Patent classifications
H10B12/20
Memory device having 2-transistor vertical memory cell and shield structures
Some embodiments include apparatuses and methods of forming the apparatuses. One of the apparatuses includes a conductive region, a first data line, a second data line, a first memory cell coupled to the first data line and the conductive region, a second memory cell coupled to the second data line and the conductive region, a conductive structure, and a conductive line. The first memory cell includes a first transistor coupled to a second transistor, the first transistor including a first charge storage structure. The second memory cell includes a third transistor coupled to a fourth transistor, the third transistor including a second charge storage structure. The conductive structure is located between and electrically separated from the first and second charge storage structures. The conductive line forms a gate of each of the first, second, third, and fourth transistors.
3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH MEMORY
A semiconductor device, the device comprising: a first silicon layer comprising first single crystal silicon; an isolation layer disposed over said first silicon layer; a first metal layer disposed over said isolation layer; a second metal layer disposed over said first metal layer; a first level comprising a plurality of transistors, said first level disposed over said second metal layer, wherein said isolation layer comprises an oxide to oxide bond surface, wherein said plurality of transistors comprise a second single crystal silicon region; and a plurality of capacitors, wherein said plurality of capacitors comprise functioning as a decoupling capacitor to mitigate power supply noise.
Apparatuses including transistors, and related methods, memory devices, and electronic systems
An apparatus comprises a first conductive structure and at least one transistor in electrical communication with the first conductive structure. The at least one transistor comprises a lower conductive contact coupled to the first conductive structure and a split-body channel on the lower conductive contact. The split-body channel comprises a first semiconductive pillar and a second semiconductive pillar horizontally neighboring the first semiconductive pillar. The at least one transistor also comprises a gate structure horizontally interposed between the first semiconductive pillar and the second semiconductive pillar of the split-body channel and an upper conductive contact vertically overlying the gate structure and coupled to the split-body channel. Portions of the gate structure surround three sides of each of the first semiconductive pillar and the second semiconductive pillar. Memory devices, electronic systems, and methods of forming the apparatus are also disclosed.
Vertical transistor floating body one transistor DRAM memory cell
A Vertical Field Effect Transistor (VFET) and/or a one transistor dynamic random access memory 1T DRAM that has a substrate with a horizontal substrate surface, a source disposed on the horizontal substrate surface, a drain, and a channel. The channel has a channel top, a channel bottom, a first channel side, a second channel side, and two channel ends. The channel top is connected to the drain. The channel bottom is connected to the source. The channel is vertical and perpendicular to the substrate surface. A first gate stack interfaces with the first channel side and a second gate stack interfaces with the second channel side. A single external gate connection electrically connects the first gate stack and the second gate stack A gate bias (voltage) applied on the single external gate connection biases the first channel side in accumulation and biases the second channel side in inversion. The first gate stack is made of a first high-k dielectric layer and a first gate metal layer. The second gate stack is made of a second high-k dielectric layer and a second gate metal layer. The single external gate electrical connection is made to the first gate metal layer and the second gate metal layer. The first and second channel side can be made of the same or different materials. The first and second gate metal layer can be made of the same or different materials. One of the channel ends forms a floating body region, i.e. a capacitance, used by the 1T DRAM.
Method for manufacturing semiconductor structure with buried power line and buried signal line
The present disclosure provides a method for manufacturing a semiconductor structure. The method includes providing a substrate having a first top surface; forming an isolation region in the substrate to surround an active region; forming a recess in the active region; disposing a first conductive material within the recess to form a buried power line and a buried signal line; forming a first circuit layer and a second circuit layer on the first top surface of the substrate, wherein the first circuit layer covers the buried power line and the buried signal line, and the second circuit layer is separated from the first circuit layer; and forming a cell capacitor over the first circuit layer.
Reference-voltage-generators within integrated assemblies
Some embodiments include an integrated assembly having a deck over a base, and having memory cells supported by the deck. Each of the memory cells includes a capacitive unit and a transistor. The individual capacitive units of the memory cells each have a storage node electrode, a plate electrode, and a capacitor dielectric material between the storage node electrode and the plate electrode. A reference-voltage-generator includes resistive units supported by the deck. The resistive units are similar to the memory cells but include interconnecting units in place of the capacitive units. The interconnecting units of some adjacent resistive units are shorted to one another.
Transistor and methods of forming integrated circuitry
A transistor comprises a top source/drain region, a bottom source/drain region, a channel region vertically between the top and bottom source/drain regions, and a gate operatively laterally-adjacent the channel region. At least one of the top source/drain region, the bottom source/drain region, and the channel region are crystalline. All crystal grains within the at least one of the top source/drain region, the bottom source/drain region, and the channel region have average crystal sizes within 0.064 μm.sup.3 of one another. Other embodiments, including methods, are disclosed.
3D SEMICONDUCTOR DEVICE AND STRUCTURE WITH METAL LAYERS AND A CONNECTIVE PATH
A 3D semiconductor device including: a first level including a plurality of first metal layers; a second level, where the second level overlays the first level, where the second level includes at least one single crystal silicon layer, where the second level includes a plurality of transistors, where each transistor of the plurality of transistors includes a single crystal channel, where the second level includes a plurality of second metal layers, where the plurality of second metal layers include interconnections between the transistors of the plurality of transistors, and where the second level is overlaid by a first isolation layer; and a connective path between the plurality of transistors and the plurality of first metal layers, where the connective path includes a via disposed through at least the single crystal silicon layer, and where the via includes contact with at least one of the plurality of transistors.
MEMORY DEVICE AND METHOD OF MANUFACTURING THE MEMORY DEVICE
Provided herein may be a memory device and a method of manufacturing the memory device. The memory device may include a connection structure formed on a substrate, lower contacts formed on the connection structure, upper contacts formed on the lower contacts, a dummy pattern configured to enclose the lower contacts and spaced apart from the lower contacts, etching stop patterns formed in an upper region of the dummy pattern, and dummy contacts formed over the etching stop patterns.
Semiconductor element memory device
A memory device includes a page made of a plurality of memory cells arranged in rows on a substrate. A page write operation is performed, during which, in each of the memory cells included in the page, a first voltage V1 is applied to a first drive control line PL, a second voltage V2 is applied to a word line WL, a third voltage V3 is applied to a source line SL, a fourth voltage V4 is applied to a bit line BL, a group of holes generated by an impact ionization phenomenon is retained in an inside of the channel semiconductor layer. A page erase operation is performed, during which the voltages to be applied to the first drive control line PL, the word line WL, the source line SL, and the bit line BL are controlled to discharge the group of holes from the inside of the channel semiconductor layer, and the voltage of the channel semiconductor layer is decreased. A page read operation is performed, during which a fifth voltage V5 that is lower than the first voltage V1 is applied to the first drive control line PL, a sixth voltage V6 that is lower than the second voltage V2 is applied to the word line WL, the third voltage V3 is applied to the source line, and a seventh voltage V7 that is lower than the fourth voltage V4 is applied to the bit line.