ClassID:

234746

H05K2203/0384 - CPC Classification

Classification description:

Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by; Metal processing Etch stop layer, i.e. a buried barrier layer for preventing etching of layers under the etch stop layer

Recent Application in this class:
#1
20260032815
2026-01-29

ULTRA-THIN COPPER FOIL WITH CARRIER FOIL AND METHOD FOR MANUFACTURING EMBEDDED SUBSTRATE BY USING SAME

#2
20250311107
2025-10-02

CIRCUIT BOARD, MANUFACTURING METHOD THEREOF, AND ELECTRONIC COMPONENT PACKAGE INCLUDING THE SAME

#3
20240226565
2024-07-11

MULTI-HUNDRED OR THOUSAND CHANNEL ELECTRODE ELECTROPHYSIOLOGICAL ARRAY AND FABRICATION METHOD

#4
20240206062
2024-06-20

ULTRA-THIN COPPER FOIL WITH CARRIER FOIL AND METHOD FOR MANUFACTURING EMBEDDED SUBSTRATE BY USING SAME

#5
20240131339
2024-04-25

MULTI-HUNDRED OR THOUSAND CHANNEL ELECTRODE ELECTROPHYSIOLOGICAL ARRAY AND FABRICATION METHOD

#6
20210127503
2021-04-29

Ultra-thin copper foil, ultra-thin copper foil with carrier, and method for manufacturing printed wiring board

#7
20200154578
2020-05-14

Circuit substrate

#8
20200045830
2020-02-06

Production method for multilayer wiring board

#9
20200045829
2020-02-06

Production method for multilayer wiring board

#10
20170125156
2017-05-04

Inductor bridge and electronic device

#11
20170042044
2017-02-09

Carrier-attached copper foil, laminate, method for producing printed wiring board, and method for producing electronic device

#12
20170034920
2017-02-02

Method for manufacturing circuit board and circuit board

#13
20170018440
2017-01-19

Robust multi-layer wiring elements and assemblies with embedded microelectronic elements

#14
20160249822
2016-09-01

Flexible conductive track arrangement and manufacturing method

#15
20160126010
2016-05-05

Flexible circuit assembly and method therof

#16
20160113125
2016-04-21

Manufacturing method of a rigid flex board module

#17
20160021759
2016-01-21

Printed wiring board and method for manufacturing the same

#18
20160021758
2016-01-21

Printed wiring board and method for manufacturing the same

#19
20150340151
2015-11-26

Inductor bridge and electronic device

#20
20150053463
2015-02-26

Rigid flex board module and the manufacturing method thereof

#21
20150014027
2015-01-15

Wiring board and method for manufacturing the same

#22
20140240934
2014-08-28

Multilayer wiring board for an electronic device

#23
20140185259
2014-07-03

Packaging substrate, method for manufacturing same, and chip packaging structure having same

#24
20140116757
2014-05-01

Chip support board structure

#25
20140115888
2014-05-01

Method of manufacturing a chip support board structure

#26
20140090879
2014-04-03

Embedded architecture using resin coated copper

#27
20130319738
2013-12-05

Multilayer electronic structure with through thickness coaxial structures

#28
20130286619
2013-10-31

Interconnection element with posts formed by plating

#29
20130154076
2013-06-20

Leadframe interposer over semiconductor die and TSV substrate for vertical electrical interconnect

#30
20120312588
2012-12-13

CIRCUIT BOARD

#31
20120174391
2012-07-12

Process for fabricating wiring board

#32
20120155038
2012-06-21

FLEXIBLE CIRCUIT BOARD AND MANUFACTURING METHOD THEREOF

#33
20120145666
2012-06-14

Method of manufacturing multilayer wiring substrate

#34
20120124830
2012-05-24

PROCESS FOR FABRICATING CIRCUIT BOARD

#35
20120088334
2012-04-12

Method for manufacturing semiconductor package

#36
20120061814
2012-03-15

Semiconductor device and method of forming leadframe interposer over semiconductor die and TSV substrate for vertical electrical interconnect

#37
20110252637
2011-10-20

Structure and method of making interconnect element, and multilayer wiring board including the interconnect element

