Patent application number | Description | Published |
20080220574 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE - A method of fabricating a complementary metal oxide semiconductor (CMOS) device is provided. A first conductive type MOS transistor including a source/drain region using a semiconductor compound as major material is formed in a first region of a substrate. A second conductive type MOS transistor is formed in a second region of the substrate. Next, a pre-amorphous implantation (PAI) process is performed to amorphize a gate conductive layer of the second conductive type MOS transistor. Thereafter, a stress-transfer-scheme (STS) is formed on the substrate in the second region to generate a stress in the gate conductive layer. Afterwards, a rapid thermal annealing (RTA) process is performed to activate the dopants in the source/drain region. Then, the STS is removed. | 09-11-2008 |
20080237734 | COMPLEMENTARY METAL-OXIDE-SEMICONDUCTOR TRANSISTOR AND METHOD OF FABRICATING THE SAME - A complementary metal-oxide-semiconductor (CMOS) transistor comprising a substrate, a first conductive type MOS transistor, a second conductive type MOS transistor, a buffer layer, a first stress layer and a second stress layer is provided. The substrate has a device isolation structure therein that defines a first active area and a second active area. The first conductive type MOS transistor and the second conductive type MOS transistor are respectively disposed in the first active area and the second active area of the substrate. A first nitride spacer of the first conductive type MOS transistor has a thickness greater than that of a second nitride spacer of the second conductive type MOS transistor. The buffer layer is disposed on the first conductive type MOS transistor. The first stress layer is disposed on the buffer layer. The second stress layer is disposed on the second conductive type MOS transistor. | 10-02-2008 |
20080242031 | METHOD FOR FABRICATING P-CHANNEL FIELD-EFFECT TRANSISTOR (FET) - A method for fabrication a p-type channel FET includes forming a gate on a substrate. Then, a PAI ion implantation process is performed. Further, a pocket implantation process is conducted to form a pocket region. Thereafter, a first co-implantation process is performed to define a source/drain extension region depth profile. Then, a p-type source/drain extension region is formed. Afterwards, a second co-implantation process is performed to define a source/drain region depth profile. Thereafter, an in-situ doped epitaxy growth process is performed to form a doped semiconductor compound for serving as a p-type source/drain region. | 10-02-2008 |
20110097868 | METHOD FOR FABRICATING P-CHANNEL FIELD-EFFECT TRANSISTOR (FET) - A method for fabrication a p-type channel FET includes forming a gate on a substrate. Then, a PAI ion implantation process is performed. Further, a pocket implantation process is conducted to form a pocket region. Thereafter, a first co-implantation process is performed to define a source/drain extension region depth profile. Then, a p-type source/drain extension region is formed. Afterwards, a second co-implantation process is performed to define a source/drain region depth profile. Thereafter, an in-situ doped epitaxy growth process is performed to form a doped semiconductor compound for serving as a p-type source/drain region. | 04-28-2011 |
20110104864 | METHOD OF FABRICATING SEMICONDUCTOR DEVICE - A method of fabricating a complementary metal oxide semiconductor (CMOS) device is provided. A first conductive type MOS transistor including a source/drain region using a semiconductor compound as major material is formed in a first region of a substrate. A second conductive type MOS transistor is formed in a second region of the substrate. Next, a pre-amorphous implantation (PAI) process is performed to amorphize a gate conductive layer of the second conductive type MOS transistor. Thereafter, a stress-transfer-scheme (STS) is formed on the substrate in the second region to generate a stress in the gate conductive layer. Afterwards, a rapid thermal annealing (RTA) process is performed to activate the dopants in the source/drain region. Then, the STS is removed. | 05-05-2011 |
20110156156 | SEMICONDUCTOR DEVICE - A semiconductor device comprises a substrate, a first stress, and a second stress. The substrate has a first-type MOS transistor, an input/output (I/O) second-type MOS transistor, and a core second-type MOS transistor formed thereon. The first-type and the second-type are opposite conductivity types with respect to each other. The first stress layer is only disposed on the first-type MOS transistor, and the second stress layer is different from the first stress, and is only disposed on the core second-type MOS transistor. The I/O second-type MOS transistor is a type of I/O MOS transistor and without not noly the first stress layer but also the second stress layer disposed thereon, the core second-type MOS transistor is a type of core MOS transistor. | 06-30-2011 |
20110254064 | SEMICONDUCTOR DEVICE WITH CARBON ATOMS IMPLANTED UNDER GATE STRUCTURE - An exemplary semiconductor device includes a substrate, a spacer, a metal silicide layer and carbon atoms. The substrate has a gate structure formed thereon. The spacer is formed on the sidewall of the gate structure. The spacer has a first side adjacent to the gate structure and a second side away from the gate structure. The metal silicide layer is formed on the substrate and adjacent to the second side of the spacer but away from the first side of the spacer. The carbon atoms are formed into the substrate and adjacent to the first side of the spacer but away from the second side of the spacer. | 10-20-2011 |
