ClassID:

120602

C23F1/20 - CPC Classification

Classification description:

Etching metallic material by chemical means; Etching compositions; Aqueous compositions; Acidic compositions for etching aluminium or alloys thereof

Recent Application in this class:
#1
20260117392
2026-04-30

SINGLE STEP SURFACE PREPARATION USING A CITRIC ACID COMPOSITION

#2
20260117391
2026-04-30

SINGLE STEP SURFACE PREPARATION USING A CITRIC ACID COMPOSITION

#3
20260096365
2026-04-02

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

#4
20250075336
2025-03-06

SYSTEMS AND METHODS FOR IMPROVING THE BOILING HEAT TRANSFER OF A HEAT TRANSFER COIL

#5
20250024617
2025-01-16

Decorative Plate and Manufacturing Method Therefor, and Electronic Device

#6
20240334937
2024-10-10

ANTIBACTERIAL METAL MATERIAL AND ANTIBACTERIAL ARTICLE

#7
20240093089
2024-03-21

COMPOSITION AND PROCESS FOR SELECTIVELY ETCHING A LAYER COMPRISING AN ALUMINIUM COMPOUND IN THE PRESENCE OF LAYERS OF LOW-K MATERIALS, COPPER AND/OR COBALT

#8
20240075461
2024-03-07

Method of producing catalyst or adsorbent carrier, and catalyst or adsorbent carrier

#9
20240060187
2024-02-22

CONTINUOUS COIL PRETREATMENT PROCESS

#10
20240035188
2024-02-01

SURFACE TREATMENT METHOD OF ALUMINUM MATERIAL

#11
20230407487
2023-12-21

ETCHANT AND METHOD OF SURFACE TREATMENT OF ALUMINUM OR ALUMINUM ALLOY

#12
20230203670
2023-06-29

METAL MEMBER, METAL-RESIN COMPOSITE, AND METHOD FOR MANUFACTURING METAL MEMBER

#13
20230193476
2023-06-22

CHEMICAL POLISHING BATH FOR ALUMINUM AND ALUMINUM ALLOYS, AND METHOD USING SUCH A BATH

#14
20230158613
2023-05-25

METHOD OF MANUFACTURING A BRAZING SHEET

#15
20230151497
2023-05-18

Organic contamination free surface machining

#16
20230144037
2023-05-11

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

#17
20230081397
2023-03-16

ANTI-CORROSION SUPER-SLIPPERY ALUMINUM CAPILLARY TUBE AND METHOD AND DEVICE FOR PREPARING THE SAME

#18
20230007798
2023-01-05

ELECTRONIC DEVICE INCLUDING PLATE, PLATE, AND METHOD FOR MANUFACTURING PLATE

#19
20220403530
2022-12-22

METHOD FOR POLISHING PARTS MADE OF ALUMINUM

#20
20220339668
2022-10-27

METAL COATING METHOD

#21
20220298647
2022-09-22

METHOD OF FINISHING A METALLIC SURFACE

#22
20220298604
2022-09-22

Titanium alloy product, housing, and method for manufacturing the same

#23
20220285819
2022-09-08

Preparation method, apparatus, and device for coplanar waveguide structure, and superconducting device

#24
20220186382
2022-06-16

Surface structure having function freezing delay and icing layer separation and manufacturing method thereof

#25
20220097311
2022-03-31

ALUMINUM-BASED METAL-RESIN COMPOSITE STRUCTURE, ALUMINUM-BASED METAL MEMBER, METHOD FOR MANUFACTURING ALUMINUM-BASED METAL MEMBER, AND METHOD FOR MANUFACTURING ALUMINUM-BASED METAL-RESIN COMPOSITE STRUCTURE

