LGA Package

 

 

At the bottom of the Rainbow™ Engine’s optical head, Optella uses an LGA (Land Grid Array) interface. This LGA interface consists of (1) fine pitch multiple lands for high-speed data of 28Gb/s (2) control signals (3) power supplies and (4) GND connecting with a customized functional circuit board such as an optical transceiver board, sub-system board, etc.

Optical and electrical devices are placed directly on top of the optical head. Due to this layered placement, the LGA interface has an advantage of low thermal resistance that offers effective thermal spread.

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