ClassID:

119920

C23C8/12 - CPC Classification

Classification description:

Solid state diffusion of only non-metal elements into metallic material surfaces ; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied; Oxidising using elemental oxygen or ozone

Sub-classes:
Recent Application in this class:
#1
20260139354
2026-05-21

METHODS OF IMPROVING ELECTRODES FOR LIQUID ALKALINE WATER ELECTROLYZERS

#2
20260136901
2026-05-14

COPPER-BASED TUNNELING BARRIER LAYER FOR STRESS REDUCTION IN COPPER STRUCTURES AND METHODS FOR FORMING THE SAME

#3
20260071305
2026-03-12

STEEL TREATMENT METHOD AND ELECTRICAL STEEL SHEET

#4
20260005014
2026-01-01

METHOD FOR OXIDATION OF TOP SILICON LAYER IN BONDED WAFER

#5
20250385082
2025-12-18

DUAL PRESSURE OXIDATION METHOD FOR FORMING AN OXIDE LAYER IN A FEATURE

#6
20250305148
2025-10-02

METHOD OF FORMING A HYDROGEN PERMEATION BARRIER ON A METAL SUBSTRATE

#7
20250207237
2025-06-26

DECORATIVE COMPONENT AND METHOD FOR PRODUCING DECORATIVE COMPONENT

#8
20250105023
2025-03-27

MANUFACTURING METHOD OF SEMICONDUCTOR DEVICE

#9
20250054671
2025-02-13

Highly Textured 001 BiSb And Materials for Making Same

#10
20250051901
2025-02-13

METHOD FOR SURFACE TREATMENT OF CORROSION-RESISTANT NICKEL-BASED ALLOY AND ITS STRUCTURE

#11
20250019815
2025-01-16

FILM-FORMING METHOD AND FILM-FORMING APPARATUS

#12
20250006850
2025-01-02

ULTRATHIN SILICON OXYNITRIDE INTERFACE MATERIAL, TUNNEL OXIDE PASSIVATED STRUCTURE AND PREPARATION METHODS AND APPLICATIONS THEREOF

#13
20240342795
2024-10-17

METHOD FOR PRODUCING ALLOY POWDER AND ALLOY POWDER, PASTE AND CAPACITOR PREPARED BY THE METHOD

#14
20240254614
2024-08-01

MANUFACTURING METHOD OF AN ANTIMICROBIAL AND ADHESION-PROOF TITANIUM TABLEWARE

#15
20240229217
2024-07-11

A METHOD FOR ETCHING MOLYBDENUM

#16
20240138995
2024-05-02

OXIDE LAYER-CONTAINING ZIRCONIUM-NIOBIUM ALLOY ANKLE JOINT PROSTHETIC SYSTEM AND MANUFACTURING METHOD

#17
20240133016
2024-04-25

A METHOD FOR ETCHING MOLYBDENUM

#18
20240043984
2024-02-08

METHODS FOR FORMING MICROSCALE AND/OR NANOSCALE STRUCTURES ON SURFACES AND DEVICES INCLUDING BIOMEDICAL DEVICES HAVING SURFACES WITH SUCH STRUCTURES

#19
20240035141
2024-02-01

SUBSTRATE PROCESSING METHOD AND SUBSTRATE PROCESSING APPARATUS

#20
20240011155
2024-01-11

METHOD FOR MANUFACTURING A THIN-FILM LITHIATED MATERIAL

#21
20240006109
2024-01-04

Highly textured 001 BiSb and materials for making same

#22
20230392248
2023-12-07

DISPERSION-HARDENED PRECIOUS-METAL ALLOY

#23
20230343818
2023-10-26

Semiconductor Device and Method for Forming the Same

#24
20230248879
2023-08-10

OXIDE LAYER-CONTAINING ZIRCONIUM-NIOBIUM ALLOY SHOULDER JOINT PROSTHESIS SYSTEM AND PREPARATION METHOD

#25
20230212730
2023-07-06

METHODS FOR FORMING MICROSCALE AND/OR NANOSCALE STRUCTURES ON SURFACES AND DEVICES INCLUDING BIOMEDICAL DEVICES HAVING SURFACES WITH SUCH STRUCTURES

