4. Optics: image projectors
  5. Lens support
  6. Lens position adjustable

Shuichi Yabu

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Apparatus and method for aligning objects

Optics: measuring and testing – By alignment in lateral direction – With registration indicia
Patent

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Birefringence measurement apparatus and method

Optics: measuring and testing – By polarized light examination – With birefringent element
Reexamination Certificate

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Exposure apparatus having gas supplying means for air blow off

Radiant energy – Photocells; circuits and apparatus – Photocell controls its own optical systems
Patent

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Exposure apparatus, gas replacing method, and method of...

Photocopying – Projection printing and copying cameras – With temperature or foreign particle control
Reexamination Certificate

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Mask aligner

Photocopying – Projection printing and copying cameras – Identifying – composing – or selecting
Patent

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Profile ID: LFUS-PAI-P-117971

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