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Early 2011 Model: A1278 / 2.3 GHz i5 or 2.7 GHz i7 processor

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What is the piece of glue on top of transistors?

While drying logic board in rice, I mistok a piece of glue on the logic board near the ethernet connector for a piece of rice, and removed it.

On pictures I now see it is intended to be there. It covered two small transistors(?) or units with blank surfaces.

The glue is semi-transparent, and was applied as a thick line above them.

Do anyone know what the purpose of this is, and the consequence of removing it? No apparent damage to the components.

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Powered up, and so far so good. Advice at electronics.stackexchange.com suggests its no big deal.

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Sometimes the humidity in the air is enough to alter the transistors function so many electronic device suppliers cover them (not just Apple). Often they use a light hot glue or silicon sealer that is fast setting (UV).

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