A MOLYBDENUM BACKING PLATE AND DOPED SILICON DISK WHICH ARE JOINED TOGETHER USING AN INDIUM SOLDER PROCESS. THIS PRODUCT IS USED EXCLUSIVELY IN THE MANUFACTURE OF CDS AND DVDS. IT IS PART OF A MACHINE WHICH DEPOSITS A THIN LAYER OF SILICON ONTO CDS AND DVDS. THE SILICON DISK IS A CONSUMABLE COMPONENT OF THIS MACHINE.

GIR'S 1 AND 6. TEXT TO HEADING 8479.