Multiple layer card circuit boards

• US 9,064,195 B2
• Filed: 02/19/2013
• Issued: 06/23/2015
• Est. Priority Date: 06/29/2012
• Status: Active Grant

• Current Assignee: Dynamics Inc.
• Original Assignee: Dynamics Inc.
• Inventors: Hartwick, David Joseph, Batra, Gautam
• Primary Examiner(s): LE, THIEN MINH
• Application Number:
  US13/770,553
• Publication Number:
  US 20140001269A1
• Time in Patent Office: 854 Days
• Field of Search: 235/488, 235/380, 235/492, 235/486, 235/487, 235/493
• US Class Current: 1/1
• CPC Class Codes: B32B 2307/20 having particular electrical or magnetic properties, e.g. piezoelectric
• CPC Class Codes: B32B 2425/00 Cards, e.g. identity cards, credit cards
• CPC Class Codes: B32B 2457/08 PCBs, i.e. printed circuit boards
• CPC Class Codes: B32B 27/06 as the main or only constituent of a layer, which is next to another layer of the same or of a different material next to a layer of a particular substance B32B9/045; next to a bituminous or tarry layer B32B11/046; next to a water setting substance layer B32B13/12; next to a metal layer B32B15/08; next to a glass layer B32B17/10; next to a layer formed of natural mineral fibres or particles B32B19/045; next to a wood layer B32B21/08; next to a cellulosic plastic layer B32B23/08; next to a natural or synthetic rubber layer B32B25/08
• CPC Class Codes: B32B 27/281 comprising polyimides
• CPC Class Codes: B32B 3/266 characterised by an apertured layer, the apertures going through the whole thickness of the layer, e.g. expanded metal, perforated layer, slit layer regular cells B32B3/12
• CPC Class Codes: G06K 19/042 the record carrier having a form factor of a credit card and including a small sized disc, e.g. a CD or DVD disc shaped data carriers in general, see G11B20/00 and G11B23/00
• CPC Class Codes: G06K 19/06206 the magnetic marking being emulated
• CPC Class Codes: G06K 19/0702 the arrangement including a battery
• CPC Class Codes: G06K 19/07707 the visual interface being a display, e.g. LCD or electronic ink
• CPC Class Codes: G06K 19/07722 the record carrier being multilayered, e.g. laminated sheets flat articles in general, see B32B37/00
• CPC Class Codes: G06K 19/07749 the record carrier being capable of non-contact communication, e.g. constructional details of the antenna of a non-contact smart card
• CPC Class Codes: Y10T 428/15 Sheet, web, or layer weakened to permit separation through thickness
• CPC Class Codes: Y10T 428/31721 Of polyimide

Abstract

A powered card may include a circuit board with multiple layers, and may include multiple reader communication devices. One of the layers may include an RFID antenna. The layer including the RFID antenna may occupy an entire region of a card outside of a region including a magnetic stripe communication device.

Claims

1. A card comprising:

a circuit board including at least three layers,

wherein the at least three layers include a first layer, a second layer and a third layer, the second layer between the first and third layers,

a magnetic stripe communication device extends through the first layer, and

the third layer does not overlap a region of the card including the magnetic stripe communication device.

2. The card of claim 1, wherein a thickness of the card is about 30 mils.

3. The card of claim 1, wherein a thickness of the card is about 30 mils, and

a combined thickness of the at least three layers is less than about 10 mils.

4. The card of claim 1, wherein the card includes a plurality of reader communication devices.

5. The card of claim 1, wherein the card includes at least three reader communication devices.

6. The card of claim 1, wherein the circuit board includes an EMV chip, a radio frequency identification (RFID) chip an application specific integrated circuit (ASIC) associated with a magnetic stripe communication device.

