EP0993513A4 - Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device - Google Patents

Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device

Info

Publication number: EP0993513A4
Authority: EP; European Patent Office
Prior art keywords: electrochemistry; impedance; electron; emitting device; electrochemical technique
Prior art date: 1997-06-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP98931401A

Other languages

German (de)

French (fr)

Other versions

EP0993513B1 (en

EP0993513A1 (en

Inventor

N Johan Knall

John D Porter

Christopher J Spindt

Gabriela S Chakarova

Duane A Haven

John C Macaulay

Roger W Barton

Maria S Nikolova

Peter C Searson

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Canon Inc

Original Assignee

Candescent Technologies Inc

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1997-06-30

Filing date

1998-06-29

Publication date

2001-04-04

1997-06-30 Priority claimed from US08/884,701 external-priority patent/US6120674A/en

1997-06-30 Priority claimed from US08/884,700 external-priority patent/US5893967A/en

1998-06-29 Application filed by Candescent Technologies Inc filed Critical Candescent Technologies Inc

2000-04-19 Publication of EP0993513A1 publication Critical patent/EP0993513A1/en

2001-04-04 Publication of EP0993513A4 publication Critical patent/EP0993513A4/en

2009-01-07 Application granted granted Critical

2009-01-07 Publication of EP0993513B1 publication Critical patent/EP0993513B1/en

2018-06-29 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
- H01J9/02—Manufacture of electrodes or electrode systems
- H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
- H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25F—PROCESSES FOR THE ELECTROLYTIC REMOVAL OF MATERIALS FROM OBJECTS; APPARATUS THEREFOR
- C25F3/00—Electrolytic etching or polishing

Landscapes

Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Chemical Kinetics & Catalysis (AREA)
Electrochemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Manufacturing & Machinery (AREA)
Cold Cathode And The Manufacture (AREA)

EP98931401A 1997-06-30 1998-06-29 Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device Expired - Lifetime EP0993513B1 (en)

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US884701		1997-06-30
US884700		1997-06-30
US08/884,701 US6120674A (en)	1997-06-30	1997-06-30	Electrochemical removal of material in electron-emitting device
US08/884,700 US5893967A (en)	1996-03-05	1997-06-30	Impedance-assisted electrochemical removal of material, particularly excess emitter material in electron-emitting device
PCT/US1998/012801 WO1999000537A1 (en)	1997-06-30	1998-06-29	Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device

Publications (3)

Publication Number	Publication Date
EP0993513A1 EP0993513A1 (en)	2000-04-19
EP0993513A4 true EP0993513A4 (en)	2001-04-04
EP0993513B1 EP0993513B1 (en)	2009-01-07

Family

ID=27128732

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP98931401A Expired - Lifetime EP0993513B1 (en)	1997-06-30	1998-06-29	Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device

Country Status (4)

Country	Link
EP (1)	EP0993513B1 (en)
JP (1)	JP3648255B2 (en)
KR (1)	KR100621293B1 (en)
WO (1)	WO1999000537A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL1014727C2 (en) *	2000-03-23	2001-09-25	Univ Eindhoven Tech	A method for electrolytically polishing a metal in the presence of an electrolyte composition, as well as a molded article obtained by such a method.
JP4803998B2 (en) *	2004-12-08	2011-10-26	ソニー株式会社	Manufacturing method of field emission type electron-emitting device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0353099A (en) *	1989-07-19	1991-03-07	Matsushita Electric Ind Co Ltd	Method for processing ta base material
WO1995007543A1 (en) *	1993-09-08	1995-03-16	Silicon Video Corporation	Fabrication and structure of electron-emitting devices having high emitter packing density
WO1996006443A1 (en) *	1994-08-18	1996-02-29	Isis Innovation Limited	Field emitter structures
WO1997009730A2 (en) *	1995-08-24	1997-03-13	Fed Corporation	Pedestal edge emitter and non-linear current limiters for field emitter displays and other electron source applications
JPH10140400A (en) *	1996-11-13	1998-05-26	Ebara Yuujiraito Kk	Electrolytic solution for electrolytic stripping and electrolytic stripping method

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2928777A (en) *	1950-12-16	1960-03-15	Electro Process Inc	Electrolytic polishing of metals
US4385971A (en) *	1981-06-26	1983-05-31	Rca Corporation	Electrolytic etch for eliminating shorts and shunts in large area amorphous silicon solar cells
US4629539A (en) *	1982-07-08	1986-12-16	Tdk Corporation	Metal layer patterning method
US5766446A (en) *	1996-03-05	1998-06-16	Candescent Technologies Corporation	Electrochemical removal of material, particularly excess emitter material in electron-emitting device

1998
- 1998-06-29 WO PCT/US1998/012801 patent/WO1999000537A1/en not_active Ceased
- 1998-06-29 JP JP50561399A patent/JP3648255B2/en not_active Expired - Fee Related
- 1998-06-29 KR KR1019997012036A patent/KR100621293B1/en not_active Expired - Fee Related
- 1998-06-29 EP EP98931401A patent/EP0993513B1/en not_active Expired - Lifetime

