GB1426643A - Copper etching process - Google Patents

Copper etching process

Info

Publication number
GB1426643A
GB1426643A GB638673A GB638673A GB1426643A GB 1426643 A GB1426643 A GB 1426643A GB 638673 A GB638673 A GB 638673A GB 638673 A GB638673 A GB 638673A GB 1426643 A GB1426643 A GB 1426643A
Authority
GB
United Kingdom
Prior art keywords
copper
chloride
ions
ammonium
etchant
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
GB638673A
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.)
Shipley Co Inc
Original Assignee
Shipley Co Inc
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 Shipley Co Inc filed Critical Shipley Co Inc
Publication of GB1426643A publication Critical patent/GB1426643A/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
    • 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
    • C23F1/46—Regeneration of etching 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)
  • Removal Of Specific Substances (AREA)
GB638673A 1972-02-09 1973-02-09 Copper etching process Expired GB1426643A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22484972A 1972-02-09 1972-02-09

Publications (1)

Publication Number Publication Date
GB1426643A true GB1426643A (en) 1976-03-03

Family

ID=22842494

Family Applications (1)

Application Number Title Priority Date Filing Date
GB638673A Expired GB1426643A (en) 1972-02-09 1973-02-09 Copper etching process

Country Status (5)

Country Link
JP (1) JPS4896429A (enrdf_load_stackoverflow)
CA (1) CA989283A (enrdf_load_stackoverflow)
DE (1) DE2306445A1 (enrdf_load_stackoverflow)
FR (1) FR2171286B1 (enrdf_load_stackoverflow)
GB (1) GB1426643A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114561669A (zh) * 2022-03-03 2022-05-31 无锡中天固废处置有限公司 一种酸性含铜含铵蚀刻废液回收利用的方法

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3999564A (en) * 1976-01-09 1976-12-28 Pesek Engineering & Mfg. Co. Continuous etching and etched material recovery system
DE3308849A1 (de) * 1983-03-12 1984-09-13 Didier Werke Ag Verfahren zur aufbereitung von metallhaltigen aetzloesungen und zur rueckgewinnung des metalls
CN111809184B (zh) * 2020-07-15 2022-03-04 深圳市祺鑫环保科技有限公司 再生子液回用方法
CN114369831B (zh) * 2021-12-27 2024-05-07 广东臻鼎环境科技有限公司 一种可循环再生硝酸型退锡废液用添加剂及其应用

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114561669A (zh) * 2022-03-03 2022-05-31 无锡中天固废处置有限公司 一种酸性含铜含铵蚀刻废液回收利用的方法
WO2023165021A1 (zh) * 2022-03-03 2023-09-07 无锡中天固废处置有限公司 一种酸性含铜含铵蚀刻废液回收利用的方法

Also Published As

Publication number Publication date
DE2306445A1 (de) 1973-08-23
FR2171286B1 (enrdf_load_stackoverflow) 1976-11-05
JPS4896429A (enrdf_load_stackoverflow) 1973-12-10
CA989283A (en) 1976-05-18
FR2171286A1 (enrdf_load_stackoverflow) 1973-09-21

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee