YU180090A - RADIATING POLYMERIZABLE MIXTURE AND PROCESS FOR MAKING A SOLDERING COVER MASK - Google Patents
RADIATING POLYMERIZABLE MIXTURE AND PROCESS FOR MAKING A SOLDERING COVER MASKInfo
- Publication number
- YU180090A YU180090A YU180090A YU180090A YU180090A YU 180090 A YU180090 A YU 180090A YU 180090 A YU180090 A YU 180090A YU 180090 A YU180090 A YU 180090A YU 180090 A YU180090 A YU 180090A
- Authority
- YU
- Yugoslavia
- Prior art keywords
- mixture
- making
- soldering
- radiating
- cover mask
- Prior art date
Links
Landscapes
- Non-Metallic Protective Coatings For Printed Circuits (AREA)
Abstract
ZMES, KI SE DA POLIMERIZIRATI S SEVANJEM, IN POSTOPEK ZA IZDELAVO SPAJKALNE KRITNE MASKE. Opisana je zmes, ki se da polimerizirati s sevanjem, ki vsebuje polimerizabilno spojino, polimerno vezivo, ki vsebuje enote metakrilne kisline, estra metakrilne kisline, in stirola zadnja dva v deležu od 40 do 65 mas.%, mineralni pigment v obliki finih delcev na kremenični oz.silikatni osnovi, fotopolimerizacijski iniciator, spojino z najmanj dvema epoksi skupinama v molekuli in termično trdilo za epoksi skupine. Zmes je primerna zlasti za izdelavo spajkalnih kritnih mask in jo lahko po slikovno ustrezni osvetljitvi in razvijanju s segrevanjem na 80 do 150В° C strdimo v šablono, ki je rezistentna v pogojih spajkanja.RADIATION POLYMERIZABLE MIXTURE AND PROCEDURE FOR MAKING SOLDERING COVER MASK. Describes a mixture that can be polymerized by radiation, containing a polymerizable compound, a polymeric binder containing units of methacrylic acid, methacrylic acid ester, and styrene, the latter two in a proportion of 40 to 65% by weight, a mineral pigment in the form of fine particles per a silica or silicate base, a photopolymerization initiator, a compound with at least two epoxy groups in the molecule and a thermal hardener for epoxy groups. The mixture is particularly suitable for the production of solder cover masks and can be cured in a template that is resistant to soldering conditions after pictorially appropriate lighting and development by heating to 80 to 150 ° C.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE39314677 | 1989-09-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
YU180090A true YU180090A (en) | 1992-12-21 |
Family
ID=47278006
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
YU180090A YU180090A (en) | 1989-09-21 | 1990-09-21 | RADIATING POLYMERIZABLE MIXTURE AND PROCESS FOR MAKING A SOLDERING COVER MASK |
Country Status (1)
Country | Link |
---|---|
YU (1) | YU180090A (en) |
-
1990
- 1990-09-21 YU YU180090A patent/YU180090A/en unknown
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