| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a composition analyzing method capable of being easily performed for a glass fiber base material resin board used in a multilayered printed wiring board. <P>SOLUTION: The qualitative analysis and the quantitative analysis of an inorganic component are performed by a fluorescent X-ray method, and the quantity of organic component is determined from the ignition loss. By applying a formula using theses values, the quantitative values of an organic phosphoric compound of a fire-retarding material and aluminum hydroxide coexisting with glass cloth are determined. <P>COPYRIGHT: (C)2003,JPO</p> |
