JPS6479388A - Method for removing coating metal from metal oxide base material - Google Patents

Method for removing coating metal from metal oxide base material

Info

Publication number
JPS6479388A
JPS6479388A JP23461287A JP23461287A JPS6479388A JP S6479388 A JPS6479388 A JP S6479388A JP 23461287 A JP23461287 A JP 23461287A JP 23461287 A JP23461287 A JP 23461287A JP S6479388 A JPS6479388 A JP S6479388A
Authority
JP
Japan
Prior art keywords
metal
base material
oxide base
metal oxide
removing coating
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.)
Pending
Application number
JP23461287A
Other languages
Japanese (ja)
Inventor
Toru Shoji
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.)
Tanaka Kikinzoku Kogyo KK
Original Assignee
Tanaka Kikinzoku Kogyo KK
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 Tanaka Kikinzoku Kogyo KK filed Critical Tanaka Kikinzoku Kogyo KK
Priority to JP23461287A priority Critical patent/JPS6479388A/en
Publication of JPS6479388A publication Critical patent/JPS6479388A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • C23F1/10—Etching compositions
    • C23F1/12—Gaseous compositions

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • ing And Chemical Polishing (AREA)

Abstract

PURPOSE:To efficiently remove a coating metal from the metal oxide base material by feeding gas of bromine or iodine under heating to volatilize and remove the coating metal as bromide or iodide. CONSTITUTION:Halogen gas of bromine or iodine is prepd. A material obtd. by coating the metal oxide base material with a metal is heated to 200-1,500 deg.C. The halogen gas is fed to the heated material to volatilize and remove the coating metal as halide.
JP23461287A 1987-09-18 1987-09-18 Method for removing coating metal from metal oxide base material Pending JPS6479388A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP23461287A JPS6479388A (en) 1987-09-18 1987-09-18 Method for removing coating metal from metal oxide base material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23461287A JPS6479388A (en) 1987-09-18 1987-09-18 Method for removing coating metal from metal oxide base material

Publications (1)

Publication Number Publication Date
JPS6479388A true JPS6479388A (en) 1989-03-24

Family

ID=16973772

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23461287A Pending JPS6479388A (en) 1987-09-18 1987-09-18 Method for removing coating metal from metal oxide base material

Country Status (1)

Country Link
JP (1) JPS6479388A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05171471A (en) * 1991-12-17 1993-07-09 Nec Corp Method for etching substance containing 3d transition metal

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49390A (en) * 1972-04-15 1974-01-05

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49390A (en) * 1972-04-15 1974-01-05

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05171471A (en) * 1991-12-17 1993-07-09 Nec Corp Method for etching substance containing 3d transition metal

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