What material does the supporting plate of mobile phone leather case use?

What material does the supporting plate of mobile phone leather case use?

Mobile phone like Apple, Samsung Galaxy leather case support plate - milky white light glass epoxy sheet; 1mm fr4 epoxy sheet; Various sizes available. Automatically sleep and wake up function after installing magnets....

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Why do we use FR4 epoxy sheet for transformer framework ?

Why do we use FR4 epoxy sheet for transformer framework ?

FR-4 flame retardant epoxy resin fiberglass laminate sheet has high mechanical strength and its strength can be guaranteed;It has excellent electrical performance, which can meet the electrical performance requirements of transformers;...

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