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Cross-cut section of BGA mounted circuit. A ball grid array (BGA) is a type of surface-mount packaging (a chip carrier) used for integrated circuits. BGA packages are used to permanently mount devices such as microprocessors. A BGA can provide more interconnection pins than can be put on a dual in-line or flat package. The whole bottom surface ...
Good solder joints between BGA and PCB. Ball grid arrays (BGA) and chip scale packages (CSA) present special difficulties for testing and rework, as they have many small, closely spaced pads on their underside which are connected to matching pads on the PCB. Connecting pins are not accessible from the top for testing, and cannot be desoldered ...
Variation of WLCSP. Like a BGA package but with the interposer built directly atop the die and encapsulated alongside it. eWLB: Embedded wafer level ball grid array: Variation of WLCSP. MICRO SMD-Chip-size package (CSP) developed by National Semiconductor [21] COB: Chip on board: Bare die supplied without a package.
The underside of a FC-PGA package (The die is on the other side.) A flip-chip pin grid array (FC-PGA or FCPGA) is a form of pin grid array in which the die faces downwards on the top of the substrate with the back of the die exposed.
What Is A Celery Rib? A celery rib is one of the individual stems that make up the larger bunch of celery, or "stalk." In botanical terms, a rib is a single segment of the plant, and in culinary ...
Flip chip packages often consist of a silicon die sitting on top of a "substrate" which then sits on top of a traditional PCB. The substrate can have a Ball Grid Array (BGA) on its underside. The substrate makes the connections to the die available for use by the PCB. [11]
A 15-year-old girl opened fire in the Abundant Life Christian School in Madison, Wisconsin, on Monday, killing a teacher and a student and wounding six others at the school she had attended ...
LGA 1700 socket on a motherboard. The land grid array (LGA) is a type of surface-mount packaging for integrated circuits (ICs) that is notable for having the pins on the socket (when a socket is used) — as opposed to pins on the integrated circuit, known as a pin grid array (PGA). [1]