Peelable mask is usually removed by hand or with tweezers. Resourceful engineers have come up with devices with rotating brushes and other creative methods, but there is no commercially available equipment
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Believe it or not, the way you hold the bottle can make a big difference on how easily the cured mask is removed. Many operators hold the bottle at a 90° angle as they drag the dispensing tip across
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If you think of spot mask as basically liquid masking tape, the application become more intuitive:
1) Apply the mask to the contact areas to protect. Allow mask to fully cure.
2) Apply the conformal
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Spot mask can be hand applied, dispensed with a pneumatic system, or stencil printed. To hand apply using a squeeze dispensing bottle:
1) hold the mask bottle upright, but at an angle (around 60°)
2)
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TraceTech No-clean Flux Pen is formulated to perform at the elevated temperatures of lead-free soldering but is also effective for tin-lead soldering as well.
It's designed with a low surface tension
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A common method of repairing a broken trace is to solder on a jumper, which is basically a wire bypass around the broken trace. This can be time-consuming and visually unappealing. Techspray offers TraceTech
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Techspray offers the TraceTech Conformal Coating Remover Pen that allows you to remove a tight area of coating around a repair area without affecting the rest of the PCB.
You first saturate the tip by
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In a production or repair environment where the flux is specified and can’t be changed, or when an aqueous flux is needed, you can add your own flux to this type of braid. Unfluxed wick will not
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Not always, but that depends on the design and end-use of the printed circuit board (PCB). Solder mask (also called resist and overcoat) is used to isolate conductive areas of the PCB by covering them
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