H01L21/28

Hybrid fine line spacing architecture for bump pitch scaling

Embodiments disclosed herein include electronic packages and methods of forming such packages. In an embodiment, an electronic package comprises a package substrate, a first die over the package substrate, the first die having a first bump pitch, a second die over the package substrate, the second die having a second bump pitch that is greater than the first bump pitch, and a plurality of conductive traces over the package substrate, the plurality of conductive traces electrically coupling the first die to the second die. In an embodiment, a first end region of the plurality of conductive traces proximate to the first die has a first line space (L/S) dimension, and a second end region of the plurality of conductive traces proximate to the second die has a second L/S dimension. In an embodiment, the second L/S dimension is greater than the first L/S dimension.

Field-effect transistor and method for manufacturing the same

Disclosed is a field-effect transistor and a method for manufacturing a field-effect transistor. The method comprises: forming an NMOSFET region and a PMOSFET region on a substrate; forming a hard mask on the NMOSFET region and the PMOSFET region, and patterning through the hard mask; forming a multiple of stacked nanowires in the NMOSFET region and a multiple of stacked nanowires in the PMOSFET region; forming a first array of nanowires in the NMOSFET region and a second array of nanowires in the PMOSFET region; and forming an interfacial oxide layer, a ferroelectric layer, and a stacked metal gate in sequence around each of the nanowires included in the first array and the second array. Wherein the NMOSFET region and the PMOSFET region are separated by shallow trench isolation.

Assemblies which include ruthenium-containing conductive gates
11695050 · 2023-07-04 · ·

Some embodiments include a memory cell having a conductive gate comprising ruthenium. A charge-blocking region is adjacent the conductive gate, a charge-storage region is adjacent the charge-blocking region, a tunneling material is adjacent the charge-storage region, and a channel material is adjacent the tunneling material. Some embodiments include an assembly having a vertical stack of alternating insulative levels and wordline levels. The wordline levels contain conductive wordline material which includes ruthenium. Semiconductor material extends through the stack as a channel structure. Charge-storage regions are between the conductive wordline material and the channel structure. Charge-blocking regions are between the charge-storage regions and the conductive wordline material. Some embodiments include methods of forming integrated assemblies.

Array of vertical transistors, an array of memory cells comprising an array of vertical transistors, and a method used in forming an array of vertical transistors

A method used in forming an array of vertical transistors comprises forming laterally-spaced vertical projections that project upwardly from a substrate in a vertical cross-section. The vertical projections individually comprise an upper source/drain region, a lower source/drain region, and a channel region vertically there-between. First gate insulator material is formed along opposing sidewalls of the channel region in the vertical cross-section. One of (a) or (b) is formed over opposing sidewalls of the first gate insulator material in the vertical cross-section, where (a): conductive gate lines that are horizontally elongated through the vertical cross-section; and (b): sacrificial placeholder gate lines that are horizontally elongated through the vertical cross-section. The one of the (a) or the (b) laterally overlaps the upper source/drain region and the lower source/drain region. The first gate insulator material has a top that is below a top of the channel region and has a bottom that is above a bottom of the channel region. An upper void space is laterally between the one of the (a) or the (b) and both of the upper source/drain region and the channel region. A lower void space is laterally between the one of the (a) or the (b) and both of the lower source/drain region and the channel region. Second gate insulator material is formed in the upper and lower void spaces. Other embodiments, including structure independent of method, are disclosed.

Ion implantation to form trench-bottom oxide of MOSFET

Disclosed herein are methods for forming MOSFETs. In some embodiments, a method may include providing a device structure including a plurality of trenches, and forming a mask over the device structure including within each of the plurality of trenches and over a top surface of the device structure. The method may further include removing the mask from within the trenches, wherein the mask remains along the top surface of the device structure, and implanting the device structure to form a treated layer along a bottom of the trenches. In some embodiments, the method may further include forming a gate oxide layer along a sidewall of each of the trenches and along the bottom of the trenches, wherein a thickness of the oxide along the bottom of the trenches is greater than a thickness of the oxide along the sidewall of each of the trenches.

Methods for manufacturing a MOSFET

A MOSFET includes a semiconductor body having a first side, a drift region, a body region forming a first pn-junction with the drift region, a source region forming a second pn-junction with the body region, in a vertical cross-section, a dielectric structure on the first side and having an upper side; a first gate electrode, a second gate electrode, a contact trench between the first and second gate electrodes, extending through the dielectric structure to the source region, in a horizontal direction a width of the contact trench has, in a first plane, a first value, and, in a second plane, a second value which is at most about 2.5 times the first value, and a first contact structure arranged on the dielectric structure having a through contact portion arranged in the contact trench, and in Ohmic contact with the source region.

Methods of cutting metal gates and structures formed thereof

A method includes forming a gate stack, which includes a gate dielectric and a metal gate electrode over the gate dielectric. An inter-layer dielectric is formed on opposite sides of the gate stack. The gate stack and the inter-layer dielectric are planarized. The method further includes forming an inhibitor film on the gate stack, with at least a portion of the inter-layer dielectric exposed, selectively depositing a dielectric hard mask on the inter-layer dielectric, with the inhibitor film preventing the dielectric hard mask from being formed thereon, and etching to remove a portion of the gate stack, with the dielectric hard mask acting as a portion of a corresponding etching mask.

Formation and in-situ etching processes for metal layers

The present disclosure relates to a semiconductor device and a manufacturing method of fabricating a semiconductor structure. The method includes forming an opening in a substrate and depositing a conformal metal layer in the opening. The depositing includes performing one or more deposition cycles. The deposition includes flowing a first precursor into a deposition chamber and purging the deposition chamber to remove at least a portion of the first precursor. The method also includes flowing a second precursor into the deposition chamber to form a sublayer of the conformal metal layer and purging the deposition chamber to remove at least a portion of the second precursor. The method further includes performing a metallic halide etching (MHE) process that includes flowing a third precursor into the deposition chamber.

Manufacturing method of semiconductor device

A manufacturing method of a semiconductor device includes: (a) forming a gate structure for a control gate electrode on a semiconductor substrate; (b) forming a charge storage film so as to cover a first side surface, a second side surface, and an upper surface of the gate structure; (c) forming a conductive film for a memory gate electrode on the charge storage film; (d) removing a part of the charge storage film and a part of the conductive film such that the charge storage film and the conductive film remain in this order on the first side surface and the second side surface of the gate structure, thereby forming the memory gate electrode; and (e) removing apart of the gate structure separate from the first side surface and the second side surface such that a part of the semiconductor substrate is exposed from the gate structure.

Memory device having recessed active region

A memory device includes an active region, a select gate, a control gate, and a blocking layer. The active region includes a bottom portion and a protruding portion protruding from the bottom portion. A source is in the bottom portion and a drain is in the protruding portion. The select gate is above the bottom portion. A top surface of the select gate is lower than a top surface of the protruding portion. The control gate is above the bottom portion. The blocking layer is between the select gate and the control gate.