Advanced Semiconductor Engineering, Inc.

Cheng-Yi Weng

Chi-Chih Chu

Chi-Chih Shen

Jen-Chuan Chen

Wen-Hsiung Chang

Kuang-Hsiung Chen

Hui-Shan Chang

Chien-Yuan Tseng

Pei-Yu Hsu

Fa-Hao Wu

Chen-Yu Chia

Ya-Wen Hsu

The present stacked semiconductor packages include a bottom package and a top package. The bottom package includes a substrate, a solder mask layer, a plurality of conductive pillars and a die electrically connected to the substrate. The solder mask layer has a plurality of openings exposing a plurality of pads on the substrate. The conductive pillars are disposed on at least a portion of the pads, and protrude from the solder mask layer.

Stacked semiconductor packages and related methods

The present invention relates to a semiconductor package. The semiconductor package includes a substrate, at least one chip, a plurality of conductive elements, a plurality of first conductors and a molding compound. The substrate has a plurality of first pads and a solder mask. The first pads are exposed to a first surface of the substrate, and the material of the first pads is copper. The solder mask is disposed on the first surface, contacts the first pads directly, and has at least one opening so as to expose part of the first pads. The chip is mounted on the first surface of the substrate. The conductive elements electrically connect the chip and the substrate. The first conductors are disposed on the first pads. The molding compound is disposed on the first surface of the substrate, and encapsulates the chip, the conductive elements and part of the first conductors. Whereby, the solder mask contacts the first pads directly, and thus results in higher bonding strength, so as to avoid the bridge between the first conductors caused by the first conductors permeating into the interface between the solder mask and the first pads.

Semiconductor package

Described herein are stackable semiconductor device packages and related stacked package assemblies and methods. In one embodiment, a manufacturing method includes: (1) providing a substrate including contact pads disposed adjacent to an upper surface of the substrate; (2) applying an electrically conductive material to form conductive bumps disposed adjacent to respective ones of the contact pads; (3) electrically connecting a semiconductor device to the upper surface of the substrate; (4) applying a molding material to form a molded structure covering the conductive bumps and the semiconductor device; (5) forming a set of cutting slits extending partially through the molded structure and the conductive bumps to form truncated conductive bumps; and (6) reflowing the truncated conductive bumps to form reflowed conductive bumps.

Stackable semiconductor device packages

In one embodiment, a semiconductor device package includes: (1) a substrate unit; (2) connecting elements disposed adjacent to a periphery of the substrate unit and extending upwardly from an upper surface of the substrate unit; (3) a semiconductor device disposed adjacent to the upper surface of the substrate unit and electrically connected to the substrate unit; and (4) a package body disposed adjacent to the upper surface of the substrate unit and covering the semiconductor device. A lateral surface of the package body is substantially aligned with a lateral surface of the substrate unit. The package body defines openings that at least partially expose respective ones of the connecting elements. At least one of the connecting elements has a width W, and at least one of the openings has a width Wadjacent to an upper surface of the package body, such that W&#x3e;W.

Stackable semiconductor device packages including openings partially exposing connecting elements, conductive bumps, or conductive conductors

In one embodiment, a manufacturing method includes: (1) applying a first electrically conductive material to an upper surface of a substrate to form first conductive bumps; (2) electrically connecting a semiconductor device to the upper surface of the substrate; (3) applying a molding material to form a molded structure covering the first conductive bumps and the semiconductor device, upper ends of the first conductive bumps being recessed below an upper surface of the molded structure; (4) forming openings adjacent to the upper surface of the molded structure, the openings exposing the upper ends of the first conductive bumps; (5) applying, through the openings, a second electrically conductive material to form second conductive bumps; and (6) forming cutting slits extending through the molded structure and the substrate.

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Kaohsiung, Taiwan

Cheng-Yi Weng