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Class Information
Number: 216/100
Name: Etching a substrate: processes > Nongaseous phase etching of substrate > Etching inorganic substrate > Substrate contains elemental metal, alloy thereof, or metal compound
Description: Process wherein the substrate contains metal in elemental, alloy, or compound form.










Sub-classes under this class:

Class Number Class Name Patents
216/108 Etchant contains acid 437
216/101 Etching of a compound containing at least one oxygen atom and at least one metal atom 270
216/102 Metal is elemental aluminum, an alloy, or compound thereof 239
216/105 Metal is elemental copper, an alloy, or compound thereof 302


Patents under this class:
1 2 3 4 5 6 7 8 9 10 11 12 13

Patent Number Title Of Patent Date Issued
8709277 Etching composition Apr. 29, 2014
8691019 Process for cleaning a compound semiconductor wafer Apr. 8, 2014
8685260 Conductive polymer electrodes Apr. 1, 2014
8685262 Method for manufacturing a nozzle plate containing multiple micro-orifices for cascade impactor Apr. 1, 2014
8663491 ION etching of growing InP nanocrystals using microwave Mar. 4, 2014
8658049 Method for manufacturing a touch panel Feb. 25, 2014
8652345 Method of forming a patterned substrate Feb. 18, 2014
8647520 Restoring of strength and wear resistance of a metal matrix composite (MMC) Feb. 11, 2014
8641913 Fine pitch microcontacts and method for forming thereof Feb. 4, 2014
8632836 Nanosurface Jan. 21, 2014
8623236 Titanium nitride-stripping liquid, and method for stripping titanium nitride coating film Jan. 7, 2014
8613863 Methods for selective etching of a multi-layer substrate Dec. 24, 2013
8591756 Method of manufacturing a metallized ceramic substrate Nov. 26, 2013
8586481 Chemical planarization of copper wafer polishing Nov. 19, 2013
8580127 Method of manufacturing RFID based thermal bubble type accelerometer Nov. 12, 2013
8580128 Method of manufacturing electromagnetic-wave shielding plate, electromagnetic-wave shielding plate manufactured thereby, and filter display using the same Nov. 12, 2013
8574449 Method for manufacturing printed wiring board Nov. 5, 2013
8557137 Polishing composition for nickel phosphorous memory disks Oct. 15, 2013
8545994 Electrodeposited metallic materials comprising cobalt Oct. 1, 2013
8540892 Ion etching of growing InP nanocrystals using microwave Sep. 24, 2013
8535507 Electrochemical drilling system and process for improving electrical porosity of etched anode foil Sep. 17, 2013
8524095 Process to make PMR writer with leading edge shield (LES) and leading edge taper (LET) Sep. 3, 2013
8506767 Thin-film shape memory alloy device and method Aug. 13, 2013
8496844 Ion etching of growing InP nanocrystals using microwave Jul. 30, 2013
8491809 Process for production of aluminum wheel Jul. 23, 2013
8491799 Method for forming magnetic tunnel junction cell Jul. 23, 2013
8491806 Chemical-mechanical polishing formulation and methods of use Jul. 23, 2013
8486281 Nickel-chromium alloy stripper for flexible wiring boards Jul. 16, 2013
8481432 Fabrication of semiconductor interconnect structure Jul. 9, 2013
8449784 Method for securing a sheath to a blade May. 28, 2013
8435900 Method for manufacturing a transistor May. 7, 2013
8419964 Apparatus and method for edge bevel removal of copper from silicon wafers Apr. 16, 2013
8414790 Bevel plasma treatment to enhance wet edge clean Apr. 9, 2013
8404125 Metal processing method, manfacturing method of metal mask and manufacturing method of organic light emitting display device Mar. 26, 2013
8383437 Echtant and method for manufacturing display device using the same Feb. 26, 2013
8354036 Method for the pre-treatment of titanium components for the subsequent coating thereof Jan. 15, 2013
8333801 Method of Forming a Drug-Eluting Medical Device Dec. 18, 2012
8333897 Methods for laser cutting and processing tubing to make medical devices Dec. 18, 2012
8293129 Method for manufacturing piezoelectric element Oct. 23, 2012
8282841 Printed circuit board and manufacturing method thereof Oct. 9, 2012
8277577 Method for obtaining a surface of titanium-based metal implant to be inserted into bone tissue Oct. 2, 2012
8246847 Separating method for conductive ceramics sintered body Aug. 21, 2012
8226849 Materials for polishing liquid for metal, polishing liquid for metal, method for preparation thereof and polishing method using the same Jul. 24, 2012
8226841 Polishing composition for nickel-phosphorous memory disks Jul. 24, 2012
8201333 Method of making flush door skins Jun. 19, 2012
8198198 Method for forming electrode pattern of ceramic substrate Jun. 12, 2012
8177989 Copper conducting wire structure and fabricating method thereof May. 15, 2012
8171632 Method of manufacturing integrally designed rotor wheels to exhibit an essentially identical natural frequency and mass using chemical etch machining May. 8, 2012
8153015 Ultra-passivation of chromium-containing alloy and methods of producing same Apr. 10, 2012
8153523 Method of etching a layer of a semiconductor device using an etchant layer Apr. 10, 2012

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