Claims
- 1. In a light emitting device which comprises a copper heatsink, including a mounting surface, with a light emitting element affixed thereto, which element includes two opposite emitting facets,
- wherein the improvement comprises a tapered quadrilateral mounting surface comprising a narrow edge and a wider edge, parallel to each other; and two opposite divergent mounting edges, to which said emitting facets of said light emitting element are substantially aligned; and wherein the dimensions of said narrow edge and said wider edge are in accordance with a desired range of sizes of light emitting elements whereby said mounting surface can provide accurate facet-to-mounting edge alignment for various sizes of light emitting elements within the desired range.
- 2. The light emitting device of claim 1 wherein the angle of divergence between said mounting edges is less than or equal to 1.degree..
- 3. The light emitting element of claim 1 wherein said copper heatsink is coated with one or more coatings selected from the group consisting of nickel, gold, and copper.
Government Interests
The Government has rights in this invention pursuant to a Government Contract.
US Referenced Citations (4)
Number |
Name |
Date |
Kind |
3614550 |
Marinace et al. |
Oct 1971 |
|
3869702 |
Backhouse et al. |
Mar 1975 |
|
3878556 |
Nyul |
Apr 1975 |
|
4144504 |
Leggett et al. |
Mar 1979 |
|