The embodiments of the present invention relate generally to the fabrication of integrated circuits, and more particularly to a structure and method for fabricating differential wiring patterns in multilayer glass-ceramic modules. The image forming apparatus comprises a chamber part, right and left side walls, a first guide groove, a second guide groove, an accessory plate that is a first operation unit, and a writing unit that is a second operation unit. Preferably, a bit in the address is received by and controls the multiplexer to select between the two banks of fuses.