In order to reduce weight and have high-density electronic devices, this module uses the latest technologies such as low-temperature cofired ceramic substrate (LTCC), Monolithic Microwave Integrated Chip (MMIC), and the MIC assembly process, and is hermetically sealed. Kyocera develops LTCC substrates for optical communication devices utilizing Si photonics technology. ※COSA: Coherent Optical Sub Assembly Click here for. LTCC stands for Low Temperature Co-Fired Ceramics. These are also known as Glass Ceramics, because glass is mixed into the material. LTCC allow the use of low electrical resistance metals (such as copper) as conductors, since LTCC are co-fired under lower temperatures than other ceramics. As a. Infrared camera picture and diagram of a printed thick film heater on ALN simulating an assembled laser diode which is cooled by the active cooling structure at 20 °C and 23 °C fluid temperature and 0. 3 bar fluid pressure at 12 W power (green arrow). Cross-sectional views of the conductors depict shapes that are not rectangular, but shapes with thicker mid-sections and tapered edges.
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