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Drawbacks and disadvantages of Insulated Metal Substrateinsulated metal substrate PCBs

IMS, Insulated Metal Substratemetal substrate (IMS) PCBs, with variants and names including Aluminiumaluminium base, MCPCBmetal clad printed circuit board (Metal Clad Printed Circuit BoardMCPCB) and Thermally Conductivethermally conductive PCBs have some sought-after features in terms of heat conduction and mechanical stability. However, whatWhat I'm looking for are lesser known drawbacks. To start off, I'd mention the ones I already know:

  • Costly.
  • In basic configuration only suitable for single sided SMT.
  • Even more costly and complex if more than one layer is needed.
  • Mechanical disadvantages in some settings including vibrations.
  • In basic configuration usually have quite thick copper: 3oz, although thinner copper is possible.

Drawbacks and disadvantages of Insulated Metal Substrate PCBs

IMS, Insulated Metal Substrate PCBs, with variants and names including Aluminium base, MCPCB (Metal Clad Printed Circuit Board) and Thermally Conductive PCBs have some sought-after features in terms of heat conduction and mechanical stability. However, what I'm looking for are lesser known drawbacks. To start off, I'd mention the ones I already know:

  • Costly.
  • In basic configuration only suitable for single sided SMT.
  • Even more costly and complex if more than one layer is needed.
  • Mechanical disadvantages in some settings including vibrations.
  • In basic configuration usually have quite thick copper: 3oz, although thinner copper is possible.

Drawbacks and disadvantages of insulated metal substrate PCBs

Insulated metal substrate (IMS) PCBs, with variants and names including aluminium base, metal clad printed circuit board (MCPCB) and thermally conductive PCBs have some sought-after features in terms of heat conduction and mechanical stability. What I'm looking for are lesser known drawbacks. To start off, I'd mention the ones I already know:

  • Costly.
  • In basic configuration only suitable for single sided SMT.
  • Even more costly and complex if more than one layer is needed.
  • Mechanical disadvantages in some settings including vibrations.
  • In basic configuration usually have quite thick copper: 3oz, although thinner copper is possible.
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Drawbacks and disadvantages of Insulated Metal Substrate PCBs

IMS, Insulated Metal Substrate PCBs, with variants and names including Aluminium base, MCPCB (Metal Clad Printed Circuit Board) and Thermally Conductive PCBs have some sought-after features in terms of heat conduction and mechanical stability. However, what I'm looking for are lesser known drawbacks. To start off, I'd mention the ones I already know:

  • Costly.
  • In basic configuration only suitable for single sided SMT.
  • Even more costly and complex if more than one layer is needed.
  • Mechanical disadvantages in some settings including vibrations.
  • In basic configuration usually have quite thick copper: 3oz, although thinner copper is possible.