#26
20230207291
2023-06-29

Dual pressure oxidation method for forming an oxide layer in a feature

#27
20230178274
2023-06-08

Neodymium-Iron-Boron Sintered Magnet and Method of Anti-Corrosion Treatment

#28
20230123871
2023-04-20

Antimicrobial and adhesion-proof titanium tableware and manufacturing method of the same

#29
20230097621
2023-03-30

METHOD OF PROCESSING SUBSTRATE, METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE, SUBSTRATE PROCESSING APPARATUS, AND RECORDING MEDIUM

#30
20220364254
2022-11-17

Methods of controllable interstitial oxygen doping in niobium

#31
20220341022
2022-10-27

METHOD AND DEVICE FOR PROMOTING ADHESION OF METALLIC SURFACES

#32
20220325415
2022-10-13

Method for growth of atomic layer ribbons and nanoribbons of transition metal dichalcogenides

#33
20220267909
2022-08-25

Substrate processing method and substrate processing apparatus

#34
20220235468
2022-07-28

Laminate

#35
20220154322
2022-05-19

PREPARATION METHOD AND APPLICATION OF OXIDIZED CERAMIC LAYER ON SURFACE OF ZIRCONIUM AND ZIRCONIUM ALLOY

#36
20220084799
2022-03-17

SEMICONDUCTOR MANUFACTURING APPARATUS

#37
20220081751
2022-03-17

Dispersion-hardened precious-metal alloy

#38
20220064772
2022-03-03

Processing of iron cobalt lamination material for hybrid turbo-electric components

#39
20220005678
2022-01-06

SUBSTRATE PROCESSING APPARATUS, REFLECTOR AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE

#40
20210404046
2021-12-30

High pressure oxidation of metal films

#41
20210324522
2021-10-21

Method for growth of atomic layer ribbons and nanoribbons of transition metal dichalcogenides

#42
20210308762
2021-10-07

Method for producing an open-pored metal body having an oxide layer and metal body produced by said method

#43
20210183645
2021-06-17

Method of manufacturing semiconductor device, substrate processing apparatus and non-transitory computer-readable recording medium

#44
20210147972
2021-05-20

Method and device for promoting adhesion of metallic surfaces

#45
20210039355
2021-02-11

Hot-stamped body

#46
20210039354
2021-02-11

Hot-stamped body

#47
20200141009
2020-05-07

Substrate for flexible device

#48
20200129310
2020-04-30

Apparatus for invitro control of degradation rate of artificial bone, degradation method, and artificial bone

#49
20200087797
2020-03-19

Modified oxide surface treatment layer for alloys and corresponding methods

#50
20200047253
2020-02-13

Methods Of Fabricating Ceramic Or Intermetallic Parts

#51
20200002800
2020-01-02

Black plated steel sheet and manufacturing method therefor

#52
20190323102
2019-10-24

Surface treatment method of metallic materials

#53
20190218654
2019-07-18

Current collector production apparatus

#54
20190185983
2019-06-20

High pressure oxidation of metal films

#55
20190072865
2019-03-07

Electrophotographic photosensitive member and method for producing electrophotographic photosensitive member

#56
20180363124
2018-12-20

Method and device for promoting adhesion of metallic surfaces

#57
20180345360
2018-12-06

Oxidation resistant shot sleeve for high temperature die casting and method of making

#58
20180047997
2018-02-15

Titanium product, separator, and proton exchange membrane fuel cell, and method for producing titanium product

#59
20170356076
2017-12-14

Titanium alloy member and method for manufacturing the same

#60
20170271173
2017-09-21

METHOD FOR FORMING METALLIZATION STRUCTURE

#61
20170260618
2017-09-14

Method for forming yttrium oxide on semiconductor processing equipment

#62
20170198380
2017-07-13

Synthesis of metal-oxygen based materials with controlled porosity by oxidative dealloying

#63
20170107603
2017-04-20

Friction adjustment interface between two parts made of nickel or nickel or cobalt-chromium alloy that are in relative motion against one another at high temperature

#64
20170051388
2017-02-23

Mask-Less Selective Plating of Leadframe

#65
20170050241
2017-02-23

Methods of fabricating ceramic or intermetallic parts

#66
20160360623
2016-12-08

Methods of treating metal surfaces and devices formed thereby

#67
20160329575
2016-11-10

Titanium material or titanium alloy material having surface electrical conductivity and method for producing the same, and fuel cell separator and fuel cell using the same

