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Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

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Class 372/37 - HAVING AN APPLIED MAGNETIC FIELD


Subclass of Class 372 - Coherent light generators
Definition: Subject matter including means for applying a magnetic field
No. of patents: 289
Last issue date: 04/19/2011


1                
NumberTitleIssue Date
7929586Electromagnetically pumped alkali metal vapor cell system
An electromagnetic pumped alkali metal vapor cell system is provided. The system comprises a vapor cell and windings. The vapor cell contains alkali metal and a buffer. The windings are positioned around the vapor cell and are configured to create an electromagnet f...
04/19/2011
7551657Magneto-optoelectronic switch and sensor
A Magneto-Optoelectronic Device MOD (10) includes a magnetic sensing device (12), such as a magnetoresistive device or a magnetic tunnel junction device, that is combined with a semiconductor light emitter (14), such as a LED or a laser diode, t...
06/23/2009
7440479Magneto-optoelectronic switch and sensor
A Magneto-Optoelectronic Device MOD (10) includes a magnetic sensing device (12), such as a magnetoresistive device or a magnetic tunnel junction device, that is combined with a semiconductor light emitter (14), such as a LED or a laser diode, t...
10/21/2008
7440178Tunable generation of terahertz radiation
A method of tunable generation of terahertz radiation comprising: (A) providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; (B) generating terahertz radiation in the magnon gain medium; and (C) tuning frequency...
10/21/2008
7430074Generation of Terahertz waves
A method of THz photon generation comprising: providing a magnon gain medium; wherein the magnon gain medium supports generation of nonequilibrium magnons; and injecting nonequilibrium electrons into the magnon gain medium. Propagation of nonequilibrium electrons in...
09/30/2008
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
7368741Extreme ultraviolet light source
The present invention provides a reliable, high-repetition rate, production line compatible high energy photon source. A very hot plasma containing an active material is produced in vacuum chamber. The active material is an atomic element having an emission line wit...
05/06/2008
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
7365351Systems for protecting internal components of a EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
04/29/2008
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
7361918High repetition rate laser produced plasma EUV light source
An EUV light source apparatus and method are disclosed, which may comprise a pulsed laser providing laser pulses at a selected pulse repetition rate focused at a desired target ignition site; a target formation system providing discrete targets at a selected interva...
04/22/2008
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
RE40184Refractive surgery and presbyopia correction using infrared and ultraviolet lasers
A method and surgical technique for corneal reshaping and for presbyopia correction are provided. The preferred embodiments of the system consists of a scanner, a beam spot controller and coupling fibers and the basic laser having a wavelength of (190-310) nm, (0.5-...
03/25/2008
7323703EUV light source
An apparatus and method is described which may comprise a plasma produced extreme ultraviolet (“EUV”) light source multilayer collector which may comprise a plasma formation chamber; a shell within the plasma formation chamber in the form of a collector shape ha...
01/29/2008
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
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
7317196LPP EUV light source
An apparatus and method is described for effectively and efficiently providing plasma irradiation laser light pulses in an LPP EUV light source which may comprise a laser initial target irradiation pulse generating mechanism irradiating a plasma initiation target wi...
01/08/2008
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
7295591Long-pulse pulse power system for gas discharge laser
A long pulse pulse power system for gas discharge lasers. The system includes a sustainer capacitor for accepting a charge from a high voltage pulse power source. A peaking capacitor with a capacitance value of less than half the sustainer capacitance provides the h...
11/13/2007
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
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
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
7247870Systems for protecting internal components of an EUV light source from plasma-generated debris
Systems and methods are disclosed for protecting an EUV light source plasma production chamber optical element surface from debris generated by plasma formation. In one aspect of an embodiment of the present invention, a shield is disclosed which comprises at least ...
07/24/2007
7244997Magneto-luminescent transducer
An electronic system includes a three terminal device having a light emitting portion and a magnetically sensitive portion. The magnetically sensitive portion is for modulating light emission from the light emitting portion. The device is a spin valve transistor hav...
07/17/2007
