ClassID:

120605

C23F1/28 - CPC Classification

Classification description:

Etching metallic material by chemical means; Etching compositions; Aqueous compositions; Acidic compositions for etching iron group metals

Recent Application in this class:
#1
20260096365
2026-04-02

COMPOSITION, METHOD OF TREATING METAL-CONTAINING FILM AND METHOD OF MANUFACTURING ELECTRONIC DEVICE

#2
20260085429
2026-03-26

AQUEOUS COMPOSITION, AND MANUFACTURING METHOD AND THINNING PROCESSING METHOD FOR STAINLESS STEEL USING SAME

#3
20260078497
2026-03-19

AQUEOUS COMPOSITION, STAINLESS STEEL SURFACE ROUGHENING METHOD USING SAME, AND METHOD FOR MANUFACTURING ROUGHENED STAINLESS STEEL

#4
20260053508
2026-02-26

DENTAL DRILL SURFACE TREATMENT

#5
20250347176
2025-11-13

Sealed cobalt leaching device, reagent,use of method for cobalt leaching and polycrystalline diamond composite sheet

#6
20250222500
2025-07-10

METAL PLATE, METHOD FOR MANUFACTURING METAL PLATE, AND METHOD FOR MANUFACTURING METAL MASK

#7
20250198009
2025-06-19

COMPOSITION, METHOD FOR ROUGHENING STAINLESS STEEL SURFACE USING SAME, ROUGHENED STAINLESS STEEL, AND METHOD FOR PRODUCING SAID ROUGHENED STAINLESS STEEL

#8
20250088671
2025-03-13

NESTED AND NON-NESTED SEI MESSAGES IN VIDEO BITSTREAMS

#9
20250034697
2025-01-30

METHOD FOR FORMING ROBUST HYDROPHOBIC SURFACES ON STEEL WORKPIECE

#10
20240044015
2024-02-08

AQUEOUS COMPOSITION, STAINLESS STEEL SURFACE ROUGHENING METHOD USING SAME, AND METHOD FOR MANUFACTURING ROUGHENED STAINLESS STEEL

#11
20240044014
2024-02-08

ROUGHENING TREATMENT METHOD FOR STAINLESS STEEL SURFACE, METHOD FOR MANUFACTURING ROUGHENED STAINLESS STEEL, AND AQUEOUS COMPOSITION USED IN SAID METHODS

#12
20230383414
2023-11-30

Metal plate, deposition mask, and manufacturing method therefor

#13
20230279294
2023-09-07

COMPOSITION AND METHOD FOR TREATING SUBSTRATE

#14
20230232030
2023-07-20

Nested and non-nested SEI messages in video bitstreams

#15
20230232029
2023-07-20

Sub-bitstream extraction

#16
20230203671
2023-06-29

SUS SURFACE TREATMENT METHOD

#17
20230144037
2023-05-11

Transforming a valve metal layer into a template comprising a plurality of spaced (nano)channels and forming spaced structures therein

#18
20230104538
2023-04-06

Procedure for Finishing Stainless Steel Parts

#19
20220339668
2022-10-27

METAL COATING METHOD

#20
20220325420
2022-10-13

Chemical composition for removing nickel-platinum alloy residues from a substrate, and method for removing such residues

#21
20220325419
2022-10-13

Aqueous composition, method for roughening stainless steel surface in which same is used, roughened stainless steel, and method for manufacturing same

#22
20220251714
2022-08-11

COMPOSITION, METHOD FOR ROUGHENING STAINLESS STEEL SURFACE USING SAME, ROUGHENED STAINLESS STEEL, AND METHOD FOR PRODUCING SAID ROUGHENED STAINLESS STEEL

#23
20220205077
2022-06-30

Method of manufacturing deposition mask, intermediate product to which deposition mask is allocated, and deposition mask

#24
20220190250
2022-06-16

Metal plate for deposition mask, and deposition mask and manufacturing method therefor

#25
20220149283
2022-05-12

Metal plate for deposition mask, and deposition mask and manufacturing method therefor

#26
20220145474
2022-05-12

Compositions and methods for creating nanoscale surface geometries on metals of an implantable device

#27
20220125552
2022-04-28

DENTAL DRILL SURFACE TREATMENT

#28
20220090284
2022-03-24

Treatment methods and solutions for improving adhesion of gold electroplating on metal surfaces

#29
20220090270
2022-03-24

Metal plate, deposition mask, and manufacturing method therefor

#30
20220085388
2022-03-17

Austenitic stainless steel sheet for fuel cell separators and production method therefor

