What is the thermal sheet of SSD? what’s the effect?

What is the thermal sheet of SSD? what’s the effect?

Solid-state drives are referred to as SSD. SSD are hard drives made of solid-state electronic storage chip arrays. They are composed of control units and storage units. The specifications and definitions of interfaces, functions and usage methods of solid-state drives are exactly the same as those of ordinary hard drives. The shape and size are also completely consistent with ordinary hard drives.

There are two types of storage media for solid-state drives: one is to use flash memory (FLASH chip) as a storage medium, and the other is to use DRAM as a storage medium, which is widely used in military, vehicle, industrial control, video surveillance, network monitoring, network Terminals, electric power, medical, aviation, navigation equipment and many other fields.

The role of solid-state drives is to quickly read and store data. After long-term operation, multiple NANDs in them will generate serious heat, and solid-state drives are small in size, and mainly dissipate heat through conduction. The principle is to quickly conduct the heat generated on the NAND to the casing through the thermal interface material, and then quickly dissipate heat through the casing, which is why the casings of many solid-state drives are made of metal. This thermal interface material is the thermally conductive silicone sheet for solid-state drives that we are going to introduce today.

As the name suggests, the thermally conductive silicone sheet for solid-state drives is the thermally conductive silicone sheet used in solid-state drives. The thermally conductive silicone sheet for solid-state drives is based on silica gel, adding various auxiliary materials such as metal oxides, and is synthesized through a special process. In order to make use of the design scheme of heat transfer through gaps, it can fill the gaps, complete the heat transfer between the heat-generating parts and the heat-dissipating parts, and also play the functions of insulation, shock absorption, sealing, etc., which can meet the design requirements of miniaturization and ultra-thinning of equipment. , is very manufacturable and usable, and has a wide range of thicknesses, an excellent thermal conductive filling material.

The role of solid-state hard disk thermal pad

  1. The thermal conductive silicone sheet of the solid-state hard disk plays a role in heat conduction, forming a good thermal conduction path between the heating body and the heat sink, forming a heat dissipation module together with the heat sink, structural fixing parts (fan), etc.;
  2. The main purpose of the solid-state hard disk thermal conductive silicone sheet is to reduce the contact thermal resistance between the surface of the heat source and the contact surface of the heat sink;
  3. The thermal conductive silicone sheet of the solid-state hard disk can well fill the gap of the contact surface and squeeze the air out of the contact surface. The air is a poor conductor of heat, which will seriously hinder the transfer of heat between the contact surfaces; in the heat dissipation structure of the solid-state hard disk, With the addition of thermally conductive silicone sheets, the contact surfaces can be better and fully contacted, and face-to-face contact can be truly achieved, and the temperature response can be as small as possible.

Solid state hard disk thermal conductive silicone sheet is a high thermal conductivity, high insulation, anti-EMI thermal interface material. The thermal conductivity of the thermal conductive silicone sheet for solid-state drives is 1.0~10W/M.K, the thickness is 0.3~3.0mm, the operating temperature is -50~200 °C, and the breakdown voltage is greater than 10KV. It has both strength and high compressibility. It can be used as a vibration absorber. It has high reliability and easy construction. The controlled low-penetration oil is suitable for high-efficiency and high-heating equipment.

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