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Different types of PCB materials mean different results

source:Industry News release time:2022-11-14 Article author:yu Popular:pcb

  Different types of PCB materials mean different results(图1)

  The materials used for PCB may affect short-term and long-term performance, as well as the manufacturing capability of the contractor. Just like anything else, you'll get what you need in return. When you buy inferior materials and the contractor tries to make boards but they fail, you cannot blame the contractor.

  So, what do you use? The materials commonly used in PCB substrates range from FR-1 and G-10 to PTFE, alumina and Kapton. Laminates are made from CTE, PTFE, CEM and a variety of other compounds.

  When high performance is not the main PCB feature, light polyester and other materials may be a good choice. In this case, light polyester is chosen for at least two reasons, as long as it is used in combination with printed electronic (PE) technology.

  Advantages of PE and light polyester include:

  L Lower cost - lightweight polyester reduces waste, requires fewer treatment steps, and reduces the need for water treatment and filtration.

  L Versatility - Flexible printed circuits (FPC) can be used, but it is expensive to achieve the level of "bendability" that makes them so attractive. PE with lightweight polyester retains flexibility at a lower price.

  However, traditional PCB is still the first choice for high-performance applications, and which material should be used to decide which material to use in its creation process. For example, PCB:

  L Processing frequencies between 500MHz and 2GHz?

  L Bearing high power, so bearing high temperature?

  L Complex and "dense"?

  L Managing frequencies at microwave level or higher?

  The application of circuit boards largely determines which materials are used in the substrate and laminate.


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