#31
20220049361
2022-02-17

Method for manufacturing ruthenium wiring

#32
20210355586
2021-11-18

Method for producing base for metal masks, method for producing metal mask for vapor deposition, base for metal masks, and metal mask for vapor deposition

#33
20210332483
2021-10-28

COBALT CHROME ETCHING PROCESS

#34
20210317585
2021-10-14

Method and device for improving the surface condition of a turbomachine component

#35
20210277308
2021-09-09

Etchant composition

#36
20210254208
2021-08-19

Method of metallic component surface modification for electrochemical applications

#37
20210214837
2021-07-15

METHOD OF MANUFACTURING DEPOSITION MASK, INTERMEDIATE PRODUCT TO WHICH DEPOSITION MASK IS ALLOCATED, AND DEPOSITION MASK

#38
20210174982
2021-06-10

Porous solid materials and methods for fabrication

#39
20210140061
2021-05-13

Metal plate, deposition mask, and manufacturing method therefor

#40
20210108312
2021-04-15

Metal plate for manufacturing deposition mask, method for manufacturing metal plate, deposition mask and method for manufacturing deposition mask

#41
20210102268
2021-04-08

Method for manufacturing metal plate

#42
20200368819
2020-11-26

POWDER FEED FOR INJECTION MOLDING PROCESS

#43
20200362465
2020-11-19

Vapor deposition mask base material, vapor deposition mask base material manufacturing method, and vapor deposition mask manufacturing method

#44
20200340126
2020-10-29

Stainless steel sheet for fuel cell separators and production method therefor

#45
20200227640
2020-07-16

Metal plate for deposition mask, and deposition mask and manufacturing method therefor

#46
20200194773
2020-06-18

Fabrication of solid-state battery cells and solid-state batteries

#47
20200190671
2020-06-18

Cobalt chrome etching process

#48
20200165705
2020-05-28

High-entropy alloy foam and manufacturing method for the foam

#49
20200164434
2020-05-28

Powder feed for injection molding process and method for manufacturing porous metal

#50
20200157693
2020-05-21

Wet atomic layer etching using self-limiting and solubility-limited reactions

#51
20200152875
2020-05-14

Multi array electrode having projecting electrode parts arrayed thereon, method of manufacturing the same, and method of manufacturing organic deposition mask using the multi array electrode

#52
20200102642
2020-04-02

Method of metallic component surface modification for electrochemical applications

#53
20200056279
2020-02-20

Method of manufacturing deposition mask, intermediate product to which deposition mask is allocated, and deposition mask

#54
20190351594
2019-11-21

Surface treatment method of material, material product and composite material

#55
20190259951
2019-08-22

Metal plate for deposition mask, and deposition mask and manufacturing method therefor

#56
20190256965
2019-08-22

METHOD OF MANUFACTURING DEPOSITION MASK, INTERMEDIATE PRODUCT TO WHICH DEPOSITION MASK IS ALLOCATED, AND DEPOSITION MASK

#57
20190211458
2019-07-11

PROCESS FOR NiFe FLUXGATE DEVICE

#58
20190203372
2019-07-04

Coating method for clad steel and coating solution for coating clad steel

#59
20190177671
2019-06-13

Tungsten post-CMP cleaning composition

#60
20190161848
2019-05-30

Manufacturing method for deposition mask, metal plate used for producing deposition mask, and manufacturing method for said metal sheet

#61
20190071623
2019-03-07

Treatment liquid, method for washing substrate, and method for removing resist

#62
20180364161
2018-12-20

Graphene foam based optical sensor for oil exploration and spills detection

#63
20180334749
2018-11-22

Coating for a nickel-base superalloy

#64
20180312979
2018-11-01

Vapor deposition mask base material, vapor deposition mask base material manufacturing method, and vapor deposition mask manufacturing method

#65
20180311998
2018-11-01

Metal sheet preparing process with surface having wood grain and product thereof

#66
20180222097
2018-08-09

Stainless steel and synthetic resin composite molded body, and preparation method thereof

#67
20180219201
2018-08-02

Stainless steel for fuel cell separator plate and manufacturing method therefor

#68
20180163311
2018-06-14

Additive metal deposition process

#69
20180154608
2018-06-07

Method for producing metal containing composite and metal containing composite formed by adhesion