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPH0353099A (en) *	1989-07-19	1991-03-07	Matsushita Electric Ind Co Ltd	Method for processing ta base material
WO1995007543A1 (en) *	1993-09-08	1995-03-16	Silicon Video Corporation	Fabrication and structure of electron-emitting devices having high emitter packing density
WO1996006443A1 (en) *	1994-08-18	1996-02-29	Isis Innovation Limited	Field emitter structures
WO1997009730A2 (en) *	1995-08-24	1997-03-13	Fed Corporation	Pedestal edge emitter and non-linear current limiters for field emitter displays and other electron source applications
JPH10140400A (en) *	1996-11-13	1998-05-26	Ebara Yuujiraito Kk	Electrolytic solution for electrolytic stripping and electrolytic stripping method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
CHEMICAL ABSTRACTS, vol. 129, no. 6, 10 August 1998, Columbus, Ohio, US; abstract no. 73363, KOBAYASHI, NOBUO ET AL: "Electrolytic bath and method for electrolytic peeling" XP002144728 *
DATABASE WPI Section Ch Week 199116, Derwent World Patents Index; Class E14, AN 1991-112827, XP002144729 *
See also references of WO9900537A1 *

Also Published As

Publication number	Publication date
EP0993513B1 (en)	2009-01-07
KR100621293B1 (en)	2006-09-13
WO1999000537A1 (en)	1999-01-07
KR20010014008A (en)	2001-02-26
JP3648255B2 (en)	2005-05-18
JP2001508834A (en)	2001-07-03
EP0993513A1 (en)	2000-04-19

Publication	Publication Date	Title
ZA975156B (en)	1997-12-15	Electrode material for rechargeable batteries and process for the preparation thereof.
AP9701162A0 (en)	1998-01-31	Electrochemical cell
GB2328588B (en)	1999-12-08	Apparatus and method for extending battery life
ZA971182B (en)	1997-08-27	Electrochemical cell.
AU6559698A (en)	1998-10-12	Method and apparatus for electrochemical delacquering and detinning
AU2090197A (en)	1997-10-10	Electrochemical device and electrolyte therefor
GB2317704B (en)	1999-01-20	Electrochemical cell
EP0993513A4 (en)	2001-04-04	Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device
GB9604273D0 (en)	1996-05-01	Material dosing method and apparatus
EP1027098A4 (en)	2001-03-28	Electrically activated substance and method for making the same
HK1028264A (en)	2001-02-09	Impedance-assisted electrochemical technique and electrochemistry for removing material, particularly excess emitter material in electron-emitting device
GB2312960B (en)	2000-07-19	Electrochemical process
GB9912041D0 (en)	1999-07-21	Electrodes for batteries and other electrochemical devices
EP1138637A4 (en)	2005-09-28	Electron-emitting device and electron-emitting electrode
GB2341491B (en)	2001-04-18	Improvements in contact electrodes
AU1651100A (en)	2000-05-22	Electrode used in electro-metallurgical processes
GB9822065D0 (en)	1998-12-02	Method and material
AU3034797A (en)	1998-01-07	Electrode and apparatus for performing electrochemical reactions
SG52961A1 (en)	1998-09-28	1,2-n-acyl-n-methylene-ethylenediamine and electroconductive paste comprising it
SG86325A1 (en)	2002-02-19	Method for preparing a cathode material and electrochemical cell having a cathode based on same
HUP9801053A3 (en)	1998-12-28	Electrochemical cell
GB9806822D0 (en)	1998-05-27	Method for discarding atm cells for use in an atm nic
ZA9810968B (en)	1999-06-01	An electrode frame
GB2341181B (en)	2000-06-07	Electrochemical process
PL322559A1 (en)	1999-04-12	Marking off and lofting assembly for use in automatic cutting-off machines

Legal Events

Date	Code	Title	Description
2000-03-03	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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2000-05-03	RIC1	Information provided on ipc code assigned before grant	Free format text: 7C 25D 5/02 A, 7C 25D 5/48 B, 7B 23H 3/00 B, 7H 01J 1/02 B, 7H 01J 1/62 B, 7B 44C 1/22 B, 7H 01J 9/02 B
2000-10-04	RIC1	Information provided on ipc code assigned before grant	Free format text: 7C 25D 5/02 A, 7C 25D 5/48 B, 7B 23H 3/00 B, 7H 01J 1/02 B, 7H 01J 1/62 B, 7B 44C 1/22 B, 7H 01J 9/02 B, 7C 25F 3/00 B, 7C 25F 5/00 B
2001-04-04	A4	Supplementary search report drawn up and despatched	Effective date: 20010216
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2002-01-16	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: CANDESCENT INTELLECTUAL PROPERTY SERVICES, INC.
2004-06-23	17Q	First examination report despatched	Effective date: 20040507
2007-05-02	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: CANON KABUSHIKI KAISHA
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