Patent ID: 11969963
Assignee: GENERAL NANO LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 18:
19. A method of repairing a lightning protection system in an aircraft that has sustained damage, the system comprising a carbon fiber composite structure including an expanded copper foil (ECF), the method comprising the steps of:
removing at least one of paint, primer, resin and composite surrounding the damage to expose a portion of the ECF;
cutting an ECF patch to fit the damaged area;
inserting the ECF patch into the damaged area;
placing a piece of the light-weight, highly-conductive material of claim 1 over the ECF patch and the exposed portion of the ECF surrounding the damage, the material forming a low impedance electrical connection between the ECF patch and the exposed portion of the ECF; and
repairing any composite that was removed to expose the portion of the ECF.