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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 372/87 - Having particular electrode structure


Subclass of Class 372 - Coherent light generators
Definition: Subject matter in which at least one electrode has particular
No. of patents: 584
Last issue date: 02/21/2012


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NumberTitleIssue Date
8121169Split control of front and rear DBR grating portions
A method is provided for controlling a DBR laser diode wherein front and rear DBR section heating elements are controlled such that the reflectivity of the rear grating portion of the DBR section is lower than the reflectivity of the front grating portion of the DBR...
02/21/2012
8059691Nitride semiconductor laser device and method of producing the same
A method of producing a nitride semiconductor laser device includes forming a wafer including a nitride semiconductor layer of a first conductivity type, an active layer of a nitride semiconductor, a nitride semiconductor layer of a second conductivity type, and an ...
11/15/2011
7924901Surface emitting laser including a metal film having a periodic fine structure
A surface emitting laser comprises an underlayer, an active layer formed on the underlayer, a slab layer formed on the active layer and having a photonic crystal structure optically combined with the active layer, and a metal thin film formed on the slab layer and h...
04/12/2011
7881359Surface-emission semiconductor laser device
A surface-emitting semiconductor laser device includes a semi-insulating substrate, a layer structure with a bottom multilayer reflector, an n-type cladding layer, an active layer structure for emitting laser, a p-type cladding layer and a top multilayer reflector w...
02/01/2011
7856044Extendable electrode for gas discharge laser
Disclosed herein are systems and methods for extending one or both of the discharge electrodes in a transverse discharge gas laser chamber in which one or both the electrodes are subject to a dimensional change due to erosion. Electrode extension can be performed to...
12/21/2010
7826512Semiconductor laser device including transparent electrode
It is an object of the present invention to provide a semiconductor laser device with high-yielding in which a clack generated in an epitaxial growth layer is restrained and to the manufacturing method thereof, the semiconductor laser device includes a GaN substrate...
11/02/2010
7804879Gas laser electrodes shaped in the longitudinal axis
A gas discharge laser includes elongated discharge electrodes having an active surface width that varies along the length of the resonator. In one example each of the electrodes is formed by a row of pins having a circular active surface. The pins are diametrically ...
09/28/2010
7804878Nitride semiconductor laser device and method of producing the same
A method of producing a nitride semiconductor laser device includes: forming a wafer including a nitride semiconductor layer of a first conductivity type, an active layer of a nitride semiconductor, a nitride semiconductor layer of a second conductivity type, and an...
09/28/2010
7804880Nitride semiconductor laser device and nitride semiconductor laser apparatus
In one embodiment of the present invention, a long-life nitride semiconductor laser element is disclosed wherein voltage characteristics do not deteriorate even when the element is driven at high current density. Specifically disclosed is a nitride semiconductor las...
09/28/2010
7756184Electrodes for generating a stable discharge in gas laser system
Arcing is minimized in a discharge chamber of a gas laser system by utilizing an electrode which comprises a surface portion capable of functioning as one of an anode and a cathode in order to energize a gas mixture in a discharge chamber of the gas discharge laser ...
07/13/2010
7720127Opto-semiconductor devices
An opto-semiconductor device. An opto-semiconductor element includes a semiconductor substrate, a multilayered semiconductor layer formed on a first surface of the semiconductor substrate and having a resonator, a first electrode with multiple conductive layers form...
05/18/2010
7684459Semiconductor laser apparatus and fabrication method of the same
There is provided a semiconductor laser apparatus. An electrode of a semiconductor laser diode is bonded via a die attach and the electrode of the semiconductor laser diode includes Au and at least one of materials that compose the die attach except Au, in advance.
03/23/2010
7653114Semiconductor laser diode and the manufacturing method thereof
A multibeam semiconductor laser diode having: an n-type semiconductor substrate; an n-type clad layer, an active layer, a p-type clad layer and a contact layer; a plurality of partitioning grooves extending from one end to the other end of the substrate and formed f...
01/26/2010
7643531Optical semiconductor element including photodetecting element with comb-tooth structure
An optical semiconductor element includes: a surface-emitting type semiconductor laser that emits laser light; a photodetecting element formed above the surface-emitting type semiconductor; a first electrode of a first polarity formed on the surface-emitting type se...
01/05/2010
7535948Cathodes for fluorine gas discharge lasers
A fluorine gas discharge laser electrode for a gas discharge laser having a laser gas containing fluorine is disclosed which may comprise a copper and copper alloy cathode body having an upper curved region containing the discharge footprint for the cathode comprisi...
05/19/2009
7477673Arrangement for generating extreme ultraviolet radiation based on an electrically operated gas discharge
The object of the invention in an arrangement for generating extreme ultraviolet radiation based on an electrically operated gas discharge is to reduce the time required for charging the electrodes by reducing the inductance of the discharge circuit. A high-voltage ...
01/13/2009
7450625Optical element and method for manufacturing the same
An optical element includes a columnar section having an upper surface from which light is emitted or upon which light is incident, and an electrode composed of a plurality of layers including at least a first conductive layer and a second conductive layer laminated...
11/11/2008
7443901Opto-semiconductor devices
An opto-semiconductor device. An opto-semiconductor element includes a semiconductor substrate, a multilayered semiconductor layer formed on a first surface of the semiconductor substrate and having a resonator, a first electrode with multiple conductive layers form...
10/28/2008
7421002Laser-induced optical wiring apparatus
A laser-induced optical wiring apparatus includes a substrate, first and second light-reflecting members provided on the substrate separately from each other, an optical waveguide provided on the substrate for optically coupling the first and second light-reflecting...