#70
20180147663
2018-05-31

Linear groove formation method and linear groove formation device

#71
20180135186
2018-05-17

OXIDE FILM REMOVING METHOD

#72
20180111354
2018-04-26

MANUFACTURING METHOD OF METAL/RESIN COMPOSITE STRUCTURE AND MANUFACTURING METHOD OF SURFACE-ROUGHENED STEEL MEMBER

#73
20180087161
2018-03-29

Process for NiFe fluxgate device

#74
20180068684
2018-03-08

Disk drive suspension baseplate having enhanced torque retention and method of manufacture

#75
20180065162
2018-03-08

Method for producing base for metal masks, method for producing metal mask for vapor deposition, base for metal masks, and metal mask for vapor deposition

#76
20180053948
2018-02-22

SEPARATOR FOR POLYMER ELECTROLYTE FUEL CELL AND METHOD FOR PRODUCING THE SAME

#77
20180034069
2018-02-01

FERRITIC STAINLESS STEEL MATERIAL, SEPARATOR, POLYMER ELECTROLYTE FUEL CELL, AND METHOD FOR PRODUCING SEPARATOR

#78
20180023182
2018-01-25

Manufacturing method for deposition mask, metal plate used for producing deposition mask, and manufacturing method for said metal sheet

#79
20170362715
2017-12-21

Manufacturing method of metal component and manufacturing method of electronic apparatus

#80
20170356092
2017-12-14

Removing material with nitric acid and hydrogen peroxide solution

#81
20170335480
2017-11-23

Coating method for clad steel and coating solution for coating clad steel

#82
20170288720
2017-10-05

Electronic product metal shell with an antenna groove and method of manufacturing the same

#83
20170167033
2017-06-15

ETCHING AGENT AND REPLENISHING LIQUID

#84
20170113274
2017-04-27

METHOD FOR MANUFACTURING A METALLIC COMPONENT WHICH IS POSSIBLE TO PICKLE

#85
20170004917
2017-01-05

Thin film type coil component and method of manufacturing the same

#86
20160312162
2016-10-27

Removal composition for selectively removing hard mask and methods thereof

#87
20160305011
2016-10-20

Method of metallic component surface modification for electrochemical applications

#88
20160280552
2016-09-29

Leaching ultrahard materials by enhanced demetalyzation

#89
20160254182
2016-09-01

Removal composition for selectively removing hard mask and methods thereof

#90
20160155935
2016-06-02

Process for NiFe fluxgate device

#91
20160122879
2016-05-05

Method for producing metal-resin complex

#92
20160102408
2016-04-14

Metal stripping additive, composition containing the same, and method for stripping metal by using the composition

#93
20160068968
2016-03-10

Strip process and composition for MCrAlY coatings and a method of using the same

#94
20160053385
2016-02-25

Etching method, etching solution used in same, and production method for semiconductor substrate product

#95
20160053355
2016-02-25

Steel material, hydrogen container, method for producing the steel material, and method for producing the hydrogen container

#96
20160002810
2016-01-07

Method of producing surface-treated steel sheet

#97
20150367483
2015-12-24

Apparatus and methods for high pressure leaching of polycrystalline diamond cutter elements

#98
20150332710
2015-11-19

Crystalline magnetic layer to amorphous substrate bonding

#99
20150267307
2015-09-24

Brightening and passivation of stainless steel surfaces

#100
20150197862
2015-07-16

Additive metal deposition process

#101
20150076114
2015-03-19

Method for the preparation of surfaces of dental or orthopedic implants

#102
20150060405
2015-03-05

Method for manufacturing microstructure

#103
20150060399
2015-03-05

Method and apparatus for producing detailed fabric applique

#104
20150053646
2015-02-26

Machine to chemically engrave a plate of stainless steel

#105
20150000696
2015-01-01

Method for smut removal during stripping of coating

#106
20140073140
2014-03-13

Etching composition

#107
20140001155
2014-01-02

MANUFACTURING METHOD OF MAGNETIC DISK SUBSTRATE

#108
20130180946
2013-07-18

Chemical removal of surface defects from grain oriented electrical steel

#109
20130140273
2013-06-06

SLURRY FOR CHEMICAL MECHANICAL POLISHING OF COBALT

#110
20130059501
2013-03-07

Method for stripping gamma-gamma prime coating from gamma-gamma prime alloy

#111
20120305529
2012-12-06

Implantable materials having engineered surfaces and method of making same

#112
20120271249
2012-10-25

Method for chemical etching of a needle cannula

#113
20120261196
2012-10-18

High diamond frame strength PCD materials

#114
20120231632
2012-09-13

Etching composition

#115
20120156408
2012-06-21

Polytetrafluoroethylene (PTFE) Masking Devices And Methods Of Use Thereof

#116
20120152065
2012-06-21

Chemical agents for recovery of leached materials

#117
20120152064
2012-06-21

Chemical agents for leaching polycrystalline diamond elements

#118
20120151847
2012-06-21

PROTECTIVE SYSTEM FOR LEACHING POLYCRYSTALLINE DIAMOND ELEMENTS

#119
20120138370
2012-06-07

Method of partially infiltrating an at least partially leached polycrystalline diamond table and resultant polycrystalline diamond compacts

