| 摘要 |
PURPOSE:To enable glass fibers which form fabric to be lessened in tensile strength by treating them with silicate. CONSTITUTION:Glass fiber can be easily and effectively lessened in tensile strength. A printed wiring board is enhanced in drilling property. As glass fiber is prevented from decreasing sharply in tensile strength during a process, it can be stably processed. Furthermore, glass fiber is not required to be treated at a high temperature, so that it can be treated in continuation. |
