The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 18, 2016
Filed:
Dec. 29, 2015
Graduate School AT Shenzhen, Tsinghua University, Shenzhen, CN;
Qian Zhou, Shenzhen, CN;
Kai Ni, Shenzhen, CN;
Rui Tian, Shenzhen, CN;
Yang Li, Shenzhen, CN;
Mingfei Xu, Shenzhen, CN;
Jinchao Zhang, Shenzhen, CN;
Jinchao Pang, Shenzhen, CN;
Hao Dong, Shenzhen, CN;
Graduate School at Shenzhen, Tsinghua University, Shenzhen, CN;
Abstract
A manufacture method for a blazed concave grating is provided, including: replicating a blazed concave grating by means of a replication process, after the replication is completed, conducting heat preservation and cooling, then separating two gratings (G, G) by using different pulling manners respectively, and finally splicing the replicated and separated concave grating blanks, to obtain a required blazed concave grating. This manufacture method can solve the problem of a big error in an existing replication method for a blazed concave grating.