B23H1/028 - CPC Classification Index

ClassID:

42656 ⎘

B23H1/028 - CPC Classification

Classification description:

Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric; Electric circuits specially adapted therefor, e.g. power supply, control, preventing short circuits or other abnormal discharges for multiple gap machining

Recent Application in this class:

20240326145

2024-10-03

Multiwire electric discharge machine, multiwire electric discharge machining method, and semiconductor wafer manufacturing method

20210178500

2021-06-17

Control device and recording medium encoded with program

20210101216

2021-04-08

Electrical discharge machining electrodes and associated methods

20210039181

2021-02-11

Electric discharge machining unit of electric discharge machining apparatus

20200198037

2020-06-25

Wire electrical discharge machine and control method of wire electrical discharge machine

20200023449

2020-01-23

Electrical discharge machining apparatus

20190388989

2019-12-26

Electric discharge machining apparatus

20190388988

2019-12-26

Electric discharge machining apparatus

20190143431

2019-05-16

Tool electrode for and methods of electrical discharge machining

#10

20180264573

2018-09-20

Non-contact wire array tension control device

#11

20180236579

2018-08-23

System and methods for electric discharge machining

#12

20180229320

2018-08-16

Wire electrical discharge machining apparatus and method of manufacturing semiconductor wafer

#13

20180229319

2018-08-16

System and methods of multiple electrode electric discharge machining

#14

20180214962

2018-08-02

Wire electrical discharge machine

#15

20180056421

2018-03-01

Wire electrical discharge machine

#16

20180043447

2018-02-15

METHOD FOR OPERATING AN ELECTRICAL MACHINE AND ELECTRICAL MACHINE

#17

20170229357

2017-08-10

Method and system of surface polishing

#18

20170203376

2017-07-20

Electrical discharge machining apparatus

#19

20170087655

2017-03-30

DEVICE AND METHOD FOR MULTICHANNEL EDM

#20

20170072488

2017-03-16

Electrical discharge machining system having independent electrodes, related control system and method

#21

20170072487

2017-03-16

Electrical discharge machining system having independent electrodes

#22

20160354851

2016-12-08

ELECTRIC DISCHARGE MACHINING APPARATUS, ELECTRIC DISCHARGE MACHINING METHOD, AND SEMICONDUCTOR SUBSTRATE MANUFACTURING METHOD

#23

20160346854

2016-12-01

ELECTRIC DISCHARGE MACHINING DIE SINKING DEVICE AND RELATED METHOD OF OPERATION

#24

20160059338

2016-03-03

Wire electric discharge machining apparatus and manufacturing method for thin plate and manufacturing method for semiconductor wafer using wire electric discharge machining apparatus

#25

20150314384

2015-11-05

Power supply unit and multi-wire electrical discharge machining apparatus

#26

20150293521

2015-10-15

Electro discharge machining system with batch processing of holes and manufacturing method therefor

#27

20150231719

2015-08-20

Wire discharge-machining apparatus with parallel cutting wires

#28

20150075558

2015-03-19

Method and system of surface polishing

#29

20150053650

2015-02-26

WIRE DISCHARGE MACHINING APPARATUS AND MANUFACTURING METHOD FOR SEMICONDUCTOR WAFERS USING THE SAME

#30

20150001182

2015-01-01

Wire electrical discharge machining apparatus, wire electrical discharge machining system, power supply apparatus, wire electrical discharge machining method, and method of manufacturing semiconductor substrate

#31

20140332503

2014-11-13

Wire electric-discharge machining device, wire electric-discharge machining method, thin-plate manufacturing method, and semiconductor wafer manufacturing method

#32

20140131318

2014-05-15

Electric discharge machining die sinking device and related method of operation

#33

20130341305

2013-12-26

Wire electrical discharge machining apparatus, wire electrical discharge machining method, and work

#34

20130284983

2013-10-31

Wire electrical discharge machining system, wire electrical discharge machining method, and workpiece

#35

20130240487

2013-09-19

Wire-cut electrical discharge machining apparatus and semiconductor wafer manufacturing method

#36

20130228553

2013-09-05

Multi-wire electrical discharge machining system, multi-wire electrical discharge machining apparatus, power supply device, multi-wire electrical discharge machining method, semiconductor substrate, solar cell substrate, substrate manufacturing system, and substrate manufacturing method

#37

20130140277

2013-06-06

Wire electric discharge machining apparatus, wire electric discharge machining method, thin plate manufacturing method, and semiconductor wafer manufacturing method

#38