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ion patent

Laura HorcajadaLaura Horcajada

Negative ion generator

A negative ion generator, in which metals or alloys different from each other in ionization tendency are brought into contact with each other to accelerated the corrosion of the metal or alloy with higher ionization tendency. Here, the presence of a neutral solution therebetween serves to accelerated the corrosion. The corroded metal or alloy is in turn ionized to generate metal ion and free electron, with the metal ion reacting with a hydroxide or the like in the neutral solution to become precipitated and the free electron being absorbed through the surface of men or animals to attain useful effects.

Publication number: WO8403634A1 | Search similar patents

Method for generating an ion current in a hair shaping or care appliance

A method is used to generate an ion current in a hair shaping or care appliance which comprises an ionization apparatus (7) having at least one high voltage generator (4) and at least one electrode connected to the high voltage generator (4). For this purpose, during the ionization process, an ion current having a first polarity of the ions thereof is provided for supplying ions to the hair to be cared for or shaped, and said ion current is intermittently interrupted, and during the interrupted time an ion current comprising ions having a second polarity which is opposite of the first polarity is generated.

Publication number: WO2010043246A1 | Search similar patents

Method for determining molecular weight using multiply charged ions

A production of mass spectra which contain a multiplicity of peaks. The component ions of these peaks, which are multiply charged, are formed by dispersing a solution containing an analyte into a bath gas as highly charged droplets. The analyte is generally a compound of high molecular weight and is of biochemical interest. The methods calculate the molecular weight of the analyte from the measured mass values of the highly charged ions.RIGHTS STATEMENTThe U.S. Government has a paid-up license to this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Grant No. 2R01 GM31660-04A1 awarded by the National Institutes of Health.The present application is a divisional of application No. 07/911,405, filed Jul. 10, 1992, now abandoned, which is a divisional of application No. 07/773,776, filed Oct. 10, 1991 (Pat. No. 5,130,538), which is a continuation of application No. 07/683,105 filed Apr. 10, 1991 (abandoned), which is a continuation of application No. 07/354,393, filed May 19, 1989 (abandoned).

Publication number: US5581080A | Search similar patents

Method for producing a monatomic beam of ground-state atoms

An electron beam is directed into a first region containing gaseous molecules which capture electrons from the beam and then dissociate to produce negative ions. The ions are accelerated to the desired energy electrostatically and drawn to a second region where they are exposed to an intra-cavity laser beam which traverses their path. The laser is chosen to have a wevelength which will cause photodetachment of electrons to form neutral atoms. Simultaneously with the above, the electron beam and ions are collimated with a magnetic field. The neutral atoms are separated from any remaining ions or electrons by a repelling electrical potential provided by a repeller plate or the like.This is a division of application Ser. No. 07/445,082 filed Nov. 30, 1989 now U.S. Pat. No. 4,975,572, which is a continuation of Ser. No. 07/117,113, filed Nov. 4, 1987 (abandoned).

Publication number: US5102516A | Search similar patents

Method of producing multiply charged ions and for determining molecular

This invention describes the production of mass spectra which contain a multiplicty of peaks. The component ions of these peaks, which are multiply charged, are formed by dispersing a solution containing an analyte into a bath gas as highly charged droplets. The analyte is generally a compound of high molecular weight and is of biochemical interest. The invention also describes methods for calculating the molecular weight of the analyte from the measured mass values of the highly charged ions.RIGHTS STATEMENTThe U.S. Government has a paid-up license to this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Grant No. 2RO1 GM31660-04A1 awarded by the National Institutes of Health.This is a file wrapper continuation application of application Ser. No. 07/683,105, filed Apr. 10, 1991, which is a file wrapper continuation application of Ser. No. 07/354,393 filed May 19, 1989, both now abandoned.

Publication number: US5130538A | Search similar patents

Apparatus for producing a monatomic beam of ground-state atoms

An electron beam is directed into a first region containing gaseous molecules which capture electrons from the beam and then dissociate to produce negative ions. The ions are accelerated to the desired energy electrostatically and drawn to a second region where they are exposed to an intra-cavity laser beam which traverses their path. The laser is chosen to have a wavelength which will cause photodetachment of electrons to form neutral atoms. Simultaneously with the above, the electron beam and ions are collimated with a magnetic field. The neutral atoms are separated from any remaining ions or electrons by a repelling electrical potential provided by a repeller plate or the like.This is a continuation of copending application serial number 07/117,113 filed Nov. 4, 1987.

Publication number: US4975572A | Search similar patents

Lithium ion capacitor and method for charging and discharging same

The present invention is equipped with a positive electrode, a negative electrode, a separator, and a lithium-ion-conductive liquid electrolyte. The positive electrode contains a positive electrode active material. The negative electrode contains a negative electrode active material. The separator is interposed between the positive electrode and the negative electrode. The liquid electrolyte contains a lithium salt, and an ionic liquid. The lithium salt is a salt of a lithium ion that is a first cation and a first anion. The ionic liquid is a molten salt of a second cation and a second anion. The first anion and the second anion are identical.

