US Patent 7921436 Optical device integrated head
Patent 7921436 was granted and assigned to Hitachi on April, 2011 by the United States Patent and Trademark Office.
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An optical device integrated head having high light utilizing efficiency by decreasing the propagation loss caused from an optical source to a recording medium, conducting by mounting according to compact active alignment method for efficiently guiding a light generated from a laser device to the top end of a head, in which a light source device mounted on a submount has a mirror portion having an inclinated surface to at least a portion of one edge thereof for reflecting an output light from the optical source device at the inclinated surface, a structural member including a lens structure for further allowing a light to pass through the submount, and an optical waveguide disposed passing through a slider for mounting the submount, and the optical source and the slider are positioned by using active alignment of light in a chip-on carrier structure having the optical source device mounted on the submount.
US Patent 07921436 Optical device integrated head US Patent 7921436 Optical device integrated head
US Patent 07921436 Optical device integrated head
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