Are the laboratory records (i. e. Cross-sections for hole roughness, etc. ) for Packaging & OBE process complete and up to date?
包裝和OBE制程(例如孔壁粗糙度的切片等)的記錄是否完The overall cooling effectiveness of the inclined multi hole plates was investigated through approximate simulation experiments.
采用近似模化技术,研究了多斜孔壁的整体冷却效率。Deburring As drill removes copper a small copper ridge forms around the hole edge.
去毛刺-钻孔后会在铜箔和孔壁上产生粗糙边。This test had built the influence formula of light micro structures of coke pore-wall materials on the tensile strength.
试验求出了焦炭孔壁基质光学组织结构对抗拉强度的影响规律公式。and hole-wall stability will also be determined by the Mohr-Coulomb Criterion.
并用莫尔—库仑极限平衡准则对孔壁稳定性进行判别。Is PTH and small via hole wall quality checked by cross-section and followed by a closed loop corrective action?
是否通过切片检验PTH与小导通孔孔壁状况,并有相应的改善对策跟踪?The morphology of the foam cell is investigated to analyze the enrichment of titanium and furrows on cell wall.
对泡沫孔的形貌特征进行了研究,并对孔壁上钛的富集和皱褶进行了分析。The specialized inspector inspects the bore diameter, pitch, chamfer and finish degree of bore wall.
加工完成后由专门检验员检验孔径、孔距、倒角大小、孔壁光洁度。If non-coupling coefficient is too large, initial pressure of blasting-hole wall will be too small, which influence blasting effect.
当不耦合系数太大时,炮孔壁初始压力太小,影响爆破效果;