Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1984-06-25
1985-12-17
Powell, William A.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156253, 204192C, 204192E, 219121R, 427 38, 427 85, B23K 900, B32B 3100, B05D 306
Patent
active
045590966
ABSTRACT:
A method of precisely modifying a selected area of a workpiece by producing a beam of charged cluster ions that is narrowly mass selected to a predetermined mean size of cluster ions within a range of 25 to 10.sup.6 atoms per cluster ion, and accelerated in a beam to a critical velocity. The accelerated beam is used to impact a selected area of an outer surface of the workpiece at a preselected rate of impacts of cluster ions/cm.sup.2 /sec. in order to effect a precise modification in that selected area of the workpiece.
REFERENCES:
Beuhler et al., "Threshold Studies of Secondary Electron Emission Induced by Macro-Ion Impact on Solid Surfaces", Nuclear Instruments and Methods, 1980, pp. 309-315.
Dietzel et al., "Micrometeoroid Simulation Studies on Metal Targets", Journal of Geophysical Research, Mar. 10, 1972, pp. 1375-1395.
Fischer et al., "Production and Use of Nuclear Tracks: Imprinting Structure on Solids", Reviews of Modern Physics, vol. 56, No. 4, Oct., 1983, pp. 907-948.
Cable, "Hypervelocity Accelerators", Chapter 1, High-Velocity Impact Phenomenon by Kinslow, 1970, pp. 1 and 3-21.
Takagi et al., "Film Formation by Ionised-Cluster Beam Deposition", Low-Energy Ion Beams, 1977, pp. 142-150.
Buehler Robert J.
Friedman Lewis
Ledbetter Myron
Matthew Michael W.
Hightower Judson R.
Myles Vale P.
Powell William A.
The United States of America as represented by the United States
Weinberger James W.
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