H10D30/694

Embedded HKMG non-volatile memory

The present disclosure relates to an integrated circuit (IC) that includes a high-k metal gate (HKMG) non-volatile memory (NVM) device and that provides small scale and high performance, and a method of formation. In some embodiments, the integrated circuit includes a logic region having a logic device disposed over a substrate and including a first metal gate electrode disposed over a first high-k gate dielectric layer and an embedded memory region disposed adjacent to the logic region. The embedded memory region has a non-volatile memory (NVM) device including a second metal gate electrode disposed over the high-k gate dielectric layer. By having HKMG structures in both the logic region and the memory region, IC performance is improved and further scaling becomes possible in emerging technology nodes.

FORMATION OF GETTER LAYER FOR MEMORY DEVICE
20170294363 · 2017-10-12 ·

A method includes providing a semiconductor device disposed on a substrate, wherein the semiconductor device includes a semiconductor device feature, forming a conductive layer over the substrate such that the conductive layer is electrically coupled to the semiconductor device feature, forming a getter layer over the conductive layer, wherein the getter layer includes a first layer that is formed of titanium and a second layer overlying the first layer that is formed of tantalum nitride, and forming an interconnect layer over the getter layer such that the interconnect layer is electrically coupled to the semiconductor device feature.

METHODS OF FORMING MEMORY CELLS WITH AIR GAPS AND OTHER LOW DIELECTRIC CONSTANT MATERIALS
20170287719 · 2017-10-05 ·

Various embodiments include apparatuses and methods of forming the same. One such apparatus can include a first dielectric material and a second dielectric material, and a conductive material between the first dielectric material and the second dielectric material. A charge storage element, such as a floating gate or charge trap, is between the first dielectric material and the second dielectric material and adjacent to the conductive material. The charge storage element has a first surface and a second surface. The first and second surfaces are substantially separated from. the first dielectric material and the second dielectric material, respectively, by a first air gap and a second air gap. Additional apparatuses and methods are disclosed.

SEMICONDUCTOR DEVICE AND METHOD FOR MANUFACTURING THE SAME
20170271463 · 2017-09-21 ·

A method for manufacturing a semiconductor device includes forming a conductive pattern on a substrate, forming a filling insulation layer covering the conductive pattern, forming a contact hole in the filling insulation layer and adjacent to the conductive pattern, forming an opening in the conductive pattern by removing a portion of the conductive pattern adjacent to the contact hole such that the opening is connected to the contact hole, and forming a contact plug filling the contact hole and the opening. A width of the opening is greater than a width of the contact hole.

SEMICONDUCTOR MEMORY DEVICE

According to one embodiment, a semiconductor memory device includes a semiconductor layer, a first electrode, first and second oxide layers, and a storage layer. The first oxide layer is provided between the semiconductor layer and the first electrode. The second oxide layer is provided between the first oxide layer and the first electrode. The storage layer is provided between the first and second oxide layers. The storage layer includes a first region including silicon nitride, a second region provided between the first region and the second oxide layer and including silicon nitride, and a third region provided between the first and second regions. The third region includes a plurality of first metal atoms. A first density of bond of the first metal atoms in the third region is lower than a second density of bond of the first metal atom and a nitrogen atom in the third region.

Semiconductor device
09768191 · 2017-09-19 · ·

According to one embodiment, a semiconductor device includes a stacked body; a columnar portion; a plate portion; and a blocking insulating film. The stacked body includes a plurality of electrode layers. The columnar portion includes a semiconductor body and a charge storage film. The plate portion includes a conductor and a sidewall insulating film. The sidewall insulating film is provided between the conductor and the insulator and between the conductor and the electrode layers. The conductor contacts the major surface of the substrate. The blocking insulating film is provided between the sidewall insulating film and the insulator, between the insulator and the electrode layers, and between the charge storage film and the electrode layers. The blocking insulating film includes a first blocking insulating layer and a second blocking insulating layer, the second blocking insulating layer being different from the first blocking insulating layer.

Method of manufacturing split-gate non-volatile memory with hi-voltage and low-voltage peripheral circuitry
09768187 · 2017-09-19 · ·

To provide a semiconductor device having improved performance. A method of manufacturing the semiconductor device includes forming, after formation of a control gate electrode and a memory gate electrode, a conductive film on an insulating film made of a high-dielectric-constant film via a metal film; patterning the conductive film and thereby forming a gate electrode including the metal film and the conductive film in a high-voltage MISFET region, while forming a metal film portion and a conductive film portion in a low-voltage MISFET region; and then, removing the conductive film portion from the low-voltage MISFET region, forming another conductive film on the metal film portion, and forming a gate electrode including the metal film portion and the another conductive film.

Semiconductor memory having both volatile and non-volatile functionality
09761311 · 2017-09-12 · ·

Semiconductor memory having both volatile and non-volatile modes and methods of operation. A semiconductor storage device includes a plurality of memory cells each having a floating body for storing, reading and writing data as volatile memory. The device includes a floating gate or trapping layer for storing data as non-volatile memory, the device operating as volatile memory when power is applied to the device, and the device storing data from the volatile memory as non-volatile memory when power to the device is interrupted.

High-K-last manufacturing process for embedded memory with metal-oxide-nitride-oxide-silicon (MONOS) memory cells

An integrated circuit (IC) using high- metal gate (HKMG) technology with an embedded metal-oxide-nitride-oxide-silicon (MONOS) memory cell is provided. A logic device is arranged on a semiconductor substrate and comprises a logic gate. A memory cell is arranged on the semiconductor substrate and comprises a control transistor and a select transistor laterally adjacent to one another. The control and select transistors respectively comprise a control gate and a select gate, and the control transistor further comprises a charge trapping layer underlying the control gate. The logic gate and one or both of the control and select gates are metal and arranged within respective high dielectric layers. A high--last method for manufacturing the IC is also provided.

Non-Volatile Memory With Silicided Bit Line Contacts

An approach to use silicided bit line contacts that do not short to the underlying substrate in memory devices. The approach provides for silicide formation in the bit line contact area, using a process that benefits from being self-aligned to the oxide-nitride-oxide (ONO) nitride edges. A further benefit of the approach is that the bit line contact implant and rapid temperature anneal process can be eliminated. This approach is applicable to embedded flash, integrating high density devices and advanced logic processes.