JPS6215238Y2 - - Google Patents

Info

Publication number
JPS6215238Y2
JPS6215238Y2 JP4448381U JP4448381U JPS6215238Y2 JP S6215238 Y2 JPS6215238 Y2 JP S6215238Y2 JP 4448381 U JP4448381 U JP 4448381U JP 4448381 U JP4448381 U JP 4448381U JP S6215238 Y2 JPS6215238 Y2 JP S6215238Y2
Authority
JP
Japan
Prior art keywords
surface layer
printed board
etching
spray nozzle
spray
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
JP4448381U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57159274U (enrdf_load_stackoverflow
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 filed Critical
Priority to JP4448381U priority Critical patent/JPS6215238Y2/ja
Publication of JPS57159274U publication Critical patent/JPS57159274U/ja
Application granted granted Critical
Publication of JPS6215238Y2 publication Critical patent/JPS6215238Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • ing And Chemical Polishing (AREA)
  • Manufacturing Of Printed Circuit Boards (AREA)
JP4448381U 1981-03-31 1981-03-31 Expired JPS6215238Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4448381U JPS6215238Y2 (enrdf_load_stackoverflow) 1981-03-31 1981-03-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4448381U JPS6215238Y2 (enrdf_load_stackoverflow) 1981-03-31 1981-03-31

Publications (2)

Publication Number Publication Date
JPS57159274U JPS57159274U (enrdf_load_stackoverflow) 1982-10-06
JPS6215238Y2 true JPS6215238Y2 (enrdf_load_stackoverflow) 1987-04-17

Family

ID=29841406

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4448381U Expired JPS6215238Y2 (enrdf_load_stackoverflow) 1981-03-31 1981-03-31

Country Status (1)

Country Link
JP (1) JPS6215238Y2 (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3885097D1 (de) * 1988-08-12 1993-11-25 Ibm Verfahren und Vorrichtung zum Ätzen eines zumindest Teilweise aus Metall bestehenden Ätzguts.

Also Published As

Publication number Publication date
JPS57159274U (enrdf_load_stackoverflow) 1982-10-06

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