HUT51660A - Retouching of printed-circuit boards - Google Patents

Retouching of printed-circuit boards

Info

Publication number
HUT51660A
HUT51660A HU490688A HU490688A HUT51660A HU T51660 A HUT51660 A HU T51660A HU 490688 A HU490688 A HU 490688A HU 490688 A HU490688 A HU 490688A HU T51660 A HUT51660 A HU T51660A
Authority
HU
Hungary
Prior art keywords
retouching
printed
circuit boards
acid
boards
Prior art date
Application number
HU490688A
Other languages
Hungarian (hu)
Other versions
HU204871B (en
Inventor
Arpad Reiter
Original Assignee
Arpad Reiter
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 Arpad Reiter filed Critical Arpad Reiter
Priority to HU490688A priority Critical patent/HU204871B/en
Publication of HUT51660A publication Critical patent/HUT51660A/en
Publication of HU204871B publication Critical patent/HU204871B/en

Links

Landscapes

  • Paints Or Removers (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)

Abstract

In order to prevent point, or under-rim etching, the following compsn is used to retouch printered circuit-boards, 20-70 % organic\ Binders, 0.1-3 % dye acid/or 1-30 % pigment acid opt 1 - 80 % solvent.
HU490688A 1988-09-20 1988-09-20 Composition for retouching printed circuit sheets before etching HU204871B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
HU490688A HU204871B (en) 1988-09-20 1988-09-20 Composition for retouching printed circuit sheets before etching

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU490688A HU204871B (en) 1988-09-20 1988-09-20 Composition for retouching printed circuit sheets before etching

Publications (2)

Publication Number Publication Date
HUT51660A true HUT51660A (en) 1990-05-28
HU204871B HU204871B (en) 1992-02-28

Family

ID=10969224

Family Applications (1)

Application Number Title Priority Date Filing Date
HU490688A HU204871B (en) 1988-09-20 1988-09-20 Composition for retouching printed circuit sheets before etching

Country Status (1)

Country Link
HU (1) HU204871B (en)

Also Published As

Publication number Publication date
HU204871B (en) 1992-02-28

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Legal Events

Date Code Title Description
HMM4 Cancellation of final prot. due to non-payment of fee