| Patent Number |
Title Of Patent |
Date Issued |
| 7623238 |
System for and method of reducing change caused by motor vibrations in ellipsometers, polarimete |
November 24, 2009 |
| A system and method which reduces change in locus of a beam of electromagnetic radiation which otherwise result from vibrations caused by operation of a motor which controls the rotation of an element which affects the beam. |
| 7623237 |
Sample investigating system |
November 24, 2009 |
| A spectroscopic system for adjusting spacing between an adjacent source/detector as a unit, and a sample, and a reflecting means for directing an incident beam which reflects from said sample back onto said sample and then into the detector along a locus which is in a plane of incide |
| 7616319 |
Spectroscopic ellipsometer and polarimeter systems |
November 10, 2009 |
| A rotating compensator spectroscopic ellipsometer or polarimeter system having a source of a polychromatic beam of electromagnetic radiation, a polarizer, a stage for supporting a material system, an analyzer, a dispersive optics and a detector system which comprises a multiplicity of |
| 7567345 |
Ellipsometer meeting scheimpflug condition with provision of an essentially circular electromagn |
July 28, 2009 |
| A reflectometer, ellipsometer, polarimeter or the like system with aperture, focusing means, sample and optionally detector planes oriented so that the Scheimpflug condition is substantially met on incident and/or, optionally, reflection sides of a sample. In addition beneficial aper |
| 7554662 |
Spatial filter means comprising an aperture with a non-unity aspect ratio in a system for invest |
June 30, 2009 |
| Systems which utilize electromagnetic radiation to investigate samples and include at least one spatial filter which has an aperture having a hole therethrough with a non-unity aspect ratio. |
| 7535566 |
Beam chromatic shifting and directing means |
May 19, 2009 |
| An electromagnetic beam chromatic shifting and directing means for use in reflectively directing a spectroscopic beam of electromagnetic radiation while simultaneously de-emphasizing intensity in a first range of wavelengths, (eg. the Visible wavelengths), and simultaneously relatively |
| 7522279 |
System for and method of investigating the exact same point on a sample substrate with multiple |
April 21, 2009 |
| Disclosed are system for and method of analyzing the substantially the exact same point on a sample system with at least two wavelengths, or at least two ranges of wavelengths for which the focal lengths do not vary more than within an acceptable amount. |
| 7508510 |
System for and method of investigating the exact same point on a sample substrate with multiple |
March 24, 2009 |
| System for and Method of analyzing a sample at substantially the exact same small spot thereon with a plurality of wavelengths using a lens system which provides the same focal length at at least two wavelengths at various positions thereof with respect to a sample, including analyzi |
| 7505134 |
Automated ellipsometer and the like systems |
March 17, 2009 |
| Systems and methodology for orienting the tip/tilt and vertical height of samples, preferably automated, as applied in ellipsometer and the like systems. |
| 7492455 |
Discrete polarization state spectroscopic ellipsometer system and method of use |
February 17, 2009 |
| A spectroscopic ellipsometer system comprising a plurality of individual sources which are sequentially energized to provide a sequence of beams, each of different polarization state but directed along a common locus toward a sample. The preferred spectroscopic ellipsometer system has no |
| 7489400 |
System and method of applying xenon arc-lamps to provide 193 nm wavelengths |
February 10, 2009 |
| Application of Xenon arc-lamps to provide UV/deep UV wavelengths in spectrophotometer, reflectometer, ellipsometer, polarimeter or the like systems. |
| 7468794 |
Rotating compensator ellipsometer system with spatial filter equivalent |
December 23, 2008 |
| Application of a spatial filter equivalent constructed from a converging lens and an optical fiber in rotating compensator ellipsometer systems, after a sample system. The purpose is to eliminate a radially outer annulus of a generally arbitrary Profile beam that presents with low in |
| 7336361 |
Spectroscopic ellipsometer and polarimeter systems |
February 26, 2008 |
| A spectroscopic ellipsometer or polarimeter system having a source of a polychromatic beam of electromagnetic radiation, a polarizer, a stage for supporting a material system, an analyzer, a dispersive optics and a detector system which comprises a multiplicity of detector elements, |
| 7327456 |
Spectrophotometer, ellipsometer, polarimeter and the like systems |
February 5, 2008 |
| Disclosed are improvements in ellipsometer and the like systems capable of operating in the Vacuum-Ultra-Violet (VUV) to Near Infrared (NIR) wavelength range, and methodology of use. |
| 7317530 |
Combined spatial filter and relay systems |
