The utility model may be manufactured only by a common sputtering process and therefore enjoys a low production cost, which is beneficial to the mass production and popularization of the product.

采用通常的减射工艺即可完成且生产成本低，便于产品的 规模化生产及推广。

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Upon entry into China based on either PCT application or Paris Convention, the applicant may select to file an application for patent or for utility model.

在基于PCT申请或者巴黎公约申请进入中国时，申请人可以选择递交发明专利申请或者实用新型专利申请。

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But after that, the type of the application may not be changed, and it is impossible to branch a utility model off an application for patent.

但是，在进入以后，则不再能够改变申请的类型，也不能递交改变申请类型的分案。

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