WAFER-SCALE DIRECT BONDED ARRAY CORE BLOCK FOR AN ACTIVE ELECTRONICALLY STEERABLE ARRAY (AESA)
An Array Core Block for an AESA includes a stack of 2*M alternating N-channel RFIC and MMIC Power Amplifier wafers bonded together by a wafer-scale direct bond hybrid (DBH) interconnect process. This process forms both metal-to-metal and dielectric hydrogen bonds between bonding surfaces to seal the...
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