DE3769537D1 - Verfahren zum aetzen von metallischen gegenstaenden aus zirkonium. - Google Patents
Verfahren zum aetzen von metallischen gegenstaenden aus zirkonium.Info
- Publication number
- DE3769537D1 DE3769537D1 DE8787306450T DE3769537T DE3769537D1 DE 3769537 D1 DE3769537 D1 DE 3769537D1 DE 8787306450 T DE8787306450 T DE 8787306450T DE 3769537 T DE3769537 T DE 3769537T DE 3769537 D1 DE3769537 D1 DE 3769537D1
- Authority
- DE
- Germany
- Prior art keywords
- items
- etching metal
- metal zirconium
- zirconium
- etching
- 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 - Fee Related
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
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
-
- 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
- C23F1/14—Aqueous compositions
- C23F1/16—Acidic compositions
- C23F1/26—Acidic compositions for etching refractory metals
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)
- Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/888,293 US4738747A (en) | 1986-07-22 | 1986-07-22 | Process for etching zirconium metallic objects |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3769537D1 true DE3769537D1 (de) | 1991-05-29 |
Family
ID=25392927
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8787306450T Expired - Fee Related DE3769537D1 (de) | 1986-07-22 | 1987-07-21 | Verfahren zum aetzen von metallischen gegenstaenden aus zirkonium. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4738747A (de) |
EP (1) | EP0254539B1 (de) |
JP (1) | JPH0814030B2 (de) |
KR (1) | KR910002955B1 (de) |
DE (1) | DE3769537D1 (de) |
ES (1) | ES2021716B3 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0305943B1 (de) * | 1987-08-31 | 1993-10-20 | Westinghouse Electric Corporation | Ätzverfahren für Metallgegenstände aus Zirkonium |
FR2656005B1 (fr) * | 1989-12-20 | 1992-02-21 | Cezus Co Europ Zirconium | Procede d'obtention d'une tole en alliage de zr comportant une portion en surepaisseur et son utilisation. |
US5076884A (en) * | 1990-07-19 | 1991-12-31 | Westinghouse Electric Corp. | Process of precipitating zirconium or hafnium from spent pickling solutions |
US5082523A (en) * | 1990-11-19 | 1992-01-21 | Westinghouse Electric Corp. | Process of regenerating spent HF-HNO3 pickle acid containing (ZrF6-2 |
US6248704B1 (en) | 1999-05-03 | 2001-06-19 | Ekc Technology, Inc. | Compositions for cleaning organic and plasma etched residues for semiconductors devices |
US6542828B2 (en) * | 2001-01-30 | 2003-04-01 | General Electric Company | Method for determining the quantities of acids or bases in complex compositions |
JP4010819B2 (ja) * | 2002-02-04 | 2007-11-21 | Necエレクトロニクス株式会社 | 半導体装置の製造方法 |
CN103668205B (zh) * | 2013-12-04 | 2018-06-22 | 湖南理工学院 | 一种显示Zr-Al-Ni-Cu非晶合金内部微观结构的腐蚀液 |
CN109060857B (zh) * | 2018-05-23 | 2021-01-26 | 中国科学院金属研究所 | 一种锆合金第二相腐蚀剂及腐蚀方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3125474A (en) * | 1964-03-17 | Pickling zirconium and zirconium base alloys | ||
US3048503A (en) * | 1958-06-19 | 1962-08-07 | Crucible Steel Co America | Pickling apparatus and method |
US3933544A (en) * | 1971-03-08 | 1976-01-20 | Firma Hans Hollmuller, Maschinenbau | Method of etching copper and copper alloys |
US4105469A (en) * | 1977-02-11 | 1978-08-08 | Teledyne Industries, Inc. | Process for regenerating a pickle acid bath |
DE2828547C2 (de) * | 1978-06-29 | 1982-12-23 | Didier-Werke Ag, 6200 Wiesbaden | Verfahren zur Steuerung oder Regelung der Beizbadzusammensetzung einer Beizanlage |
-
1986
- 1986-07-22 US US06/888,293 patent/US4738747A/en not_active Expired - Lifetime
-
1987
- 1987-07-21 EP EP87306450A patent/EP0254539B1/de not_active Expired - Lifetime
- 1987-07-21 ES ES87306450T patent/ES2021716B3/es not_active Expired - Lifetime
- 1987-07-21 JP JP62182116A patent/JPH0814030B2/ja not_active Expired - Lifetime
- 1987-07-21 DE DE8787306450T patent/DE3769537D1/de not_active Expired - Fee Related
- 1987-07-22 KR KR1019870007955A patent/KR910002955B1/ko not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
JPH0814030B2 (ja) | 1996-02-14 |
ES2021716B3 (es) | 1991-11-16 |
KR910002955B1 (ko) | 1991-05-11 |
JPS63186884A (ja) | 1988-08-02 |
EP0254539A1 (de) | 1988-01-27 |
US4738747A (en) | 1988-04-19 |
KR880001845A (ko) | 1988-04-27 |
EP0254539B1 (de) | 1991-04-24 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |