H01L29/4011

Method for fabricating a semiconductor device with a programmable contact
11575016 · 2023-02-07 · ·

The present application discloses a method for fabricating a semiconductor device includes providing a substrate, forming a gate stack on the substrate and a pair of heavily-doped regions in the substrate, forming a programmable contact having a first width on the gate stack, and forming a first contact having a second width, which is greater than the first width, on one of the pair of heavily-doped regions.

Semiconductor structure and forming method thereof

The present disclosure relates to the technical field of semiconductors, and provides a semiconductor structure and a forming method thereof. The forming method includes: providing a base and a plurality of stack structures that are located on the base, arranged at intervals, and extend along a first direction, wherein the stack structures each include a plurality of semiconductor layers arranged at intervals in a direction perpendicular to a surface of the base, and a top surface and a bottom surface opposite to each other of each of the semiconductor layers are each provided with a first sacrificial layer, a surface of the first sacrificial layer that is away from the semiconductor layer is provided with a second sacrificial layer, a same etching process has different etching rates for the first sacrificial layer and the second sacrificial layer, an isolation layer is provided between adjacent ones of the stack structures.

SEMICONDUCTOR STRUCTURES AND METHODS OF FORMING THE SAME

Semiconductor structures and methods of forming the same are provided. A semiconductor structure includes gate electrodes and first insulation patterns laterally disposed and alternately arranged on a substrate, a gate dielectric layer disposed on the gate electrodes and the first insulation patterns, at least one channel pattern disposed on the gate dielectric layer, source electrodes and drain electrodes laterally disposed and alternately arranged on the channel pattern, and second insulation patterns disposed on the channel pattern between the source and drain electrodes. Besides, from a top view, each of the drain electrodes is overlapped with one of the first insulation patterns.

THREE-DIMENSIONAL MEMORY DEVICE WITH HIGH MOBILITY CHANNELS AND NICKEL ALUMINUM SILICIDE OR GERMANIDE DRAIN CONTACTS AND METHOD OF MAKING THE SAME
20220045087 · 2022-02-10 ·

A memory device can include a strained single-crystalline silicon layer and an alternating stack of insulating layers and electrically conductive layers located over the strained single-crystalline silicon layer. A memory opening fill structure extending through the alternating stack may include an epitaxial silicon-containing pedestal channel portion, and a vertical semiconductor channel, and a vertical stack of memory elements located adjacent to the vertical semiconductor channel. Additionally or alternatively, a drain region can include a semiconductor drain portion and a nickel-aluminum-semiconductor alloy drain portion.

Gate Dielectric Preserving Gate Cut Process
20220037196 · 2022-02-03 ·

Gate cutting techniques for integrated circuit devices, particularly for fin-like field effect transistor devices, are disclosed herein. An exemplary method includes receiving an integrated circuit device that includes a gate structure and performing a gate cut process to separate the gate structure into a first gate structure and a second gate structure. The gate cut process includes selectively removing a portion of the gate structure, such that a residual gate dielectric layer extends between the first gate structure and the second gate structure. In some implementations, the residual gate dielectric includes a high-k dielectric material. The method further includes forming a gate isolation region between the first gate structure and the second gate structure.

Variable implant and wafer-level feed-forward for dopant dose optimization

The present disclosure provides a method for adjusting implant parameter conditions in semiconductor processing by wafer and by wafer zone using in-line measurements from previous operations and a feed-forward computer model. The feed-forward model is based on a sensitivity map of in-line measured data and its effect of electrical performance. Feed-forward computer models that adjust implant parameters by wafer and by zone improve both wafer-to-wafer and within wafer electrical uniformity in semiconductor devices.

Memory device and method for manufacturing the same

A method for manufacturing a memory device is provided. The method includes depositing a floating gate electrode film over a semiconductor substrate; patterning the floating gate electrode film into at least one floating gate electrode having at least one opening therein; depositing a control gate electrode film over the semiconductor substrate to overfill the at least one opening of the floating gate electrode; and patterning the control gate electrode film into at least one control gate electrode over the floating gate electrode.

SEMICONDUCTOR DEVICE

A semiconductor device includes an electric-charge storing film, an electrode, a first block film, and a second block film. The first block film is arranged between the electric-charge storing film and the electrode.

The second block film is arranged between the first block film and the electric-charge storing film. The first block film is an oxide film containing tantalum, and an electric permittivity of the first block film is larger than an electric permittivity of the second block film.

LOW RESISTANCE GATE OXIDE METALLIZATION LINER

Methods and apparatuses for forming low resistivity tungsten using tungsten nitride barrier layers are provided herein. Methods involve depositing extremely thin tungsten nitride barrier layers prior to depositing tungsten nucleation and bulk tungsten layers. Methods are applicable for fabricating tungsten word lines in 3D NAND fabrication as well as for fabricating tungsten-containing components of DRAM and logic fabrication. Apparatus included processing stations with multiple charge volumes to pressurize gases in close vicinity to a showerhead of a processing chamber for processing semiconductor substrates.

Memory device

A memory device is provided. The memory device includes a semiconductor substrate, a tunneling layer, a floating gate electrode, a dielectric layer, and a control gate electrode. The semiconductor substrate has an active region. The tunneling layer is over the active region of the semiconductor substrate. The floating gate electrode is over the tunneling layer. The floating gate electrode has a first portion and a second portion electrically connected to the first portion. The dielectric layer is over the floating gate electrode. The control gate electrode is over the dielectric layer. The control gate electrode has a first portion interposed between the first and second portions of the floating gate electrode.