A linear motion machine for soft x-ray interferometry

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Description

A Fourier Transform X-ray Spectrometer has been designed and built for use at the Advanced light source at Lawrence Berkeley National Laboratory. The design requires a total rectilinear motion of 15 mm with a maximum pitch error of the stage below {+-}0.4 {mu}radians, to achieve this the authors chose to build the entire machine as a single monolithic flexure. A hydraulic driver with sliding O-ring seals was developed with the intention to provide motion with a stick-slip position error of less than 0.8 nm at a uniform velocity of 20 {mu}m/sec. The machine is comprised of two pairs of nested ... continued below

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12 p.

Creation Information

Duarte, R.; Howells, M.R.; Hussain, Z.; Lauritzen, T. & McGill, R. July 1, 1997.

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Description

A Fourier Transform X-ray Spectrometer has been designed and built for use at the Advanced light source at Lawrence Berkeley National Laboratory. The design requires a total rectilinear motion of 15 mm with a maximum pitch error of the stage below {+-}0.4 {mu}radians, to achieve this the authors chose to build the entire machine as a single monolithic flexure. A hydraulic driver with sliding O-ring seals was developed with the intention to provide motion with a stick-slip position error of less than 0.8 nm at a uniform velocity of 20 {mu}m/sec. The machine is comprised of two pairs of nested linear motion flexures, all explained by means of a theory published earlier by Hathaway. Certain manufacturing errors were successfully corrected by an extra weak-link feature in the monolith frame. The engineering details of all the subsystems of the linear motion machine are described and measured performance reported.

Physical Description

12 p.

Notes

INIS; OSTI as DE97054548

Source

  • Annual meeting of the Society of Photo-Optical Instrumentation Engineers, San Diego, CA (United States), 27 Jul - 1 Aug 1997

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  • Other: DE97054548
  • Report No.: LBNL--40494
  • Report No.: CONF-970706--;LSBL--400
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 554156
  • Archival Resource Key: ark:/67531/metadc695788

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  • July 1, 1997

Added to The UNT Digital Library

  • Aug. 14, 2015, 8:43 a.m.

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  • April 5, 2016, 10:16 a.m.

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Duarte, R.; Howells, M.R.; Hussain, Z.; Lauritzen, T. & McGill, R. A linear motion machine for soft x-ray interferometry, article, July 1, 1997; California. (digital.library.unt.edu/ark:/67531/metadc695788/: accessed August 23, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.