7230964Lithography laser with beam delivery and beam pointing control
The present invention provides a modular high repetition rate ultraviolet gas discharge laser light source with a beam delivery to a production line machine. The system includes an enclosed and purged beam path with beam pointing control for delivery the laser beam ...
06/12/2007
7230959Tunable laser with magnetically coupled filter
Laser apparatus and methods that permit actuation of a tuning element via a magnetically coupled drive assembly, and which provide for isolation of contamination-sensitive optical surfaces within a hermetically sealed enclosure with a magnetically coupled drive asse...
06/12/2007
7218661Line selected Ftwo chamber laser system
An injection seeded modular gas discharge laser system capable of producing high quality pulsed laser beams at pulse rates of about 4,000 Hz or greater and at pulse energies of about 5 mJ or greater. Two separate discharge chambers are provided, one of which is a pa...
05/15/2007
7217941Systems and methods for deflecting plasma-generated ions to prevent the ions from reaching an internal component of an EUV light source
A system is disclosed for protecting an internal EUV light source component from ions generated at a plasma formation site. In one aspect, the system may comprise a plurality of foil plates and an arrangement for generating a magnetic field to deflect ions into one ...
05/15/2007
7217940Collector for EUV light source
A method and apparatus for debris removal from a reflecting surface of an EUV collector in an EUV light source is disclosed which may comprise the reflecting surface comprises a first material and the debris comprises a second material and/or compounds of the second...
05/15/2007
7209507Method and apparatus for controlling the output of a gas discharge MOPA laser system
A method and apparatus are disclosed for controlling the output of a two chamber gas discharge laser comprising an oscillator gas discharge laser and an amplifier gas discharge laser that may comprise establishing a multidimensional variable state space comprising a...
04/24/2007
7203216Timing control for two-chamber gas discharge laser system
Feedback timing control equipment and process for an injection seeded modular gas discharge laser. A preferred embodiment is a system capable of producing high quality pulsed laser beams at pulse rates of about 4,000 Hz or greater and at pulse energies of about 5 to...
04/10/2007
7196342Systems and methods for reducing the influence of plasma-generated debris on the internal components of an EUV light source
Systems and methods are disclosed for reducing the influence of plasma generated debris on internal components of an EUV light source. In one aspect, an EUV meteorology monitor is provided which may have a heater to heat an internal multi-layer filtering mirror to a...
03/27/2007
7193228EUV light source optical elements
Apparatus and methods are disclosed for forming plasma generated EUV light source optical elements, e.g., reflectors comprising MLM stacks employing various binary layer materials and capping layer(s) including single and binary capping layers for utilization in pla...
03/20/2007
7190707Gas discharge laser light source beam delivery unit
A beam delivery unit and method of delivering a laser beam from a laser light source for excimer or molecular fluorine gas discharge laser systems in the DUV and smaller wavelengths is disclosed, which may comprise: a beam delivery enclosure defining an output laser...
03/13/2007
7180083EUV light source collector erosion mitigation
An EUV light source collector erosion mitigation system and method is disclosed which may comprise a collector comprising a multilayered mirror collector comprising a collector outer surface composed of a capping material subject to removal due to a removing interac...
02/20/2007
7180081Discharge 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...
02/20/2007
7167499Very high energy, high stability gas discharge laser surface treatment system
A gas discharge laser crystallization apparatus and method for performing a transformation of a crystal makeup or orientation in the substrate of a workpiece is disclosed which may comprise, a multichamber laser system comprising, a first laser unit comprising, a fi...
01/23/2007
7164144EUV light source
A laser produced plasma (“LPP”) extreme ultraviolet (“EUV”) light source control system comprises a target delivery system adapted to deliver moving plasma initiation targets and an EUV light collection optic having a focus defining a desired plasma initiati...
01/16/2007
7154928Laser output beam wavefront splitter for bandwidth spectrum control
Apparatus/method providing bandwidth control in narrow band short pulse duration gas discharge laser output light pulse beam producing systems, producing a beam comprising pulses at selected pulse repetition races, e.g., comprising a dispersive bandwidth selection o...
12/26/2006
7154925Gas laser oscillator
A gas laser oscillator of easy maintenance which is capable of switching a beam mode at high speed. Electric discharge sections in which gas medium is flown are formed in an optical resonating space in an electric discharge tube between a rear mirror and an output m...
12/26/2006
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