January 8, 2008 |
| Low aberration relay systems modified to perform as spatial filters in reflectometer, spectrophotometer, ellipsometer, polarimeter and the like systems. |
| 7317529 |
Aspects of producing, directing, conditioning, impinging and detecting spectroscopic electromagn |
January 8, 2008 |
| Systems and methods for providing and enhancing electromagnetic radiation beam radial energy homogeneity and intensity vs. wavelength content, for reliably directing electromagnetic radiation emitted by a source thereof in a common direction, for achromatically reducing spot size on a sa |
| 7304737 |
Rotating or rotatable compensator system providing aberation corrected electromagnetic raadiatio |
December 4, 2007 |
| Spectroscopic ellipsometer systems which include polarizer and analyzer elements which remain fixed in position during data acquisition while at least one continuously rotating or step-wise rotatable compensator imposes a continuously variable or plurality of sequentially discrete po |
| 7301631 |
Control of uncertain angle of incidence of beam from Arc lamp |
November 27, 2007 |
| A system for stabilizing the angle of incidence a beam of electromagnetic radiation from a vertically oriented Arc lamp onto a horizontally oriented sample surface. |
| 7277171 |
Flying mobile on-board ellipsometer, polarimeter, reflectometer and the like systems |
October 2, 2007 |
| A substantially self-contained "on-board" material system investigation system functionally mounted on a three dimensional locational system to enable positioning at desired locations on, and distances from, the surface of a large sample, including the capability to easily and conven |
| 7274450 |
Sample entry purge system in spectrophotometer, ellipsometer, polarimeter and the like systems |
September 25, 2007 |
| A sample sequestering system which allows access to a subspace in a chamber encompassed generally enclosed space, for use in entering and removing a sample when the subspace is opened to atmosphere. Sufficient purge gas is flowed from within the generally enclosed space into the subs |
| 7265838 |
Method of calibrating effects of multi-AOI-system for easy changing angles-of-incidence in ellip |
September 4, 2007 |
| Disclosed is a system for enabling easy sequential setting of different Angles-of-Incidence of a beam of electromagnetic radiation to a surface of a sample system involving regression based methodology for evaluating and compensating the effects of the presence electromagnetic beam i |
| 7245376 |
Combined spatial filter and relay systems in rotating compensator ellipsometer/polarimeter |
July 17, 2007 |
| Low aberration relay systems modified to perform as spatial filters in rotating compensator ellipsometer, polarimeter and the like systems. |
| 7230699 |
Sample orientation system and method |
June 12, 2007 |
| Disclosed is a system comprising a stage with "X", "Y" and "Z" translation and "X", "Y" and optionally "Z" axes rotation capability, in combination with interrogation and monitoring means which act in functional combination to orient the surface of a sample so as to set an intended o |
| 7215424 |
Broadband ellipsometer or polarimeter system including at least one multiple element lens |
May 8, 2007 |
| Quasi-achromatic multi-element lens(es) which are precisely mounted with respect to one another in a tubular mounting fixture, and the application thereof in focusing, (and optionally re-colliminating), a spectroscopic electromagnetic beam into a very small, chromatically relatively |
| 7193710 |
Rotating or rotatable compensator spectroscopic ellipsometer system including multiple element l |
March 20, 2007 |
| Disclosed are spectroscopic ellipsometer systems which include polarizer and analyzer elements which remain fixed in position during data acquisition, and at least one continuously rotating or step-wise rotatable compensator which transmits an electromagnetic beam therethrough and |
| 7158231 |
Spectroscopic ellipsometer and polarimeter systems |
January 2, 2007 |
| A spectroscopic ellipsometer or polarimeter system having a source of a polychromatic beam of electromagnetic radiation, a polarizer, a stage for supporting a material system, an analyzer, a dispersive optics and a detector system which comprises a multiplicity of detector elements, |
| 7136162 |
Alignment of ellipsometer beam to sample surface |
November 14, 2006 |
| Disclosed is a system and method of aligning, preferably by an automated procedure, a beam of electromagnetic radiation provided by a source thereof so that it approaches a sample at a specific location upon its surface, at a known angle, then reflects therefrom and enters a data det |
| 7075650 |
Discrete polarization state spectroscopic ellipsometer system and method of use |
July 11, 2006 |
| A spectroscopic ellipsometer system comprising a plurality of individual sources which are sequentially energized to provide a sequence of beams, each of different polarization state but directed along a common locus toward a sample. The prefered spectroscopic ellipsometer system has no |
