Patent application number | Description | Published |
20080220595 | METHOD FOR FABRICATING A HYBRID ORIENTATION SUBSTRATE - A method for fabricating a hybrid orientation substrate includes steps of providing a direct silicon bonding (DSB) wafer having a first substrate with (100) crystalline orientation and a second substrate with (110) crystalline orientation directly bonded on the first substrate, forming and patterning a first blocking layer on the second substrate to define a first region not covered by the first blocking layer and a second region covered by the first blocking layer, performing an amorphization process to transform the first region of the second substrate into an amorphized region, and performing an annealing process to recrystallize the amorphized region into the orientation of the first substrate and to make the second region stressed by the first blocking layer. | 09-11-2008 |
20080224239 | METHOD FOR FORMING FULLY SILICIDED GATE ELECTRODE IN A SEMICONDUCTOR DEVICE - A semiconductor MOS device includes a semiconductor substrate; a gate oxide layer disposed on the semiconductor substrate; a fully silicided gate electrode disposed on the gate oxide layer; a composite thin film interposed between the fully silicided gate electrode and the gate oxide layer; a spacer on sidewall of the fully silicided gate electrode; and a source/drain region implanted into the semiconductor substrate next to the spacer. A method for forming the semiconductor MOS device is disclosed. | 09-18-2008 |
20080237809 | METHOD OF FABRICATING HYBRID ORIENTATION SUBSTRATE AND STRUCTURE OF THE SAME - A method of fabricating a hybrid orientation substrate is described. A silicon substrate with a first orientation having a silicon layer with a second orientation directly thereon is provided, and then a stress layer is formed on the silicon layer. A trench is formed between a first portion and a second portion of the silicon layer through the stress layer and into the substrate. The first portion of the silicon layer is amorphized. A SPE process is performed to recrystallize the amorphized first portion of the silicon layer to be a recrystallized layer with the first orientation. An annealing process is performed at a temperature lower than 1200° C. to convert a surface layer of the second portion of the silicon layer to a strained layer. The trench is filled with an insulating material after the SPE process or the annealing process, and the stress layer is removed. | 10-02-2008 |
20080254604 | METHOD FOR FABRICATING A HYBRID ORIENTATION SUBSTRATE - A method for fabricating a hybrid orientation substrate includes steps of providing a direct silicon bonding (DSB) wafer having a first substrate with (100) crystalline orientation and a second substrate with (110) crystalline orientation directly bonded on the first substrate, forming and patterning a first blocking layer on the second substrate to define a first region not covered by the first blocking layer and a second region covered by the first blocking layer, performing an amorphization process to transform the first region of the second substrate into an amorphized region, and performing an annealing process to recrystallize the amorphized region into the orientation of the first substrate and to make the second region stressed by the first blocking layer. | 10-16-2008 |
20080272435 | SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAME - A semiconductor device includes a first gate structure including a gate dielectric layer directly contacting the substrate, a bottom electrode on the gate dielectric layer and a top electrode on the bottom electrode, and a second gate structure including a gate dielectric layer directly contacting the substrate and a gate electrode on the gate dielectric layer. | 11-06-2008 |
20080318371 | SEMICONDUCTOR DEVICE AND METHOD OF FORMING THE SAME - A semiconductor device includes a first gate structure including a gate dielectric layer directly contacting the substrate, a bottom electrode on the gate dielectric layer and a top electrode on the bottom electrode, and a second gate structure including a gate dielectric layer directly contacting the substrate and a gate electrode on the gate dielectric layer. | 12-25-2008 |
20090186458 | METHOD FOR MANUFACTURING A CMOS DEVICE HAVING DUAL METAL GATE - A method for manufacturing a CMOS device having dual metal gate includes providing a substrate having at least two transistors of different conductive types and a dielectric layer covering the two transistors, planarizing the dielectric layer to expose gate conductive layers of the two transistors, forming a patterned blocking layer exposing one of the conductive type transistor, performing a first etching process to remove a portion of a gate of the conductive type transistor, reforming a metal gate, removing the patterned blocking layer, performing a second etching process to remove a portion of a gate of the other conductive type transistor, and reforming a metal gate. | 07-23-2009 |
20090206415 | SEMICONDUCTOR ELEMENT STRUCTURE AND METHOD FOR MAKING THE SAME - A semiconductor element structure includes a first MOS having a first high-K material and a first metal for use in a first gate, a second MOS having a second high-K material and a second metal for use in a second gate and a bridge channel disposed in a recess connecting the first gate and the second gate for electrically connecting the first gate and the second gate, wherein the bridge channel is embedded in at least one of the first gate and the second gate. | 08-20-2009 |
