Semiconductor device manufacturing: process – Formation of semiconductive active region on any substrate – Fluid growth from liquid combined with preceding diverse...
Reexamination Certificate
2006-12-19
2006-12-19
Estrada, Michelle (Department: 2823)
Semiconductor device manufacturing: process
Formation of semiconductive active region on any substrate
Fluid growth from liquid combined with preceding diverse...
C438S962000, C977S773000, C977S774000, C977S775000
Reexamination Certificate
active
07151047
ABSTRACT:
A method for manufacturing powdered quantum dots comprising the steps of: a) reacting quantum dots comprising a core, a cap and a first ligand associated with the outer surfaces thereof with a second ligand, the second ligand displacing the first ligand and attaching to the outer surfaces of the quantum dots, b) isolating the quantum dots having the attached second ligand from the reaction mixture, c) reacting the isolated quantum dots having the attached second ligand with a small organic molecule whereby the small organic molecule attaches to the second ligand, d) reacting the quantum dots having the attached small organic molecule with a cross-linking agent to cross-link the small organic molecule attached to the second ligand with an adjacent second ligand attached to the surfaces of the quantum dots, e) isolating the quantum dots formed in step (d); and f) drying the isolated quantum dots to form powdered quantum dots. The invention includes the quantum dots.
REFERENCES:
patent: 6114038 (2000-09-01), Castro et al.
patent: 6468808 (2002-10-01), Nie et al.
patent: 6699723 (2004-03-01), Weiss et al.
Hanaki et al, “Semiconductor Quantum Dot/Albumin COmplex is a Long-Life and Photostable Endosome Marker”. Biochemical and Biophysical Research Communication 302 (2003).
Hines et al. “Synthesis and Characterization of Strongly Luminescing Zn-S-Capped Nanocrystals”. Journal of Physical Chemistry, 100, (1996). pp. 468-471.
Braun, Hans-G. “Microprinting- A New Approach to Study Competitive Structure Formation on Surface”. Macromolecule Rapid Communication 20 (1999). pp. 325-327.
Alivisatos, “Semiconductors Clusters, Nanocrystals, and Quantum Dots”, Science, vol. 271, 1996, pp. 933-937.
Alivisatos, “Perspectives on the Physical Chemistry of Semiconductor Nanocrystals”, J. Phys. Chem., vol. 100, 1996, pp. 13226-13239.
Brus, “Quantum Crystallites and Nonlinear Optics”, Appl. Phys., vol. A53, 1991, pp. 465-474.
Hines et al., “Synthesis and Characterization of Strongly Luminescing ZnS-Capped CdSe Nanocrystals”, J. Phys. Chem., vol. 100, 1996, pp. 468-471.
Dabbousi et al., “(CdSe)ZnS Core-Shell Quantum Dots: Synthesis and Characterization of a Size Series of Highly Luminescent Nanocrystallites”, J. Phys. Chem. B. vol. 101, 1997, pp. 9463-9475.
Chan et al., “Quantum Dot Bioconjugates for Ultrasensitive Nonisotopic Detection”, Science, vol. 281, 1998, pp. 2016-2018.
Bruchez et al., “Semiconductor Nanocrystals as Fluorescent Biological Labels”, Science, vol. 281, 1998, pp. 2013-2016.
Mattoussi et al., “Self-Assembly of CdSe-ZnS Quantum Dot Bioconjugates Using an Engineered Recombinant Protein”, J. Am. Chem. Soc., vol. 122, 2000, pp. 12142-12150.
Kim et al., “Oligomeric Ligands for Luminescent and Stable Nanocrystal Quantum Dots”, J. Am. Chem. Soc., vol. 125, 2003, pp. 14652-14653.
Dubertret et al., “In Vivo Imaging of Quantum Dots Encapsulated in Phospholipid Micelles”, Science, vol. 298, 2002, pp. 1759-1762.
Wang et al., “Stabilization of Inorganic Nanocrystals by Organic Dendrons”, J. Am. Chem. Soc., vol. 124, 2002, pp. 2293-2298.
Wu et al., “Immunofluorescent labeling of cancer marker Her2 and other cellular targets with semiconductor quantum dots”, Nature Biotechnology, vol. 21, 2003, 41-46.
Guo et al., “Luminescent CdSe/CdS Core/Shell Nanocrystals in Dendron Boxes: Superior Chemical, Photochemical and Thermal Stability”, J. Am. Chem. Soc., vol. 125, 2003, pp. 3901-3909.
Peng et al., “Epitaxial Growth of Highly Luminescent CdSe/CdS Core/Shell Nanocrystals with Photostability and Electronic Accessibility”, J. Am. Chem. Soc., vol. 119, 1997, pp. 7019-7029.
Yu et al., “Experimental Determination of the Extinction Coefficient of CdTe, CdSe, and CdS Nanocrystals”, Chem. Mater., vol. 15, 2003, pp. 2854-2860.
Chan Warren
Fischer Hans
Jiang Wen
Mardyani Sawitra
Birch & Stewart Kolasch & Birch, LLP
Estrada Michelle
Jefferson Quovaunda V
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