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Patent No. 6266829

Combination Beverage Container and Spittoon

A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.

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Class 136/255 - Schottky, graded doping, plural junction or special junction geometry


Subclass of Class 136 - Batteries: thermoelectric and photoelectric
Definition: Device which includes a free metal semiconductor junction,
No. of patents: 619
Last issue date: 05/29/2012


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NumberTitleIssue Date
8188365Electrode paste for solar cell, solar cell using the paste, and fabrication method of the solar cell
An electrode paste for a solar cell, a solar cell electrode using the paste, a solar cell having such an electrode, and a fabrication method of the solar cell are described. The paste for a solar cell electrode comprises a first component that includes silver (Ag) o...
05/29/2012
8158880Thin-film photovoltaic structures including semiconductor grain and oxide layers
Photovoltaic structures for the conversion of solar irradiance into electrical free energy. In a particular implementation, a photovoltaic cell includes a granular semiconductor and oxide layer with nanometer-size absorber semiconductor grains surrounded by a matrix...
04/17/2012
8153888Lateral ultra-high efficiency solar cell
A high-efficiency lateral multi-junction solar cell (C) includes ultra-low profile planar spectral band splitting micro-optics having a shortpass filter (48) reflecting desired frequencies of light (24) to a reflective mirror (58) combined with ...
04/10/2012
8153887Method and structure for hydrogenation of silicon substrates with shaped covers
Method and structure for hydrogenation of silicon substrates with shaped covers. According to an embodiment, the present invention provides a method for fabricating a photovoltaic material. The method includes providing a semiconductor substrate. The method also inc...
04/10/2012
8148628Solar cell receiver for concentrator modules
A solar cell receiver comprising a III-V compound semiconductor solar cell and a diode mounted on a board including a connector for electrically connecting to adjacent receivers. The diode is connected in parallel with the solar cell, for reverse biasing the diode a...
04/03/2012
8143513Solar cell with superlattice structure and fabricating method thereof
A solar cell with a superlattice structure and a fabricating method thereof are provided, which includes fabricating a superlattice structure of GaAsN/GaInAs, GaAsN/GaSbAs, or GaAsN/GaInSbAs between a base and an emitter of a middle cell of a triple junction solar c...
03/27/2012
8129612Method for manufacturing single-crystal silicon solar cell and single-crystal silicon solar cell
There is disclosed a method for manufacturing a single-crystal silicon solar cell including the steps of: implanting a hydrogen ion or a rare gas ion into a single-crystal silicon substrate; forming a transparent insulator layer on a metal substrate; performing a su...
03/06/2012
8129613Photovoltaic cell comprising a thin lamina having low base resistivity and method of making
Fabrication of a photovoltaic cell comprising a thin semiconductor lamina may require additional processing after the semiconductor lamina is bonded to a receiver. To minimize high-temperature steps after bonding, the p-n junction is formed at the back of the cell, ...
03/06/2012
8119903Method of manufacturing single crystal silicon solar cell and single crystal silicon solar cell
There is disclosed a single crystal silicon solar cell includes the steps of: implanting hydrogen ions or rare gas ions to a single crystal silicon substrate; performing surface activation on at least one of an ion-implanted surface of the single crystal silicon sub...
02/21/2012
8119904Silicon wafer based structure for heterostructure solar cells
A multi-junction photovoltaic device includes a silicon substrate and a dielectric layer formed on the silicon substrate. A germanium layer is formed on the dielectric layer. The germanium includes a crystalline structure that is substantially similar to the crystal...
02/21/2012
8106289Hybrid photovoltaic device
A hybrid photovoltaic device comprising a plurality of nanostructures embedded in a matrix of a photosensitive material including one or more layers. A combination of innovative structural aspects of the hybrid photovoltaic device results in significant improvements...
01/31/2012
8106290Method for manufacturing single crystal silicon solar cell and single crystal silicon solar cell
A method for manufacturing a single crystal silicon solar cell includes implanting either hydrogen ions or rare-gas ions into a single crystal silicon substrate; bringing the single crystal silicon substrate in close contact with a transparent insulator substrate vi...
01/31/2012
