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Optical component positioning device, and an optical recording apparatus using the same
The positional deviation of the recording medium, the diffraction light generated from the recording medium for being blocked significantly by spatial filter, satisfactory reproduction signal amountExpand
Optical module, and a scanning type image display apparatus
PROBLEM TO BE SOLVED: To provide an optical module capable of obtaining stable projection image quality by suppressing reduction in heat isolation effect by natural convection and alleviating thermalExpand