Patent ID: 11862939
Assignee: KYOCERA SLD LASER, INC.
Field: Optics (Instruments)
Classification: CPC H | IPC H

Claim 16:
17. An ultraviolet laser diode device operable at a wavelength of less than 380 nm and greater than 200 nm, the ultraviolet laser diode device comprising:
a handle substrate member comprising a surface region;
an interface region overlying the surface region;
a first transparent conductive oxide layer with a band gap energy of greater than 3.2 eV overlying the interface region;
a p-type aluminum, gallium, and nitrogen containing material;
an active region overlying the p-type aluminum, gallium, and nitrogen containing material,
an n-type aluminum, gallium, and nitrogen containing material;
a second transparent conductive oxide layer with a band gap energy of greater than 3.2 eV overlying the n-type aluminum, gallium, and nitrogen containing material or overlying an exposed portion of an n-type gallium and nitrogen containing material overlying the n-type aluminum, gallium, and nitrogen containing material, such that the active region is configured between the first transparent conductive oxide layer and the second transparent conductive oxide layer to provide an optical guiding;
a ridge structure configured within at least the second transparent conductive oxide layer to provide a transparent conductive oxide ridge structure;
a contact region that exposes a portion of the second transparent conductive oxide layer; and
a metal contact material on the exposed portion of the second transparent conductive oxide layer;
wherein a process of forming the ultraviolet laser diode device comprises:
bonding the interface region to the surface region; and
subjecting a release material to an energy source to initiate release of the n-type aluminum, gallium, and nitrogen containing material from the release material.