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Editing thruchip interface
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Under normal circumstances, chip designers try to avoid forming too much coupling between wires. TCI attempts to leverage this problem to form inductors which can then be used to communicate with a coil [[stacked dies|stacked]] above and below the current die. Communication can extend to a whole stack of dies. TCI relies on highly-advanced [[wafer thinning]] process capable of providing sub-10µm thick [[wafers]]. Because the diameter of the inductor is roughly three times the vertical communication distance, with [[ultra-thin wafers]] the inductors can shrink quietly substantially. It's worth noting that since TCI uses a magnetic field for communication, the coils can then be placed on some top layer (above logic, power rails, etc..) which will permeate through all the layers, including the silicon itself, without affecting the rest of the circuit. | Under normal circumstances, chip designers try to avoid forming too much coupling between wires. TCI attempts to leverage this problem to form inductors which can then be used to communicate with a coil [[stacked dies|stacked]] above and below the current die. Communication can extend to a whole stack of dies. TCI relies on highly-advanced [[wafer thinning]] process capable of providing sub-10µm thick [[wafers]]. Because the diameter of the inductor is roughly three times the vertical communication distance, with [[ultra-thin wafers]] the inductors can shrink quietly substantially. It's worth noting that since TCI uses a magnetic field for communication, the coils can then be placed on some top layer (above logic, power rails, etc..) which will permeate through all the layers, including the silicon itself, without affecting the rest of the circuit. | ||
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=== Comparison to TSV === | === Comparison to TSV === |