20090236669 | METAL GATE TRANSISTOR AND POLYSILICON RESISTOR AND METHOD FOR FABRICATING THE SAME - A method for fabricating metal gate transistors and a polysilicon resistor is disclosed. First, a substrate having a transistor region and a resistor region is provided. A polysilicon layer is then formed on the substrate to cover the transistor region and the resistor region of the substrate. Next, a portion of the polysilicon layer disposed in the resistor is removed, and the remaining polysilicon layer is patterned to create a step height between the surface of the polysilicon layer disposed in the transistor region and the surface of the polysilicon layer disposed in the resistor region. | 09-24-2009 |
20090242997 | METHOD FOR FABRICATING SEMICONDUCTOR STRUCTURE AND STRUCTURE OF STATIC RANDOM ACCESS MEMORY - A method for fabricating a semiconductor structure is disclosed. A substrate with a first transistor having a first dummy gate and a second transistor having a second dummy gate is provided. The conductive types of the first transistor and the second transistor are different. The first and second dummy gates are simultaneously removed to form respective first and second openings. A high-k dielectric layer, a second type conductive layer and a first low resistance conductive layer are formed on the substrate and fill in the first and second openings, with the first low resistance conductive layer filling up the second opening. The first low resistance conductive layer and the second type conductive layer in the first opening are removed. A first type conductive layer and a second low resistance conductive layer are then formed in the first opening, with the second low resistance conductive layer filling up the first opening. | 10-01-2009 |
20100059833 | METAL GATE TRANSISTOR AND METHOD FOR FABRICATING THE SAME - A method for fabricating metal gate transistor is disclosed. First, a substrate having a first transistor region and a second transistor region is provided. Next, a stacked film is formed on the substrate, in which the stacked film includes at least one high-k dielectric layer and a first metal layer. The stacked film is patterned to form a plurality of gates in the first transistor region and the second transistor region, a dielectric layer is formed on the gates, and a portion of the dielectric layer is planarized until reaching the top of each gates. The first metal layer is removed from the gate of the second transistor region, and a second metal layer is formed over the surface of the dielectric layer and each gate for forming a plurality of metal gates in the first transistor region and the second transistor region. | 03-11-2010 |
20100317182 | METHOD FOR MAKING SEMICONDUCTOR ELEMENT STRUCTURE - A method for forming a semiconductor element structure is provided. First, a substrate including a first MOS and a second MOS is provided. The gate electrode of the first MOS is connected to the gate electrode of the second MOS, wherein the first MOS includes a first high-K material and a first metal for use in a first gate, and a second MOS includes a second high-K material and a second metal for use in a second gate. Then the first gate and the second gate are partially removed to form a connecting recess. Afterwards, the connecting recess is filled with a conductive material to form a bridge channel for electrically connecting the first metal and the second metal. | 12-16-2010 |
20110031558 | GATE STRUCTURE OF SEMICONDUCTOR DEVICE - A gate structure of a semiconductor device includes a first low resistance conductive layer, a second low resistance conductive layer, and a first type conductive layer disposed between and directly contacting sidewalls of the first low resistance conductive layer and the second low resistance conductive layer. | 02-10-2011 |
20110034019 | METHOD FOR FABRICATING SEMICONDUCTOR STRUCTURE - A method for fabricating a semiconductor structure is disclosed. A substrate with a first transistor having a first dummy gate and a second transistor having a second dummy gate is provided. The conductive types of the first transistor and the second transistor are different. The first and second dummy gates are simultaneously removed to form respective first and second openings. A high-k dielectric layer, a second type conductive layer and a first low resistance conductive layer are formed on the substrate and fill in the first and second openings, with the first low resistance conductive layer filling up the second opening. The first low resistance conductive layer and the second type conductive layer in the first opening are removed. A first type conductive layer and a second low resistance conductive layer are then formed in the first opening, with the second low resistance conductive layer filling up the first opening. | 02-10-2011 |
20120064679 | METAL GATE TRANSISTOR AND METHOD FOR FABRICATING THE SAME - A method for fabricating metal gate transistor is disclosed. First, a substrate having a first transistor region and a second transistor region is provided. Next, a stacked film is formed on the substrate, in which the stacked film includes at least one high-k dielectric layer and a first metal layer. The stacked film is patterned to form a plurality of gates in the first transistor region and the second transistor region, a dielectric layer is formed on the gates, and a portion of the dielectric layer is planarized until reaching the top of each gates. The first metal layer is removed from the gate of the second transistor region, and a second metal layer is formed over the surface of the dielectric layer and each gate for forming a plurality of metal gates in the first transistor region and the second transistor region. | 03-15-2012 |