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goon2019  
#1 Posted : Tuesday, January 19, 2021 11:07:34 AM(UTC)
goon2019

Rank: Advanced Member

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Joined: 5/8/2019(UTC)
Posts: 617

Isola 370HR PCB material recommendations

Isola 370HR PCB material needs to be selected carefully. This paper provides suggestions for selecting materials for multilayer PCBs that meet two key requirements: limiting manufacturing problems (e.g., bending or twisting and incorrect registration; and meeting performance standards). In order to successfully produce PCB, the correct material must be selected first.To get more news about Isola 370HR PCB, you can visit pcbmake official website.
When the number of PCB layers is small, PCB manufacturers’ default materials are usually reliable and cost-effective, so they are usually your best choice; however, when the design has special requirements or contains a large number of layers, it is worth the designer’s more efforts to familiarize themselves with the available material options in order to make the best decision for their products.

The most important material in PCB manufacturing is the original laminate. This also represents the maximum cost of all the other materials needed to produce multilayer PCB. The raw laminate has a crucial impact on the price and delivery time of PCB. Due to the amount of material required for PCB manufacturing, it is important to optimize the design size. Even small differences in size can lead to significant differences in cost. Different materials have different costs and different properties, but higher quality laminates are often more expensive.

TG = glass transition temperature – the temperature at which physical properties change significantly. For laminates, it changes from a hard glass like material to a soft rubber like material

Td = decomposition temperature – the temperature of chemical decomposition of the laminate

DK = dielectric constant (also known as ε r in Electromagnetics) – the meaning of a relative permittivity insulating material is its ability to store electrical energy in an electric field. For insulation purposes, materials with lower permittivity are better, and higher permittivity may be required in RF applications

DF = dissipation factor – the efficiency of an insulating material is expressed by showing the rate of energy loss of a vibration mode (e.g., mechanical, electrical, or electromechanical).
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