can some one please give me the answer with some kind of proof instead off i think its brass or plated or gold etc thanks
What are sim cards made off apart from the plastic obviously the metal contacts?
Sim cards are plastic. The contacts are gold plated metal (probably tin) wires from the contacts are bonded onto metalised contacts on the silicon substrate of a LSI chip.
The chip is predominately silicon with some added impurities (arsenic, phosphorus, silicon dioxide etc) which are diffused / implanted to form the electronic circuit.
Reply:ok - how many times did you post this Q???
sorry cant help
Reply:A small pc board and LSI chip
shoe lasts components
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