#26
20220090269
2022-03-24

CONTINUOUS SURFACE TREATMENT FOR COILS MADE OF ALUMINUM ALLOYS SHEETS

#27
20220040803
2022-02-10

ALUMINUM ALLOY BRAZING SHEET AND METHOD FOR MANUFACTURING THE SAME

#28
20210394311
2021-12-23

Brazing sheet and manufacturing method thereof

#29
20210339354
2021-11-04

Organic contamination free surface machining

#30
20210230726
2021-07-29

METHOD FOR PROCESSING A RAW WORKPIECE INTO A FINAL WORKPIECE

#31
20210213568
2021-07-15

Method of manufacturing a brazing sheet

#32
20210174982
2021-06-10

Porous solid materials and methods for fabrication

#33
20210170532
2021-06-10

Aluminium multilayer brazing sheet for fluxfree brazing

#34
20210041192
2021-02-11

Modified surface for condensation

#35
20210005395
2021-01-07

Increasing capacitance of a capacitor

#36
20200339822
2020-10-29

Color changing adhesive bond primer

#37
20200339523
2020-10-29

COMPOSITION AND PROCESS FOR SELECTIVELY ETCHING A LAYER COMPRISING AN ALUMINIUM COMPOUND IN THE PRESENCE OF LAYERS OF LOW-K MATERIALS, COPPER AND/OR COBALT

#38
20200248688
2020-08-06

Method of manufacture of scroll compressors and scroll compressors manufactured thereby

#39
20200194773
2020-06-18

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

#40
20200188881
2020-06-18

Method of producing catalyst or adsorbent carrier, and catalyst or adsorbent carrier

#41
20200181792
2020-06-11

Transforming a Valve Metal Layer Into a Template Comprising a Plurality of Spaced (Nano)channels and Forming Spaced Structures Therein

#42
20200094324
2020-03-26

Method of manufacturing a fin structure for heat exchanger

#43
20200024750
2020-01-23

Etchant composition for etching titanium layer or titanium-containing layer, and etching method

#44
20200010762
2020-01-09

Etching liquid composition and etching method

#45
20190390304
2019-12-26

Aluminum alloy magnetic disk substrate and method for producing same

#46
20190323131
2019-10-24

FLUORINATED ACID COMPOUNDS, COMPOSITIONS AND METHODS OF USE

#47
20190291218
2019-09-26

Brazing sheet, manufacturing method thereof, and aluminum structure brazing method

#48
20190255655
2019-08-22

Indirect surface finishing during hybrid manufacturing

#49
20190193185
2019-06-27

Aluminum alloy products exhibiting improved bond durability and methods of making the same

#50
20190189312
2019-06-20

Pretreatment of Thick-Film Aluminum Electrode for Metal Plating

#51
20190177857
2019-06-13

SURFACE STRUCTURE HAVING FUNCTION FREEZING DELAY AND ICING LAYER SEPARATION AND MANUFACTURING METHOD THEREOF

#52
20190169753
2019-06-06

Method for reducing surface roughness

#53
20190127857
2019-05-02

Surface treatment method of aluminum for bonding different materials

#54
20190098785
2019-03-28

Etching for bonding polymer material to a metal surface

#55
20190098780
2019-03-28

Etching for bonding polymer material to anodized metal

#56
20190085463
2019-03-21

CONTINUOUS COIL PRETREATMENT PROCESS

#57
20190062885
2019-02-28

ALUMINUM ALLOY HAVING VISIBLE GRAINS AND ALUMINUM ALLOY COLORED BY DOUBLE ANODIZATION

#58
20190040532
2019-02-07

Method for etching the surface of aluminum fragments, aluminum fragments with an etched surface and material composites containing such fragments

