4. Optics: measuring and testing
  5. By dispersed light spectroscopy
  6. Utilizing a spectrometer

Jingwei Zhang

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Electric power supply for at least two electrodes

Electric lamp and discharge devices: systems – Periodic switch in the supply circuit – Silicon controlled rectifier ignition
Reexamination Certificate

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Flat coplanar-discharge lamp and uses of same

Electric lamp and discharge devices – With luminescent solid or liquid material – With gaseous discharge medium
Reexamination Certificate

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Method and device for measuring stresses of membranes in a...

Optics: measuring and testing – Material strain analysis – By light interference detector
Reexamination Certificate

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Method of measuring the thickness of a transparent material

Optics: measuring and testing – By dispersed light spectroscopy – Utilizing a spectrometer
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Process and device for measuring the thickness of a...

Optics: measuring and testing – By light interference – For dimensional measurement
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Profile ID: LFUS-PAI-P-314192

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