ClassID:

234838

H05K2203/0796 - CPC Classification

Classification description:

Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by; Treatments involving liquids, e.g. plating, rinsing characterised by the specific liquids involved; Using an aqueous solution, e.g. for cleaning or during drilling of holes Oxidant in aqueous solution, e.g. permanganate

Recent Application in this class:
#1
20250324516
2025-10-16

METHOD FOR CLEANING A NONCONDUCTIVE SURFACE AND USE

#2
20230142375
2023-05-11

COMPOSITE COPPER COMPONENTS

#3
20200221578
2020-07-09

Method for forming circuits using seed layer and etchant composition for selective etching of seed layer

#4
20200163219
2020-05-21

Microcircuit forming method and etching fluid composition

#5
20200053881
2020-02-13

Method for manufacturing transfer film including seed layer, method for manufacturing circuit board by selectively etching seed layer, and etching solution composite

#6
20190292408
2019-09-26

CHEMICAL MECHANICAL POLISHING COMPOSITION AND METHOD OF MANUFACTURING CIRCUIT BOARD

#7
20190003061
2019-01-03

Etching solution for copper and copper alloy surfaces

#8
20170374736
2017-12-28

Substrates for stretchable electronics and method of manufacture

#9
20170362682
2017-12-21

Method For Recycling Waste Electrical And Electronic Equipment

#10
20170231097
2017-08-10

Desmear module of a horizontal process line and a method for separation method and removal of desmear particles from such a desmear module

#11
20160330833
2016-11-10

Electrical device with teeth joining layers and method for making the same

#12
20160079174
2016-03-17

Mechanical adhesion of copper metallization to dielectric with partially cured epoxy fillers

#13
20150083602
2015-03-26

Method for manufacture of fine line circuitry

#14
20140091053
2014-04-03

Electrical device with teeth joining layers and method for making the same

#15
20130319749
2013-12-05

Production method of multilayer printed wiring board and multilayer printed wiring board

#16
20130299226
2013-11-14

Mechanical adhesion of copper metallization to dielectric with partially cured epoxy fillers

#17
20130105206
2013-05-02

TRANSPARENT PANEL AND METHOD OF MANUFACTURING THE SAME

#18
20130078367
2013-03-28

Adhesion promotion in printed circuit boards

#19
20130048598
2013-02-28

Plating method of circuit substrate, production method of plated circuit substrate, and silver etching liquid

#20
20130032568
2013-02-07

Electrical device with teeth joining layers and method for making the same

#21
20120167916
2012-07-05

NEUTRALIZING/REDUCING AGENT, AND DESMEAR METHOD

#22
20120085569
2012-04-12

Embedded structure

#23
20120067633
2012-03-22

Multi-layer printed circuit board and method of manufacturing multi-layer printed circuit board

#24
20110051387
2011-03-03

METHOD FOR ELECTROLESS NICKEL-PALLADIUM-GOLD PLATING, PLATED PRODUCT, PRINTED WIRING BOARD, INTERPOSER AND SEMICONDUCTOR APPARATUS

#25
20100282393
2010-11-11

Process for improving adhesion of polymeric materials to metal surfaces

#26
20100139959
2010-06-10

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

#27
20100126762
2010-05-27

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

#28
20100051066
2010-03-04

COMPOSITION FOR REMOVING RESIDUE FROM WIRING BOARD AND CLEANING METHOD

#29
20100038124
2010-02-18

Method for making embedded circuit structure

#30
20100035435
2010-02-11

Composition and method for improved adhesion of polymeric materials to copper alloy surfaces

#31
20100006328
2010-01-14

Multi-layer printed circuit board and method of manufacturing multi-layer printed circuit board

#32
20090321123
2009-12-31

METHOD FOR PRODUCING STRUCTURED ELECTRICALLY CONDUCTIVE SURFACES

#33
20090304911
2009-12-10

METHOD OF FORMING CIRCUITS ON CIRCUIT BOARD

#34
20090297802
2009-12-03

Process for making self-patterning substrates and the product thereof

#35
20090294294
2009-12-03

Acid-resistance promoting composition

#36
20090285976
2009-11-19

METHOD FOR PRODUCING ELECTRICALLY CONDUCTIVE SURFACES ON A SUPPORT

#37
20090242109
2009-10-01

Mechanical adhesion of copper metallization to dielectric with partially cured epoxy fillers

#38
20090200263
2009-08-13

Method for metallizing insulating substrates wherein the roughening and etching processes are controlled by means of gloss measurement