09/02/2008
7382813Surface-emitting type semiconductor laser and method for manufacturing the same
A surface-emitting type semiconductor laser includes a first mirror, an active layer formed above the first mirror, a second mirror formed above the active layer, a first electrode formed above the second mirror, and a second electrode formed above the first electro...
06/03/2008
7379487Two phase reactor
A two phase reactor includes a source of liquid reactant and a source of gas reactant. A chamber has an inlet coupled to the source of gas reactant and a flat jet nozzle coupled to the source of the liquid reactant. ...
05/27/2008
7372056LPP EUV plasma source material target delivery system
An EUV light generation system and method is disclosed that may comprise a droplet generator producing plasma source material target droplets traveling toward the vicinity of a plasma source material target irradiation site; a drive laser; a drive laser focusing opt...
05/13/2008
7369597Laser output light pulse stretcher
Providing a high peak power short pulse duration gas discharge laser output pulse comprises a pulse stretcher a laser output pulse optical delay initiating optic diverting a portion of the output laser pulse into an optical delay having an optical delay path and com...
05/06/2008
7369592Semiconductor laser device
A semiconductor laser device comprises: an active layer; a cladding layer of a first conductivity type; an insulating film; a first electrode; and a pad electrode provided on the first electrode. The cladding layer is provided above the active layer, and has a ridge...
05/06/2008
7365349EUV light source collector lifetime improvements
An apparatus and method for cleaning a plasma source material compound from a plasma produced EUV light source collector optic which may comprise reacting the plasma source material compound with hydrogen to form a hydride of the plasma source material from the plas...
04/29/2008
7356064Polarization switching and control in vertical cavity surface emitting lasers
A fast current-controlled polarization switching VCSEL with two independent intra-cavity p-contact electrodes and two independent intra-cavity n-contact electrodes positioned along the four sides of the symmetric aperture such that there are two independent p- and n...
04/08/2008
7355191Systems and methods for cleaning a chamber window of an EUV light source
Systems and methods are disclosed for cleaning a chamber window of an extreme ultraviolet (EUV) light source. The window may have an inside surface facing a chamber interior and an opposed outside surface and the light source may generate debris by plasma formation....
04/08/2008
7339973Electrodes for fluorine gas discharge lasers
Fluorine gas discharge laser electrodes and electrode systems that may comprise a plurality of current return tangs extending for less than the respective length of the second elongated gas discharge electrode. In addition electrodes may comprise a first discharge s...
03/04/2008
7321607External optics and chamber support system
A gas discharge laser and method of operating same is disclosed which may comprise a gas discharge laser chamber support structure comprising a first support arm attached to a mounting table; a gas discharge laser chamber slideably engaging the first support arm; an...
01/22/2008
7317536Spectral bandwidth metrology for high repetition rate gas discharge lasers
A bandwidth meter apparatus and method for measuring the bandwidth of a spectrum of light emitted from a laser input to the bandwidth meter which may comprise an optical bandwidth monitor providing a first output representative of a first parameter which is indicati...
01/08/2008
7317179Systems and methods to shape laser light as a homogeneous line beam for interaction with a film deposited on a substrate
Systems and methods are disclosed for shaping and homogenizing a laser beam for interaction with a film. The shaping and homogenizing system may include a lens array and a lens that is positioned to receive laser light from the lens array and produce a respective el...
01/08/2008
7305016Laser diode package with an internal fluid cooling channel
A laser diode assembly has a laser diode. The laser diode has an emitting surface and a reflective surface opposing the emitting surface. The laser diode has first and second side surfaces between the emitting and reflective surfaces. A first electrically-insulating...
12/04/2007
7305019Excimer laser with electron emitters
An apparatus, system, and method for an excimer laser having lasing gas and electron emitters emitting electrons upon the application of an emitting voltage is described herein. ...
12/04/2007
7301980Halogen gas discharge laser electrodes
A gas discharge laser includes a laser chamber containing a halogen laser gas, two electrode elements defining a cathode and an anode, each having a discharge receiving region defining two longitudinal edges and having a region width defining a width of an electric ...
11/27/2007
7291853Discharge produced plasma EUV light source
An DPP EUV source is disclosed which may comprise a debris mitigation apparatus employing a metal halogen gas producing a metal halide from debris exiting the plasma. The EUV source may have a debris shield that may comprise a plurality of curvilinear shield members...
11/06/2007
7281492System and method for generating a discharge in gases
A method of generating an electrical discharge in a gas contained in a sealed enclosure. The method includes driving a helical coil resonator at an RF frequency to generate an RF electric-magnetic field sufficient to generate an electrical discharge in the high pres...
10/16/2007
7277188Systems and methods for implementing an interaction between a laser shaped as a line beam and a film deposited on a substrate
Systems and methods are disclosed for focusing a beam for an interaction with a film deposited on a substrate wherein the focused beam defines a short axis and a long axis. In one aspect, the system may include a detecting system to analyze light reflected from the ...
10/02/2007
7277464Method and apparatus for controlling the output of a gas discharge laser system
The present invention relates to a fluorine gas discharge laser system and control of replenishment of fluorine gas as the gas discharge laser operates and consumes fluorine. ...
10/02/2007
7274722COslab laser
CO2 slab laser having a gas-filled tubular housing, sealed off at both ends by end pieces, which accommodates two overlapping electrodes extending into the tubular housing and mirrors arranged in the region of the electrodes, where each of the two end pie...
09/25/2007
7266137Laser gas replenishment method
Output beam parameters of a gas discharge laser are stabilized by maintaining a molecular fluorine component at a predetermined partial pressure using a gas supply unit and a processor. The molecular fluorine is subject to depletion within the discharge chamber. Gas...
09/04/2007
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