Multi-beam emitting device and light scanning unit employing...

Details Multi-beam emitting device and light scanning unit employing... Multi-beam emitting device and light scanning unit employing...

2007-09-04

2007-09-04

Cherry, Euncha P. (Department: 2872)

Optical: systems and elements

Deflection using a moving element

Using a periodically moving element

Reexamination Certificate

active

10938526

ABSTRACT:
A multi-beam emitting device which emits a multi-beam having a substantially equal wavelength and including a substrate and a plurality of laser beam emitting portions formed on the substrate, each of the laser beam emitting portions having an N type electrode layer, a P type electrode layer, and an active layer interposed between the N type and P type electrode layers. Each of the active layers is arranged such that a plane in which each active layer extends is substantially parallel to an upper surface of the substrate, and wherein the active layers are separated by a predetermined distance from each other in a direction following the upper surface of the substrate and simultaneously separated by a predetermined distance in a direction normal to the upper surface of the substrate. A light scanning unit is provided including the emitting device, a light deflection unit deflecting light beams emitted from the laser emitting device, and a scanning optical system scanning each of the light beams deflected by the light deflection unit in a sub-scanning direction to be separated by a predetermined pitch and parallel to each other.

REFERENCES:
patent: 2001/0022768 (2001-09-01), Takahashi
patent: 2003/0123503 (2003-07-01), Matsumoto et al.
patent: 2003/0164503 (2003-09-01), Chen
patent: 2003-069152 (2003-03-01), None

Affiliated with

Also associated with

Rating

Multi-beam emitting device and light scanning unit employing... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Multi-beam emitting device and light scanning unit employing..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Multi-beam emitting device and light scanning unit employing... will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3766070