Patent classifications
H01L21/28
Semiconductor device, semiconductor chip and method of manufacturing semiconductor device
Embodiments of the disclosure provide a semiconductor device, a semiconductor chip and a method of manufacturing a semiconductor device, wherein the semiconductor device, includes a substrate, a semiconductor layer formed on the substrate, a plurality of gates, drains, and a plurality of sources formed on a side of the semiconductor layer away from the substrate, the gates located between the sources and the drains, and the gates, sources, and drains located in an active region of the semiconductor device, wherein a gate pitch is formed between any two adjacent gates, the formed respective gate pitches include at least two unequal gate pitches, the maximum gate pitch of the respective gate pitches is within a first preset range determined according to a pitch of two gates at the two outermost ends in the semiconductor device in the gate length direction and a total number of gates of the semiconductor device.
Dynamic random access memory device and method of fabricating the same
The invention discloses a dynamic random access memory (DRAM) device and a method of fabricating such DRAM device. The DRAM device according to the invention includes a plurality of bit lines formed on a semiconductor substrate, a plurality of first isolation stripes, a plurality of second isolation stripes, a plurality of transistors formed between the first isolation stripes and the second isolation stripes, a plurality of word lines, and a plurality of capacitors formed above the first isolation stripes and the second isolation stripes. The semiconductor substrate defines a longitudinal direction, a transverse direction, a normal direction, a plurality of columns in the longitudinal direction, and a plurality of rows in the transverse direction. The first isolation stripes and the second isolation stripes extend in the longitudinal direction. Each transistor corresponds to one of the columns and one of the rows. The transistors on one side of each first isolation stripe and the transistors on the other side of said one first isolation stripe are staggeredly arranged. Each word line corresponds to one of the columns and connects the gate conductors of the transistors along the corresponding column. Each capacitor corresponds to one of the transistors and connects the source region of the corresponding transistor.
Integrated assemblies having metal-containing liners along bottoms of trenches, and methods of forming integrated assemblies
Some embodiments include methods of forming integrated assemblies. A conductive structure is formed to include a semiconductor-containing material over a metal-containing material. An opening is formed to extend into the conductive structure. A conductive material is formed along a bottom of the opening. A stack of alternating first and second materials is formed over the conductive structure either before or after forming the conductive material. Insulative material and/or channel material is formed to extend through the stack to contact the conductive material. Some embodiments include integrated assemblies.
Manufacturing method for memory structure
A method of manufacturing a memory structure including the following steps is provided. A spacer layer is formed on sidewalls of gate stack structures. A protective material layer covering the spacer layer and the gate stack structures is formed. A mask material layer is formed on the protective material layer. There is a void located in the mask material layer between two adjacent gate stack structures. A first distance is between a top of the protective material layer and a top of the mask material layer. A second distance is between a top of the void and a top of the mask material layer above the void. A third distance is between a bottom of the void and a bottom of the mask material layer below the void. The first distance is greater than a sum of the second and third distances.
High Voltage Transistor Structures
The present disclosure describes a method for forming (i) input/output (I/O) fin field effect transistors (FET) with polysilicon gate electrodes and silicon oxide gate dielectrics integrated and (ii) non-I/O FETs with metal gate electrodes and high-k gate dielectrics. The method includes depositing a silicon oxide layer on a first region of a semiconductor substrate and a high-k dielectric layer on a second region of the semiconductor substrate; depositing a polysilicon layer on the silicon oxide and high-k dielectric layers; patterning the polysilicon layer to form a first polysilicon gate electrode structure on the silicon oxide layer and a second polysilicon gate electrode structure on the high-k dielectric layer, where the first polysilicon gate electrode structure is wider than the second polysilicon gate electrode structure and narrower than the silicon oxide layer. The method further includes replacing the second polysilicon gate electrode structure with a metal gate electrode structure.
METHOD FOR FORMING A SEMICONDUCTOR DEVICE
A method of forming semiconductor device is disclosed. A substrate having a logic circuit region and a memory cell region is provided. A first transistor with a first gate is formed in the logic circuit region and a second transistor with a second gate is formed in the memory cell region. A stressor layer is deposited to cover the first transistor in the logic circuit region and the second transistor in the memory cell region. The first transistor and the second transistor are subjected to an annealing process under the influence of the stressor layer to recrystallize the first gate and the second gate.
MULTI-LAYER ELECTRODE TO IMPROVE PERFORMANCE OF FERROELECTRIC MEMORY DEVICE
Various embodiments of the present disclosure are directed towards a memory device including a first bottom electrode layer over a substrate. A ferroelectric switching layer is disposed over the first bottom electrode layer. A first top electrode layer is disposed over the ferroelectric switching layer. A second bottom electrode layer is disposed between the first bottom electrode layer and the ferroelectric switching layer. The second bottom electrode layer is less susceptible to oxidation than the first bottom electrode layer.
Semiconductor Device and Method of Manufacturing
Semiconductor devices and methods of manufacturing are presented wherein a gate dielectric is treated within an analog region of a semiconductor substrate. The gate dielectric may be treated with a plasma exposure and/or an annealing process in order to form a recovered region of the gate dielectric. A separate gate dielectric is formed within a logic region of the semiconductor substrate, and a first gate electrode and second gate electrode are formed over the gate dielectrics.
TRANSISTOR GATE STRUCTURE AND PROCESS
Embodiments include methods and devices which utilize dummy gate profiling to provide a profile of a dummy gate which has narrowing in the dummy gate. The narrowing causes a neck in the dummy gate. When the dummy gate is replaced in a gate replacement process, the necking provides control of an etch-back process. Space is provided between the replacement gate and a subsequently formed self-aligned contact.
ELECTRICALLY ERASABLE PROGRAMMABLE READ ONLY MEMORY (EEPROM) AND FORMING METHOD THEREOF
An array of electrically erasable programmable read only memory (EEPROM) includes a first row of floating gate, a second row of floating gate, two spacers, a first row of word line and a second row of word line. The first row of floating gate and the second row of floating gate are disposed on a substrate along a first direction. The two spacers are disposed between and parallel to the first row of floating gate and the second row of floating gate. The first row of word line is sandwiched by one of the spacers and the adjacent first row of floating gate, and the second row of word line is sandwiched by the other one of the spacers and the adjacent second row of floating gate. The present invention also provides a method of forming said array of electrically erasable programmable read only memory (EEPROM).