TW583342B - Method for recovering cerium from chromium etchant - Google Patents

Method for recovering cerium from chromium etchant Download PDF

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Publication number
TW583342B
TW583342B TW91119760A TW91119760A TW583342B TW 583342 B TW583342 B TW 583342B TW 91119760 A TW91119760 A TW 91119760A TW 91119760 A TW91119760 A TW 91119760A TW 583342 B TW583342 B TW 583342B
Authority
TW
Taiwan
Prior art keywords
chromium
cerium
organic acid
valence
valenced
Prior art date
Application number
TW91119760A
Other languages
English (en)
Chinese (zh)
Inventor
Ryuichi Saito
Original Assignee
Hayashi Pure Chemical Ind 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 Hayashi Pure Chemical Ind Ltd filed Critical Hayashi Pure Chemical Ind Ltd
Application granted granted Critical
Publication of TW583342B publication Critical patent/TW583342B/zh

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Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

Landscapes

  • Manufacture And Refinement Of Metals (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
TW91119760A 2002-07-16 2002-08-30 Method for recovering cerium from chromium etchant TW583342B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002207360A JP3749204B2 (ja) 2002-07-16 2002-07-16 クロムエッチング液からのセリウムの回収方法

Publications (1)

Publication Number Publication Date
TW583342B true TW583342B (en) 2004-04-11

Family

ID=31931846

Family Applications (1)

Application Number Title Priority Date Filing Date
TW91119760A TW583342B (en) 2002-07-16 2002-08-30 Method for recovering cerium from chromium etchant

Country Status (2)

Country Link
JP (1) JP3749204B2 (ja)
TW (1) TW583342B (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100431113C (zh) * 2005-01-07 2008-11-05 友达光电股份有限公司 蚀刻液回收***与方法
US10959589B2 (en) 2016-05-09 2021-03-30 Lg Electronics Inc. Cleaner holder
US11363928B2 (en) 2016-05-09 2022-06-21 Lg Electronics Inc. Cleaner holder
US11399676B2 (en) 2016-05-09 2022-08-02 Lg Electronics Inc. Cleaner holder

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6761255B2 (ja) * 2016-02-15 2020-09-23 関東化学株式会社 エッチング液およびエッチング液により加工されたフォトマスク

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100431113C (zh) * 2005-01-07 2008-11-05 友达光电股份有限公司 蚀刻液回收***与方法
US10959589B2 (en) 2016-05-09 2021-03-30 Lg Electronics Inc. Cleaner holder
US11363928B2 (en) 2016-05-09 2022-06-21 Lg Electronics Inc. Cleaner holder
US11399676B2 (en) 2016-05-09 2022-08-02 Lg Electronics Inc. Cleaner holder
US11839348B2 (en) 2016-05-09 2023-12-12 Lg Electronics Inc. Cleaner holder

Also Published As

Publication number Publication date
JP2004052006A (ja) 2004-02-19
JP3749204B2 (ja) 2006-02-22

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