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is there any reason on why laptop's backpanels are spraid with some sort of metalish colour?

12345678
By 12345678
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Posted

like here is there some sort of copperish spray colour

 

why is that? is there any function?

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Posted

Thermal transfer - I believe they do a small copper powder coating to help with cooling.

Planning on trying StarCitizen (Highly recommended)? STAR-NR5P-CJFR is my referal link 

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1 hour ago, Covelight said:

Also it provides shielding against radio inteferance

the copperish spray paint?

 

I mean the sheet metal maybe, but I don't see how a spray paint can do such job

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16 minutes ago, 12345678 said:

spray paint

It's not exactly paint, this is copper oxide coating. It's needed since puting just metal place would short a component if it bends (from a fall f.e.)

Futureproof your builds and try not to fry anything

 

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2 hours ago, 12345678 said:

the copperish spray paint?

 

I mean the sheet metal maybe, but I don't see how a spray paint can do such job

it really doesn't take much metal to make a surprising dent in EMI transmission.

A super thin layer makes a very notable difference, if you're using tools to measure it.  (And foil is thinner than you realize it is.)

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