A prelam layer for use in forming a laminated card includes a flexible circuit substrate; a fingerprint sensor disposed on the flexible circuit substrate, the fingerprint sensor having upper and bottom surfaces, the bottom surface of the fingerprint sensor being disposed on the substrate, an active
A prelam layer for use in forming a laminated card includes a flexible circuit substrate; a fingerprint sensor disposed on the flexible circuit substrate, the fingerprint sensor having upper and bottom surfaces, the bottom surface of the fingerprint sensor being disposed on the substrate, an active layer of the fingerprint sensor disposed towards the upper surface of the fingerprint sensor; a first integrated circuit chip disposed on the substrate and having at least one lead electrically connected to the flexible circuit substrate; and an adapter flexible circuit electrically bonded to the active layer of the fingerprint sensor. The integrated circuit chip is adapted to communicate with the fingerprint sensor through the adapter flexible circuit.
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1. A prelam inlay for use in forming a laminated card, comprising: a flexible circuit substrate;a fingerprint sensor disposed on the flexible circuit substrate, the fingerprint sensor having an active layer formed over a flexible fingerprint sensor substrate, the flexible fingerprint sensor substrat
1. A prelam inlay for use in forming a laminated card, comprising: a flexible circuit substrate;a fingerprint sensor disposed on the flexible circuit substrate, the fingerprint sensor having an active layer formed over a flexible fingerprint sensor substrate, the flexible fingerprint sensor substrate being disposed on and bonded to the flexible circuit substrate;a first integrated circuit chip disposed on said flexible circuit substrate and electrically connected to the flexible circuit substrate; anda flexible printed circuit electrically bonded to the active layer of the fingerprint sensor, wherein the integrated circuit chip and fingerprint sensor are communicatively coupled through the flexible printed circuit. 2. The prelam inlay of claim 1, wherein the first integrated circuit chip is flexible. 3. The prelam inlay of claim 2, wherein the first integrated circuit chip has a thickness of less than or equal to 450 μm. 4. The prelam inlay of claim 1, wherein the fingerprint sensor has a sense area of at least 169 mm2. 5. The prelam inlay of claim 4, wherein the fingerprint sensor is configured to withstand torsional bending stress as per ISO/IEC 10373-1. 6. The prelam inlay of claim 1, wherein the prelam inlay has a total thickness of 450 μm or less. 7. The prelam inlay of claim 1, wherein the flexible printed circuit is a single-sided flexible printed circuit. 8. The prelam inlay of claim 7, wherein the flexible printed circuit comprises a conductive layer on a flexible dielectric film. 9. The prelam inlay of claim 1, wherein the flexible printed circuit is electrically bonded at a first end to the fingerprint sensor and at a second end to the flexible circuit substrate, wherein the flexible printed circuit's electrical bond to the flexible circuit substrate couples the first integrated circuit chip to the fingerprint sensor. 10. The prelam inlay of claim 1, wherein the flexible printed circuit is electrically bonded directly to the first integrated circuit chip, wherein the first integrated circuit chip and the fingerprint sensor directly communicate through the flexible printed circuit. 11. The prelam inlay of claim 10, wherein the flexible print circuit is also electrically bonded to the flexible circuit substrate, thereby electrically connecting the first integrated circuit chip to the flexible circuit substrate. 12. The prelam inlay of claim 11, wherein the flexible printed circuit is a single-sided flexible printed circuit. 13. The prelam inlay of claim 1, further comprising a second flexible printed circuit, wherein the second flexible printed circuit is a double-sided flexible printed circuit, wherein an upper side of the second flexible printed circuit is electrically bonded to a bottom side of the flexible printed circuit and a bottom side of the second flexible printed circuit is electrically bonded to the flexible circuit substrate. 14. The prelam inlay of claim 1, wherein the flexible printed circuit covers the flexible circuit substrate and has a window opening formed therein overlying the active layer of the fingerprint sensor. 15. The prelam inlay of claim 1, wherein the first integrated circuit chip comprises an image capture ASIC. 16. The prelam inlay of claim 15, further comprising a microcontroller electrically bonded to the flexible circuit substrate and adapted to communicate with the image capture ASIC through the flexible circuit substrate. 17. The prelam inlay of claim 1, wherein the first integrated circuit chip is a smart card chip controller and the fingerprint sensor is adapted to provide fingerprint template data through the flexible printed circuit for comparison by the smart card chip controller. 18. A device comprising: a flexible circuit substrate;a fingerprint sensor having a bottom surface disposed on the flexible circuit substrate, the fingerprint sensor having an active layer formed over a flexible fingerprint sensor substrate, the flexible fingerprint sensor substrate being disposed on and bonded to the flexible circuit substrate; anda flexible printed circuit electrically bonded to the active layer of the fingerprint sensor at an upper surface of the finger print sensor. 19. The device of claim 18, further comprising an integrated circuit chip disposed on and electrically coupled to the flexible circuit substrate, wherein the fingerprint sensor and first integrated circuit chip are communicatively coupled through the flexible printed circuit. 20. A biometric system on card, comprising: a bottom lamination layer;a prelam inlay disposed over the bottom lamination layer, the prelam inlay comprising: a flexible circuit substrate;a fingerprint sensor disposed on the flexible circuit substrate, the fingerprint sensor having an active layer formed over a flexible fingerprint sensor substrate, the flexible fingerprint sensor substrate being disposed on and bonded to the flexible circuit substrate;a first integrated circuit chip disposed on said flexible circuit substrate and electrically connected to the flexible circuit substrate; anda flexible printed circuit electrically bonded to the active layer of the fingerprint sensor, wherein the integrated circuit chip and fingerprint sensor are communicatively coupled through the flexible printed circuit; anda top lamination layer, the top lamination layer having a window opening formed therein overlying the active layer of the fingerprint sensor,wherein the biometric system on card is an ID-1 size card as specified in ISO/IEC 7810:2003.
Setlak Dale R. ; Van Vonno Nicolass W. ; Newton Mike ; Salatino Matthew M., Fingerprint sensor including an anisotropic dielectric coating and associated methods.
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