#59
20180350526
2018-12-06

Method for producing electrode for aluminum electrolytic capacitor

#60
20180311998
2018-11-01

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

#61
20180258540
2018-09-13

Fluorinated acid compounds, compositions and methods of use

#62
20180237923
2018-08-23

ETCHING LIQUID COMPOSITION AND ETCHING METHOD

#63
20180155841
2018-06-07

Fluorinated acid compounds, compositions and methods of use

#64
20180154608
2018-06-07

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

#65
20180085977
2018-03-29

METAL RESIN COMPOSITE

#66
20180002818
2018-01-04

Methods and compositions for acid treatment of a metal surface

#67
20170361642
2017-12-21

Multi-dimensional art works and methods

#68
20170317231
2017-11-02

METHOD OF DETACHING A SUBSTRATE, DEVICE THAT CARRIES OUT SUCH A METHOD AND PUMPING DEVICE THAT PUMPS ETCHING SOLUTION

#69
20170120573
2017-05-04

CYLINDER ETCHING APPARATUS

#70
20170081977
2017-03-23

Method for selective aluminide diffusion coating removal

#71
20170062230
2017-03-02

Etching method, article manufacturing method, and etching apparatus

#72
20170051389
2017-02-23

Method for altering metal surfaces

#73
20170034920
2017-02-02

Method for manufacturing circuit board and circuit board

#74
20160319440
2016-11-03

Continuous coil pretreatment process

#75
20160303820
2016-10-20

Metal-resin composite body

#76
20160260649
2016-09-08

Wavelength selective heat radiation material selectively radiating heat radiation light corresponding to infrared ray transmission wavelength region of resin member and method for manufacturing the same

#77
20160230290
2016-08-11

METHOD FOR TREATING SURFACE OF ALUMINUM CAN

#78
20160221235
2016-08-04

Manufacturing method for metal and plastic composite bodies

#79
20160204001
2016-07-14

Metal etchant compositions and methods of fabricating a semiconductor device using the same

#80
20160194786
2016-07-07

Self-aligned tunable metamaterials

#81
20160153094
2016-06-02

Salt Based Etching of Metals and Alloys for Fabricating Superhydrophobic and Superoleophobic Surfaces

#82
20160122879
2016-05-05

Method for producing metal-resin complex

#83
20160102012
2016-04-14

Method for treating a surface and device implemented

#84
20160068968
2016-03-10

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

#85
20160067894
2016-03-10

Method of preparing aluminum-resin complex

#86
20150360340
2015-12-17

METHOD FOR POLISHING ALLOY MATERIAL AND METHOD FOR MANUFACTURING ALLOY MATERIAL

#87
20150329973
2015-11-19

Methods and compositions for acid treatment of a metal surface

#88
20150322576
2015-11-12

Methods and Compositions for Acid Treatment of a Metal Surface

#89
20150275375
2015-10-01

Generation of compact alumina passivation layers on aluminum plasma equipment components

#90
20150275361
2015-10-01

Conditioned semiconductor system parts

#91
20150224742
2015-08-13

Metal-resin composite structure and metal member

#92
20150079384
2015-03-19

Metal composite and method of preparing the same, metal-resin composite and method of preparing the same

#93
20150076114
2015-03-19

Method for the preparation of surfaces of dental or orthopedic implants

#94
20150009571
2015-01-08

METHOD OF MANUFACTURING NANOSTRUCTURES ON A SURFACE, ON A MOLD AND ON AN OPTICAL ELEMENT, AND AN OPTICAL ELEMENT AS SUCH MANUFACTURED

#95
20150000696
2015-01-01

Method for smut removal during stripping of coating

#96
20140073140
2014-03-13

Etching composition

#97
20130334173
2013-12-19

Methods and Compositions for Acid Treatment of a Metal Surface

#98
20130299456
2013-11-14

Method of removing work-affected layer

#99
20130277602
2013-10-24

ETCHING AGENT FOR ALUMINUM OR ALUMINUM ALLOY

#100
20130240255
2013-09-19

Test piece and manufacturing method thereof

#101
20130126474
2013-05-23

Surface improvement on electric discharge machined titanium alloy miniature parts for implantable medical device

#102
20130009090
2013-01-10

Aluminum Etchant

#103
20120298626
2012-11-29

Methods and compositons for acid treatment of a metal surface

#104
20120292559
2012-11-22

Methods and Compositions for Acid Treatment of a Metal Surface

#105
20120135222
2012-05-31

ALUMINUM ARTICLE AND METHOD FOR MANUFACTURING SAME

#106
20120015205
2012-01-19

Surface finishing process for indirect or offset printing components

#107
20110316054
2011-12-29

Method, apparatus, and system for micromechanical gas chemical sensing capacitor

#108
20110297873
2011-12-08

Etching solution compositions for metal laminate films

#109
20110287926
2011-11-24

Method of surface treatment of aluminum foil and its alloy and method of producing immobilized nanocatalyst of transition metal oxides and their alloys

#110
20110240988
2011-10-06

Semiconductor film comprising an oxide containing in atoms, Sn atoms and Zn atoms

