Invention Grant
US09360610B2 Borate birefringent crystal applicable to ultraviolet (UV) or deep ultraviolet (DUV) range, and growth method and use thereof
有权
适用于紫外线（UV）或深紫外（DUV）范围的硼酸双折射晶体及其生长方法和用途
- Patent Title: Borate birefringent crystal applicable to ultraviolet (UV) or deep ultraviolet (DUV) range, and growth method and use thereof
- Patent Title (中): 适用于紫外线（UV）或深紫外（DUV）范围的硼酸双折射晶体及其生长方法和用途
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Application No.: US14128370Application Date: 2012-02-17
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Publication No.: US09360610B2Publication Date: 2016-06-07
- Inventor: Rukang Li , Yingying Ma
- Applicant: Rukang Li , Yingying Ma
- Applicant Address: CN Haidian District, Beijing
- Assignee: Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
- Current Assignee: Technical Institute of Physics and Chemistry, Chinese Academy of Sciences
- Current Assignee Address: CN Haidian District, Beijing
- Agency: Lewis Roca Rothgerber Christie LLP
- Priority: CN201110167966 20110621
- International Application: PCT/CN2012/000189 WO 20120217
- International Announcement: WO2012/174846 WO 20121227
- Main IPC: C30B9/12
- IPC: C30B9/12 ; G02B5/30 ; C30B29/22 ; G02B1/02 ; C30B11/06 ; C30B11/02 ; C30B15/20 ; C30B17/00
Abstract:
The present invention relates to a borate birefringent crystal applicable to ultraviolet (UV) or deep ultraviolet (DUV) range, with chemical formula of Ba2Mg(B3O6)2. The borate birefringent crystal belongs to a trigonal system, with space group of R-3 wherein a=0.70528(3) nm, c=1.65520(9) nm and Z=12. The barium magnesium borate birefringent crystal is negative uniaxial (ne
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