Bridge Semiconductor Corporation

Sangwhoo Lim

Charles W C Lin

Chia-Chung Wang

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and first and second adhesives. The semiconductor device is electrically connected to the conductive trace and thermally connected to the heat spreader. The heat spreader includes a post and a base. The post extends upwardly from the base through an opening in the first adhesive, and the base extends laterally from the post. The first adhesive extends between the base and the conductive trace and the second adhesive extends between the post and the conductive trace. The conductive trace provides signal routing between a pad and a terminal.

Semiconductor chip assembly with post/base heat spreader and dual adhesives

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a post, a base and a flange. The conductive trace includes a pad and a terminal. The semiconductor device extends into a cavity in the flange, is electrically connected to the conductive trace and is thermally connected to the heat spreader. The post extends upwardly from the base into an opening in the adhesive, the flange extends upwardly from the post in the opening and extends laterally above the adhesive, the cavity extends into the opening and the base extends laterally from the post. The conductive trace is located outside the cavity and provides signal routing between the pad and the terminal.

Semiconductor chip assembly with post/base/flange heat spreader and cavity in flange

A method of making a semiconductor chip assembly includes providing a thermal post, a signal post and a base, mounting an adhesive on the base including inserting the thermal post into a first opening in the adhesive and the signal post into a second opening in the adhesive, mounting a conductive layer on the adhesive including aligning the thermal post with a first aperture in the conductive layer and the signal post with a second aperture in the conductive layer, then flowing the adhesive upward between the thermal post and the conductive layer and between the signal post and the conductive layer, solidifying the adhesive, providing a conductive trace that includes a pad, a terminal and the signal post, wherein the pad includes a selected portion of the conductive layer, mounting a semiconductor device on the thermal post, wherein a heat spreader includes the thermal post and the base and the semiconductor device extends into a cavity in the thermal post, electrically connecting the semiconductor device to the conductive trace and thermally connecting the semiconductor device to the heat spreader.

Method of making a semiconductor chip assembly with a post/base heat spreader, a signal post and a cavity

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a post, a base and a ceramic block. The post extends upwardly from the base into an opening in the adhesive, the base extends laterally from the post and the ceramic block is embedded in the post. The semiconductor device overlaps the ceramic block, is electrically connected to the conductive trace and is thermally connected to the ceramic block. The adhesive extends between the post and the conductive trace and between the base and the conductive trace. The conductive trace provides signal routing between a pad and a terminal.

Semiconductor chip assembly with post/base heat spreader and ceramic block in post

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a thermal post and a base. The conductive trace includes a pad, a terminal and a signal post. The semiconductor device extends into a cavity in the thermal post, is electrically connected to the conductive trace and is thermally connected to the heat spreader. The thermal post extends upwardly from the base into a first opening in the adhesive, and the signal post extends upwardly from the terminal into a second opening in the adhesive. The conductive trace is located outside the cavity and provides signal routing between the pad and the terminal.

Semiconductor chip assembly with post/base heat spreader, signal post and cavity

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a base. A cavity extends through the adhesive into the base. The semiconductor device extends into the cavity, is electrically connected to the conductive trace and is thermally connected to the heat spreader. The adhesive extends between the cavity and the conductive trace and between the base and the conductive trace. The conductive trace is located outside the cavity and provides signal routing between a pad and a terminal.

Semiconductor chip assembly with base heat spreader and cavity in base

A semiconductor chip assembly includes a semiconductor device, a heat spreader, a conductive trace and an adhesive. The heat spreader includes a post and a base. The semiconductor device extends into a cavity in the post, is electrically connected to the conductive trace and is thermally connected to the heat spreader. The post extends upwardly from the base into an opening in the adhesive, and the base extends laterally from the post. The adhesive extends between the post and the conductive trace and between the base and the conductive trace. The conductive trace is located outside the cavity and provides signal routing between a pad and a terminal.

Semiconductor chip assembly with post/base heat spreader and cavity in post

A method of making a semiconductor chip assembly includes providing a post and a base, mounting an adhesive on the base including inserting the post into an opening in the adhesive, mounting a substrate on the adhesive including aligning the post with an aperture in the substrate, then flowing the adhesive into and upward in a gap located in the aperture between the post and the substrate, solidifying the adhesive, then etching the post to form a cavity in the adhesive above the post, then mounting a semiconductor device on the post, wherein a heat spreader includes the post and the base and the semiconductor device extends into the cavity, electrically connecting the semiconductor device to the substrate and thermally connecting the semiconductor device to the heat spreader.

Method of making a semiconductor chip assembly with a post/base heat spreader and a cavity over the post

A method of making a semiconductor chip assembly includes providing a post and a base, mounting a first adhesive on the base including inserting the post through an opening in the first adhesive, mounting a conductive layer on the base including aligning the post with an aperture in the conductive layer, providing a conductive trace that includes a pad, a terminal and a selected portion of the conductive layer, then flowing a second adhesive into and downward in a gap between the post and the conductive trace, solidifying the second adhesive, then mounting a semiconductor device on a heat spreader that includes the post and the base, electrically connecting the semiconductor device to the conductive trace and thermally connecting the semiconductor device to the heat spreader.

Method of making a semiconductor chip assembly with a post/base heat spreader and dual adhesives

A method of making a semiconductor chip assembly includes providing a post and a base, mounting an adhesive on the base including inserting the post into an opening in the adhesive, mounting a substrate on the adhesive including aligning the post with an aperture in the substrate, then flowing the adhesive into and upward in a gap located in the aperture between the post and the substrate, solidifying the adhesive, then etching the post to form a cavity in the post, then mounting a semiconductor device on the post, wherein a heat spreader includes the post and the base and the semiconductor device extends into the cavity, electrically connecting the semiconductor device to the substrate and thermally connecting the semiconductor device to the heat spreader.

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Johor, Malaysia

Sangwhoo Lim