GB1360169A - Method of electrophoretically covering heater wi es - Google Patents

Method of electrophoretically covering heater wi es

Info

Publication number
GB1360169A
GB1360169A GB3863072A GB3863072A GB1360169A GB 1360169 A GB1360169 A GB 1360169A GB 3863072 A GB3863072 A GB 3863072A GB 3863072 A GB3863072 A GB 3863072A GB 1360169 A GB1360169 A GB 1360169A
Authority
GB
United Kingdom
Prior art keywords
wire
electro
suspension
phoresis
aug
Prior art date
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.)
Expired
Application number
GB3863072A
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated Industries Ltd
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.)
Filing date
Publication date
Application filed by Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1360169A publication Critical patent/GB1360169A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/12—Electrophoretic coating characterised by the process characterised by the article coated
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Resistance Heating (AREA)
  • Branch Pipes, Bends, And The Like (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

1360169 Electro-phoretic coating PHILIPS ELECTRONIC & ASSOCIATED INDUSTRIES Ltd 18 Aug 1972 [18 Aug 1971] 38630/72 Heading C7B A helically wound heater wire for an indirectly heated cathode is covered with an insulating layer to a given distance from the ends of the wire, e.g. to enable its bare ends to be welded to current supply wires, by clamping the ends of the wire 1 in a holder 2, immersing the wire to the desired depth A-A in an electro-phoresis suspension 4 while applying an ana-phoretic potential between the wire and an electrode, e.g. a container 3 for the suspension, until the liquid in capillary spaces in the heater wire has reached its highest position, and then applying an electro-phoresis potential between the wire and electrode e.g. by changing switch 6. The suspension may be alumina suspended in methanol to which is added copper nitrate and colophonium solutions.
GB3863072A 1971-08-18 1972-08-18 Method of electrophoretically covering heater wi es Expired GB1360169A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7111360A NL7111360A (en) 1971-08-18 1971-08-18

Publications (1)

Publication Number Publication Date
GB1360169A true GB1360169A (en) 1974-07-17

Family

ID=19813833

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3863072A Expired GB1360169A (en) 1971-08-18 1972-08-18 Method of electrophoretically covering heater wi es

Country Status (7)

Country Link
US (1) US3794593A (en)
JP (1) JPS5420827B2 (en)
CA (1) CA977713A (en)
DE (1) DE2237318C3 (en)
FR (1) FR2149561B1 (en)
GB (1) GB1360169A (en)
NL (1) NL7111360A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104008940A (en) * 2014-04-28 2014-08-27 安徽华东光电技术研究所 Method for performing electrophoresis on X-band space traveling-wave tube cathode filament

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3630224C2 (en) * 1986-09-05 1994-01-05 Nokia Deutschland Gmbh Process for the production of oxide cathode wires by cataphoretic coating
US7252749B2 (en) * 2001-11-30 2007-08-07 The University Of North Carolina At Chapel Hill Deposition method for nanostructure materials

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104008940A (en) * 2014-04-28 2014-08-27 安徽华东光电技术研究所 Method for performing electrophoresis on X-band space traveling-wave tube cathode filament
CN104008940B (en) * 2014-04-28 2016-04-27 安徽华东光电技术研究所 A kind of X-band space travelling wave tube cathode filament electrophoresis method

Also Published As

Publication number Publication date
FR2149561A1 (en) 1973-03-30
DE2237318C3 (en) 1979-04-05
JPS5420827B2 (en) 1979-07-25
JPS4830363A (en) 1973-04-21
FR2149561B1 (en) 1976-10-29
US3794593A (en) 1974-02-26
NL7111360A (en) 1973-02-20
CA977713A (en) 1975-11-11
DE2237318B2 (en) 1978-08-03
DE2237318A1 (en) 1973-02-22

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee