Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tohru Takahashi0
Date of Patent
March 16, 2010
0Patent Application Number
112225710
Date Filed
September 9, 2005
0Patent Primary Examiner
Patent abstract
A laser source assembly comprises a laser diode for generating a laser beam and a focusing lens for focusing the light beam. A spacer is provided for keeping the diode and the lens at a predetermined distance, and is made of a material of low expansion coefficient. Preferably, the subassembly constituted of the diode, the spacer and the lens is housed in a case made of another material that may have a higher expansion coefficient. A resilient element is provided to continuously keep the diode and the lens abutting on the opposite ends of the spacer.
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