| 7057717 |
System for and method of investigating the exact same point on a sample substrate with at least |
June 6, 2006 |
| Disclosed are system for and method of analyzing the substantially the exact same point on a sample system with at least two wavelengths, or at least two ranges of wavelengths for which the focal lengths do not vary more than within an acceptable amount. |
| 6982792 |
Spectrophotometer, ellipsometer, polarimeter and the like systems |
January 3, 2006 |
| Disclosed are improvements in ellipsometer and the like systems capable of operating in the Vacuum-Ultra-Violet (VUV) to Near Infrared (NIR) wavelength range, and methodology of use. |
| 6950182 |
Functional equivalent to spatial filter in ellipsometer and the like systems |
September 27, 2005 |
| Disclosed is the application of a functional equivalent to a spatial filter in ellipsometer and the like systems. Included are demonstrated multi-element converging lens systems which focus an electromagnetic beam onto a fiber optic. The purpose is to eliminate a radially outer annulus |
| 6930813 |
Spatial filter source beam conditioning in ellipsometer and the like systems |
August 16, 2005 |
| Disclosed is the application of spatial filters and beam energy homogenizing systems in ellipsometer and the like systems prior to a sample system. The purpose is to eliminate a radially outer annulus of a generally arbitrary intensity profile, so that electromagnetic beam intensity |
| 6859278 |
Multi-AOI-system for easy changing angles-of-incidence in ellipsometer, polarimeter and reflecto |
February 22, 2005 |
| Disclosed is a system for enabling easy sequential setting of different Angles-of-Incidence of a beam of electromagnetic radiation to a surface of a sample system, and to regression based methodology for evaluating and compensating the effects of the presence of electromagnetic beam |
| 6804004 |
Multiple-element lens systems and methods for uncorrelated evaluation of parameters in parameter |
October 12, 2004 |
| Disclosed are multi-element lenses which demonstrate reduced achromatic focal length and reduced electromagentic beam spot size dispersal effects in ellipsometer and polarimeter systems. Also disclosed is methodology for evaluating parameters in parameterized equations which enables calc |
| 6590655 |
System and method of improving electromagnetic radiation beam characteristics in ellipsometer an |
July 8, 2003 |
| Disclosed are systems for, and methods of controlling radial energy density profiles in, and/or cross-section dimensioning of electromagnetic beams in polarimeters, ellipsometers, reflectometers and spectrophotometers. |
| 6549282 |
Methods for uncorrelated evaluation of parameters in parameterized mathematical model equations |
April 15, 2003 |
| Disclosed are ellipsometer and polarimeter systems which have multi-element input and output lenses that demonstrate essentially the same focal length at each wavelength in a spectroscopic range of wavelengths. |
| 6456376 |
Rotating compensator ellipsometer system with spatial filter |
September 24, 2002 |
| Disclosed is the application of spatial filter(s) in rotating compensator ellipsometer systems prior to or after a sample system. The purpose is, for instance, to eliminate a radially outer annulus of a generally arbitrary Profile beam that presents with low intensity level irregular |
| 5969818 |
Beam folding optics system and method of use with application in ellipsometry and polarimetry |
October 19, 1999 |
| Disclosed is an electromagnetic beam directing system and method which enables changing the direction of propagation of a beam of electromagnetic radiation without significantly changing the phase angle between orthogonal components therein. Two pairs of mirrors are oriented to form |
| 5963327 |
Total internal reflection electromagnetic radiation beam entry to, and exit from, ellipsometer, |
October 5, 1999 |
| Disclosed are laterally compact ellipsometer, polarimeter, reflectometer and the like material system investigating systems, and methods for their use. Input and output optical elements effect changes in orientation, (propagation direction), of a beam of electromagnetic radiation caused |
| 5805285 |
Multiple order dispersive optics system and method of use |
September 8, 1998 |
| Disclosed is a dispersive optics system, in the context of sample substrate system investigating spectroscopic reflectometer and the like systems, which, in use, produce a plurality of "Orders" of essentially single wavelength beams of light from a polychromatic beam of light. In use the |
| 5666201 |
Multiple order dispersive optics system and method of use |
September 9, 1997 |
| Disclosed is a dispersive optics system, in the context of ellipsometer or polarimeter and the like systems, which, in use, produces a plurality of "Orders" of essentially single wavelength beams of light from a polychromatic beam of light. In use the availability of more than one "O |
