ClassID:

234836

H05K2203/0789 - 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 Aqueous acid solution, e.g. for cleaning or etching

Recent Application in this class:
#1
20260122788
2026-04-30

HYBRID MOLD, METHOD FOR MANUFACTURING HYBRID MOLD, WIRING STRUCTURE, AND METHOD FOR MANUFACTURING WIRING STRUCTURE

#2
20250324516
2025-10-16

METHOD FOR CLEANING A NONCONDUCTIVE SURFACE AND USE

#3
20250227842
2025-07-10

GLASS SUBSTRATE, MULTILAYER WIRING SUBSTRATE, AND METHOD FOR PRODUCING GLASS SUBSTRATE

#4
20250227841
2025-07-10

GLASS SUBSTRATE, MULTILAYER WIRING SUBSTRATE, AND METHOD FOR PRODUCING GLASS SUBSTRATE

#5
20250178955
2025-06-05

GLASS CLOTH TREATMENT LIQUID AND SURFACE TREATED GLASS CLOTH

#6
20250048562
2025-02-06

WIRING SUBSTRATE

#7
20240251504
2024-07-25

CIRCUIT BOARD STRUCTURE AND MANUFACTURING METHOD THEREOF

#8
20230413449
2023-12-21

METHOD FOR FABRICATING ELECTRONIC CIRCUIT AND METAL ION SOLUTION

#9
20230209721
2023-06-29

PLATING METHOD AND METHOD OF MANUFACTURING PRINTED CIRCUIT BOARD

#10
20220132672
2022-04-28

SILVER-BASED TRANSPARENT CONDUCTIVE LAYERS INTERFACED WITH COPPER TRACES AND METHODS FOR FORMING THE STRUCTURES

#11
20210130970
2021-05-06

Single step electrolytic method of filling through holes in printed circuit boards and other substrates

#12
20200263308
2020-08-20

Microetching agent for copper, copper surface roughening method and wiring board production method

#13
20200170118
2020-05-28

Method for manufacturing ceramic circuit board

#14
20200163219
2020-05-21

Microcircuit forming method and etching fluid composition

#15
20200141010
2020-05-07

Microetchant for copper and method for producing wiring board

#16
20200031852
2020-01-30

Triazole silane compound, method for synthesizing said compound and use thereof

#17
20190364665
2019-11-28

SILVER-BASED TRANSPARENT CONDUCTIVE LAYERS INTERFACED WITH COPPER TRACES AND METHODS FOR FORMING THE STRUCTURES

#18
20190297729
2019-09-26

Flexible circuit electrode array and method of manufacturing the same

#19
20190292408
2019-09-26

CHEMICAL MECHANICAL POLISHING COMPOSITION AND METHOD OF MANUFACTURING CIRCUIT BOARD

#20
20190003062
2019-01-03

MICROETCHANT FOR COPPER AND METHOD FOR PRODUCING WIRING BOARD

#21
20190003061
2019-01-03

Etching solution for copper and copper alloy surfaces

#22
20180341346
2018-11-29

Patterning of a composition comprising silver nanowires

#23
20180153043
2018-05-31

Manufacturing method for printed circuit board

#24
20170260632
2017-09-14

Etchant, replenishment solution and method for forming copper wiring

#25
20160340788
2016-11-24

Microetching solution for copper, replenishment solution therefor and method for production of wiring board

#26
20160192503
2016-06-30

Method for producing ceramic circuit board

#27
20160162063
2016-06-09

Patterning of a composition comprising silver nanowires

#28
20160102408
2016-04-14

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

#29
20150307999
2015-10-29

Aqueous composition for etching of copper and copper alloys

#30
20150299626
2015-10-22

Cleaning solution, cleaning facility and method of cleaning mount substrate

#31
20150115196
2015-04-30

Microetching solution for copper, replenishment solution therefor and method for production of wiring board

#32
20150083602
2015-03-26

Method for manufacture of fine line circuitry

#33
20150072070
2015-03-12

Pretreatment agent for electroless plating, and pretreatment and production of printed wiring board using same

#34
20150062851
2015-03-05

Wiring board, semiconductor device, and method of manufacturing wiring board

#35
20140326696
2014-11-06

Microetching solution for copper, replenishment solution therefor and method for production of wiring board

#36
20140097013
2014-04-10

Wiring substrate and method for manufacturing wiring substrate

#37
20130319971
2013-12-05

Flexible circuit electrode array and method of manufacturing the same

#38
20130284066
2013-10-31

Metal surface treatment aqueous solution and method for inhibiting whiskers on a metal surface

#39
20120168201
2012-07-05

THIN METAL FILM ELECTRODE AND FABRICATING METHOD THEREOF

#40
20120082779
2012-04-05

Multilayer printed wiring board and method for manufacturing multilayer printed wiring board

#41
20110171367
2011-07-14

METHOD FOR IMPROVING THE CORROSION RESISTANCE OF AN ELECTRONIC COMPONENT, PARTICULARLY OF CONDUCTORS OF A PRINTED CIRCUIT BOARD

#42
20110135811
2011-06-09

SOLUTION FOR INHIBITING PALLADIUM ACTIVITY INCLUDING HALOGENIC ACID AND METHOD FOR PREVENTING DEFECT OF PLATING USING THEREOF

#43
20110120760
2011-05-26

ELECTROLESS COPPER PLATING METHOD, PRINTED WIRING BOARD, METHOD FOR PRODUCING THE SAME, AND SEMICONDUCTOR DEVICE

#44
20110039096
2011-02-17

Process to form highly conductive feature from silver nanoparticles with reduced processing temperature

#45
20100307801
2010-12-09

Multilayer ceramic substrate and manufacturing method thereof

#46
20100126758
2010-05-27

Multilayer printed wiring board and method for manufacturing multilayer printed wiring board

#47
20100116870
2010-05-13

Metal surface treatment aqueous solution and method for inhibiting whiskers on a metal surface

#48
20100101962
2010-04-29

Immersion method

#49
20100096168
2010-04-22

ELECTRIC CONTACT AND METHOD FOR PRODUCING THE SAME AND CONNECTOR USING THE ELECTRIC CONTACTS

#50
20100051173
2010-03-04

Manufacturing method of multi-layer ceramic substrate

#51
20090285976
2009-11-19

METHOD FOR PRODUCING ELECTRICALLY CONDUCTIVE SURFACES ON A SUPPORT

#52
20090120901
2009-05-14

PATTERNED ELECTRODES WITH REDUCED RESIDUE

#53
20080102294
2008-05-01

Electrically conductive paste and method of making the same

#54
20080035273
2008-02-14

System and method for decapsulating an encapsulated object

#55
20080026565
2008-01-31

Method of manufacturing a composite of copper and resin

#56
20080011981
2008-01-17

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

#57
20080000552
2008-01-03

Process for increasing the adhesion of a metal surface to a polymer

#58
20070068700
2007-03-29

Electric contact and method for producing the same and connector using the electric contacts

#59
20070025091
2007-02-01

Printed wiring board

#60
20060237097
2006-10-26

Immersion method

#61
20060185163
2006-08-24

Method of manufacturing wiring board

#62
20060147744
2006-07-06

Conductive metal plated polyimide substrate and process for manufacturing the same

#63
20060013947
2006-01-19

Method for manufacturing wiring board

#64
20050218110
2005-10-06

Method for manufacturing wiring substrate

#65
20050170077
2005-08-04

Adhesion method

#66
20050109734
2005-05-26

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

#67
20050011856
2005-01-20

Method for making a multilayer module with high-density printed circuits