#38
20110162203
2011-07-07

Method for manufacturing an integrated lead suspension

#39
20110136298
2011-06-09

Method of manufacturing a wiring board

#40
20110114373
2011-05-19

Circuit board and manufacturing method thereof

#41
20110057324
2011-03-10

Structure and method of making interconnect element having metal traces embedded in surface of dielectric

#42
20110026166
2011-02-03

Multi-layer ground plane structures for integrated lead suspensions

#43
20100242270
2010-09-30

Wiring circuit board, manufacturing method for the wiring circuit board, and circuit module

#44
20100193466
2010-08-05

METHOD OF MANUFACTURING CIRCUIT BOARD

#45
20100132876
2010-06-03

Manufacturing method of printed circuit board

#46
20100071944
2010-03-25

CHIP CAPACITOR EMBEDDED PWB

#47
20100065319
2010-03-18

Wiring board and process for fabricating the same

#48
20100018633
2010-01-28

Method of manufacturing printed circuit board

#49
20100002455
2010-01-07

Electronic Component Mounting Board and Method for Manufacturing Such Board

#50
20090321387
2009-12-31

Manufacturing method of printed circuit board

#51
20090315190
2009-12-24

Wiring board, semiconductor device using wiring board and their manufacturing methods

#52
20090314650
2009-12-24

PROCESS OF PACKAGE SUBSTRATE

#53
20090308527
2009-12-17

Method For Fabricating Circuit Trace On Core Board Having Buried Hole

#54
20090294401
2009-12-03

Method for fabricating a packaging substrate

#55
20090294160
2009-12-03

METHOD OF MAKING PRINTED WIRING BOARD AND ELECTRICALLY-CONDUCTIVE BINDER

#56
20090188706
2009-07-30

Interconnection element for electric circuits

#57
20090183901
2009-07-23

Wiring Boards and Processes for Manufacturing the Same

#58
20090169837
2009-07-02

Method of manufacturing a package substrate

#59
20090148594
2009-06-11

Interconnection element with plated posts formed on mandrel

#60
20090145645
2009-06-11

Method of fabricating an interconnection element having conductive posts

#61
20090145630
2009-06-11

Printed wiring board and method for manufacturing printed wiring board

#62
20090144972
2009-06-11

CIRCUIT BOARD AND PROCESS FOR FABRICATING THE SAME

#63
20090115047
2009-05-07

Robust multi-layer wiring elements and assemblies with embedded microelectronic elements

#64
20090084598
2009-04-02

Method of manufacturing coreless substrate

#65
20090084494
2009-04-02

Substrate manufacturing method

#66
20090071707
2009-03-19

Multilayer substrate with interconnection vias and method of manufacturing the same

#67
20090013525
2009-01-15

Manufacturing method for printed circuit board

#68
20090008141
2009-01-08

Connection board, and multi-layer wiring board, substrate for semiconductor package and semiconductor package using connection board, and manufacturing method thereof

#69
20090002964
2009-01-01

Multilayer wiring element having pin interface

#70
20080296254
2008-12-04

Multilayer wiring board for an electronic device

#71
20080289868
2008-11-27

CONNECTION BOARD, AND MULTI-LAYER WIRING BOARD, SUBSTRATE FOR SEMICONDUCTOR PACKAGE AND SEMICONDUCTOR PACKAGE USING CONNECTION BOARD, AND MANUFACTURING METHOD THEREOF

#72
20080251386
2008-10-16

Manufacturing method of non-etched circuit board

#73
20080136041
2008-06-12

Structure and method of making interconnect element having metal traces embedded in surface of dielectric

#74
20080128288
2008-06-05

Method of manufacturing a multi-layer wiring board using a metal member having a rough surface