7. A card comprising:

a circuit board including at least three layers,

wherein the at least three layers include a first layer, a second layer and a third layer, the second layer between the first and third layers,

a magnetic stripe communication device extends through the first layer, and

the third layer includes an antenna, the antenna occupying the entirety of the third layer, the antenna not overlapping a region of the card including the magnetic stripe communication device.

8. A card comprising:

a circuit board including at least three layers,

wherein the at least three layers include a first layer, a second layer and a third layer, the second layer between the first and third layers,

a magnetic stripe communication device extends through the first layer,

a battery extends through the first layer and second layer, and

the third layer includes an antenna, the antenna including a coil occupying the entire peripheral region of the third layer, the antenna not overlapping a region of the card including the magnetic stripe communication device.

9. The card of claim 8, wherein a thickness of the card is about 30 mils.

10. A circuit board comprising:

a first layer including a processor, a radio frequency identification (RFID) chip, an application specific integrated circuit (ASIC) associated with a magnetic stripe communication device, an access port, an EMV buffer and battery pads;

a second layer including at least one head reader, a die foundation for the ASIC, and -a supports for the access port; and

a third layer including a connector and an antenna.

11. The circuit board of claim 10, wherein the antenna includes concentric conductive lines in a multi-turn, closed loop pattern occupying a portion of the circuit board off axis from a magnetic field generator of a magnetic stripe communication device.

12. The circuit board of claim 10, wherein the antenna includes concentric conductive lines in a multi-turn, closed loop pattern occupying a portion of the circuit board off axis from a current loop of a magnetic stripe communication device, and

no portion of the antenna is on axis with the current loop.

13. The circuit board of claim 10, wherein the third layer does not overlap a magnetic stripe communication device region.

14. A card comprising:

a first layer on a first substrate;

a second layer on an opposite side of the first substrate from the first layer;

a third layer on a second substrate, the second substrate between the third layer and the second layer; and

a battery on the second substrate,

wherein the battery is in a cutout extending through the first layer, the first substrate and the second layer.

15. The card of claim 14, wherein the first substrate includes a first polyimide material, and the second substrate includes a second polyimide material.

16. The card of claim 14, further comprising:

a magnetic stripe communication device,

wherein the first substrate includes a polyimide material, and

the magnetic stripe communication device is on the first substrate.

17. The card of claim 14, further comprising:

a magnetic stripe communication device,

wherein the first substrate includes a polyimide material and,

the magnetic stripe communication device is directly on the first substrate, the magnetic stripe communication device being in a cutout of the first layer.

18. The card of claim 14, wherein a thickness of the card is about 30 mils.

19. A card, comprising:

a first layer on a first substrate;

a second layer on an opposite side of the first substrate from the first layer;

a third layer on a second substrate, the second substrate between the third layer and the second layer;

a magnetic stripe communication device; and

a battery;

wherein the third layer includes an antenna,

the magnetic stripe communication device is directly on the first substrate, the magnetic stripe communication device being in a cutout of the first layer,

the antenna is part of the third layer,

the battery is in a cutout of the first layer, the first substrate and the second layer, and

the third layer and the second substrate do not extend into a region of the card including the magnetic stripe communication device.

20. A device comprising:

a first substrate;

a first layer on the first substrate, wherein the first layer exposes a portion of the first substrate;

a dynamic magnetic communications device on the exposed portion of the first substrate;

a second layer on an opposite side of the first substrate from the first layer;

a second substrate on an opposite side of the second layer from the first substrate, wherein the first layer, the first substrate and the second layer expose a portion of the second substrate,

a battery on the exposed portion of the second substrate; and

a radio frequency identification (RFID) antenna on an opposite side of the second substrate from the second layer, wherein the antenna overlaps the battery, and the antenna is non-overlapping with the dynamic magnetic communications device.

21. The card of claim 20, wherein a shape of the first substrate is about an “

L”

shape.

22. The card of claim 20, wherein a shape of the first substrate is about an “

L”

shape, and

a shape of the second substrate is about a rectangular shape.