Optical modules
AssigneeElectronics and Telecommunications Research Institute
InventorsYoung-Tak Han, Jang Uk Shin, Sang-Pil Han, Sang Ho Park, Yongsoon Baek
Life of this patent
Estimating the term…
Abstract
Provided is an optical module. The optical module includes: an optical bench having a first trench of a first depth and a second trench of a second depth that is lower than the first depth; a lens in the first trench of the optical bench; at least one semiconductor chip in the second trench of the optical bench; and a flexible printed circuit board covering an upper surface of the optical bench except for the first and second trenches, wherein the optical bench is a metal optical bench or a silicon optical bench.
Claims11
An optical module comprising:
- a thermo-electric cooler unit;
- a first optical bench with a lens on the thermo-electric cooler unit;
- a second optical bench with a trench, contacting on the first optical bench except for a region with the lens;
- at least one semiconductor chip in the trench of the second optical bench;
- a flexible printed circuit board covering an upper surface of the second optical bench except for the trench;
- and
- a metal package component surrounding the thermo-electric cooler unit, the first optical bench with the lens, the second optical bench with the semiconductor chip, and the flexible printed circuit board to protect them from an external environment,
- wherein the first and second optical benches are a metal optical bench or a silicon optical bench.
An optical module comprising:
- a first optical bench with a lens;
- a second optical bench with a trench, contacting on the first optical bench except for a region with the lens;
- at least one semiconductor chip in the trench of the second optical bench;
- and
- a flexible printed circuit board covering an upper surface of the second optical bench except for the trench,
- wherein the first and second optical benches are a metal optical bench or a silicon optical bench,
- wherein the flexible printed circuit board comprises:
- a conductive line;
- a lower ground line;
- and
- an insulation layer between the conductive line and the lower ground line,
- wherein the conductive line comprises a signal transmission line, an upper ground line, and an electrode line.
Dependencies are inferred from the claim text.