US 4,992,794 · Granted 1991-02-12
Transponder and method for the production thereof
An implantable transponder has a plastic holder having a hollow interior and preferably a rough outer surface, a transmit/receive unit within the hollow interior of the holder, and an electronic element electrically connected to said transmit/receive unit within the hollow interior of said holder. The transmit/receive unit includes a core and coil assembly which may be impregnated with wax, and the hollow interior of the holder is at least partially filled with a plastic filler material such as polysiloxane.
Patent details
- Publication number
- US 4,992,794
- Filing date
- 1989-10-10
- Grant date
- 1991-02-12
- Assignee
- Texas Instruments Incorporated
- Inventor(s)
- BROUWERS; ARNOLDUS M.
- CPC class
- G06K19/07786
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