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Class Information
Number: 438/756
Name: Semiconductor device manufacturing: process > Chemical etching > Liquid phase etching > Silicon oxide
Description: Processes wherein the material undergoing wet chemical etching is a compound of silicon and oxygen.


Patents under this class:
1 2 3 4 5 6 7 8 9

Patent Number Title Of Patent Date Issued
6593239 Chemical mechanical polishing method useful for copper substrates Jul. 15, 2003
6593179 Method of manufacturing a semiconductor device Jul. 15, 2003
6589882 Copper post-etch cleaning process Jul. 8, 2003
6586338 Methods for creating elements of predetermined shape and apparatus using these elements Jul. 1, 2003
6586293 Semiconductor device and method of manufacturing the same Jul. 1, 2003
6573141 In-situ etch and pre-clean for high quality thin oxides Jun. 3, 2003
6569747 Methods for trench isolation with reduced step height May. 27, 2003
6562724 Self-aligned stack formation May. 13, 2003
6559059 Method for fabricating a MOS transistor of an embedded memory May. 6, 2003
6555201 Method for fabricating a microelectromechanical bearing Apr. 29, 2003
6548421 Method for forming a refractory-metal-silicide layer in a semiconductor device Apr. 15, 2003
6544898 Method for improved die release of a semiconductor device from a wafer Apr. 8, 2003
6530380 Method for selective oxide etching in pre-metal deposition Mar. 11, 2003
6524964 Method for forming contact by using ArF lithography Feb. 25, 2003
6524880 Solar cell and method for fabricating the same Feb. 25, 2003
6521540 Method for making self-aligned contacts to source/drain without a hard mask layer Feb. 18, 2003
6517735 Ink feed trench etch technique for a fully integrated thermal inkjet printhead Feb. 11, 2003
6518142 Fabrication method for MIM capacitive circuit having little leakage current Feb. 11, 2003
6511609 Cu seed layer deposition for ULSI metalization Jan. 28, 2003
6503841 Oxide etch Jan. 7, 2003
6497827 Method for etching dielectric films Dec. 24, 2002
6498079 Method for selective source diffusion Dec. 24, 2002
6495471 Etching process using a buffer layer Dec. 17, 2002
6495472 Method for avoiding erosion of conductor structure during removing etching residues Dec. 17, 2002
6492283 Method of forming ultrathin oxide layer Dec. 10, 2002
6492273 Methods and apparatuses for monitoring and controlling mechanical or chemical-mechanical planarization of microelectronic substrate assemblies Dec. 10, 2002
6489251 Method of forming a slope lateral structure Dec. 3, 2002
6486075 Anisotropic wet etching method Nov. 26, 2002
6482748 Poly gate silicide inspection by back end etching Nov. 19, 2002
6479395 Methods for forming openings in a substrate and apparatuses with these openings and methods for creating assemblies with openings Nov. 12, 2002
6478975 Inductor and fabricating method thereof Nov. 12, 2002
6475403 Etching method and apparatus Nov. 5, 2002
6472333 Silicon carbide cap layers for low dielectric constant silicon oxide layers Oct. 29, 2002
6472332 Surface micromachined structure fabrication methods for a fluid ejection device Oct. 29, 2002
6472331 Method and apparatus for measuring and dispensing a wafer etchant Oct. 29, 2002
6472271 Planarization method of memory unit of flash memory Oct. 29, 2002
6468904 RPO process for selective CoSix formation Oct. 22, 2002
6468910 Slurry for chemical mechanical polishing silicon dioxide Oct. 22, 2002
6458705 Method for forming via-first dual damascene interconnect structure Oct. 1, 2002
6458710 Process for forming uniform multiple contact holes Oct. 1, 2002
6436834 Chemical-mechanical abrasive composition and method Aug. 20, 2002
6436807 Method for making an interconnect layer and a semiconductor device including the same Aug. 20, 2002
6436809 Method of manufacturing semiconductor devices, etching compositions for manufacturing semiconductor devices, and semiconductor devices made using this method Aug. 20, 2002
6436791 Method of manufacturing a very deep STI (shallow trench isolation) Aug. 20, 2002
6436833 Method for pre-STI-CMP planarization using poly-si thermal oxidation Aug. 20, 2002
6432836 Cleaning method for semiconductor substrate and cleaning solution Aug. 13, 2002
6429144 Integrated circuit manufacture method with aqueous hydrogen fluoride and nitric acid oxide etch Aug. 6, 2002
6423641 Method of making self-aligned bit-lines Jul. 23, 2002
6423618 Method of manufacturing trench gate structure Jul. 23, 2002
6423600 Method for forming uniform oxide thickness Jul. 23, 2002

1 2 3 4 5 6 7 8 9


 
 
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