Aluminum can be applied on the backside 96 of {TAIL ~ the silicon substrate} to form an electrical contact by any suitable process such as {HEAD ~ evaporation}, physical vapor deposition or chemical vapor deposition 
Aluminum can be applied on the backside 96 of { TAIL ~ the silicon substrate } to form an electrical contact by any suitable process such as { HEAD ~ evaporation } , physical vapor deposition or chemical vapor deposition
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