请帮忙看下这个句子的语法

　　请帮忙看下这个句子的语法。In this experiment, the main ion source, with a 10 cm diameter and the incident angle of 45◦, pumped in pure argon gas to generate Ar+ and sputtered the sintered high-purity SiC target.

请英语达人看看这个句子的语法是否错误，并给出修改
===有问必答===
In this experiment, the main ion source, with a 10 cm diameter and the incident angle of 45, pumped in pure argon gas to generate Ar+， flowing out on the sintered high-purity SiC target.
小的不是达人，个人意见仅供参考~