The present invention relates to a method for manufacturing a printed circuit board including a flame retardant insulation layer. The garment provides openings at predetermined areas of the material to allow a user to be comfortably positioned and provide medical practitioners with access to the body while keeping the user at a desired temperature. Each memory bank includes a plurality of normal memory cells, which are arranged according to a row and column structure, and at least one redundancy memory cell to replace defective memory cells.