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| Number | Title | Issue Date |
| 6906460 | Device and method for retaining mercury source in low-pressure discharge lamps A device for retaining a mercury source in the discharge space of a low-pressure discharge lamp is disclosed. The mercury source retaining device comprises a holder, which has an inner space communicating with the discharge space and a receiver opening for receiving... | 06/14/2005 |
| 6813490 | Mobile station with audio signal adaptation to hearing characteristics of the user A method and apparatus for increasing the intelligibility of speech signals received by mobile stations via adapting some of the acoustic parameters of speech in the frequency domain. The mobile station may have the capability to modify speech signal parameters to c... | 11/02/2004 |
| 6478934 | Motorized frame for adjusting the interelectrodic gap in mercury cells The invention concerns a motorized device for adjusting the interelectrodic gap in mercury cathode electrolysis cells, mainly consisting of a frame, to which a number of anodes are suspended, movable in the vertical direction by means of a single jackscre... | 11/12/2002 |
| 6368487 | Electrolytic cell for producing an alkali metal An electrolytic cell comprises an agitated, alkali metal amalgam-containing anode, an alkali metal ion-conducting solid electrolyte and a cathode, wherein the solid electrolyte and the cathode are separated from one another by a liquid electrolyte.... | 04/09/2002 |
| 6287448 | Electrochemical production of lithium using a lithium amalgam anode A process for producing metallic lithium starting from an aqueous solution of at least one lithium salt comprises the following steps: (I) Production of a lithium amalgam from an aqueous solution of at least one lithium salt; and (II) Electrolysis using an ano... | 09/11/2001 |
| 6251235 | Apparatus for forming an electrical contact with a semiconductor substrate The present invention is directed to an apparatus for plating a surface of a semiconductor workpiece (wafer, flat panel, magnetic films, etc.) using a liquid conductor that makes contact with the outer surface of the workpiece. The liquid conductor is sto... | 06/26/2001 |
| 6068740 | System for adjusting anode-cathode spacing in a mercury-cathode electrolytic cell An electrode carrying frame drive system for mercury-cathode electrolytic cells. The drive system is made up of a plurality of electrode carrying frames (20) each of which is associated with two crosspieces (12) each with two inclined surfaces (13) on whi... | 05/30/2000 |
| 5389026 | Method of producing metallic microscale cold cathodes Microscale cold cathodes include a metallic emitter tip with a very sharp end. The microscale cold cathodes are manufactured by forming a cone of metal on a substrate, oxidizing the surface of the cone, and removing the oxidized film from the cone surface... | 02/14/1995 |
| 4668368 | Method and apparatus for extraction of amalgamatable metals from a slurry A metal amalgamatable with mercury, gold in particular, is extracted from a slurry in which it is dispersed in low concentration, in particular from alluvial sands, by contact with mercury the surface of which is continuously freed of the sulfides which f... | 05/26/1987 |
