GB1472524A - Oxidation of chromium surfaces - Google Patents

Oxidation of chromium surfaces

Info

Publication number
GB1472524A
GB1472524A GB259176A GB259176A GB1472524A GB 1472524 A GB1472524 A GB 1472524A GB 259176 A GB259176 A GB 259176A GB 259176 A GB259176 A GB 259176A GB 1472524 A GB1472524 A GB 1472524A
Authority
GB
United Kingdom
Prior art keywords
solution
permanganate
basic
film
chromium
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
GB259176A
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of GB1472524A publication Critical patent/GB1472524A/en
Expired 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
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C22/00—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C22/05—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions
    • C23C22/60—Chemical surface treatment of metallic material by reaction of the surface with a reactive liquid, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using aqueous solutions using alkaline aqueous solutions with pH greater than 8
    • C23C22/64—Treatment of refractory metals or alloys based thereon

Landscapes

  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Chemical Treatment Of Metals (AREA)
  • Preparing Plates And Mask In Photomechanical Process (AREA)
GB259176A 1975-03-24 1976-01-23 Oxidation of chromium surfaces Expired GB1472524A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/561,260 US3963528A (en) 1975-03-24 1975-03-24 Oxidation of chromium surfaces

Publications (1)

Publication Number Publication Date
GB1472524A true GB1472524A (en) 1977-05-04

Family

ID=24241256

Family Applications (1)

Application Number Title Priority Date Filing Date
GB259176A Expired GB1472524A (en) 1975-03-24 1976-01-23 Oxidation of chromium surfaces

Country Status (5)

Country Link
US (1) US3963528A (enExample)
JP (1) JPS5836674B2 (enExample)
DE (1) DE2558913A1 (enExample)
FR (1) FR2305508A1 (enExample)
GB (1) GB1472524A (enExample)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54147141A (en) * 1978-05-11 1979-11-17 Nippon Shii Bii Kemikaru Kk Metal surface treatment chemicals and treatment using same
JP2006283785A (ja) * 2005-03-31 2006-10-19 Nabtesco Corp 油圧回路およびその弁装置
DE102009046878A1 (de) * 2009-07-31 2011-02-03 Advanced Mask Technology Center Gmbh & Co. Kg Verringerung der lonenwanderung von Absorbermaterialien von Lithographiemasken durch Chrompassivierung
JP5976335B2 (ja) * 2012-02-17 2016-08-23 三菱重工業株式会社 構造物の表面処理方法
EP3299497A1 (en) 2016-09-27 2018-03-28 ATOTECH Deutschland GmbH Method for treatment of a chromium surface

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2317205A (en) * 1943-04-20 Method of working metals
US2219554A (en) * 1938-11-23 1940-10-29 Allegheny Ludlum Steel Coloration of stainless steel
DE722364C (de) * 1939-06-25 1942-07-08 Ig Farbenindustrie Ag Verfahren zur Dauerpassivierung von Chrom
US2312066A (en) * 1939-11-30 1943-02-23 Batcheller Clements Method of coloring stainless steel
US2890974A (en) * 1957-12-02 1959-06-16 Fairchild Engine & Airplane Passivation of stainless steel alloys
US3698928A (en) * 1967-11-14 1972-10-17 Fairchild Camera Instr Co Multilayer antireflective absorption film

Also Published As

Publication number Publication date
FR2305508A1 (fr) 1976-10-22
JPS5836674B2 (ja) 1983-08-10
FR2305508B1 (enExample) 1978-05-19
US3963528A (en) 1976-06-15
JPS51119630A (en) 1976-10-20
DE2558913A1 (de) 1976-10-07

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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