Method for microtexturizing and bonding two surfaces
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United States of America Patent
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Jan 23, 2001
Grant Date -
N/A
app pub date -
Feb 8, 1999
filing date -
Feb 8, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A process for adhesively bonding two adherends to each other. The process includes directing a laser beam having characteristics substantially equivalent to a free electron laser to a respective surface of each of a first and/or second adherend to effectuate ablation of any organic and halogenated residues present on the surfaces, to glaze each surface, to form a substantially stable oxide layer thereon, and to microtexturize each surface such that a roughened surface with a tailored topography is formed on each surface. Thereafter, an adhesive is applied to at least one roughened surface and the two roughened surfaces are placed against each other such that the adhesive bonds the adherends along these respective roughened surfaces and provides a high-strength, long-term durability in most environments.
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