北京市电加工研究所近日向社会推出精密冷冲、注塑、粉末冶金模具加工技术。该研究所精密模具实验室多年来主要从事以上模具的攻关 ,研制成功了多项先进加工工艺 ,实现了核试验现场照相的“针孔总成”攻关 ,填补了国防工业的一项空白 ,完成了大规模集成电路引线框架多工位级进 Beijing Institute of Electrical Processing recently introduced to the community precision chilled, injection molding, powder metallurgy die processing technology. The Institute of precision molds laboratories over the years mainly engaged in the above mold research, the successful development of a number of advanced processing technology, to achieve the nuclear test site photography “pinhole assembly” research, to fill a gap in the national defense industry to complete Large Scale Integrated Circuit Lead Frame Multi-station Progressive