DIN EN 61249-7-1-1996 互连结构材料.第7部分:增强芯材料分规范.第1节:铜/因瓦/铜
Materials for interconnection structures - Part 7: Sectional specification set for restraining core materials; section 1: Copper/Invar/copper (IEC 61249-7-1:1995); German version EN 61249-7-1:1995
The document gives the requirements for copper-clad invar material for use in the fabrication of metal-clad laminated sheets, used for printed boards.#,,#