Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 438/444
Name: Semiconductor device manufacturing: process > Formation of electrically isolated lateral semiconductive structure > Recessed oxide by localized oxidation (i.e., locos) > Preliminary etching of groove
Description: Process including a preliminary step of etching a trench into the semiconductive substrate followed by locally oxidizing the trench surfaces to form the recessed oxide therein.


Sub-classes under this class:

Class Number Class Name Patents
438/445 Masking of groove sidewall 156


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7588996 Oxide pattern forming method and patterning method of semiconductor device Sep. 15, 2009
7575981 Method for fabricating isolation layer in semiconductor device Aug. 18, 2009
7553741 Manufacturing method of semiconductor device Jun. 30, 2009
7527704 Method for preparing film structure comprising ferroelectric single crystal layer May. 5, 2009
7524729 Method of manufacturing a semiconductor integrated circuit device having a trench Apr. 28, 2009
7456067 Method with high gapfill capability for semiconductor devices Nov. 25, 2008
7371659 Substrate laser marking May. 13, 2008
7320927 In situ hardmask pullback using an in situ plasma resist trim process Jan. 22, 2008
7312132 Field insulator FET device and fabrication method thereof Dec. 25, 2007
7309641 Method for rounding bottom corners of trench and shallow trench isolation process Dec. 18, 2007
7279426 Like integrated circuit devices with different depth Oct. 9, 2007
7256100 Manufacturing method of semiconductor device having trench type element isolation Aug. 14, 2007
7189628 Fabrication of trenches with multiple depths on the same substrate Mar. 13, 2007
7109120 Profiled standoff structure and method for optical display package Sep. 19, 2006
7053007 Method for fabricating semiconductor integrated circuit device May. 30, 2006
7045435 Shallow trench isolation method for a semiconductor wafer May. 16, 2006
7037768 Methods of etching intermediate silicon germanium layers using ion implantation to promote selectivity May. 2, 2006
7015115 Method for forming deep trench isolation and related structure Mar. 21, 2006
6991994 Method of forming rounded corner in trench Jan. 31, 2006
6949448 Local oxidation of silicon (LOCOS) method employing graded oxidation mask Sep. 27, 2005
6943088 Method of manufacturing a trench isolation structure for a semiconductor device with a different degree of corner rounding Sep. 13, 2005
6927138 Method of semiconductor device fabrication Aug. 9, 2005
6875697 Dual depth trench isolation Apr. 5, 2005
6852606 Method for forming isolation layer of semiconductor device and semiconductor device Feb. 8, 2005
6828209 Methods for manufacturing a semiconductor device including a trench isolation region Dec. 7, 2004
6790752 Methods of controlling VSS implants on memory devices, and system for performing same Sep. 14, 2004
6790781 Dual depth trench isolation Sep. 14, 2004
6777297 Disposable spacer and method of forming and using same Aug. 17, 2004
6768130 Integration of semiconductor on implanted insulator Jul. 27, 2004
6746936 Method for forming isolation film for semiconductor devices Jun. 8, 2004
6727161 Isolation technology for submicron semiconductor devices Apr. 27, 2004
6723615 Semiconductor device and method of fabricating the same Apr. 20, 2004
6723616 Process of increasing screen dielectric thickness Apr. 20, 2004
6720233 Method of producing trench insulation in a substrate Apr. 13, 2004
6699773 Shallow trench isolation type semiconductor device and method of forming the same Mar. 2, 2004
6693019 METHOD OF MANUFACTURING AN ELECTRONIC POWER DEVICE MONOLITHICALLY INTEGRATED ON A SEMICONDUCTOR AND COMPRISING A FIRST POWER REGION, A SECOND REGION, AND AN ISOLATION STRUCTURE OF LIMITED PLAN Feb. 17, 2004
6623985 Structure of and manufacturing method for semiconductor device employing ferroelectric substance Sep. 23, 2003
6610580 Flash memory array and a method and system of fabrication thereof Aug. 26, 2003
6610581 Method of forming isolation film in semiconductor device Aug. 26, 2003
6602793 Pre-clean chamber Aug. 5, 2003
6579777 Method of forming local oxidation with sloped silicon recess Jun. 17, 2003
6559033 Processing for forming integrated circuit structure with low dielectric constant material between closely spaced apart metal lines May. 6, 2003
6524499 Transparent conductive film and display device Feb. 25, 2003
6518147 Process for manufacturing an SOI wafer by oxidation of buried channels Feb. 11, 2003
6503815 Method for reducing stress and encroachment of sidewall oxide layer of shallow trench isolation Jan. 7, 2003
6500755 Resist trim process to define small openings in dielectric layers Dec. 31, 2002
6495431 Semiconductor device and method for manufacturing the same that includes a dual oxidation Dec. 17, 2002
6486038 Method for and device having STI using partial etch trench bottom liner Nov. 26, 2002
6479368 Method of manufacturing a semiconductor device having a shallow trench isolating region Nov. 12, 2002
6472245 Image sensor forming method capable of defining connection window structure by etching field oxide Oct. 29, 2002

1 2 3 4


 
 
  Recently Added Patents
Stator for inner rotor type mold brushless motor
E. coli bacteriophage and uses thereof
Process corner indicator and estimation circuit
Method for the construction and utilization of a medical records system
Ionic liquids
Method and device for simultaneous multipoint distributing of video, voice and data
Surveying instrument
  Randomly Featured Patents
Scalpel handle
Dry dentifrice powders
Spotlight mounted camera for vehicles
Paper tissue
Pharmaceutical products providing enhanced analgesia
Telecentric zoom lens
Powder inhaler with remnant mover and chamber
Methods of and apparatus for the generation of split-screen video displays
Semiconductor integrated circuit device and manufacturing method thereof
Secure device capable of engaging with a heat sink firmly