KR890003922A - Etching Solution - Google Patents

Etching Solution Download PDF

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Publication number
KR890003922A
KR890003922A KR870009612A KR870009612A KR890003922A KR 890003922 A KR890003922 A KR 890003922A KR 870009612 A KR870009612 A KR 870009612A KR 870009612 A KR870009612 A KR 870009612A KR 890003922 A KR890003922 A KR 890003922A
Authority
KR
South Korea
Prior art keywords
etching solution
cro
cio
note
mixing
Prior art date
Application number
KR870009612A
Other languages
Korean (ko)
Other versions
KR940001528B1 (en
Inventor
안형근
Original Assignee
최근선
주식회사 금성사
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 최근선, 주식회사 금성사 filed Critical 최근선
Priority to KR1019870009612A priority Critical patent/KR940001528B1/en
Publication of KR890003922A publication Critical patent/KR890003922A/en
Application granted granted Critical
Publication of KR940001528B1 publication Critical patent/KR940001528B1/en

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
    • C09K13/00—Etching, surface-brightening or pickling compositions
    • C09K13/04—Etching, surface-brightening or pickling compositions containing an inorganic acid
    • C09K13/06—Etching, surface-brightening or pickling compositions containing an inorganic acid with organic material

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  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Weting (AREA)
  • ing And Chemical Polishing (AREA)
  • Semiconductor Memories (AREA)

Abstract

내용 없음No content

Description

에칭용액Etching Solution

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음As this is a public information case, the full text was not included.

Claims (2)

CiO3와 HF, NH4OH, H2O를 혼합한 것을 특징으로 하는 에칭용액.An etching solution characterized by mixing CiO 3 with HF, NH 4 OH, and H 2 O. 제1항에 있어서, 상기 CrO3,HF,NH4OH,H2O가 약 100-500g:1.5ㅣ:0.75ㅣ:1ㅣ의 비율로 혼합된 것을 특징으로 하는 에칭용액The etching solution of claim 1, wherein the CrO 3 , HF, NH 4 OH, and H 2 O are mixed at a ratio of about 100-500 g: 1.5 ㅣ: 0.75 ㅣ: 1 ㅣ. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.※ Note: The disclosure is based on the initial application.
KR1019870009612A 1987-08-31 1987-08-31 Etching solution KR940001528B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019870009612A KR940001528B1 (en) 1987-08-31 1987-08-31 Etching solution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019870009612A KR940001528B1 (en) 1987-08-31 1987-08-31 Etching solution

Publications (2)

Publication Number Publication Date
KR890003922A true KR890003922A (en) 1989-04-18
KR940001528B1 KR940001528B1 (en) 1994-02-23

Family

ID=19264145

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019870009612A KR940001528B1 (en) 1987-08-31 1987-08-31 Etching solution

Country Status (1)

Country Link
KR (1) KR940001528B1 (en)

Also Published As

Publication number Publication date
KR940001528B1 (en) 1994-02-23

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