Appeal No. 96-3684
Application 08/318,034
The Claimed Subject Matter
The claims on appeal are directed to an encapsulated quantum sized doped semiconductor material.
On page 4 of the brief, appellants state that “[c]laims 10-23 are patentable for similar reasons and stand
together.” We interpret this statement to mean that the claims on appeal stand or fall together.
Accordingly, we will limit our consideration to claim 10, the broadest independent claim, which reads as
follows:
10. A chemically doped precipitated particle of semiconductor material of less
than 100D in diameter encapsulated with a surfactant, the surfactant maintaining a quantum
confinement of said particle and further providing a surface passivation of said particle, the
dopant concentration of said particle being 0.05 - 1.0%.
References of Record
The following references of record are relied upon by the examiner as evidence of obviousness:
Enoki et al. (Enoki) 4,029,604 Jun. 14, 1977
Hilsum et al. (Hilsum) 4,137,481 Jan. 30, 1979
Herron et al. (Herron) 5,110,505 May 5, 1992
Weller et al. (Weller), “Photochemistry of Colloidal Metal Sulfides. 7. Absorption and
Fluorescence of Extremely Small ZnS Particles (The World of the Neglected Dimen-
sions),” Ber. Bunsenges. Phys. Chem., Vol. 88, pp. 649-656 (1984).
Zhao et al. (Zhao), “Size Quantization in Semiconductor Particulate Films,” J. Phys. Chem., Vol.
95, pp. 3716-3723 (1991).
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