Why does exposed copper need covering?

Because bare copper shorts against its neighbours and corrodes. Scraping mask away to reach a trace is necessary, but leaving it bare turns a good repair into a fault that surfaces weeks later.

A UV lamp, usually in seconds. It will not set under normal bench lighting, which is what gives you time to place it accurately.

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MIJING Hisilicon Series Green Oil UV Stencil

Name: MIJING Hisilicon Series Green Oil UV Stencil
Brand: Mijing
SKU: MJ-STC-HISILI
Price: 1000 PKR
Availability: InStock

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MIJING Hisilicon Series Green Oil UV Stencil.

Rs 1,000

MIJING Hisilicon Series Green Oil UV Stencil. A green-oil stencil lets you reapply solder mask over a repaired area in the right shape rather than by eye. That…

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MIJING Hisilicon Series Green Oil UV Stencil.

A green-oil stencil lets you reapply solder mask over a repaired area in the right shape rather than by eye. That matters where the mask has to clear specific pads — freehand application covers pads you needed to keep exposed.

Key features

Reapplies solder mask in the correct shape
Keeps pads clear that must stay exposed
For board repair finishing

What this is used for

Insulating a repaired trace
Covering exposed copper after scraping
Securing a jumper wire in place

Who it's for

Micro-soldering technicians finishing trace repairs properly.

Manufacturer description

MIJING Hisilicon Series Green Oil UV Stencil. A green-oil stencil lets you reapply solder mask over a repaired area in the right shape rather than by eye. That matters where the mask has to clear specific pads — freehand application covers pads you needed to keep exposed. • Reapplies solder mask in the correct shape • Keeps pads clear that must stay exposed • For board repair finishing Compatible with: Phone logic board repair areas.