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Use heat transfer pads correctly.

2021-09-25 02:06:27

Use heat transfer pads correctly.

Conductive gasket, also known as thermally conductive silicon film, is mainly used for the transfer interface between electronic equipment and heat sink or between product shells. It has good viscosity, flexibility, compressibility and excellent heat transfer performance. When in use, All the air between the electronic components and the heat sink can be exhausted to achieve sufficient contact, and the heat dissipation effect is significantly improved. The operation process of the thermal pad is relatively simple, but there are also several points that need to be noted. Carelessness may damage the heat dissipation function of the silicone sheet. Today's editor mainly talks about the correct use of thermal pads.


1. The contact between the electronic component and the thermal pad should be cleaned and cleaned to avoid stains on the surface of the electronic component. Any stain on the contact surface will deteriorate the self-adhesive and sealing thermal conductivity of the thermal pad.

2. When removing the thermal pad, the larger area of the thermal pad should be removed from the middle part, because if the large thermal pad is lifted from the edge, it is easy to receive uneven forces, which will cause the thermal pad to deform and affect subsequent operations. Even damage the silicone sheet. There is no requirement for small-area plates.

3. Holding the thermal pad in your left hand, tear off a layer of protective film with your right hand. In use, be careful not to tear off the two protective films at the same time, and minimize the number and area of direct contact with the thermal pad to keep the self-adhesive and thermal conductivity of the thermal pad from damage.

4. After tearing off the protective film, first turn the radiator toward the electronic component to be pasted, slowly put down the thermal pad, and then use the horizontal sheet to push from left to right to avoid air bubbles in the middle.

5. If bubbles appear during the working process, repeat the above steps with the thermal pad, or use a hard plastic sheet to gently wipe off the bubbles. Do not apply too much force to avoid damage to the thermal pad.

6. Tear off the other side of the protective film, and then align it on the radiator. When tearing off the protective film, the force should be small to avoid air bubbles.

After the thermal pad is tightly attached, apply a certain pressure to the radiator and store it for a period of time to ensure that the thermal pad is fixed.


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