#111
20110111214
2011-05-12

INTEGRALLY INJECTION-MOLDED ALUMINUM/RESIN ARTICLE AND PROCESS FOR PRODUCING THE SAME

#112
20100261034
2010-10-14

COMPOSITE METALLIC MATERIALS, USES THEREOF AND PROCESS FOR MAKING SAME

#113
20100230631
2010-09-16

Etching liquid composition

#114
20100032613
2010-02-11

Etchant composition, and methods of patterning conductive layer and manufacturing flat panel display device using the same

#115
20090246953
2009-10-01

Method for manufacturing semiconductor device

#116
20090124091
2009-05-14

Etching solution composition for metal films

#117
20090090635
2009-04-09

Methods and compositions for acid treatment of a metal surface

#118
20080224093
2008-09-18

ETCHANT FOR SIGNAL WIRE AND METHOD OF MANUFACTURING THIN FILM TRANSISTOR ARRAY PANEL USING ETCHANT

#119
20080149885
2008-06-26

ETCHANT FOR ETCHING WORKPIECES MADE OF ALUMINUM AND ALUMINUM ALLOYS

#120
20070066503
2007-03-22

Methods and compositions for acid treatment of a metal surface

#121
20070037402
2007-02-15

Method for manufacturing semi-transparent semi-reflective electrode substrate, reflective element substrate, method for manufacturing same, etching composition used for the method for manufacturing the reflective electrode substrate

#122
20070029280
2007-02-08

Etchant composition, methods of patterning conductive layer and manufacturing flat panel display device using the same

#123
20060289383
2006-12-28

Composition for removing conductive materials and manufacturing method of array substrate using the same

#124
20060281317
2006-12-14

Thin film transistor substrate and method of fabricating the same

#125
20060264049
2006-11-23

Spin-printing of etchants and modifiers

#126
20060189123
2006-08-24

Etchant and method of etching

#127
20060183338
2006-08-17

Etchant composition and manufacturing method for thin film transistor array panel

#128
20060151434
2006-07-13

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

#129
20060127684
2006-06-15

Composite article of aluminum alloy with resin and method for production thereof

#130
20060124206
2006-06-15

Composition for etching double metal layer, method of fabricating array substrate using the composition, and method of forming double metal line using the composition

#131
20060118522
2006-06-08

Etching composition and use thereof with feedback control of HF in BEOL clean

#132
20060115942
2006-06-01

Method for manufacturing semiconductor device

#133
20060094241
2006-05-04

Etchant for conductive materials and method of manufacturing a thin film transistor array panel using the same

#134
20060032757
2006-02-16

Activation of aluminum for electrodeposition or electroless deposition

#135
20050266695
2005-12-01

Novel aqueous based metal etchant

#136
20050258138
2005-11-24

Wafer recovering method, wafer, and fabrication method

#137
20050190322
2005-09-01

Etching composition for laminated film including reflective electrode and method for forming laminated wiring structure

#138
20050186359
2005-08-25

Method for manufacturing conductive element substrate, conductive element substrate, method for manufacturing liquid crystal display, liquid crystal display and electronic information equipment

#139
20050178669
2005-08-18

Method of electroplating aluminum

#140
20050161438
2005-07-28

Method for chemically removing aluminum-containing materials from a substrate

#141
20050136672
2005-06-23

Etching solution composition for metal films

#142
20050133758
2005-06-23

Method for fabricating liquid crystal display device

#143
20050127447
2005-06-16

Method of manufacturing a substrate for an electronic device by using etchant and electronic device having the substrate

#144
20050118334
2005-06-02

PROCESS FOR INHIBITING SRZ FORMATION AND COATING SYSTEM THEREFOR

#145
20050095871
2005-05-05

Process of maintaining hybrid etch

#146
20050040139
2005-02-24

Aqueous based metal etchant

#147
20050039774
2005-02-24

Method for removing a composite coating containing tantalum deposition and arc sprayed aluminum from ceramic substrates

#148
20050011863
2005-01-20

Method for inspecting a titanium-based component

#149
17903380
2024-06-11

Connector for non-cylindrical composite tubing

#150
16264987
2022-12-20

Connector for non-cylindrical composite tubing

#151
15819938
2019-03-19

Connector for non-cylindrical composite tubing and methods for making the same