H01L23/295

Semiconductor device and method for manufacturing semiconductor device

A semiconductor device includes a semiconductor element, a lead frame, a conductive member, a resin composition and a sealing resin. The semiconductor element has an element front surface and an element back surface facing away in a first direction. The semiconductor element is mounted on the lead frame. The conductive member is bonded to the lead frame, electrically connecting the semiconductor element and the lead frame. The resin composition covers a bonded region where the conductive member and lead frame are bonded while exposing part of the element front surface. The sealing resin covers part of the lead frame, the semiconductor element, and the resin composition. The resin composition has a greater bonding strength with the lead frame than a bonding strength between the sealing resin and lead frame and a greater bonding strength with the conductive member than a bonding strength between the sealing resin and conductive member.

Crack identification in IC chip package using encapsulated liquid penetrant contrast agent
11543322 · 2023-01-03 · ·

A packaging fill material for electrical packaging includes a base material, and a plurality of frangible capsules distributed in the base material. Each frangible capsule includes a liquid penetrant contrast agent therein having a different radiopacity than the base material. In response to a crack forming in the packaging fill material, at least one of the plurality of frangible capsules opens, releasing the liquid penetrant contrast agent into the crack. Cracks can be more readily identified in an IC package including the packaging fill material. The liquid penetrant contrast agent may have a radiopacity that is higher than the base material. Inspection can be carried out using electromagnetic analysis using visual inspection or digital analysis of the results to more easily identify cracks.

EMI SHIELDING MATERIAL, EMI SHIELDING PROCESS, AND COMMUNICATION MODULE PRODUCT
20220418174 · 2022-12-29 ·

Disclosed is an EMI shielding material. The EMI shielding material comprises a resin material and metal particles mixed with each other, wherein the surface of the metal particles has an insulating protective layer. Further disclosed is a communication module product, comprising a module element arranged on a substrate, wherein the periphery of the module element that requires EMI shielding is filled with said shielding material. Further disclosed is an EMI shielding process, comprising the following steps: a. preparing a communication module on which a module element is provided; and b. applying said shielding material to a region of the module element that needs to be EMI shielded on the communication module. The shielding material can shield a chip region in a wrapping manner, that is, the shielding material can wrap and shield all six surfaces or six directions of the chip, and can provide shielding between chips. The shielding material, when combined with an existing shielding process, can achieve good shielding from low frequencies to high frequencies, and has very low process costs.

Semiconductor package comprising a heat dissipation structure and an outer peripheral frame used as a resin flow barrier

A semiconductor package includes: an insulating substrate; a first semiconductor chip; a second semiconductor chip with a thickness smaller than a thickness of the first semiconductor chip; a heat radiation member in which a main surface located on an opposite side of an active surface of the first semiconductor chip and an active surface of the second semiconductor chip, respectively, are bonded to a lower surface; and a sealing resin having contact with at least part of a side wall of the heat radiation member without being raised over an upper surface of the heat radiation member to seal the first and second semiconductor chips on the insulating substrate, wherein in the heat radiation member, a thickness of a first bonding part to which the first semiconductor chip is bonded is smaller than a thickness of a second bonding part to which the second semiconductor chip is bonded.

Method of manufacturing an integrated fan-out package having fan-out redistribution layer (RDL) to accommodate electrical connectors

A method includes forming a through-via from a first conductive pad of a first device die. The first conductive pad is at a top surface of the first device die. A second device die is adhered to the top surface of the first device die. The second device die has a surface conductive feature. The second device die and the through-via are encapsulated in an encapsulating material. The encapsulating material is planarized to reveal the through-via and the surface conductive feature. Redistribution lines are formed over and electrically coupled to the through-via and the surface conductive feature.

Package structure

Package structures and methods for forming the same are provided. The package structure includes an integrated circuit die and a package layer surrounding the integrated circuit die. The package structure also includes a redistribution structure over the package layer and electrically connected to the integrated circuit die. The redistribution structure includes a passivation layer and a conductive layer formed in the passivation layer. The integrated circuit die further includes a connector formed over the conductive layer and covered a top surface of the passivation layer. In addition, a bottom surface of the connector and a top surface of the connector are both wider than a neck portion of the connector.

Composite media protection for pressure sensor
11532532 · 2022-12-20 · ·

Embodiments for a packaged semiconductor device and methods of making are provided herein, where a packaged semiconductor device includes a package body having a recess in which a pressure sensor is exposed; a polymeric gel within the recess that vertically and laterally surrounds the pressure sensor; and a protection layer including a plurality of beads embedded within a top region of the polymeric gel.

SEMICONDUCTOR ENCAPSULATION METHOD AND SEMICONDUCTOR ENCAPSULATION STRUCTURE
20220399207 · 2022-12-15 ·

A semiconductor encapsulation method, comprising: forming a protection layer on a front side of a chip to be encapsulated; arranging said chip, with the protection layer being formed on the front side thereof, on a carrier plate, wherein the front side of said chip faces upwards and a back side thereof faces the carrier plate; and encapsulating, on the carrier plate, said chip and the protection layer to form a plastic encapsulation layer. Further provided is a semiconductor encapsulation structure.

SEMICONDUCTOR DEVICE
20220399253 · 2022-12-15 ·

Provided is a semiconductor device including: a lead frame having an upper surface provided with a concave portion and a lower surface provided with a convex portion; a semiconductor chip fixed to the upper surface of the lead frame; a solder layer provided in the concave portion and fixing the semiconductor chip to the upper surface of the lead frame; and a sealing resin for sealing the semiconductor chip and the lead frame. A thickness of the solder layer is larger than a depth of the concave portion. The sealing resin covers at least a part of the lower surface of the lead frame. At least a part of the convex portion of the lead frame is exposed from the sealing resin.

Resin composition, semiconductor sealing material, one-part adhesive and adhesive film
11518867 · 2022-12-06 · ·

To improve storage stability of a resin composition used for applications such as a semiconductor sealing material. The resin composition is a resin composition that includes (A) an epoxy resin, (B) a curing agent, and (C) a silica filler. The silica filler of component (C) is surface-treated with a basic substance having a conjugate acid dissociation constant (pKa) of 9.4 or more. The resin composition further includes (D) a silane coupling agent, or the silica filler of component (C) is further surface-treated with a silane coupling agent.