H10W20/425

STRUCTURES WITH THROUGH-SUBSTRATE VIAS AND METHODS FOR FORMING THE SAME

A microelectronic structure with through substrate vias (TSVs) and method for forming the same is disclosed. The microelectronic structure can include a bulk semiconductor with a via structure. The via structure can have a first and second conductive portion. The via structure can also have a barrier layer between the first conductive portion and the bulk semiconductor. The structure can have a second barrier layer between the first and second conductive portions. The second conductive portion can extend from the second barrier layer to the upper surface of the bulk semiconductor. The microelectronic structure containing TSVs is configured so that the microelectronic structure can be bonded to a second element or structure.

SEMICONDUCTOR DEVICE WITH POROUS LAYER AND METHOD FOR FABRICATING THE SAME
20260040846 · 2026-02-05 ·

The present application discloses a semiconductor device and a method for fabricating the semiconductor device. The semiconductor device includes a substrate; a bottom interconnector layer positioned in the substrate; a bottom dielectric layer positioned on the bottom glue layer; an interconnector structure positioned along the bottom dielectric layer and the bottom glue layer, positioned on the bottom interconnector layer, and positioned on the bottom dielectric layer; a top glue layer conformally positioned on the bottom dielectric layer and the interconnector structure; a top dielectric layer positioned surrounding the top glue layer. A top surface of the top glue layer and a top surface of the top dielectric layer are substantially coplanar. The top dielectric layer is porous.

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING THE SAME

A semiconductor device includes a first structure including a first insulating layer and a first conductive wiring arranged on the first insulating layer, a second-1 insulating layer arranged above the first structure in a first direction, a via hole penetrating the second-1 insulating layer in the first direction, a barrier layer arranged at a lower side of the via hole, and a via plug electrically connected to the first conductive wiring and arranged to fill a remaining space in an internal space of the via hole, excluding the barrier layer.

RIVET STRUCTURE AND METHOD

Semiconductor devices and methods are disclosed, including memory cells/memory strings, semiconductor devices and systems. Example semiconductor devices and methods include a stack of alternating dielectric layers and conductor layers, and a vertical conductor passing between a top level of the stack and a bottom level of the stack. Lateral connections are included between a location along the vertical conductor and a selected conductor layer from the stack, wherein a direct interface is formed between the vertical conductor and the selected conductor layer.

Interconnects including graphene capping and graphene barrier layers

A semiconductor structure includes a semiconductor substrate, a dielectric layer, a via, a first graphene layer, and a metal line. The dielectric layer is over the semiconductor substrate. The via extends through the dielectric layer. The first graphene layer extends along a top surface of the via. The metal line spans the first graphene layer. The metal line has a line width decreasing as a distance from the first graphene layer increases.

Selective film formation using self-assembled monolayer

A film forming method includes: a preparation process of preparing a substrate having a surface from which a first film without containing silicon and a second film are exposed; a first film formation process of forming a self-assembled monolayer, which has a fluorine-containing functional group and inhibits formation of a third film containing silicon, on the first film; a second film formation process of forming the third film on the second film; a modification process of decomposing the self-assembled monolayer by plasma using a gas containing hydrogen and nitrogen while maintaining a temperature of the substrate to be 70 degrees C. or lower, so that a side portion of the third film, which is formed in a vicinity of the self-assembled monolayer, is modified into ammonium fluorosilicate by active species contained in the decomposed self-assembled monolayer; and a removal process of removing the ammonium fluorosilicate.

Forming liners to facilitate the formation of copper-containing vias in advanced technology nodes

A semiconductor device includes a source/drain component of a transistor. A source/drain contact is disposed over the source/drain component. A source/drain via is disposed over the source/drain contact. The source/drain via contains copper. A first liner at least partially surrounds the source/drain via. A second liner at least partially surrounds the first liner. The first liner and the second liner are disposed between the source/drain contact and the source/drain via. The first liner and the second liner have different material compositions.

Method of overlay measurement

A method includes depositing an inter-metal dielectric (IMD) layer over a conductive line. A via opening is formed in the IMD layer and directly over the conductive line. A width of the conductive line is greater than a width of the via opening. An overlay measurement is performed. The overlay measurement includes obtaining a backscattered electron image of the via opening and the conductive line and determining an overlay between the via opening and the conductive line according to the backscattered electron image.

Semiconductor structure and method for forming the same

A semiconductor structure includes a first dielectric layer on a substrate, a conductive structure disposed in the first dielectric layer and including a terminal portion and an extending portion connecting the terminal portion and extending away from the terminal portion, a second dielectric layer disposed on the first dielectric layer, a conductive via through the second dielectric layer and directly contacting the extending portion, and a dummy via through the second dielectric layer and directly contacting the terminal portion. In a cross-sectional view, a width of the dummy via is smaller than 50% of a width of the conductive via.

Selective formation of conductor nanowires

A method includes etching a mandrel layer to form mandrel strips, and selectively depositing metal lines on sidewalls of the mandrel strips. During the selective deposition, top surfaces of the mandrel strips are masked by dielectric masks. The method further includes removing the mandrel layer and the dielectric masks, filling spaces between the metal lines with a dielectric material, forming via openings in the dielectric material, with top surfaces of the metal lines exposed to the via openings, and filling the via openings with a conductive material to form vias.