY DEVICE
A display panel includes a substrate including a display area and a pad area spaced apart from the display area, and an uneven pad disposed on the substrate in the pad area. The uneven pad includes a first conductive layer, a first organic layer disposed on the first conductive layer and having an upper surface having an uneven shape, and a second conductive layer disposed on the first organic layer.
Flexible circuit film bonding apparatus and method of bonding flexible circuit film using the same
A flexible circuit film bonding apparatus includes: a stage configured to support a TFT substrate; a pressing head configured to press and heat a flexible circuit film attached on the TFT substrate with an anisotropic conductive film interposed therebetween; a backup plate configured to support and heat the TFT substrate positioned below the flexible circuit film; and a heating control unit configured to control a temperature of a lower surface of the pressing head and an upper surface of the backup plate, wherein the temperature of the upper surface of the backup plate is less than 170 degrees Celsius.
Flexible circuit film bonding apparatus and method of bonding flexible circuit film using the same
A flexible circuit film bonding apparatus includes: a stage configured to support a TFT substrate; a pressing head configured to press and heat a flexible circuit film attached on the TFT substrate with an anisotropic conductive film interposed therebetween; a backup plate configured to support and heat the TFT substrate positioned below the flexible circuit film; and a heating control unit configured to control a temperature of a lower surface of the pressing head and an upper surface of the backup plate, wherein the temperature of the upper surface of the backup plate is less than 170 degrees Celsius.
ELECTRONIC PACKAGE, HEAT DISSIPATION STRUCTURE AND MANUFACTURING METHOD THEREOF
A heat dissipation structure is provided and includes a heat dissipation body and an adjustment channel. A carrying area and an active area adjacent to the carrying area are defined on a surface of the heat dissipation body, the carrying area is used for applying a first heat dissipation material thereonto, and the adjustment channel is formed in the active area, where one end of the adjustment channel communicates with the outside of the heat dissipation structure, and the other end communicates with the carrying area. Therefore, when the heat dissipation body is coupled to the electronic component by the first heat dissipation material, the adjustment channel can adjust a volume of the first heat dissipation material.
Manufacturing method for semiconductor device
A semiconductor device manufacturing method includes a preparation step and a sinter bonding step. In the preparation step, a sinter-bonding work having a multilayer structure including a substrate, semiconductor chips, and sinter-bonding material layers is prepared. The semiconductor chips are disposed on, and will bond to, one side of the substrate. Each sinter-bonding material layer contains sinterable particles and is disposed between each semiconductor chip and the substrate. In the sinter bonding step, a cushioning sheet having a thickness of 5 to 5000 μm and a tensile elastic modulus of 2 to 150 MPa is placed on the sinter-bonding work, the resulting stack is held between a pair of pressing faces, and, in this state, the sinter-bonding work between the pressing faces undergoes a heating process while being pressurized in its lamination direction, to form a sintered layer from each sinter-bonding material layer.
Manufacturing method for semiconductor device
A semiconductor device manufacturing method includes a preparation step and a sinter bonding step. In the preparation step, a sinter-bonding work having a multilayer structure including a substrate, semiconductor chips, and sinter-bonding material layers is prepared. The semiconductor chips are disposed on, and will bond to, one side of the substrate. Each sinter-bonding material layer contains sinterable particles and is disposed between each semiconductor chip and the substrate. In the sinter bonding step, a cushioning sheet having a thickness of 5 to 5000 μm and a tensile elastic modulus of 2 to 150 MPa is placed on the sinter-bonding work, the resulting stack is held between a pair of pressing faces, and, in this state, the sinter-bonding work between the pressing faces undergoes a heating process while being pressurized in its lamination direction, to form a sintered layer from each sinter-bonding material layer.
Light-emitting device
A light-emitting device includes: a light-emitting element including a first surface provided as a light extraction surface, a second surface opposite to the first surface, a plurality of third surfaces between the first surface and the second surface, and a positive electrode and a negative electrode at the second surface; a light-transmissive member disposed at the first surface; and a bonding member disposed between the light-emitting element and the light-transmissive member and covering from the first surface to the plurality of third surfaces of the light-emitting element to bond the light-emitting element and the light-transmissive member. The bonding member is made of a resin that contains nanoparticles. The nanoparticles have a particle diameter of 1 nm or more and 30 nm or less and a content of 10 mass % or more and 20 mass % or less.
Light-emitting device
A light-emitting device includes: a light-emitting element including a first surface provided as a light extraction surface, a second surface opposite to the first surface, a plurality of third surfaces between the first surface and the second surface, and a positive electrode and a negative electrode at the second surface; a light-transmissive member disposed at the first surface; and a bonding member disposed between the light-emitting element and the light-transmissive member and covering from the first surface to the plurality of third surfaces of the light-emitting element to bond the light-emitting element and the light-transmissive member. The bonding member is made of a resin that contains nanoparticles. The nanoparticles have a particle diameter of 1 nm or more and 30 nm or less and a content of 10 mass % or more and 20 mass % or less.
SILVER PASTE AND METHOD FOR PRODUCING SAME, AND METHOD FOR PRODUCING BONDED ARTICLE
This silver paste is used to form a silver paste layer by applying the silver paste directly on the surface of a copper or copper alloy member, and the silver paste includes a silver powder, a fatty acid silver salt, an aliphatic amine, a high-dielectric-constant alcohol having a dielectric constant of 30 or more, and a solvent having a dielectric constant of less than 30. The content of the high-dielectric-constant alcohol is preferably 0.01% by mass to 5% by mass when an amount of the silver paste is taken as 100% by mass.