#120
20120132275
2012-05-31

DYE-SENSITIZED SOLAR CELL AND METHOD FOR MANUFACTURING THE SAME

#121
20120074095
2012-03-29

Method of evaluating center segregation of continuous cast slab

#122
20120055717
2012-03-08

Polycrystalline diamond element

#123
20120047815
2012-03-01

Polycrystalline diamond compact

#124
20120047814
2012-03-01

Methods of fabricating polycrystalline diamond compacts

#125
20110315558
2011-12-29

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#126
20110297453
2011-12-08

Polycrystalline diamond compacts and related drill bits

#127
20110275211
2011-11-10

Methods of etching nanodots, methods of fabricating integrated circuit devices and device structures, methods of etching a layer comprising a late transition metal, and methods of forming a plurality of transistor gate constructions

#128
20110259848
2011-10-27

Rolled Copper Foil or Electrolytic Copper Foil for Electronic Circuit, and Method of Forming Electronic Circuit Using Same

#129
20110252712
2011-10-20

Method of making a diamond particle suspension and method of making a polycrystalline diamond article therefrom

#130
20110252711
2011-10-20

Method of preparing polycrystalline diamond from derivatized nanodiamond

#131
20110192652
2011-08-11

Composite cutter substrate to mitigate residual stress

#132
20110117236
2011-05-19

DIE AND METHOD FOR MANUFACTURING DIE

#133
20110100951
2011-05-05

METHOD AND APPARATUS FOR TRANSFERRING CARBONACEOUS MATERIAL LAYER

#134
20110100828
2011-05-05

Method of producing a hydrogen production filter

#135
20110067929
2011-03-24

Polycrystalline diamond compacts, methods of making same, and applications therefor

#136
20110056753
2011-03-10

Thermally stable ultra-hard material compact construction

#137
20110041966
2011-02-24

Functional member from co-based alloy and process for producing the same

#138
20110039406
2011-02-17

Methods of etching nanodots, methods of removing nanodots from substrates, methods of fabricating integrated circuit devices, methods of etching a layer comprising a late transition metal, and methods of removing a layer comprising a late transition metal from a substrate

#139
20110027461
2011-02-03

Metal processing method, manfacturing method of metal mask and manufacturing method of organic light emitting display device

#140
20110023375
2011-02-03

Polycrystalline diamond compacts, and related methods and applications

#141
20110017708
2011-01-27

METHOD OF REPRODUCING A MOLDING DIE FOR MOLDING GLASS

#142
20100320006
2010-12-23

Polycrystalline diamond cutting elements with engineered porosity and method for manufacturing such cutting elements

#143
20100304573
2010-12-02

Stabilized etching solutions for CU and CU/NI layers

#144
20100268346
2010-10-21

Nanotextured cobalt-chromium alloy articles having high wettability and method of producing same

#145
20100217377
2010-08-26

CALCIUM PHOSPHATE COATED STENTS COMPRISING COBALT CHROMIUM ALLOY

#146
20100212971
2010-08-26

Polycrystalline diamond compact including a cemented tungsten carbide substrate that is substantially free of tungsten carbide grains exhibiting abnormal grain growth and applications therefor

#147
20100189957
2010-07-29

STEEL MATERIAL COMPOSITE AND MANUFACTURING METHOD THEREOF

#148
20100139959
2010-06-10

Method for manufacturing a printed circuit board and a printed circuit board obtained by the manufacturing method

#149
20100129697
2010-05-27

Stainless steel separator for fuel cell and the manufacturing method thereof

#150
20100126762
2010-05-27

Method for manufacturing a printed circuit board and a printed circuit board obtained by the manufacturing method

#151
20100119836
2010-05-13

STAINLESS STEEL COMPOSITE AND MANUFACTURING METHOD THEREOF

#152
20100095602
2010-04-22

Techniques and materials for the accelerated removal of catalyst material from diamond bodies

#153
20100087066
2010-04-08

Selective chemical etch method for MRAM freelayers

#154
20100072076
2010-03-25

SURFACE TREATMENT METHOD FOR HOUSINGS

#155
20100047626
2010-02-25

Substrate for suspension, process for producing the same, suspension for magnetic head, and hard disk drive

