| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of manufacturing a substrate, capable of preventing dust generating from the end face of a substrate, and ensuring a wiring area enough for an inner layer circuit.SOLUTION: A workpiece containing glass fiber is subject to shearing, so as to obtain a substrate 8 from the workpiece. Then, a heated mold 12 is pressed to the sheared surface of the substrate 8 to apply heat at softening point or higher of glass fiber. |
