Invention Grant
- Patent Title: Witness material and method for monitoring the environmental history of an object
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Application No.: US14259519Application Date: 2014-04-23
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Publication No.: US09970833B2Publication Date: 2018-05-15
- Inventor: Gary E. Georgeson , Morteza Safai
- Applicant: The Boeing Company
- Applicant Address: US IL Chicago
- Assignee: The Boeing Company
- Current Assignee: The Boeing Company
- Current Assignee Address: US IL Chicago
- Agency: Thompson Hines LLP
- Main IPC: G01L1/24
- IPC: G01L1/24 ; G01K11/12 ; G01N21/64

Abstract:
A witness material for monitoring an environmental history of an object may include a material containing a dye of a type that fluoresces in response to actinic radiation in one or both of a shift in color and a change in intensity when subjected to a predetermined stress above a predetermined level; and the material forming a coating on one or more of an outer container for the object, an inner container for the object, a tape that is applied to an outer container for the object, a tape that is applied to an inner container for the object, a shrink wrap enclosing the object, an outer surface of the object, and an inner surface of the object.
Public/Granted literature
- US20150308907A1 Witness Material and Method for Monitoring the Environmental History of an Object Public/Granted day:2015-10-29
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