#39
20090196980
2009-08-06

Electrical device with teeth joining layers and method for making the same

#40
20090140199
2009-06-04

POLISHING COMPOUND AND POLISHING METHOD

#41
20090133910
2009-05-28

Production method of multilayer printed wiring board and multilayer printed wiring board

#42
20090057270
2009-03-05

Etching processing method

#43
20090008601
2009-01-08

Potassium monopersulfate solutions

#44
20090004403
2009-01-01

Method of Providing Patterned Embedded Conducive Layer Using Laser Aided Etching of Dielectric Build-Up Layer

#45
20080299402
2008-12-04

Polyimide film, polyimide metal laminate and process for producing the same

#46
20080292784
2008-11-27

Method for Metallizing Liquid Crystal and Polymer

#47
20080283282
2008-11-20

Multi-layer printed circuit board and method of manufacturing multi-layer printed circuit board

#48
20080264900
2008-10-30

Metal surface treatment composition

#49
20080241549
2008-10-02

Method for forming UV-patternable conductive polymer film

#50
20080187672
2008-08-07

Method and Composition for Improving Adhesion of Organic Polymer Coatings with Copper Surface

#51
20080132156
2008-06-05

POLISHING COMPOSITION AND POLISHING METHOD

#52
20080128909
2008-06-05

Interconnects with Direct Metalization and Conductive Polymer

#53
20080124258
2008-05-29

Regeneration process of alkaline permanganate etching solution and unit therefor

#54
20080008824
2008-01-10

Method for manufacturing printed circuit board using imprinting

#55
20080006605
2008-01-10

Method of manufacturing a porous resin substrate having perforations and method of making a porous resin substrate including perforations having electrically conductive wall faces

#56
20070298170
2007-12-27

Direct metallization of electrically non-conductive polyimide substrate surfaces

#57
20070278182
2007-12-06

Potassium monopersulfate solutions

#58
20070237969
2007-10-11

Surface-metallized polyimide material and method for manufacturing the same

#59
20070228333
2007-10-04

Adhesion promotion in printed circuit boards

#60
20070227625
2007-10-04

Adhesion promotion in printed circuit boards

#61
20070025091
2007-02-01

Printed wiring board

#62
20060283625
2006-12-21

Wiring board, method for manufacturing same, and semiconductor package

#63
20060226115
2006-10-12

Composition and method for preparing chemically-resistant roughened copper surfaces for bonding to substrates

#64
20060191869
2006-08-31

Method for roughening copper surfaces for bonding to substrates

#65
20060191708
2006-08-31

Multi-layer printed circuit board and method of manufacturing multi-layer printed circuit board

#66
20060147744
2006-07-06

Conductive metal plated polyimide substrate and process for manufacturing the same

#67
20060134914
2006-06-22

Flexible circuits and method of making same

#68
20060073315
2006-04-06

Metallized polyamideimide film for substrate and production method thereof

#69
20060073314
2006-04-06

Metallized polyimide film for substrate and production method thereof

#70
20060042954
2006-03-02

Method for plating resin material

#71
20060024974
2006-02-02

Surface treatment for oxidation removal in integrated circuit package assemblies

#72
20060003579
2006-01-05

Interconnects with direct metalization and conductive polymer

#73
20050261152
2005-11-24

Cleaning composition

#74
20050238811
2005-10-27

Composition and method for preparing chemically-resistant roughened copper surfaces for bonding to substrates

#75
20050236359
2005-10-27

Copper/copper alloy surface bonding promotor and its usage

#76
20050204638
2005-09-22

Polishing composition and polishing method

#77
20050199587
2005-09-15

Non-chrome plating on plastic

#78
20050195579
2005-09-08

Apparatus and method for improving AC coupling on circuit boards

#79
20050189136
2005-09-01

Method of manufacturing multi-layer printed circuit board

#80
20050175824
2005-08-11

Method for forming multilayer circuit structure and base having multilayer circuit structure

#81
20050170077
2005-08-04

Adhesion method

#82
20050153059
2005-07-14

Partial plating method, partially-plated resin base, method for manufacturing multilayered circuit board

#83
20050102831
2005-05-19

Process for manufacturing a wiring substrate

#84
20050098538
2005-05-12

Methods of cleaning copper surfaces in the manufacture of printed circuit boards

#85
20050011400
2005-01-20

Adhesion promotion in printed circuit boards