Multilayer graphite temperature equalizing plate and preparation method thereof
The technology of a temperature uniformity plate and a graphite plate is applied in the field of multi-layer graphite uniformity temperature plate and its preparation, and achieves the effects of increasing the thermal conductivity section, not easy to delaminate, and improving the thermal conductivity efficiency.
Pending Publication Date: 2019-05-31
GUANGDONG SUQUN NEW MATERIAL CO LTD
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Problems solved by technology
[0005] In order to solve the above technical problems, the present invention provides a multi-layer graphite vapor chamber and its preparation method, which improves the effective heat conduction cross-section, has higher heat conduction efficiency, and is less prone to delamination during use
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[0021] In order to further understand the features, technical means, and specific objectives and functions achieved by the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0022] as attached figure 1 and 2 As shown, the present invention discloses a method for preparing a multilayer graphite vapor chamber, comprising the following steps:
[0023] According to the preset shape and thickness, select a number of high thermal conductivity graphite sheets 2 of the corresponding shape and stack them together to form a multi-layer graphite plate, which is clamped by the clamp, placed on the punching device, and the multi-layer graphite plate is impacted by the punching device Drilling to form several through holes 5 . Usually, 2 to 50 high thermal conductivity graphite sheets are selected to be stacked together to form a whole. There is no need to add additional glue or other...
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Abstract
The invention discloses a multilayer graphite temperature equalizing plate and a preparation method thereof. The method includes the steps: selecting a plurality of high-heat-conduction graphite flakes with corresponding shapes according to the preset shapes and thicknesses, overlaying the graphite flakes together to form a multilayer graphite plate, clamping the graphite plate by a fixture, and placing the graphite plate on a drilling device to performing impact drilling in the graphite plate by the drilling device to form a plurality of through holes; placing the multilayer graphite plate into a deposition device, taking a high-molecular material as a sedimentary medium to perform chemical vapor deposition, enabling the high-molecular material to penetrate the through holes to form insulating high-molecular bonding layers in the through holes, enabling two ends of each high-molecular bonding layer to form anchor points at openings of the corresponding hole, bonding a plurality of high-heat-conduction graphite flakes together, performing deposition on the surface of the surface of the multilayer graphite plate to generate an insulating high-molecular film layer to prepare the multilayer graphite temperature equalizing plate. According to the plate, effective heat conduction section is improved, heat conduction efficiency is higher, and layering cannot be easily generated in the use process.
Description
technical field [0001] The invention belongs to the technical field of heat conduction plates or temperature equalization plates, in particular to a multilayer graphite equal temperature plate and a preparation method thereof. Background technique [0002] Graphite heat conduction plate has excellent thermal conductivity, and its heat conduction speed is very fast, and it has the characteristics of high heat flux. At the same time, the graphite heat conduction plate also has electrical conductivity. Therefore, in order to ensure insulation during application, the graphite heat conduction plate needs to be insulated. At present, the heat dissipation of electronic products such as mobile phones and tablet computers uses graphite heat conduction plates and heat dissipation copper pipes. [0003] A single graphite heat conduction sheet is usually very thin. In order to meet the thermal conductivity, it is usually necessary to combine multiple graphite heat conduction sheets to ...
Claims
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Login to View More IPC IPC(8): B32B3/26B32B7/12B32B9/00B32B33/00
Inventor 任泽永任泽明熊婷
Owner GUANGDONG SUQUN NEW MATERIAL CO LTD