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Class 438/514 - Ion implantation of dopant into semiconductor region


Subclass of Class 438 - Semiconductor device manufacturing: process
Definition: Process involving penetration of the surface of the semiconductive
No. of patents: 623
Last issue date: 05/01/2012


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NumberTitleIssue Date
8168519Plasma immersion ion implantation method using a pure or nearly pure silicon seasoning layer on the chamber interior surfaces
Plasma immersion ion implantation employing a very high RF bias voltage on an electrostatic chuck to attain a requisite implant depth profile is carried out by first depositing a partially conductive silicon-containing seasoning layer over the interior chamber surfa...
05/01/2012
8143150Method of fabricating semiconductor device and electronic system
A method of fabricating a semiconductor device includes forming a well impurity region, a lower impurity region and an upper impurity region in a semiconductor substrate. The lower impurity region has a different conductivity type than a conductivity type of the wel...
03/27/2012
8124508Method for low temperature ion implantation
Techniques for low temperature ion implantation are provided to improve the throughput. During a low temperature ion implantation, an implant process may be started before the substrate temperature is decreased to be about to a prescribed implant temperature by a co...
02/28/2012
8105927Method for manufacturing ion implantation mask, and method for manufacturing silicon carbide semiconductor device
A method for manufacturing an ion implantation mask is disclosed which includes the steps of: forming an oxide film as a protective film over the entire surface of a semiconductor substrate; forming a thin metal film over the oxide film; and forming an ion-inhibitin...
01/31/2012
8058156Plasma immersion ion implantation reactor having multiple ion shower grids
A plasma immersion ion implantation process for implanting a selected species at a desired ion implantation depth profile in a workpiece is carried out in a reactor chamber having a set of plural parallel ion shower grids that divide the chamber into an upper ion ge...
11/15/2011
8053341Method for fabricating semiconductor device
A method for fabricating a semiconductor device includes forming junction area for a bit line contact (BLC) and a junction area for a storage node contact (SNC) by performing ion implantation in a substrate having a buried gate; forming a first insulation pattern ha...
11/08/2011
8053340Method for fabricating semiconductor devices with reduced junction diffusion
A transistor which includes halo regions disposed in a substrate adjacent to opposing sides of the gate. The halo regions have upper and lower regions. The upper region is a crystalline region with excess vacancies and the lower region is an amorphous region. Source...
11/08/2011
8048788Method for treating non-planar structures using gas cluster ion beam processing
A method for treating a structure is described. One embodiment includes forming a structure on a substrate, wherein the structure has a plurality of surfaces including one or more first surfaces lying substantially parallel to a first plane parallel with said substr...
11/01/2011
8039374Method for low temperature ion implantation
Techniques for low temperature ion implantation are provided to improve throughput. Specifically, the pressure of the backside gas may temporarily, continually or continuously increase before the starting of the implant process, such that the wafer may be quickly co...
10/18/2011
8003502Semiconductor device and fabrication method
A semiconductor device in one embodiment has a first connection region, a second connection region and a semiconductor volume arranged between the first and second connection regions. Provision is made, within the semiconductor volume, in the vicinity of the second ...
08/23/2011
7977222Manufacturing method of semiconductor device
Doping with suppressed filament deterioration can be performed even in the case of doping in various conditions with an ion doping apparatus having a filament. After ion doping is completed, supply of a material gas is stopped and hydrogen or a rare gas is kept to b...
07/12/2011
7972946Plasma treatment method and plasma treatment device
Provided are a plasma treatment method and a plasma treatment device capable of forming a silicon nitride film having high compressive stress. In the plasma treatment method for depositing the silicon nitride film on a process target substrate by use of plasma of ra...
07/05/2011
7968440Preparation of ultra-shallow semiconductor junctions using intermediate temperature ramp rates and solid interfaces for defect engineering
Described herein are processing conditions, techniques, and methods for preparation of ultra-shallow semiconductor junctions. Methods described herein utilize semiconductor surface processing or modification to limit the extent of dopant diffusion under annealing co...
06/28/2011
7968439Plasma immersion ion implantation method using a pure or nearly pure silicon seasoning layer on the chamber interior surfaces
Plasma immersion ion implantation employing a very high RF bias voltage on an electrostatic chuck to attain a requisite implant depth profile is carried out by first depositing a partially conductive silicon-containing seasoning layer over the interior chamber surfa...
06/28/2011
7960264Lithography for printing constant line width features
An anisotropic wet etch of a semiconductor layer generates facets joined by a ridge running along the center of a pattern in a dielectric hardmask layer on the semiconductor layer. The dielectric hardmask layer is removed and a conformal masking material layer is de...
06/14/2011
7935618Sputtering-less ultra-low energy ion implantation
Methods of implanting dopants into a silicon substrate using a predeposited sacrificial material layer with a defined thickness that is removed by sputtering effect is provided. ...
05/03/2011
7935619Polarity dependent switch for resistive sense memory
Methods of forming polarity dependent switches for resistive sense memory are described. Methods for forming a memory unit include implanting dopant material more heavily in a source contact than a bit contact of a semiconductor transistor, and electrically connecti...
05/03/2011
7927987Method of reducing channeling of ion implants using a sacrificial scattering layer
Methods and devices for preventing channeling of dopants during ion implantation are provided. The method includes providing a semiconductor substrate and depositing a sacrificial scattering layer over at least a portion a surface of the substrate, wherein the sacri...
04/19/2011
7927988Method of fabricating semiconductor device
Provided is a method of fabricating a semiconductor device. The method includes forming a first layer, a second layer, an ion implantation layer between the first and second layers, and an anti-oxidation layer on the second layer, and performing a heat treating proc...
