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Vibration absorber and method for designing a vibration absorber and method for selecting a vibration absorber
Vibration absorber and method for designing a vibration absorber and method for selecting a vibration absorber
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机译:减振器和设计减振器的方法以及选择减振器的方法
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摘要
The invention relates to a vibration damper (30,70) with a holder (31,54,71), a damping element (34,50,74) and a mass (35), the damping element (34,50,74) holding the holder ( 31,54,71) and the mass (35) connects. The vibration damper (30,70) is designed in such a way that the vibration damper (30,70) effects approximately the same damping in all spatial directions. The invention further relates to a projection exposure system (1) for semiconductor technology with a vibration damper (30,70) according to the invention. The invention also relates to a method for designing a vibration damper (30,70) according to the invention, comprising the following method steps: a) determining the damping properties of the damping element (34,50,74), b) determining the natural frequencies of the vibration damper (34,50,74) in all spatial directions, c) adaptation of the damping element (34,50,74) and / or the mass (35,75), d) repetition of method steps b) and c) until the properties of the vibration damper (30,70) are in the range of The invention further comprises a method for using a vibration damper (30, 70) according to the invention, comprising the following method steps: a) Selection of the component to be damped (44), b) Determination of a suitable location for attaching the vibration absorber (30.70), c) Selection of a vibration absorber (30.70), d) Attaching the vibration absorber (30.70) to the component (44) to be damped, e) determining the damping of the resonance of the component (44), f) repeating method steps c) to e) until a damping value in the range of the specified tolerances is reached.
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