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In this paper, a novel termination (“match”) scheme is introduced with absorbing material for high-frequency measurements. Through the absorption of electromagnetic waves, absorbing material makes an equivalent absorbing boundary condition at the interface, which creates an equivalent termination condition. The absorbing termination can be used to facilitate on-demand match condition in high-frequency...
Currently thermo-compression bonding (TCB) of solder capped micro bumps is the industry standard for high bandwidth memory (HBM) packaging. However, the assembly complexity and high cost has limited its high volume adoption. In addition to assembly challenges, formation of a brittle intermetallic layer reduces electro migration resistance. Furthermore, the underfill between die nearly doubles the...
In this paper we developed the method of broadband Green's function with Low Frequency Extraction (BBGFL) for arbitrary shaped waveguide. To facilitate broadband modeling over a wide range of frequency, BBGFL consists of modal expansion of modes that are frequency independent. To accelerate convergence of the Green's function, low wavenumber extraction is performed by calculating the Green's function...
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