Patent ID: 11927548
Assignee: SCIENCE APPLICATIONS INTERNATIONAL CORPORATION
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. An apparatus comprising:
a first component comprising a first solid body formed from a first parent material, the first component further comprising a pattern of one or more radiographic markers forming at least a portion of a first interface surface of the first component, wherein:
the one or more radiographic markers comprise one or more marker materials having one or more radiopacities greater that a radiopacity of the first parent material, and
the pattern comprises variation in at least one of: presence of the one or more marker materials, thickness of the one or more marker materials, or composition of the one or more marker materials; and
a second component comprising a second solid body and a second interface surface, wherein the first component is movably coupled to the second component, and wherein the first component and the second component are configured for contacting relative motion of the first interface surface and the second interface surface.