Patent
Title

Membrane fuer elektrostatische Lautsprecher

Other Title
Membrane, for an electrostatic loudspeaker, has a structured thickness and a surface coating of a metal/nitrogen compound to give a consistent surface resistance.
Abstract
Einrichtung und Herstellung einer bestaendig, elektrisch hochohmig und homogen leitenden Beschichtung auf einer Kunststofffolie. Diese Beschichtung wird ueber spezielles Abscheideverfahren von entsprechenden Materialien erreicht.

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DE 10138148 A UPAB: 20030526 NOVELTY - Membrane for an electrostatic loudspeaker has a thickness of 1-20 mu m, with a coating to give a surface resistance of 1 kohm/cm2 to 200 megohm/cm2. The coating is applied in a vacuum by physical vapor deposition (PVD) or sputtering or reactive sputtering, using a metal/nitrogen compound. USE - The membrane is for an electrostatic loudspeaker. ADVANTAGE - The structure gives a consistent surface resistance.
Inventor(s)
Gerkinsmeyer, N.
Fahland, M.
Link to Espacenet
Patent Number
2001-10138148
Publication Date
2003
Language
German