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:
Aug. 30, 1994
Filed:
Jul. 02, 1993
Applicant:
Inventors:
Gary T Boyd, Woodbury, MN (US);
Tzu-Chen Lee, Woodbury, MN (US);
Bruce A Sventek, St. Paul, MN (US);
Elisa M Cross, St. Paul, MN (US);
Laura A Weller-Brophy, White Bear Township, Ramsey County, MN (US);
Assignee:
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; B29D / ;
U.S. Cl.
CPC ...
385 46 ; 385 14 ; 385 45 ; 385 49 ; 385 51 ; 385131 ; 385132 ; 264-11 ; 264-17 ; 264-125 ;
Abstract
An integrated optical coupler comprises a substrate with fiber-aligning grooves and waveguiding channels and a covering with complementary grooves and, optionally, channels. These couplers can be made from reproducible masters and electroplated molds made from those masters.