#156
20100042223
2010-02-18

Method Of Surface Finishing A Bone Implant

#157
20100012390
2010-01-21

Method and apparatus for selectively leaching portions of PDC cutters already mounted in drill bits

#158
20100006799
2010-01-14

Method and Composition for Selectively Stripping Nickel from a Substrate

#159
20090324405
2009-12-31

METHOD FOR FORMING CORROSION-RESISTANT PLATING LAYER AND ROTARY MACHINE

#160
20090309228
2009-12-17

Method for forming self-aligned metal silicide contacts

#161
20090308761
2009-12-17

Recast removal method

#162
20090304772
2009-12-10

Implantable materials having engineered surfaces and method of making same

#163
20090302005
2009-12-10

PROCESSES FOR TEXTURING A SURFACE PRIOR TO ELECTROLESS PLATING

#164
20090212021
2009-08-27

COMPOSITIONS AND METHODS FOR SELECTIVE REMOVAL OF METAL OR METAL ALLOY AFTER METAL SILICIDE FORMATION

#165
20090196999
2009-08-06

Adhesion promotion

#166
20090152018
2009-06-18

Polycrystalline diamond compacts, and related methods and applications

#167
20090127226
2009-05-21

PROCESS FOR PRODUCING SELF-SUPPORTING TITANIUM AND NICKEL LAYERS

#168
20090088858
2009-04-02

Method Of Surface Finishing A Bone Implant

#169
20090078679
2009-03-26

ETCHING SOLUTION AND METHOD FOR REGENERATING WASTE LIQUID THEREOF, AND METHOD FOR RECOVERING VALUABLE METALS FROM WASTE LIQUID

#170
20090011585
2009-01-08

Methods of etching nanodots, methods of removing nanodots from substrates, methods of fabricating integrated circuit devices, methods of etching a layer comprising a late transition metal, and methods of removing a layer comprising a late transition metal from a substrate

#171
20080315322
2008-12-25

Method for reliably removing excess metal during metal silicide formation

#172
20080314868
2008-12-25

Methods of forming semiconductor devices formed by processes including the use of specific etchant solutions

#173
20080237190
2008-10-02

SURFACE CLEANING METHOD OF SEMICONDUCTOR WAFER HEAT TREATMENT BOAT

#174
20080233423
2008-09-25

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#175
20080230517
2008-09-25

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#176
20080223621
2008-09-18

Thermally stable ultra-hard material compact construction

#177
20080116170
2008-05-22

SELECTIVE METAL WET ETCH COMPOSITION AND PROCESS

#178
20080022724
2008-01-31

MOLDING DIE FOR MOLDING GLASS AND REPRODUCING METHOD THEREOF

#179
20080011982
2008-01-17

A Method And Composition For Selectively Stripping Nickel From A Substrate

#180
20080011981
2008-01-17

Etchant and replenishment solution therefor, and etching method and method for producing wiring board using the same

#181
20070257010
2007-11-08

Method and composition for selectively stripping nickel from a substrate

#182
20070254479
2007-11-01

Method for forming self-aligned metal silicide contacts

#183
20070190302
2007-08-16

Filter for purifying hydrogen and method for manufacture thereof

#184
20070175764
2007-08-02

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#185
20070169419
2007-07-26

Sonochemical leaching of polycrystalline diamond

#186
20070012656
2007-01-18

Selective chemical etch method for MRAM soft layers

#187
20060293758
2006-12-28

Implants with textured surface and methods for producing the same

#188
20060289388
2006-12-28

Implants with textured surface and methods for producing the same

#189
20060266558
2006-11-30

Thermally stable ultra-hard material compact construction

#190
20060180574
2006-08-17

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#191
20060151434
2006-07-13

Selective surface texturing through the use of random application of thixotropic etching agents

#192
20060096948
2006-05-11

Thin film support substrate for use in hydrogen production filter and production method of hydrogen production filter

#193
20060091182
2006-05-04

Repair of braze joint and article repaired

#194
20060028865
2006-02-09

Etchant solutions and methods of forming semiconductor devices formed by processes including the same

#195
20050196962
2005-09-08

Method for forming a self-aligned germanide and devices obtained thereof

#196
20050127032
2005-06-16

Master for concavo-convex pattern transfer and method for manufacturing stamp for manufacturing information recording medium

#197
20050109734
2005-05-26

Etchant and replenishment solution therefor, and etching method and method for producing wiring board using the same

#198
20050000942
2005-01-06

Method and composition for selectively etching against cobalt silicide