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08/24/06 - USPTO Class 433 | 115 views | #20060188836 | Prev - Next | About this Page

Apparatus and method for curing materials with light radiation

Title: Apparatus and method for curing materials with light radiation

Related Patent Categories: Dentistry, Apparatus, Having Means To Emit Radiation Or Facilitate Viewing Of The Work

Brief Patent Description - Full Patent Description - Patent Claims

The Patent Description & Claims data below is from USPTO Patent Application 20060188836, Apparatus and method for curing materials with light radiation.

1. An instrument for curing light-curable compounds which are curable in: the mouth of a patient, the instrument comprising: a housing; a plurality of solid state, light-emitting elements, the elements comprising semiconductor junctions and being mounted on a substrate supported by the housing to form a collective array on said substrate, the array of elements operable for collectively emitting light having wavelengths within a narrow band of wavelengths; a generally clear layer simultaneously covering all of the plurality of light-emitting elements for protecting the array of semiconductor junctions; an optically reflective element coupled to surround the plurality of light-emitting elements to capture the collective light from an array of light-emitting elements and direct it forwardly away from the collective array an ultimately to a compound for curing.

2. The instrument of claim 1 wherein said solid state elements are light emitting dies formed of a semiconductor material.

3. The instrument of claim 1 further comprising a heat sink thermally coupled to the substrate for absorbing heat generated by the array of elements.

4. The instrument of claim 1 further comprising a thermally conductive element which is thermally coupled to the substrate for conductively transferring heat generated by the array of elements away from the substrate.

5. The instrument of claim 1 further comprising a heat exchanger which is thermally coupled to the substrate for dissipating heat generated by the array of elements.

6. The instrument of claim 1 further comprising a first heat sink element thermally coupled to the substrate for absorbing heat generated by the array of elements, and a heat exchange element thermally coupled to the heat sink for conductively transferring heat generated by the array of elements.

7. The instrument of claim 1 wherein said housing comprises a barrel portion having a proximal end spaced from a distal end of the barrel portion, the distal end being configured to be placed in the mouth of a patient, the array of light-emitting elements being positioned proximate to said proximal end, a light transmitting device being operably coupled to said array for transmitting the light beam from the array to the housing distal end.

8. The instrument of claim 7 wherein said light transmitting device comprises a plurality of fiber optic elements operably coupled together for directing said beam. to the mouth of the patient.

9. The instrument of claim 1 further comprising a portable power supply positioned within said housing for portable operation of the instrument.

10. The instrument of claim 1 wherein said array of elements has a density of elements on the substrate operable for collectively emitting a power density of light in the range of 200 to 1400 mW/cm.sup.2.

11. The instrument of claim 7 wherein said light transmitting device has an acceptance angle, said optical focusing device operable for generating a beam of light which does not diverge significantly from said acceptance angle.

12. The instrument of claim 11 wherein said array of light-emitting elements emits light in the range of 0.degree.-180.degree. and said optical focusing device is operable for collimating the light into a beam which does not diverge significantly from said acceptance angle.

Brief Patent Description - Full Patent Description - Patent Claims

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Previous Patent Application:
Method for creating features in orthodontic aligners
Next Patent Application:
Multi-wavelength dental light curing gun
Industry Class:
Dentistry

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