H01L21/76838

LEADED SEMICONDUCTOR PACKAGE FORMATION USING LEAD FRAME WITH STRUCTURED CENTRAL PAD

A method includes providing a lead frame with a central metal plate and a plurality of leads extending away from the central metal plate, the central metal plate including an upper surface that includes a first mesa that is elevated from recessed regions, mounting a semiconductor die on the upper surface of central metal plate such that a lower surface of the semiconductor die is at least partially disposed on the first mesa, forming electrical interconnections between terminals of the semiconductor die and the leads, forming an encapsulant body on the central metal plate such that the semiconductor die is encapsulated by the encapsulant body and such that the leads protrude out from edge sides of the encapsulant body, and thinning the central metal plate from a rear surface of the central metal plate so as to isolate the first mesa at a lower surface of the encapsulant body.

MICROELECTRONIC DEVICES INCLUDING SUPPORT PILLAR STRUCTURES, AND RELATED MEMORY DEVICES
20220367500 · 2022-11-17 ·

A microelectronic device comprises a stack structure comprising alternating conductive structures and insulative structures arranged in tiers, the tiers individually comprising one of the conductive structures and one of the insulative structures, first support pillar structures extending through the stack structure within a first region of the microelectronic device, the first support pillar structures electrically isolated from a source structure underlying the stack structure, second support pillar structures extending through the stack structure within a second region of the microelectronic device, the second support pillar structures comprising an electrically conductive material in electrical communication with the source structure, and bridge structures extending between at least some neighboring first support pillar structures of the first support pillar structures. Related memory devices, electronic systems, and methods are also described.

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
20170338240 · 2017-11-23 ·

A semiconductor device according to an embodiment, includes a stacked body, a plurality of first terraces, a second terrace, a plurality of interconnects, a plurality of conductive bodies. The stacked body includes a plurality of electrode layers. The stacked body includes a stairstep portion at an end portion of the stacked body. The plurality of first terraces are provided in the stairstep portion. The second terrace is provided in the stairstep portion. The plurality of interconnects are provided from the second terrace to the plurality of first terraces. The plurality of interconnects contact one of the plurality of electrode layers at the stairstep portion. The plurality of conductive bodies are provided above the second terrace. The plurality of conductive bodies extend in a stacking direction of the stacked body. The conductive bodies contact the interconnects above the second terrace.

MANGANESE BARRIER AND ADHESION LAYERS FOR COBALT

Provided herein are methods of forming conductive cobalt (Co) interconnects and Co features. The methods involve deposition of a thin manganese (Mn)-containing film on a dielectric followed by subsequent deposition of cobalt on the Mn-containing film. The Mn-containing film may be deposited on a silicon-containing dielectric, such as silicon dioxide, and annealed to form a manganese silicate.

Nanowires with magnetic coatings and methods for making and using

Coated nanowires comprising a core and a ferromagnetic coating are magnetically aligned and bound to a substrate. The substrate may have a thiol-functionalized surface. In some examples, the coated nanowires are nickel-coated copper nanowires and the substrate may be a carbon-doped oxide or silicon oxide.

Method of packaging integrated circuits

Integrated circuits are packaged by placing a plurality of semiconductor dies on a support substrate, each one of the semiconductor dies having a plurality of terminals at a side facing the support substrate and covering the semiconductor dies with a molding compound to form a molded structure. The support substrate is then removed from the molded structure to expose the side of the semiconductor dies with the terminals, and a metal redistribution layer is formed on the molded structure and in direct contact with the terminals of the semiconductor dies and the molding compound. The redistribution layer is formed without first forming a dielectric layer on a side of the molded structure with the terminals of the semiconductor dies. A corresponding molded substrate and individual molded semiconductor packages are also disclosed.

Integrated circuit structure having through-silicon via and method of forming same

One aspect of the disclosure relates to an integrated circuit structure. The integrated circuit structure may include a front side and back side opposing the front side, the integrated circuit structure comprising: a through-silicon-via (TSV) at least partially within a dielectric layer extending away from the front side; a first metal adjacent to the TSV and within the dielectric layer, the first metal being substantially surrounded by a first seed layer; a conductive pad over the first metal and the TSV and extending away from the front side, wherein the conductive pad provides electrical connection between the TSV and the first metal and includes a second seed layer substantially surrounding a second metal, wherein the second seed layer separates the second metal from the first metal and the TSV.

MANUFACTURING METHOD FOR GRAPHENE FILM, POROUS SILICA POWDER AND TRANSPARENT CONDUCTIVE LAYER
20220056578 · 2022-02-24 ·

The present application discloses a manufacturing method for a graphene film, a porous silica powder and a transparent conductive layer. The manufacturing method for a graphene film includes steps of: providing a porous material powder; placing the porous material powder in an atomic layer deposition device; forming a porous material template having a metal catalyst layer in pores; and preparing the graphene film on the porous material template.

Semiconductor devices and methods of formation thereof

In one embodiment, a semiconductor device includes a first contact pad disposed at a top side of a workpiece, a second contact pad disposed at the top side of the workpiece. An isolation region is disposed between the first contact pad and the second contact pad. A metal strip is disposed at least partially within the isolation region. The metal strip is not coupled to an external potential node.

Methods of forming patterns using photomask layout
09798227 · 2017-10-24 · ·

A photomask layout includes: a substrate region; a lower stepped region at a region of the substrate region; and a pattern region at least partially crossing the lower stepped region and including at least one notch portion at an area overlapping the lower stepped region. A method of forming a pattern is also provided.