Mounting structure for laser diode bars

Details Mounting structure for laser diode bars Mounting structure for laser diode bars

1998-12-15

2001-02-13

Font, Frank G. (Department: 2877)

Coherent light generators

Particular active media

Semiconductor

C372S043010, C372S034000, C372S036000, C372S050121, C372S097000, C372S069000, C372S075000

Reexamination Certificate

active

06188707

ABSTRACT:

FIELD OF THE INVENTION
This invention relates to the structure and fabrication of laser diode arrays for laser excitation.
BACKGROUND AND INFORMATION DISCLOSURE STATEMENT
One method of exciting a laser crystal is by means of laser diodes in arrays placed adjacent to the laser crystal.
U.S. Pat. No. 5,040,187 to Karpinski, issued Aug. 13, 1991, and U.S. Pat. No. 5,128,951 to Karpinski, issued Jul. 7, 1992 are the most relevant prior art that we know of. Each of them discloses a flat dielectric substrate with an overlying conductive layer, and laser diode bars mounted in grooves in the conductive layer. The Karpinski patents are more fully discussed below in connection with
FIGS. 1-8
herein.
SUMMARY OF THE INVENTION
A laser diode bar mounting structure according to this invention includes a dielectric substrate with an overlying conductor, and diode bar spaces through the conductor layer to support laser diode bars within them. The bar spaces are configured with generally parallel upper sidewalls and flared out or expanded bottoms to dissipate capillary action of solder under the diode bars.


REFERENCES:
patent: 5040187 (1991-08-01), Karpinski
patent: 5128951 (1992-07-01), Karpinski
patent: 5284790 (1994-02-01), Karpinski
patent: 5627850 (1997-05-01), Irwin et al.

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