A product warming apparatus with at least one product holding container having a bottom surface. The method comprises reacting a silicon containing compound with a fluorocarbon or fluorohydrocarbon compound having an unsaturated carbon bonded to F or H. One aspect of the present invention includes a method of requesting data from a host over a data bus. The encoded pattern may be decoded to reproduce encoded data. And when the noise has decreased to less than Level 1, the predetermined process is resumed in accordance with the information saved and protected on the register and memory.