GB454162A - Improvements in electrical etching - Google Patents

Improvements in electrical etching

Info

Publication number
GB454162A
GB454162A GB953535A GB953535A GB454162A GB 454162 A GB454162 A GB 454162A GB 953535 A GB953535 A GB 953535A GB 953535 A GB953535 A GB 953535A GB 454162 A GB454162 A GB 454162A
Authority
GB
United Kingdom
Prior art keywords
metal
graphite
binder
mixture
employed
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
GB953535A
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.)
British Insulated Cables Ltd
Original Assignee
British Insulated Cables 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 British Insulated Cables Ltd filed Critical British Insulated Cables Ltd
Priority to GB953535A priority Critical patent/GB454162A/en
Publication of GB454162A publication Critical patent/GB454162A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • C25F3/02—Etching
    • C25F3/14—Etching locally

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

A paint employed as a resist in electrolytic etching comprises a finely divided conductive material such as graphite or a metal such as zinc with a binder such as thick linseed oil or shellac dissolved in spirit; the binder should be about 10 per cent of the mixture. A mixture of graphite with metal may be employed, the metal preferably not being in excess; carbon black may be added.
GB953535A 1935-03-27 1935-03-27 Improvements in electrical etching Expired GB454162A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB953535A GB454162A (en) 1935-03-27 1935-03-27 Improvements in electrical etching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB953535A GB454162A (en) 1935-03-27 1935-03-27 Improvements in electrical etching

Publications (1)

Publication Number Publication Date
GB454162A true GB454162A (en) 1936-09-26

Family

ID=9873862

Family Applications (1)

Application Number Title Priority Date Filing Date
GB953535A Expired GB454162A (en) 1935-03-27 1935-03-27 Improvements in electrical etching

Country Status (1)

Country Link
GB (1) GB454162A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421607A (en) * 1942-04-03 1947-06-03 Harwood B Fowler Method of making metallic printing screens
DE1170746B (en) * 1960-02-04 1964-05-21 Siemens Ag Process for the partial electrolytic abrasion of metal oxide or metal layers of low electrical conductivity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2421607A (en) * 1942-04-03 1947-06-03 Harwood B Fowler Method of making metallic printing screens
DE1170746B (en) * 1960-02-04 1964-05-21 Siemens Ag Process for the partial electrolytic abrasion of metal oxide or metal layers of low electrical conductivity

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