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What are the patch materials needed in SMT patch processing

  • Categories:FAQ
  • Author:SAJ
  • Origin:
  • Time of issue:2021-07-10
  • Views:0

(Summary description)There are two main types of patch materials in SMT patch processing. One is organic patch materials represented by metal-based patches; the other is inorganic patches represented by ceramic patches and ceramic shaft-coated copper patches. material. The following Sanjing introduces the performance characteristics and advantages of the two SMD materials.
1. Metal patch: use 0.3mm-2.0mm thick metal plate, such as aluminum plate, steel plate, copper plate, epoxy prepreg and copper foil. The metal plate can realize large-area patch processing, and has the following performance characteristics:
(1) Good mechanical properties: The metal-based patch has high mechanical strength and toughness, ...

What are the patch materials needed in SMT patch processing

(Summary description)There are two main types of patch materials in SMT patch processing. One is organic patch materials represented by metal-based patches; the other is inorganic patches represented by ceramic patches and ceramic shaft-coated copper patches. material. The following Sanjing introduces the performance characteristics and advantages of the two SMD materials.
1. Metal patch: use 0.3mm-2.0mm thick metal plate, such as aluminum plate, steel plate, copper plate, epoxy prepreg and copper foil. The metal plate can realize large-area patch processing, and has the following performance characteristics:
(1) Good mechanical properties: The metal-based patch has high mechanical strength and toughness, ...

  • Categories:FAQ
  • Author:SAJ
  • Origin:
  • Time of issue:2021-07-10
  • Views:0
Information

There are two main types of patch materials in SMT patch processing. One is organic patch materials represented by metal-based patches; the other is inorganic patches represented by ceramic patches and ceramic shaft-coated copper patches. material. The following Sanjing introduces the performance characteristics and advantages of the two SMD materials.

 

1. Metal patch: use 0.3mm-2.0mm thick metal plate, such as aluminum plate, steel plate, copper plate, epoxy prepreg and copper foil. The metal plate can realize large-area patch processing, and has the following performance characteristics:

 

(1) Good mechanical properties: The metal-based patch has high mechanical strength and toughness, which is better than rigid material patches, can be used for large-area patch processing, and can undertake the installation of overweight components. In addition, metal-based The patch also has high dimensional stability and flatness.

 

 

(2) Good heat dissipation performance: Since the metal patch is in direct contact with the prepreg, it has excellent heat dissipation performance. The metal patch is used for patch processing. The metal patch can play a role in heat dissipation during processing. The heat dissipation capacity depends on the material and thickness of the metal patch and the thickness of the resin layer. Of course, while considering heat dissipation performance, electrical performance, such as electrical strength, etc., should also be considered.

 

(3) Capable of shielding electromagnetic waves: In high-frequency electronic circuits, preventing the radiation of electromagnetic waves has always been a matter of concern to designers. The use of metal-based patches can act as a shielding plate to shield electromagnetic waves.

 

2. Electronic functional ceramic materials: Electronic functional ceramics are one of the basic materials of microelectronic devices, which have the following advantages:

 

(1) New packaging materials for large-scale integrated circuits and new high-performance insulating ceramics for high-frequency insulation.

 

(2) It can replace imported new microwave ceramics and dielectric ceramics and ferroelectric ceramics for ceramic capacitors.

 

(3) Special electronic ceramic materials and products for high-performance chip components for large-scale integrated circuits.

 

However, different electronic devices or different chip processing requirements have different selection of chip materials. Therefore, in the SMT patch processing link, the corresponding patch material should be selected according to the actual patch processing conditions.

 

Well, the above are the performance characteristics and advantages of the patch material in SMT patch processing, I hope it can be helpful to everyone!

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