04/19/2011
7910466Method of manufacturing high-voltage semiconductor device and low-voltage semiconductor device
A high-voltage semiconductor device and a method for making the same are provided. A high-voltage semiconductor device and a low-voltage semiconductor device are formed in a single substrate, a photolithography process that is required to form a high-voltage well re...
03/22/2011
7879701Manufacturing method of semiconductor device
Doping with suppressed filament deterioration can be performed even in the case of doping in various conditions with an ion doping apparatus having a filament. After ion doping is completed, supply of a material gas is stopped and hydrogen or a rare gas is kept to b...
02/01/2011
7879702Method for manufacturing a semiconductor device including a memory cell array area and peripheral circuit area
A method for manufacturing a semiconductor device includes the consecutive steps of selectively implanting first-conductivity-type impurities into a silicon substrate in a memory cell array area to form first source/drain regions, heat treating to diffuse the impuri...
02/01/2011
7863169Lithography for printing constant line width features
An anisotropic wet etch of a semiconductor layer generates facets joined by a ridge running along the center of a pattern in a dielectric hardmask layer on the semiconductor layer. The dielectric hardmask layer is removed and a conformal masking material layer is de...
01/04/2011
7833888Integrated circuit system employing grain size enlargement
An integrated circuit system that includes: providing a substrate including an active device with a gate top surface exposed; implanting a do pant within the gate to alter the grain size of the gate material; forming a dielectric layer over the active device and the...
11/16/2010
7825015Method for implanting ions in semiconductor device
The present invention provides a method for implanting ions in a semiconductor device capable of compensating for a difference in threshold voltages between a central portion and edge portions of a substrate generated while performing uniform ion implantation to ent...
11/02/2010
7781315Finfet field effect transistor insulated from the substrate
A finFET field effect transistor is produced by the formation of an electrical junction between the thin fin portion of semiconductor material which forms the channel of the transistor and the circuit substrate. Doping particles are implanted in the substrate throug...
08/24/2010
7767561Plasma immersion ion implantation reactor having an ion shower grid
A plasma immersion ion implantation process for implanting a selected species at a desired ion implantation depth profile in a workpiece is carried out in a reactor chamber with an ion shower grid that divides the chamber into an upper ion generation region and a lo...
08/03/2010
7763530Doping of particulate semiconductor materials
The invention relates to a method of doping semiconductor material. Essentially, the method comprises mixing a quantity of particulate semiconductor material with an ionic salt or a preparation of ionic salts. Preferably, the particulate semiconductor material compr...
07/27/2010
7754588Method to improve a copper/dielectric interface in semiconductor devices
Embodiments of methods for improving a copper/dielectric interface in semiconductor devices are generally described herein. Other embodiments may be described and claimed. ...
07/13/2010
7749874Deep implant self-aligned to polysilicon gate
A CMOS image sensor includes a pinned photodiode and a transfer gate that are formed using a thick mask that is self-aligned to at least one edge of the polysilicon gate structure to facilitate both the formation of a deep implant and to provide proper alignment bet...
07/06/2010
7727866Use of chained implants in solar cells
The manufacture of solar cells is simplified and cost reduced through by performing successive ion implants, without an intervening thermal cycle. In addition to reducing process time, the use of chained ion implantations may also improve the performance of the sola...
06/01/2010
7709363Method for manufacturing semiconductor device
A method for manufacturing a semiconductor device including a first conductive type impurity region formed by introducing a first conductive type impurities in a first region of a semiconductor region and heating the first region, a second conductive type impurity r...
05/04/2010
7709364Method and apparatus for low temperature ion implantation
Techniques for low temperature ion implantation are disclosed. After a wafer is cooled to a temperature lower than a temperature of an environment outside of a chamber where the wafer is implanted, the cooled wafer is implanted by projecting an ion beam on the coole...
05/04/2010
RE41181Manufacturing method of semiconductor device
A method of manufacturing a low power dissipation semiconductor power device is provided which is easy to perform and suitable for mass production. When a first and second conductivity-type regions are formed on a semiconductor substrate which is selectively irradia...
03/30/2010
7682954Method of impurity introduction, impurity introduction apparatus and semiconductor device produced with use of the method
An impurity region having a box-shaped impurity profile is formed. An impurity introducing method includes a step of introducing a desired impurity into a surface of a solid base body, and a step of radiating plasma to a surface of the solid base body after t...
03/23/2010
7670936Nitridation of gate oxide by laser processing
A method of manufacturing a semiconductor device includes forming an interface layer, a nitrided gate dielectric, a gate electrode, and source drain regions. The interface layer is formed in a substrate by laser processing. The nitrided gate dielectric is formed ove...
03/02/2010
7659186Method of manufacturing CMOS image sensor
A method for manufacturing the CMOS image sensor comprising forming an epitaxial layer provided with a plurality of photo diodes on a semiconductor substrate, coating a first photo resist on the epitaxial layer and performing a patterning process on the first photo ...
02/09/2010
7655545Image sensor and method of fabricating the same
An image sensor includes a first photodiode formed in a semiconductor substrate at a depth reachable by red light, a second photodiode disposed on or over the first photodiode in the semiconductor substrate at a depth reachable by blue light, a third photodiode disp...
02/02/2010
7645690Method for producing an integrated circuit having semiconductor zones with a steep doping profile
An integrated circuit and method, producing semiconductor zones with a steep doping profile is disclosed. In one embodiment, dopants are implanted in a region corresponding to the semiconductor zone to be formed and which has at least one topology process. During th...
01/12/2010
7629238Device isolation structure of a semiconductor device and method of forming the same
Disclosed are an isolation structure and a method for forming the same. The present isolation structure includes a substrate having a first semiconductor layer having a first lattice parameter, a second semiconductor layer having a second lattice parameter larger th...
12/08/2009
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