4. Optics: measuring and testing
  5. By light interference
  6. Having light beams of different frequencies

Bryan Kok Ann Ngoi

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Acousto optic data storage system on a stationary and high...

Static information storage and retrieval – Read/write circuit – Optical
Reexamination Certificate

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Acousto optic scanning laser vibrometer for determining the...

Optics: measuring and testing – By light interference – Having light beams of different frequencies
Reexamination Certificate

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Ball grid array (BGA) package on-line non-contact inspection...

Radiant energy – Photocells; circuits and apparatus – With circuit for evaluating a web – strand – strip – or sheet
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Heterodyne interferometry for small spacing measurement

Optics: measuring and testing – By light interference – Having light beams of different frequencies
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Noncontact acoustic optic scanning laser vibrometer for...

Optics: measuring and testing – By light interference – Having light beams of different frequencies
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Profile ID: LFUS-PAI-P-2100033

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