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How to unlock IC that the model number does not show on cap

How to unlock IC that the model does not on cap We’ve received the IC unlock questions from a lot of customers that if the IC model has been grind off,  is the IC still unlockable ? The answer is yes.  But how to unlock the IC if it’s model does not show on its cap? We could diagnose the IC model from the surrounding circuit design. If it’s not identifiable,  we will open the IC cover to check the wafer of the IC, Read more…

China Custom Tax Duty for PCB & IC Sample

China Custom Tax Duty for PCB & IC Samples IMPORTANT NOTICE IMPORTANT: PCB samples are sensitive goods through China Custom. PCB samples sending with commercial purpose may be requested to provide official Custom Clearance Document or full import documents with import license. Tax Duty may be payable to China Custom or clients’ country. Before sending samples out, please kindly be advised that Fast PCB Studio is not responsible for Custom duty payable to both outgoing and inbounding nations.   There are some suggestions Read more…

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