The importance of the thickness of thermal conductive ceramic sheet
The thickness of the heat-conducting ceramic chip is not only critical, but also critical.Thermal conductive ceramic chip as a page of raw materials, heat transfer coefficient is a crucial parameter values, the thermal conductivity of ceramic chip resistance decision immediately the ceramic plate heat transfer effect in the application of thermal conductivity, and thermal conductive ceramic chip thickness, are immediate harm to the thermal resistance of thermal conductive ceramic pieces, ceramic chip thickness of thermal conductivity is thicker, the heat transfer coefficient of thermal conductivity ceramic chip will be, the greater the heat transfer effects of relative is reduced.
Therefore, small series gives technical advice, the key to the thickness of thermal conductive ceramic sheet, thoroughly determine the heat transfer coefficient of thermal conductive ceramic sheet, thus jeopardizing the overall heat transfer effect of thermal conductive ceramic sheet.It is generally suggested that the thickness of thermal conductive ceramic sheet should be as thin as possible.
First, the heat conducting ceramic sheet thickness is different, the price is different
Because except associated with heat transfer effect, the thermal conductive ceramic chip thickness, is also closely related with the price of the thermal conductive ceramic pieces, ceramic chip thickness of thermal conductivity harm the heat transfer coefficient of thermal conductivity ceramic chip, is a difficult issue technical engineers, so the thermal conductivity of ceramic chip price, can say to purchase staff problems of mutual concern point, thermal conductivity ceramic chip thickness is thicker, but the higher the thermal conductivity of ceramic chip price, so at the time that the inquiry procurement can purchase needless to say, in accordance with the basic thickness to the price, even if just want to make an inquiry to purchase to do the reference, but different thermal conductive ceramic chip thickness, the price is of no practical value.
Influence of heat conducting ceramic sheet thickness
In addition to affecting price and thermal resistance, the thickness of heat-conducting ceramic sheet is immediately related to dimensional tolerance and gap of all designed products.Design should consider the gap of the specifications of the products, especially on PCB board is a PCB with N several different role at that time, a power supply chip lC or uneven often occurs, and each electronics original components or board size tolerance are distinct, the comprehensive factors of decision the thermal conductive ceramic chip thickness, the thickness of thoroughly is overall design decisions, a basic thickness can contain is not optional.
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