- Email: [email protected]
Unbounding the future: the nanotechnology revolution
one. Index Terms: Optical materials - glass; Optical variables measurements; Laser beams; Optical instruments - machining; LHG-8 laser glass; Laser induced damage threshold. 72, K. E. Drexler, C. Peterson, G. Pergamit, "Unbounding the Future: The Nanotechnology Revolution," Sept 1991). 366 pages. ISBN 0-688-09124-5. $23.00 Illustrated
Morrow,
73, V. A. Khanov, "Use of laser interferometers as gaging transducers in machine tools," Soviet Engzneering Research, 10(1), pp. 120-123. (1990). The laser interferometer is a device which converts a laser beam into a periodic sequence of photoelectric pulses: a 'light scale', the spatial period which is a multiple of the wavelength. The main advantages of the laser interferometer are excellent gaging accuracy and wide gaging range (up to 100 m). As regards metrological parameters, laser interferometers are much superior to other existing types of gages. Because it is possible to construct two or three-coordinate gaging systems using a single laser, and to interface with standard NC systems and computers, it is now possible to build laser interferometers into gaging systems of multicoordinate machines and gaging machines, so that they perform not only gaging functions but also machining process control and in-line monitoring functions. 5 Refs. Index Terms: Machine tools - measurements; Laser beams - applications; Interferometry; Laser interferometers: Light scale; Online monitoring. 74, L. N. Allen, H. W. Romig, "Way to nanogrinding technology," Advanced Optical Manu[acturing and Testing, Vol 1333, pp. 7-21. Int Soc for Optical Engineering, Bellingham, WA. Precision finishing process of hard and brittle material components such as single crystal silicon wafer and magnetic head consists of lapping and polishing which depend too much on skilled labor. This process is based on the traditional optical production technology and entirely different from the automated mass production technique in automobile production. Instead of traditional lapping and polishing, the nanogrinding is proposed as a new stock removal machining to generate optical surface on brittle materials. By this new technology, the damage free surface which is the same one produced by lapping and polishing can be obtained on brittle materials, and the free curvature can also be generated on brittle materials. This technology is based on the motion copying principle which is the same as in the case of metal parts machining. The new nanogrinding technology is anticipated to be adapted as the machining technique suitable for automated mass production, because the stable machining on the level of optical production technique is expected to be obtained by the traditional lapping and polishing. Index Terms: Optical devices - grinding; Materials - machining; Nanogrinding; Brittle materials.
The database companies that supplied the following citations are: COMPENDEX, METADEX,
Engineering Information, I n c .
Materials Information of A S M International and the Institute of Metals
N T I S , National Technical Information Service, U.S. Department of Commerce D O E E N E R G Y , D e p a r t m e n t of Energy
INSPEC, Information Services for Physics, Electronics, and Computing Books in Print, R. R. B o w k e r C o m p a n y
The preparation of this citation list was pertbrmed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract No. W-7405-ENG-48.
PRECISION ENGINEERING
309
Morrow,
73, V. A. Khanov, "Use of laser interferometers as gaging transducers in machine tools," Soviet Engzneering Research, 10(1), pp. 120-123. (1990). The laser interferometer is a device which converts a laser beam into a periodic sequence of photoelectric pulses: a 'light scale', the spatial period which is a multiple of the wavelength. The main advantages of the laser interferometer are excellent gaging accuracy and wide gaging range (up to 100 m). As regards metrological parameters, laser interferometers are much superior to other existing types of gages. Because it is possible to construct two or three-coordinate gaging systems using a single laser, and to interface with standard NC systems and computers, it is now possible to build laser interferometers into gaging systems of multicoordinate machines and gaging machines, so that they perform not only gaging functions but also machining process control and in-line monitoring functions. 5 Refs. Index Terms: Machine tools - measurements; Laser beams - applications; Interferometry; Laser interferometers: Light scale; Online monitoring. 74, L. N. Allen, H. W. Romig, "Way to nanogrinding technology," Advanced Optical Manu[acturing and Testing, Vol 1333, pp. 7-21. Int Soc for Optical Engineering, Bellingham, WA. Precision finishing process of hard and brittle material components such as single crystal silicon wafer and magnetic head consists of lapping and polishing which depend too much on skilled labor. This process is based on the traditional optical production technology and entirely different from the automated mass production technique in automobile production. Instead of traditional lapping and polishing, the nanogrinding is proposed as a new stock removal machining to generate optical surface on brittle materials. By this new technology, the damage free surface which is the same one produced by lapping and polishing can be obtained on brittle materials, and the free curvature can also be generated on brittle materials. This technology is based on the motion copying principle which is the same as in the case of metal parts machining. The new nanogrinding technology is anticipated to be adapted as the machining technique suitable for automated mass production, because the stable machining on the level of optical production technique is expected to be obtained by the traditional lapping and polishing. Index Terms: Optical devices - grinding; Materials - machining; Nanogrinding; Brittle materials.
The database companies that supplied the following citations are: COMPENDEX, METADEX,
Engineering Information, I n c .
Materials Information of A S M International and the Institute of Metals
N T I S , National Technical Information Service, U.S. Department of Commerce D O E E N E R G Y , D e p a r t m e n t of Energy
INSPEC, Information Services for Physics, Electronics, and Computing Books in Print, R. R. B o w k e r C o m p a n y
The preparation of this citation list was pertbrmed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract No. W-7405-ENG-48.
PRECISION ENGINEERING
309