Device and nondestructive method to determine subsurface...

Optics: measuring and testing – Range or remote distance finding – With photodetection

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C356S003010, C356S005010, C356S237600, C356S239200, C356S369000

Reexamination Certificate

active

07042556

ABSTRACT:
A method and a device to detect subsurface three-dimensional micro-structure in a sample by illuminating the sample with light of a given polarization and detecting light emanating from the sample that has a different direction of polarization by means of a confocal optical system.

REFERENCES:
patent: 3633212 (1972-01-01), Cooper
patent: 5689332 (1997-11-01), Ellingson et al.
patent: 5745236 (1998-04-01), Haga
patent: 6285449 (2001-09-01), Ellingson et al.
H. R. Hee, et al. “Optical Coherence Tomography for Ophthalmic Imaging”, IEEE Engineering in Medicine and Biology, 95 Sun ,et al., “Application. of Optical Scattering Methods to Detect Damage in Ceramics”, in Machining of Ceramics and Composites, Part IV; Chapter 19, edited by Jahanmir et al., in 1999, 1t 669.
Zhang et al., “Subsurface Damage Measurement In Silicon Wafers By Laser Scattering”, in Transactions of NAMSI/SME, vol. XXX, 2002, at 535.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Device and nondestructive method to determine subsurface... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device and nondestructive method to determine subsurface..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device and nondestructive method to determine subsurface... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3619465

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.