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:
Mar. 22, 2005
Filed:
Oct. 11, 2002
Ken Purchase, Mountain View, CA (US);
Martin Mckenzie, Los Altos Hills, CA (US);
Lili Huang, Santa Clara, CA (US);
Stephen Z. D. Cheng, Hudson, OH (US);
Frank W. Harris, Akron, OH (US);
Jason J. GE, Maplewood, MN (US);
Dong Zhang, Akron, OH (US);
Ken Purchase, Mountain View, CA (US);
Martin McKenzie, Los Altos Hills, CA (US);
Lili Huang, Santa Clara, CA (US);
Stephen Z. D. Cheng, Hudson, OH (US);
Frank W. Harris, Akron, OH (US);
Jason J. Ge, Maplewood, MN (US);
Dong Zhang, Akron, OH (US);
Other;
Abstract
Waveplates formed of mesogen-containing polymers and planar lightwave circuits containing such waveplates. Polymers have sidechains containing mesogens such as biphenyl-containing groups. Polymers may have a glass transition temperature between 100 C and 300 C, and polymers may be stretched in excess of 150% to increase birefringence of polymer and provide thin films. Waveplates formed of stretched polymer films may have high biaxial birefringence.