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Class Information
Number: 438/742
Name: Semiconductor device manufacturing: process > Chemical etching > Vapor phase etching (i.e., dry etching) > Differential etching of semiconductor substrate > Substrate possessing multiple layers > Electrically conductive material (e.g., metal, conductive oxide, etc.)
Description: Processes wherein the material undergoing etching with the energized gas is an electrically conductive material.


Patents under this class:
1 2 3 4 5 6

Patent Number Title Of Patent Date Issued
7384873 Manufacturing process of semiconductor device Jun. 10, 2008
7375037 Fabrication method for semiconductor integrated circuit device May. 20, 2008
7361606 Method of forming a metal line and method of manufacturing display substrate having the same Apr. 22, 2008
7341950 Method for controlling a thickness of a first layer and method for adjusting the thickness of different first layers Mar. 11, 2008
7341955 Method for fabricating semiconductor device Mar. 11, 2008
7338906 Method for fabricating semiconductor device Mar. 4, 2008
7276450 Etching processes using C.sub.4F.sub.8 for silicon dioxide and CF.sub.4 for titanium nitride Oct. 2, 2007
7270761 Fluorine free integrated process for etching aluminum including chamber dry clean Sep. 18, 2007
7265040 Cleaning solution and method for selectively removing layer in a silicidation process Sep. 4, 2007
7259100 Nanoparticles and method for making the same Aug. 21, 2007
7259101 Nanoparticles and method for making the same Aug. 21, 2007
7232766 System and method for surface reduction, passivation, corrosion prevention and activation of copper surface Jun. 19, 2007
7229563 Plasma etching of Ni-containing materials Jun. 12, 2007
7176084 Self-aligned conductive spacer process for sidewall control gate of high-speed random access memory Feb. 13, 2007
7128844 Metal/ceramic circuit board and method for producing same Oct. 31, 2006
7105458 Method of etching semiconductor devices using a hydrogen peroxide-water mixture Sep. 12, 2006
7077973 Methods for substrate orientation Jul. 18, 2006
7078339 Method of forming metal line layer in semiconductor device Jul. 18, 2006
7056758 Electromechanical memory array using nanotube ribbons and method for making same Jun. 6, 2006
7041566 Method for forming inductor in semiconductor device May. 9, 2006
7029936 Semiconductor laser, device having reduced contact resistance and manufacturing method thereof Apr. 18, 2006
7018944 Apparatus and method for nanoscale pattern generation Mar. 28, 2006
7005375 Method to avoid copper contamination of a via or dual damascene structure Feb. 28, 2006
6987067 Semiconductor copper line cutting method Jan. 17, 2006
6974778 Semiconductor device manufactured with auxillary mask and method for producing the same Dec. 13, 2005
6969568 Method for etching a quartz layer in a photoresistless semiconductor mask Nov. 29, 2005
6960529 Methods for sidewall protection of metal interconnect for unlanded vias using physical vapor deposition Nov. 1, 2005
6958295 Method for using a hard mask for critical dimension growth containment Oct. 25, 2005
6955992 One mask PT/PCMO/PT stack etching process for RRAM applications Oct. 18, 2005
6951820 Method for using a hard mask for critical dimension growth containment Oct. 4, 2005
6933236 Method for forming pattern using argon fluoride photolithography Aug. 23, 2005
6930027 Method of manufacturing a semiconductor component Aug. 16, 2005
6890846 Method for manufacturing semiconductor integrated circuit device May. 10, 2005
6855639 Precise patterning of high-K films Feb. 15, 2005
6844268 Method for fabricating a semiconductor storage device having an increased dielectric film area Jan. 18, 2005
6835668 Copper post-etch cleaning process Dec. 28, 2004
6828230 Integrated circuit having conductive paths of different heights formed from the same layer structure and method for forming the same Dec. 7, 2004
6815364 Tungsten hard mask Nov. 9, 2004
6815337 Method to improve borderless metal line process window for sub-micron designs Nov. 9, 2004
6794304 Method and apparatus for reducing microtrenching for borderless vias created in a dual damascene process Sep. 21, 2004
6753266 Method of enhancing gate patterning properties with reflective hard mask Jun. 22, 2004
6740599 Method of fabricating contact holes in a semiconductor device May. 25, 2004
6740600 Enhanced interface thermoelectric coolers with all-metals tips May. 25, 2004
6723655 Methods for fabricating a semiconductor device Apr. 20, 2004
6713397 Manufacturing method of semiconductor device Mar. 30, 2004
6696364 Method for manipulating MEMS devices, integrated on a wafer semiconductor and intended to be diced one from the other, and relevant support Feb. 24, 2004
6696222 Dual damascene process using metal hard mask Feb. 24, 2004
6689682 Multilayer anti-reflective coating for semiconductor lithography Feb. 10, 2004
6664604 Metal gate stack with etch stop layer Dec. 16, 2003
6664179 Semiconductor device production method and semiconductor device production apparatus Dec. 16, 2003

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