8088992Solar cell receiver having an insulated bypass diode
A solar cell receiver comprising a solar cell having one or more III-V compound semiconductor layers, a diode coupled in parallel with the solar cell and operable to be forward-biased in instances when the solar cell is not generating above a threshold voltage, a co...
01/03/2012
8088991Three-terminal two-junction photovoltaic cells and method of use
A method of operating a multi-junction photovoltaic cell with junctions connected in series includes operating each junction at a different, respective maximum power point. A photovoltaic circuit includes: at least one multi-junction photovoltaic cell, comprising at...
01/03/2012
8084682Multiple band gapped cadmium telluride photovoltaic devices and process for making the same
A heterojunction photovoltaic device for the production of electrical energy in response to the incident light includes an optically transparent substrate, a front contact formed of an transparent conductive oxide for collecting light generated charge carriers, an n...
12/27/2011
8039734Electrode paste for solar cell, solar cell using the paste, and fabrication method of the solar cell
An electrode paste for a solar cell, a solar cell electrode using the paste, a solar cell having such an electrode, and a fabrication method of the solar cell are described. The paste for a solar cell electrode comprises a first component that includes silver (Ag) o...
10/18/2011
8035028Pyramidal three-dimensional thin-film solar cells
A pyramidal three-dimensional thin-film solar cell, comprising a pyramidal three-dimensional thin-film solar cell substrate comprising a plurality of pyramid-shaped unit cells with emitter junction regions and doped base regions, emitter metallization regions and ba...
10/11/2011
8003883Nanowall solar cells and optoelectronic devices
A photovoltaic device that includes a substrate and a nanowall structure disposed on the substrate surface. The device also includes at least one layer conformally deposited over the nanowall structure. The conformal layer(s) is at least a portion of a photoactive j...
08/23/2011
7999175Interdigitated back contact silicon solar cells with laser ablated grooves
Interdigitated back contact (IBC) solar cells are produced by depositing spaced-apart parallel pads of a first dopant bearing material (e.g., boron) on a substrate, heating the substrate to both diffuse the first dopant into corresponding first (e.g., p+) diffusion ...
08/16/2011
7994419Methods for fabricating thin film III-V compound solar cell
The present invention utilizes epitaxial lift-off in which a sacrificial layer is included in the epitaxial growth between the substrate and a thin film III-V compound solar cell. To provide support for the thin film III-V compound solar cell in absence of the subst...
08/09/2011
7977568Multilayered film-nanowire composite, bifacial, and tandem solar cells
A photovoltaic device includes a substrate having at least two surfaces and a multilayered film disposed on at least a portion of at least one surface of the substrate. Elongated nanostructures are disposed on the multilayered film. The device incorporates a top lay...
07/12/2011
7952018Stacked photovoltaic apparatus
A stacked photovoltaic apparatus capable of improving the output characteristics is provided. This stacked photovoltaic apparatus comprises a second power generation unit including a second semiconductor layer having a first refractive index and a third semiconducto...
05/31/2011
7943847Apparatus and methods for solar energy conversion using nanoscale cometal structures
An apparatus and methods for solar conversion using nanoscale cometal structures are disclosed herein. The cometal structures may be coaxial and coplanar. A nanoscale optics apparatus for use as a solar cell comprises a plurality of nanoscale cometal structures each...
05/17/2011
7923625Stacked photovoltaic device and method of manufacturing the same
A back metal electrode, a bottom cell using microcrystalline silicon for a photoelectric conversion layer, a front cell using amorphous silicon for a photoelectric conversion layer, and a transparent front electrode are formed in this order on a supporting substrate...
04/12/2011
7915521Type II quantum dot solar cells
A device comprises a plurality of fence layers of a semiconductor material and a plurality of alternating layers of quantum dots of a second semiconductor material embedded between and in direct contact with a third semiconductor material disposed in a stack between...
03/29/2011
7915520Photoelectric conversion device and manufacturing method thereof
A photoelectric conversion device comprising: a pin-type photoelectric conversion layer constituted of a p-type semiconductor layer, an i-type semiconductor layer and an n-type semiconductor layer, wherein the p-type semiconductor layer contains silicon atoms and ni...