#75
20080122079
2008-05-29

PACKAGE SUBSTRATE AND MANUFACTURING METHOD THEREOF

#76
20080110018
2008-05-15

Method for manufacturing multilayer wiring board

#77
20080106880
2008-05-08

Wiring board and method of manufacturing the same

#78
20080093108
2008-04-24

Layered metal structure for interconnect element

#79
20080092376
2008-04-24

Method for fabricating a printed circuit board

#80
20080075836
2008-03-27

Method for fabricating a flip chip substrate structure

#81
20080060838
2008-03-13

Flip chip substrate structure and the method for manufacturing the same

#82
20080052905
2008-03-06

Fabricating method for printed circuit board

#83
20080010819
2008-01-17

Connection board, and multi-layer wiring board, substrate for semiconductor package and semiconductor package using connection board, and manufacturing method thereof

#84
20070295606
2007-12-27

Manufacturing process of embedded type flexible or rigid printed circuit board

#85
20070289128
2007-12-20

Process for producing circuit board

#86
20070246744
2007-10-25

Coreless package substrate with conductive structures

#87
20070209199
2007-09-13

Methods of making microelectronic assemblies

#88
20070170598
2007-07-26

FLEXIBLE CIRCUIT BOARD, METHOD FOR MAKING THE SAME, FLEXIBLE MULTI-LAYER WIRING CIRCUIT BOARD, AND METHOD FOR MAKING THE SAME

#89
20070148941
2007-06-28

Microelectronic component with photo-imageable substrate

#90
20070141757
2007-06-21

Method of manufacturing flexible wiring substrate and method of manufacturing electronic component mounting structure

#91
20070130761
2007-06-14

Method of manufacturing printed circuit board having landless via hole

#92
20070121305
2007-05-31

Multilayer wiring board for an electronic device

#93
20070082501
2007-04-12

Integrated circuit support structures and their fabrication

#94
20070074902
2007-04-05

Printed-wiring board, multilayer printed-wiring board and manufacturing process therefor

#95
20070029204
2007-02-08

Manufacturing process of emboss type flexible or rigid printed circuit board

#96
20070001293
2007-01-04

Semiconductor assemblies including redistribution layers and packages and assemblies formed therefrom

#97
20060281278
2006-12-14

Integrated thin-film capacitor with etch-stop layer, process of making same, and packages containing same

#98
20060258139
2006-11-16

Manufacturing method for wiring circuit substrate

#99
20060226537
2006-10-12

Multilayer circuit board and method of manufacturing the same

#100
20060192287
2006-08-31

Interconnecting substrate and semiconductor device

#101
20060163329
2006-07-27

Multilayered metal laminate and process for producing the same

#102
20060162956
2006-07-27

Connection substrate, multi-layer wiring board using the connection substrate, substrate for semiconductor package, and methods for manufacturing them

#103
20060079127
2006-04-13

Structure and method of making interconnect element, and multilayer wiring board including the interconnect element

#104
20060057341
2006-03-16

Multilayer substrate and manufacturing method thereof

#105
20060049509
2006-03-09

Printed wiring board

#106
20060046350
2006-03-02

Methods for fabrication of thin semiconductor assemblies including redistribution layers and packages and assemblies formed thereby

#107
20060011382
2006-01-19

Method of manufacturing a wiring board

#108
20050269206
2005-12-08

Production method of wiring substrate having ultra-fine pattern, and wiring substrate

#109
20050224256
2005-10-13

Interlayer member used for producing multilayer wiring board and method of producing the same

#110
20050193555
2005-09-08

Multilayer printed wiring board and method of manufacturing the same

#111
20050186713
2005-08-25

Multi-layer flexible printed circuit board and manufacturing method thereof

#112
20050176161
2005-08-11

Circuit board integrated optical coupling elements

#113
20050167794
2005-08-04

Semiconductor device and method of manufacturing same

#114
20050161804
2005-07-28

Connecting member between wiring films, manufacturing method thereof, and manufacturing method of multilayer wiring substrate

#115
20050153483
2005-07-14

Carrier, method of manufacturing a carrier and an electronic device

#116
20050097727
2005-05-12

Multi-layer wiring board, method for producing multi-layer wiring board, polishing machine for multi-layer wiring board, and metal sheet for producing wiring board

#117
20050017271
2005-01-27

Multilayered substrate for semiconductor device and method of manufacturing same

#118
20050000729
2005-01-06

Multilayer wiring board for an electronic device