Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1994-09-02
1996-04-30
Barry, Chester T.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156281, 1562733, 1563766, 156497, 156285, 156382, B32B 3100
Patent
active
055121233
ABSTRACT:
A method and system for improving the capability of a surface of an organic structure to bond with another material includes irradiating a target area of the surface of a structure with pulsed, incoherent optical energy having wavelength components which range from 160-5000 nanometers at an intensity sufficient to photodecompose any adventitious organic substances on the surface and to photodecompose a thin layer of molecular bonds forming the surface of the structure; and exposing the target area of the surface to ionized gas that chemically reacts with the target area of the surface to increase the surface free energy of the surface. A similar method and system may also be employed to improve the bondability of a metallic surface by first precleaning the metallic surface to dislodge any inorganic substances from the surface; and second irradiating a target area of the surface with pulsed, incoherent optical energy having wavelength components in the range of 160-5000 nanometers at an intensity sufficient to photodecompose any organic substances present on the surface.
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Cates Michael C.
Chu Edmond
Hamm Richard R.
Barry Chester T.
Maxwell Laboratories
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