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US 2009/0020512 A1Published application
Laser drilling components
AssigneeROLLS-ROYCE plc
InventorPaul E. Williams
Life of this patent
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Abstract
A method of drilling through a wall of a hollow component in which a high energy beam is directed at an outer surface of the wall and emerges into a cavity from an inner surface of the wall, comprising the step of providing in the cavity a medium comprising a ceramic dispersed within a silica sol.
Claims14
A method of drilling through a wall of a hollow component in which a high energy beam is directed at an outer surface of the wall and emerges into a cavity from an inner surface of the wall, comprising the step of providing a sol-gel in the cavity.
Dependencies are inferred from the claim text.