What stackup to use for your signal layers for ceramic pcb?

It is not always immediately clear which conductor or surface finish you should choose for your project, because not everything is always compatible. As we know this can cause difficulties. We have defined 4 questions to make this process easier.
– Do you need 2 or more layers?
– Is your operating temperature 300°C or higher?
– Will you be using gold wire bonding?
– Are ferromagnetic materials allowed?
After correctly answering these questions and following the flowchart below, you always have 1 or more options that you can choose.