#68
20160211531
2016-07-21

Powdered metal component

#69
20160111344
2016-04-21

Method and apparatus for characterizing metal oxide reduction

#70
20160111210
2016-04-21

MULTILAYER CERAMIC DEVICE HAVING A CRACK GUIDE PATTERN

#71
20160083851
2016-03-24

Surface treatment to passivate sublimation surfaces to hydrophobic contaminants

#72
20160024662
2016-01-28

System and process for aluminization of metal-containing substrates

#73
20150364327
2015-12-17

Method for preparing a film and method for preparing an array substrate, and array substrate

#74
20150308928
2015-10-29

Whisker manufacturing, detection, response, and compound manufacturing apparatus and method

#75
20150217349
2015-08-06

Plug for rolling of seamless steel pipe, method for manufacturing the same and method for manufacturing seamless steel pipe using the same

#76
20150203950
2015-07-23

Method for Treating Elongated Metal Product by Heating and Oxidizing the Surface in a Controlled Environment

#77
20150083277
2015-03-26

Method for producing oxide layers which protect against wear and/or corrosion

#78
20150070691
2015-03-12

Whisker manufacturing, detection, response, and compound manufacturing apparatus and method

#79
20150044491
2015-02-12

METHOD OF FORMING A BLACK TANTALUM ALLOY, A TANTALUM ALLOY, AND ARTICLES FORMED THEREFROM

#80
20140261897
2014-09-18

Methods of treating metal surfaces and devices formed thereby

#81
20140226255
2014-08-14

Multilayer ceramic device having a crack guide pattern

#82
20140048183
2014-02-20

System and process for aluminization of metal-containing substrates

#83
20130306195
2013-11-21

Surface treatment to passivate sublimation surfaces to hydrophobic contaminants

#84
20130025745
2013-01-31

Mask-Less Selective Plating of Leadframes

#85
20120056133
2012-03-08

METHOD OF MANUFACTURING ELECTRODE FOR ELECTRICAL-DISCHARGE SURFACE TREATMENT, AND ELECTRODE FOR ELECTRICAL-DISCHARGE SURFACE TREATMENT

#86
20110320007
2011-12-29

Diffusion-hardened medical implant

#87
20110217464
2011-09-08

Method for applying a thermal barrier coating

#88
20110160841
2011-06-30

MEDICAL APPLIANCE AND SURFACE TREATMENT METHOD THEREOF

#89
20110014785
2011-01-20

Method for manufacturing semiconductor device, and semiconductor manufacturing apparatus used in said method

#90
20100252145
2010-10-07

Method for producing surface-modified rare earth metal-based sintered magnet and surface-modified rare earth metal-based sintered magnet

#91
20100247952
2010-09-30

CONTROLLED OXIDATION OF BOND COAT

#92
20100013585
2010-01-21

Process for producing highly anticorrosive rare earth permanent magnet and method of using the same

#93
20090127110
2009-05-21

Method of manufacturing electrode for electrical-discharge surface treatment, and electrode for electrical-discharge surface treatment

#94
20090074836
2009-03-19

Diffusion-hardened medical implant

#95
20080289729
2008-11-27

Method of manufacturing a diffusion-hardened medical implant

#96
20080200038
2008-08-21

Heat processing method and apparatus for semiconductor process

#97
20080142122
2008-06-19

NIOBIUM-SILICIDE ALLOYS HAVING A SURFACE REGION OF ENHANCED ENVIRONMENTAL-RESISTANCE, AND RELATED ARTICLES AND PROCESSES

#98
20080056967
2008-03-06

Oxidizing method and oxidizing unit for object to be processed

#99
20080020549
2008-01-24

Method and apparatus for forming an oxide layer on semiconductors

#100
20070137734
2007-06-21

Diffusion-hardened medical implant

#101
20070134126
2007-06-14

Method of inhibiting metal corrosion

#102
20070125745
2007-06-07

Method of making an ignition device

#103
20060228492
2006-10-12

Method for manufacturing SIMOX wafer

#104
20060099435
2006-05-11

Thermal Treatment Method

#105
20050272269
2005-12-08

Oxidizing method and oxidizing unit for object to be processed

#106
20050191864
2005-09-01

Magenta toner and method for producing same

#107
20050150576
2005-07-14

Passivation of tantalum and other metal powders using oxygen