03/29/2011
7906723Compositionally-graded and structurally-graded photovoltaic devices and methods of fabricating such devices
A semiconductor structure is described, including a semiconductor substrate and a semiconductor layer disposed on the semiconductor substrate. The semiconductor layer is both compositionally graded and structurally graded. Specifically, the semiconductor layer is co...
03/15/2011
7902453Edge illumination photovoltaic devices and methods of making same
Edge illumination photovoltaic devices based on multicomponent semiconductors and low cost methods for fabricating such devices are provided. The photovoltaic devices can find application in a variety of photovoltaic and thermophotovoltaic systems including solar co...
03/08/2011
7893347Photovoltaic solar cell
A photovoltaic solar cell (SZ) of improved light-to-current conversion properties is provided with nano emitters (NE) of acicular or rib-like form and are separated from each other at a uniform distance D≦√{square root over (2)}L and penetrating to a penetration...
02/22/2011
7893348Nanowires in thin-film silicon solar cells
In some embodiments, the present invention is directed to photovoltaic (PV) devices comprising silicon (Si) nanowires as active PV elements, wherein such devices are typically thin film Si solar cells. Generally, such solar cells are of the p-i-n type and can be fab...
02/22/2011
7893349Photovoltaic multi-junction wavelength compensation system and method
Systems and methods are disclosed for current loss compensation in multi-junction photovoltaic cells. The use of direct electrical contact with the interconnect layers in a multi-junction PV cell can improve cell efficiency over variable lighting conditions. Electri...
02/22/2011
7880081Limited discharge current propagation solar generator
A solar generator has at least two branches electrically connected in parallel at opposite first and second ends of positive and negative polarity, respectively, each branch comprising one or more photoelectric cells electrically connected in series and having a fir...
02/01/2011
7868247Photovoltaic device
A method of forming a photovoltaic device includes a plurality of quantum wells and a plurality of barriers. The quantum wells and barriers are disposed on an underlying layer. The barriers alternate with the quantum wells. One of the plurality of quantum wells and ...
01/11/2011
7863518Photovoltaic device
A photovoltaic device capable of improving output characteristics is provided. This photovoltaic device comprises a crystalline semiconductor member, a substantially intrinsic first amorphous semiconductor layer formed on the front surface of the crystalline semicon...
01/04/2011
7858876Graphite-based photovoltaic cells
The present invention uses lithographically patterned graphite stacks as the basic building elements of an efficient and economical photovoltaic cell. The basic design of the graphite-based photovoltaic cells includes a plurality of spatially separated graphite stac...
12/28/2010
7851697Thin film photovoltaic device
The present invention provides a thin film photovoltaic device and a method of forming a thin film photovoltaic device. The thin film photovoltaic device has a substrate, a thin film layer formed on the substrate and first and second electrodes formed on one side of...
12/14/2010
7851698Trench process and structure for backside contact solar cells with polysilicon doped regions
A solar cell includes polysilicon P-type and N-type doped regions on a backside of a substrate, such as a silicon wafer. An interrupted trench structure separates the P-type doped region from the N-type doped region in some locations but allows the P-type doped regi...
12/14/2010
7838761Method for manufacturing solar cell and solar cell manufactured by the method
A method for manufacturing a solar cell includes (S1) forming, on a first conductive semiconductor substrate, a second conductive semiconductor layer having an opposite conduction type by means of ion implantation to form a pn junction in an interface thereof...
11/23/2010
7812250Trench process and structure for backside contact solar cells with polysilicon doped regions
A solar cell includes polysilicon P-type and N-type doped regions on a backside of a substrate, such as a silicon wafer. A trench structure separates the P-type doped region from the N-type doped region. Each of the P-type and N-type doped regions may be formed over...
10/12/2010
7812249Multijunction photovoltaic cell grown on high-miscut-angle substrate
The present invention provides a photovoltaic cell comprising a GaInP subcell comprising a disordered group-III sublattice, a Ga(In)As subcell disposed below the GaInP subcell, and a Ge substrate disposed below the Ga(In)As subcell comprising a surface misoriented f...
10/12/2010
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