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.

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.

A bonding member (10) includes surface-processed silver surfaces (11a, 11b).

A bonding member (10) includes surface-processed silver surfaces (11a, 11b).

A semiconductor device according to an embodiment includes a lead frame, a semiconductor chip provided above the lead frame, and a bonding material including a sintered material containing a predetermined metal material and a predetermined resin, where the bonding material includes a first portion provided between the lead frame and the semiconductor chip, and a second portion provided on the lead frame around the semiconductor chip, where the bonding material bonds the lead frame and the semiconductor chip, wherein an angle formed by a lower face of the semiconductor chip and an upper face of the second portion adjacent to the lower face is 80 degrees or less.

A semiconductor device according to an embodiment includes a lead frame, a semiconductor chip provided above the lead frame, and a bonding material including a sintered material containing a predetermined metal material and a predetermined resin, where the bonding material includes a first portion provided between the lead frame and the semiconductor chip, and a second portion provided on the lead frame around the semiconductor chip, where the bonding material bonds the lead frame and the semiconductor chip, wherein an angle formed by a lower face of the semiconductor chip and an upper face of the second portion adjacent to the lower face is 80 degrees or less.

A thermosetting composition for use as an underfill material contains: a mono- or bifunctional acrylic compound; a thermo-radical polymerization initiator; silica; and an elastomer including a 1,2-vinyl group. The thermosetting composition is liquid and has a property of turning, when cured thermally, into a cured product having a relative dielectric constant of 3.2 or less at 25° C. and a dielectric loss tangent of 0.013 or less at 25° C.

A thermosetting composition for use as an underfill material contains: a mono- or bifunctional acrylic compound; a thermo-radical polymerization initiator; silica; and an elastomer including a 1,2-vinyl group. The thermosetting composition is liquid and has a property of turning, when cured thermally, into a cured product having a relative dielectric constant of 3.2 or less at 25° C. and a dielectric loss tangent of 0.013 or less at 25° C.

Provided is a semiconductor device including: a bed having a bed surface; a semiconductor chip having a bottom surface larger than the bed surface, the semiconductor chip being provided such that a center of the bottom surface is disposed above the bed surface and the bottom surface having a first end and a second end; a joint material provided between the bed surface and the bottom surface; a plate-like first wire having a first surface and provided such that the first surface faces the first end; a plate-like second wire having a second surface and provided such that the second surface faces the second end; a first insulating film having a third surface and a fourth surface provided on an opposite side of the third surface, the third surface being in contact with the first end, the fourth surface being in contact with the first surface; and a second insulating film having a fifth surface and a sixth surface provided on an opposite side of the fifth surface, the fifth surface being in contact with the second end, the sixth surface being in contact with the first surface.

Provided is a semiconductor device including: a bed having a bed surface; a semiconductor chip having a bottom surface larger than the bed surface, the semiconductor chip being provided such that a center of the bottom surface is disposed above the bed surface and the bottom surface having a first end and a second end; a joint material provided between the bed surface and the bottom surface; a plate-like first wire having a first surface and provided such that the first surface faces the first end; a plate-like second wire having a second surface and provided such that the second surface faces the second end; a first insulating film having a third surface and a fourth surface provided on an opposite side of the third surface, the third surface being in contact with the first end, the fourth surface being in contact with the first surface; and a second insulating film having a fifth surface and a sixth surface provided on an opposite side of the fifth surface, the fifth surface being in contact with the second end, the sixth surface being in contact with the first surface.