Invention Grant
- Patent Title: Chipless radio frequency identification (RFID) made using photographic process
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Application No.: US15154712Application Date: 2016-05-13
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Publication No.: US09874815B2Publication Date: 2018-01-23
- Inventor: Wayne A. Buchar , George A. Gibson
- Applicant: XEROX CORPORATION
- Applicant Address: US CT Norwalk
- Assignee: XEROX CORPORATION
- Current Assignee: XEROX CORPORATION
- Current Assignee Address: US CT Norwalk
- Agency: MH2 Technology Law Group LLP
- Main IPC: G03C5/26
- IPC: G03C5/26 ; G03F7/20 ; G06K7/10

Abstract:
A method for forming a structure for a radio frequency identification device includes dispensing a photosensitive compound onto a substrate. Subsequently, first portions of the photosensitive compound are exposed to a light pattern from a light source, while second portions of the photosensitive compound remain unexposed to the light source. Exposing the photosensitive compound to light reduces the photosensitive compound to a metal layer. The unexposed second portions of the photosensitive compound may be rinsed away to leave the metal layer. Processing may continue to form an RFID circuit from the metal layer, and a completed RFID transponder comprising the RFID circuit.
Public/Granted literature
- US20170329230A1 CHIPLESS RADIO FREQUENCY IDENTIFICATION (RFID) MADE USING PHOTOGRAPHIC PROCESS Public/Granted day:2017-11-16
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