20120009745 | METHOD FOR FABRICATING FIELD-EFFECT TRANSISTOR - A method for fabricating complimentary metal-oxide-semiconductor field-effect transistor is disclosed. The method includes the steps of: (A) forming a first gate structure and a second gate structure on a substrate; (B) performing a first co-implantation process to define a first type source/drain extension region depth profile in the substrate adjacent to two sides of the first gate structure; (C) forming a first source/drain extension region in the substrate adjacent to the first gate structure; (D) performing a second co-implantation process to define a first pocket region depth profile in the substrate adjacent to two sides of the second gate structure; (E) performing a first pocket implantation process to form a first pocket region adjacent to two sides of the second gate structure. | 01-12-2012 |
Patent application number | Description | Published |
20130285130 | BACKSIDE ILLUMINATED IMAGE SENSOR WITH NEGATIVELY CHARGED LAYER - A semiconductor image sensor device having a negatively-charged layer includes a semiconductor substrate having a p-type region, a plurality of radiation-sensing regions in the p-type region proximate a front side of the semiconductor substrate, and a negatively-charged layer adjoining the p-type region proximate the plurality of radiation-sensing regions. The negatively-charged layer may be an oxygen-rich silicon oxide, a high-k metal oxide, or a silicon nitride formed as a liner in a shallow trench isolation feature, a sidewall spacer or an offset spacer of a transistor gate, a salicide-block layer, a buffer layer under a salicide-block layer, a backside surface layer, or a combination of these. | 10-31-2013 |
20130329102 | IMAGE SENSOR HAVING COMPRESSIVE LAYERS - An image sensor device including a semiconductor substrate that includes an array region and a black level correction region. The array region contains a plurality of radiation-sensitive pixels. The black level correction region contains one or more reference pixels. The substrate has a front side and a back side. The image sensor device includes a first compressively-stressed layer formed on the back side of the substrate. The first compressively-stressed layer contains silicon oxide, and is negatively charged. The second compressively-stressed layer contains silicon nitride, and is negatively charged. A metal shield is formed over at least a portion of the black level correction region. The image sensor device includes a third compressively-stressed layer formed on the metal shield and the second compressively-stressed layer. The third compressively-stressed layer contains silicon oxide. A sidewall of the metal shield is protected by the third compressively-stressed layer. | 12-12-2013 |
20130341746 | Porous Si As CMOS Image Sensor ARC Layer - A semiconductor device is provided. The semiconductor device includes metallization layers supported by a substrate, a diode and a partially doped silicon layer disposed over the metallization layers, a buffer layer disposed over the diode and the partially doped silicon layer; and an anti-reflective coating disposed over the buffer layer, the anti-reflective coating formed from a porous silicon. | 12-26-2013 |
20140061839 | Multiple Metal Film Stack in BSI Chips - A device includes a semiconductor substrate, a black reference circuit in the semiconductor substrate, a metal pad on a front side of, and underlying, the semiconductor substrate, and a first and a second conductive layer. The first conductive layer includes a first portion penetrating through the semiconductor substrate to connect to the metal pad, and a second portion forming a metal shield on a backside of the semiconductor substrate. The metal shield is aligned to the black reference circuit, and the first portion and the second portion are interconnected to form a continuous region. The second conductive layer includes a portion over and contacting the first portion of the first conductive layer, wherein the first portion of the first conductive layer and the portion of the second conductive layer form a first metal pad. A dielectric layer is overlying and contacting the second portion of the first conductive layer. | 03-06-2014 |
20140061842 | Multiple Metal Film Stack in BSI Chips - A method includes forming an opening extending from a back surface of a semiconductor substrate to a metal pad on a front side of the semiconductor substrate, and forming a first conductive layer including a first portion overlapping active image sensors in the semiconductor substrate, a second portion overlapping black reference image sensors in the semiconductor substrate, and a third portion in the opening to contact the metal pad. A second conductive layer is formed over and contacting the first conductive layer. A first patterning step is performed to remove the first and the second portions of the second conductive layer, wherein the first conductive layer is used as an etch stop layer. A second patterning step is performed to remove a portion of the first portion of the first conductive layer. The second and the third portions of the first conductive layer remain after the second patterning step. | 03-06-2014 |