B
B-stage The condition of resin polymer when it is more viscous, with higher molecular weight, and insoluble, but plastic and fusible.
B-stage material Sheet material impregnated with a resin cured to an intermediate stage. Also referred to as prepreg.
back bonding Bonding active chips to the substrate using the back of the chip, leaving the face with its circuitry face up. The opposite process is face down bonding.
backplanes and panels Interconnection panels into or onto which printed circuits, other panels, or integrated circuit packages can be plugged or mounted.
ball grid array (BGA) Integrated circuit package in which the input and output points are solder bumps arranged in a grid pattern. Also known as bumped grid array.
bare board ...
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