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:
Jun. 09, 2015
Filed:
Feb. 07, 2014
Electronics and Telecommunications Research Institute, Daejeon, KR;
Phovel.co.ltd, Daejeon, KR;
Young-Tak Han, Daejeon, KR;
Jang Uk Shin, Daejeon, KR;
Sang Ho Park, Daejeon, KR;
Yongsoon Baek, Daejeon, KR;
Jeong Soo Kim, Daejeon, KR;
Electronics and Telecommunications Research Institute, Daejeon, KR;
Phovel.co.LTD, Daejeon, KR;
Abstract
Provided is a transistor outline (TO)-CAN type optical module and an optical transmission apparatus including the same. The optical module includes a stem, a thermo-electric cooler (TEC) on the stem, a first sub-mount on the TEC, an optical element on the first sub-mount, a plurality of electrode lead wirings inserted from an outside to an inside of the stem and disposed adjacent to the TEC and the optical element, a second sub-mount between the electrode lead wirings and the optical element, radio frequency (RF) transmission lines on the second sub-mount, a plurality of bonding wires connecting the RF transmission lines and the optical element, and the RF transmission lines and the electrode lead wirings, and an impedance matching unit disposed around the RF transmission lines and the electrode lead wirings, and controlling impedances of the RF transmission lines and the electrode lead wires.