FR1044215A - Procédé électrolytique d'affûtage en pointe d'un fil et son application aux électrodes pointues - Google Patents

Procédé électrolytique d'affûtage en pointe d'un fil et son application aux électrodes pointues

Info

Publication number
FR1044215A
FR1044215A FR1044215DA FR1044215A FR 1044215 A FR1044215 A FR 1044215A FR 1044215D A FR1044215D A FR 1044215DA FR 1044215 A FR1044215 A FR 1044215A
Authority
FR
France
Prior art keywords
sharpening
wire
point
application
electrolytic process
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
Other languages
English (en)
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.)
Koninklijke Philips NV
Original Assignee
Philips Gloeilampenfabrieken NV
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 Gloeilampenfabrieken NV filed Critical Philips Gloeilampenfabrieken NV
Application granted granted Critical
Publication of FR1044215A publication Critical patent/FR1044215A/fr
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
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F1/00—Etching metallic material by chemical means
    • C23F1/02—Local etching
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Computer Hardware Design (AREA)
  • General Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • Electrochemistry (AREA)
  • Electrodes For Compound Or Non-Metal Manufacture (AREA)
  • Cold Cathode And The Manufacture (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
FR1044215D 1950-10-28 1951-10-26 Procédé électrolytique d'affûtage en pointe d'un fil et son application aux électrodes pointues Expired FR1044215A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL305128X 1950-10-28

Publications (1)

Publication Number Publication Date
FR1044215A true FR1044215A (fr) 1953-11-16

Family

ID=19783462

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1044215D Expired FR1044215A (fr) 1950-10-28 1951-10-26 Procédé électrolytique d'affûtage en pointe d'un fil et son application aux électrodes pointues

Country Status (7)

Country Link
US (1) US2721838A (fr)
BE (1) BE506706A (fr)
CH (1) CH305128A (fr)
DE (1) DE936585C (fr)
FR (1) FR1044215A (fr)
GB (1) GB701474A (fr)
NL (1) NL73679C (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2773024A (en) * 1954-04-08 1956-12-04 United States Steel Corp Method for electrolytically pointing wire
NL294698A (fr) * 1962-06-29
US3524803A (en) * 1968-05-13 1970-08-18 Us Army Method of electrolytically etching field filamentary material to make emitters
US5865978A (en) * 1997-05-09 1999-02-02 Cohen; Adam E. Near-field photolithographic masks and photolithography; nanoscale patterning techniques; apparatus and method therefor
US6386959B2 (en) 1999-01-13 2002-05-14 Micro Contacts Inc. Feeding system for electro-chemically polishing contact tips

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB322118A (en) * 1928-06-05 1929-12-05 Sherard Osborn Cowper Coles An improved process and apparatus for the electrolytic removal of metal from metallic bodies
BE373635A (fr) * 1929-09-23
US2434286A (en) * 1943-08-12 1948-01-13 Bell Telephone Labor Inc Method of forming a point at the end of a wire
US2545866A (en) * 1946-11-15 1951-03-20 Aluminum Co Of America Boron-containing aluminum wire and method of its production
US2628936A (en) * 1949-05-06 1953-02-17 Bell Telephone Labor Inc Method of forming a point at the end of a wire

Also Published As

Publication number Publication date
US2721838A (en) 1955-10-25
DE936585C (de) 1955-12-15
CH305128A (de) 1955-02-15
BE506706A (fr)
NL73679C (fr)
GB701474A (en) 1953-12-23

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