US Patent 7633672 Wavelength conversion devices
Patent 7633672 was granted and assigned to NGK Insulators on December, 2009 by the United States Patent and Trademark Office.
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Patent Inventor Names
Takashi Yoshino0
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Patent abstract
A wavelength conversion device is provided having a ridge optical waveguide and a periodic domain inversion structure formed in the waveguide. The optical waveguide has side wall faces, an upper face and edge areas formed between the upper face and the side wall face, respectively. R-faces are formed on the edge areas.
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US Patent 07633672 Wavelength conversion devices US Patent 7633672 Wavelength conversion devices
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Patent Number
076336720
Patent Number
76336720
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Current Assignee
Patent Jurisdiction
Patent Number
076336720
Date of Patent
December 15, 2009
0Patent Application Number
120382080
Date Filed
February 27, 2008
0Official Website
Patent Primary Examiner
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US Patent 07633672 Wavelength conversion devices
Infobox
Is a
Current assignee
Patent jurisdiction
Patent number
07633672
Date of patent
December 15, 2009
Patent application number
12038208
Date Filed
February 27, 2008
Patent primary examiner
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