Publication number: WO2014148250A1 | Search similar patents

Multiply charged ions and a method for determining the molecular weight of large molecules

This invention describes the production of mass spectra which contain a multiplicty of peaks. The component ions of these peaks, which are multiply charged, are formed by dispersing a solution containing an analyte into a bath gas as highly charged droplets. The analyte is generally a compound of high molecular weight and is of biochemical interest. The invention also describes methods for calculating the molecular weight of the analyte from the measured mass values of the highly charged ions.

Publication number: EP0434792A4 | Search similar patents

Ion source for electron transfer dissociation and deprotonation

In mass spectrometric analysis equipment, highly charged analyte fragment ions are obtained by electron transfer dissociation of highly charged analyte ions by radical anions and the dissociation products are then deprotonated with non-radical anions. Both the radical anions for electron transfer dissociation and the non-radical anions for deprotonation are produced in a single ion source from a single substance, or a single mixture of substances by adjusting the electrical operating parameters of the ion source.

Publication number: US7582862B2 | Search similar patents

Method and device for cluster fragmentation

A method for cluster fragmentation comprises the production of at least one cluster which contains a carrier substance and the fragmentation of the cluster into cluster fragments, with the cluster being loaded before the fragmentation with at least one reaction partner and the reaction partner being part of at least one cluster fragment after the fragmentation. A cluster beam system for performing the method, and applications of the cluster fragmentation for analysis and purification of surfaces, for analysis of clusters, and for the operation of ion thrusters are also described.

Publication number: WO0108196A2 | Search similar patents

Ion implantation apparatus

An ion source capable of generating only a monoatomic ion is used as an ion source, and a gas supplying section is provided between a first mass spectrograph and a second mass spectrograph. In order to irradiate a cluster molecule ion, a polyatomic molecule gas is introduced into the gas supplying section. Then, electric charges are exchanged between the monoatomic ion generated at the ion source and a polyatomic molecule gas introduced into the gas supplying section, so that the cluster molecule ion is generated. Thus, the cluster molecule ion is dissociated at the second mass spectrograph. In order to irradiate a monoatomic ion beam, a monoatomic ion generated at the ion source is irradiated without introducing a gas into the gas supplying section.

Publication number: US2006017012A1 | Search similar patents

Electric field separator device and process

A process and device is provided for the separation of electronegative molecules from non electronegative molecules using electric fields. The molecules are ionized in a non thermal discharge plasma which produces negative and positive ions of the electronegative and non electronegative molecules. The ions are spatially separated by an average DC electric field. A means to filter is disposed in the path of the separated ions and it allows ions to pass through more easily than uncharged molecules. After the ions pass through the filter they are electrically neutralized back to uncharged molecules.

Publication number: US2009302212A1 | Search similar patents

Process for the production of electric energy by the excitation and capture of electrons from ground or water sources

The process of the present application facilitates the production of electric energy by the excitation and capture of electrons from atoms, molecules and ions from ground or water sources, or any other form of matter that can be passed along the surface or through the electron extraction assembly. The electrons are captured, collected, isolated and controlled for distribution as electric energy. It is an energy efficient process for the capture of electrons and for the production of electric energy. These results are accomplished by the excitation and capture of electrons from the object particles by electrically charged components in an electric field. It can operate continuously without interruption. Through the subject process, electric energy can be supplied individually to each structure, community or demand location allowing independence from any other energy source. It can be scaled to accommodate the electric energy requirements of many implementations and utilizations that extend from the national power grid to portable units and units fitted to stationary or portable appliances, devices, apparatus and vehicles.

Publication number: US8710457B1 | Search similar patents

Ion fragmentation by electron transfer in ion traps

The invention relates to a method and instrument for the fragmentation of large molecular analyte ions, preferably biopolymer ions, by reactions between multiply charged positive analyte ions and negative reactant ions in RF quadrupole ion traps. Some of these reactions involve electron transfer reactions with subsequent dissociation of the biopolymer analyte ions, and some involve the loss of a proton, leading to stable product ions. The invention can use any type of ion traps, particularly three-dimensional RF quadrupole ion traps, for the reactions between positive and negative ions. The fragmentation yield can be increased because ions that remain stable as radical cations after transfer of an electron are further fragmented by collisionally induced fragmentation, forming fragment ions that are typical of electron transfer, and not those typical of collisionally induced fragmentation. The invention preferentially introduces positive ions and negative ions into the ion trap sequentially through the same aperture.

Publication number: US2006186331A1 | Search similar patents

Mass analyzer

In an ion source for negative chemical ionization, the total opening area of an electron incident port (5), an electron outgoing port (6), and an ion outgoing port (9) is set in the range of 1.5 to 2 mm2. According to the above constitution, the hermetical sealing properties of an ionization chamber can be properly maintained, a satisfactory quantity of thermoelectrons, which ionize reactive gas molecules, can also be introduced into the ionization chamber, and sample molecule ions produced within the ionization chamber can be efficiently taken out, whereby the signal intensity detected by the detector can be enhanced.

Publication number: WO2007102204A1 | Search similar patents

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