Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Engineering
Class Information
Number: 438/700
Name: Semiconductor device manufacturing: process > Chemical etching > Combined with coating step > Formation of groove or trench
Description: Processes wherein at least one groove or trench is formed by a combination of chemical etching and material deposition.


Sub-classes under this class:

Class Number Class Name Patents
438/702 Plural coating steps 626
438/701 Tapered configuration 487


Patents under this class:

Patent Number Title Of Patent Date Issued
7371263 Plasmaless dry contact cleaning method using interhalogen compounds May. 13, 2008
7369697 Process variable of interest monitoring and control May. 6, 2008
7368390 Photolithographic patterning process using a carbon hard mask layer of diamond-like hardness produced by a plasma-enhanced deposition process May. 6, 2008
7368365 Memory array buried digit line May. 6, 2008
7365014 Reticle fabrication using a removable hard mask Apr. 29, 2008
7365012 Etching method, a method of forming a trench isolation structure, a semiconductor substrate and a semiconductor apparatus Apr. 29, 2008
7361571 Method for fabricating a trench isolation with spacers Apr. 22, 2008
7361287 Method for etching structures in an etching body by means of a plasma Apr. 22, 2008
7358191 Method for decreasing sheet resistivity variations of an interconnect metal layer Apr. 15, 2008
7358170 Methods of forming conductive interconnects, and methods of depositing nickel Apr. 15, 2008
7354863 Methods of selectively removing silicon Apr. 8, 2008
7354855 Semiconductor device and a method of manufacturing the same Apr. 8, 2008
7354523 Methods for sidewall etching and etching during filling of a trench Apr. 8, 2008
7351665 Plasma etching method, plasma etching apparatus, control program, computer recording medium and recording medium having processing recipe recorded thereon Apr. 1, 2008
7351660 Process for producing high performance interconnects Apr. 1, 2008
7348277 Methods of fabricating semiconductor device using sacrificial layer Mar. 25, 2008
7344992 Method for forming via hole and trench for dual damascene interconnection Mar. 18, 2008
7344974 Metallization method of semiconductor device Mar. 18, 2008
7344954 Method of manufacturing a capacitor deep trench and of etching a deep trench opening Mar. 18, 2008
7341931 Methods of forming low resistivity contact for an integrated circuit device Mar. 11, 2008
7339273 Semiconductor device with a via hole having a diameter at the surface larger than a width of a pad electrode Mar. 4, 2008
7335593 Method of fabricating semiconductor device Feb. 26, 2008
7335554 Method for fabricating semiconductor Feb. 26, 2008
7327013 Stencil mask with charge-up prevention and method of manufacturing the same Feb. 5, 2008
7326650 Method of etching dual damascene structure Feb. 5, 2008
7323417 Method of forming a recessed structure employing a reverse tone process Jan. 29, 2008
7323410 Dry etchback of interconnect contacts Jan. 29, 2008
7323115 Substrate processing method and ink jet recording head substrate manufacturing method Jan. 29, 2008
7320927 In situ hardmask pullback using an in situ plasma resist trim process Jan. 22, 2008
7320908 Methods of forming semiconductor devices having buried oxide patterns Jan. 22, 2008
7319073 Method of reducing silicon damage around laser marking region of wafers in STI CMP process Jan. 15, 2008
7316978 Method for forming recesses Jan. 8, 2008
7316949 Integrating n-type and p-type metal gate transistors Jan. 8, 2008
7314792 Method for fabricating transistor of semiconductor device Jan. 1, 2008
7309654 Technique for reducing etch damage during the formation of vias and trenches in interlayer dielectrics Dec. 18, 2007
7309641 Method for rounding bottom corners of trench and shallow trench isolation process Dec. 18, 2007
7307023 Polishing method of Cu film and method for manufacturing semiconductor device Dec. 11, 2007
7307014 Method of forming a via contact structure using a dual damascene process Dec. 11, 2007
7300882 Etching method and semiconductor device fabricating method Nov. 27, 2007
7300879 Methods of fabricating metal wiring in semiconductor devices Nov. 27, 2007
7300848 Semiconductor device having a recess gate for improved reliability Nov. 27, 2007
7297634 Method and apparatus for semiconductor device and semiconductor memory device Nov. 20, 2007
7297633 Compositions for chemical mechanical polishing silica and silicon nitride having improved endpoint detection Nov. 20, 2007
7294579 Method for forming contact opening Nov. 13, 2007
7294552 Electrical contact for a MEMS device and method of making Nov. 13, 2007
7291559 Etching method, gate etching method, and method of manufacturing semiconductor devices Nov. 6, 2007
7291540 Method of forming an implantable electronic device chip level hermetic and biocompatible electronics package using SOI wafers Nov. 6, 2007
7288475 Sacrificial inorganic polymer intermetal dielectric damascene wire and via liner Oct. 30, 2007
7285497 Mask, method for manufacturing a mask, method for manufacturing an electro-optical device, and electronic equipment Oct. 23, 2007
7282451 Methods of forming integrated circuit devices having metal interconnect layers therein Oct. 16, 2007



 
 
  Recently Added Patents
Excimer laser device, laser gas exchange method and partial gas exchange quantity calculation method
Device for compression and encryption, and device for decompression and decryption
Flying device
Transobturator introducer system for sling suspension system
Ratchet wrench
Methods of operating magnetic random access memory devices including heat-generating structures
Haptens, immunogens, antibodies and conjugates to ketamine and its metabolites
  Randomly Featured Patents
Apparatus for supplying liquid mediums to rollers of printing machines utilizing a distributor plate
Debris cutter for sprocket drive
Propellant wastewater treatment process
Data acquisition system for computed tomography
Treatment of inner ear hair cells
Macrolide biosynthetic genes for use in streptomyces and other organisms
Bottle
90-degree phase shifter
Digital phase/frequency comparator
Image signal recording system