Solder Masks

What is it?
Solder mask or solder stop mask is a thin lacquer like layer of polymer that is applied to the copper traces of a circuit board for protection against oxidisation and to prevent solder bridges from forming between closely spaced solder pads.

What different types are there?
Top- and Bottom-side Masks A topside solder mask allows the electronic engineer to identify the openings in the green solder mask layer already added to the PCB by one of the epoxy, ink or film techniques. Component pins can then be soldered onto the board using those identified places

Epoxy Liquid Silkscreened onto the PCB pattern, epoxy liquid is the lowest cost type of solder mask. Epoxy is a thermosetting polymer that has many applications.

Liquid photoimageable solder mask is delivered as an ink formulation. The ink can be silkscreened or sprayed onto the PCB, then exposed to the pattern and developed.

Dry film photoimageable solder mask is applied using vacuum lamination, then exposed and developed. After developing, openings are created in the pattern and parts can be soldered to the copper pads. Copper is layered onto the board inside the holes and on the trace areas using electrochemical processing.

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RS Stock No. 561-549
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.292959
Brand :Multicore
THB833.55
Each
Units
Yes - 250ml Bottle
RS Stock No. 277-8222
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CM8E
Brand :Chemtronics
THB479.66
Each
Units
Yes Yes 236ml Bottle
RS Stock No. 891-8814
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.2211-8SQ
Brand :Techspray
THB407.92
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- - 227g Bottle
RS Stock No. 547-348
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.PM21 - FLACON DE 250CC
Brand :MBO
THB641.75
Each
Units
- Yes 250cm³ Bottle
RS Stock No. 891-8817
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.2211-G
Brand :Techspray
THB1,994.87
Each
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- - 3.8L Container
RS Stock No. 508-6403
หมายเลขชิ้นส่วนของผู้ผลิต / Mfr. Part No.CLF8E
Brand :Chemtronics
THB556.84
Each
Units
Yes Yes 250ml Bottle
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