U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"I think there is a world market for maybe five computers."

Thomas Watson, chairman of IBM ; 1943

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 257/E21.145 - Diffusion into or out of Group IV semiconductor (EPO)


Subclass of Class 257 - Active solid-state devices (e.g., transistors, solid-state diodes)
Definition: This subclass is indented under subclass E21.144. This subclass
No. of patents: 10
Last issue date: 12/04/2007


NumberTitleIssue Date
7303967Method for fabricating transistor of semiconductor device
Disclosed is a method for fabricating a transistor of a semiconductor device, the method comprising the steps of: providing a semiconductor; forming a gate electrode; performing a low-density ion implantation process with respect to the substrate, thereby forming an...
12/04/2007
6444553Junction formation with diffusion barrier for silicide contacts and method for forming
Method and apparatus are provided for a semiconductor device including a junction and contact having a diffusion barrier to control silicidation of a silicon substrate. A dopant is applied in excess of an amount required to form a junction and the dopant ...
09/03/2002
6433397N-channel metal oxide semiconductor (NMOS) driver circuit and method of making same
An N-channel metal oxide semiconductor (NMOS) driver circuit (and method for making the same), includes a boost gate stack formed on a substrate and having a source and drain formed by a low concentration N-type implantation, and an N-driver coupled to th...
08/13/2002
6372589Method of forming ultra-shallow source/drain extension by impurity diffusion from doped dielectric spacer
A method of fabricating an integrated circuit (IC) with source and drain extension regions. Advantageously, the source and drain extension regions are formed without damage related to integrated circuit implant techniques. Damage is avoided by using solid...
04/16/2002
6355544Selective high concentration doping of semiconductor material utilizing laser annealing
Extremely high dopant concentrations are uniformly introduced into a semiconductor material by laser annealing aided by an anti-reflective coating (ARC). A spin-on-glass (SOG) film containing dopant is formed on top of the semiconductor material. An ARC i...
03/12/2002
6333230Scalable high-voltage devices
A method of fabricating a semiconductor device comprising: forming a trench on the face of a silicon substrate of a first conductivity type; depositing a conformal silicon layer of a second conductivity type into the trench; etching away the silicon layer...
12/25/2001
6207520Rapid thermal anneal with a gaseous dopant species for formation of lightly doped regions
Rapid thermal anneal with a gaseous dopant species for formation of a shallow lightly doped region is disclosed. In one embodiment of the invention, a method includes four steps. In the first step, at least one layer is applied over at least one gate over...
03/27/2001
5969398Method for producing a semiconductor device and a semiconductor device
A method for producing a semiconductor device which comprises a step for forming a gate electrode on a main surface of a semiconductor substrate via a gate oxide film, and a step for directing plasma ions with a gas mixture comprising a first gas containi...
10/19/1999
4012235Solid phase epitaxial growth
A solid phase epitaxially grown semi-conductor is described wherein a thin film of a semi-conductor material together with a thin film dopant are transported through a metal film onto a substrate, using a temperature below the eutectic temperature for the...
03/15/1977
4006046Method for compensating for emitter-push effect in the fabrication of transistors
A semiconductor wafer having a base dopant source disposed on its surface receives a surface coating consisting of, for example, a silicon nitride film. An emitter opening is formed in the silicon nitride surface coating and a portion of the base dopant s...
02/01/1977
 
Sign InRegister
Username  
Password   
forgot password?