Deca Technologies Usa, Inc.

Robin Davis

Timothy Lee Olson

Clifford Sandstrom

Paul R Hoffman

Craig Bishop

A method and related structure for a encapsulant defined land grid array (LGA) may comprise a semiconductor chip comprising conductive studs disposed over an active layer of the semiconductor chip, and a first encapsulant disposed around at least a portion of sidewalls of the conductive studs. A surface of the first encapsulant and conductive studs may be planarized. Conductive traces may be disposed over the encapsulant and coupled with the conductive studs. A dielectric layer may be disposed adjacent the conductive traces. LGA pads may be coupled with the conductive traces. A second encapsulant may be disposed over the dielectric layer and the LGA pads. A planar surface may be formed comprising the second encapsulant around the LGA pads and attachment areas on or over the LGA pads. The plurality of attachment areas may be coplanar or recessed the planar surface.

Encapsulant-defined land grid array (LGA) package and method for making the same

A method of making a QFN, DEN, or SON package may comprise forming an embedded chip panel comprising a plurality of semiconductor chips embedded in encapsulant and separated by saw streets. A conductive layer may be formed over the embedded chip panel, the conductive layer comprising bussing lines, contact pads, traces, and tie bars, wherein the bussing lines and tie bars extend into the saw streets. Vertical conductive elements may be disposed over and coupled with the conductive layer. An encapsulant layer may be disposed over the conductive layer and around the vertical conductive elements, wherein the vertical conductive elements comprise exposed ends and at least a portion of the tie bars is exposed from the encapsulant layer. Land pads, a conductive pad finish, or SMS may be electroplated over the vertical conductive elements by providing a current through the bussing lines and tie bars.

Quad flat no-lead (QFN) package with tie bars and direct contact interconnect build-up structure and method for making the same

A method of making an assembly or package comprising 3D blocks may include forming a conductive element horizontally oriented over a first carrier, forming support material around the conductive element, and singulating the conductive element and the support material to form a plurality of 3D blocks. The method may further include rotating each of the plurality of 3D blocks and mounting the plurality of 3D blocks over a second carrier with the conductive traces of the 3D blocks vertically oriented to form a vertically oriented conductive element. A plurality of components may be disposed laterally offset from each of the plurality of 3D blocks, an encapsulant may be disposed thereover s to form a reconstituted panel that may be singulated to form a plurality of individual assemblies.

Semiconductor assembly comprising a 3D block and method of making the same

A method of making a semiconductor device may include providing a large semiconductor die comprising conductive interconnects with a first encapsulant disposed over four side surfaces of the large semiconductor die, over the active surface of the large semiconductor die, and around the conductive interconnects. A first build-up interconnect structure may be formed over the large semiconductor die and over the first encapsulant. Vertical conductive interconnects may be formed over the first build-up interconnect structure and around an embedded device mount site. An embedded device comprising through silicon vias (TSVs) may be disposed over the embedded device mount site. A second encapsulant may be disposed over the build-up structure, and around at least five sides of the embedded device. A second build-up structure may be formed disposed over the planar surface and configured to be electrically coupled to the TSVs of the embedded device and the vertical conductive interconnects.

Fully molded semiconductor structure with through silicon via (TSV) vertical interconnects

The disclosure concerns devices and methods of forming an electronic assembly or semiconductor assembly, such as fully molded structures, comprising at least two components of a same or differing heights, which may further comprise a backside conductive material. The backside conductive material may be a good thermal conductor, a good electrical conductor, or both.

Fully molded structure with multi-height components comprising backside conductive material and method for making the same

An electronic assembly may include a component comprising conductive studs disposed over an active layer of the component. A first encapsulant layer may be disposed around four side surfaces of the component, over the active layer of the component, and contacting at least a portion of the sides of the conductive studs. A substantially planar surface may be disposed over the active layer of the component, wherein the substantially planar surface comprises ends of the conductive studs and the first encapsulant layer. The first encapsulant layer comprises a roughness less than 500 nanometers. First conductive elements may be disposed over the encapsulant and coupled with the conductive studs. A second layer of encapsulant may be disposed over the first conductive elements.

Molded direct contact interconnect structure without capture pads and method for the same

The disclosure concerns method of making a molded substrate, comprising providing a carrier; forming a first conductive layer and first vertical conductive contacts over the carrier; disposing a first layer of encapsulant over the first conductive layer and first vertical conductive contacts; planarizing the first vertical conductive contacts and the first layer of encapsulant to form a first planar surface; forming a second conductive layer and second vertical conductive contacts over the first layer of encapsulant and configured to be electrically coupled with the first conductive layer and first vertical conductive contacts; disposing a second layer of encapsulant over the second conductive layer and second vertical conductive contacts; planarizing the second vertical conductive contacts and the second layer of encapsulant to form a second planar surface; and forming first conductive bumps over the second planar surface, opposite the carrier.

Molded direct contact interconnect substrate and methods of making same

A semiconductor device may include an embedded device comprising through silicon vias (TSVs) extending from a first surface to a second surface opposite the first surface, wherein the embedded device comprises an active device, a semiconductor die comprising an active surface formed at the first surface, an integrated passive device (IPD), or a passive device. Encapsulant may be disposed over at least five sides of the embedded device. A first electrical interconnect structure may be coupled to a first end of the TSV at the first surface of the embedded device, and a second electrical interconnect structure may be coupled to a second end of the TSV at the second surface of the embedded device. A semiconductor die (e.g. a system on chip (SoC), memory device, microprocessor, graphics processor, or analog device), may be mounted over the first electrical interconnect of the TSV.

Stackable fully molded semiconductor structure with through silicon via (TSV) vertical interconnects and method of making the same

A method and related structure for a quad flat no-lead (QFN), dual flat no-lead (DFN) or small outline no-lead (SON) package without a leadframe. Disposing semiconductor chips face-up on a temporary carrier, disposing a first encapsulant layer around the semiconductor chip, the active layer and conductive stumps, forming a conductive layer and conductive contacts over the planar surface, disposing encapsulant over the first encapsulant layer, conductive layer and conductive contacts, forming a photoresist over the encapsulant with openings, forming conductive pads within the openings, forming a solderable metal system (SMS) or applying an organic solderability preservative (OSP) over the conductive pads, and cutting through the encapsulant around the chip to form the outline of a package.

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Vancouver, WA, United States of America

Robin Davis