无针孔的涂膜，没有表面缺陷的表面。
烧结钢部件在生产过程中，尤其是烧结之后其表面有时会出现针孔、孔洞及斑痕等缺陷。
Among others, surface defects such as pinholes, holes and stains appear during the production of PM components, especially after sintering.
当剂量增加到足以溅射掉第一代表面发泡时，针孔形成，针孔的密度随剂量增加而增加。
At doses high enough to sputter the first-generation blisters, Pinholes can be formed and pinhole density increased with increase in the total dose.
应用推荐