Integrated circuit with electromagnetic communication
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H01Q-001/24
H01Q-019/02
H01L-023/66
H01Q-007/00
H01Q-009/26
H01Q-001/48
H01Q-019/18
H01L-023/498
H01L-023/31
H01L-023/00
출원번호
US-0936411
(2015-11-09)
등록번호
US-9379450
(2016-06-28)
발명자
/ 주소
Kyles, Ian A.
McCormack, Gary D.
출원인 / 주소
Keyssa, Inc.
대리인 / 주소
Fenwick & West LLP
인용정보
피인용 횟수 :
1인용 특허 :
92
초록▼
A system for transmitting or receiving signals may include an integrated circuit (IC), a transducer operatively coupled to the IC for converting between electrical signals and electromagnetic signals; and insulating material that fixes the locations of the transducer and IC in spaced relationship re
A system for transmitting or receiving signals may include an integrated circuit (IC), a transducer operatively coupled to the IC for converting between electrical signals and electromagnetic signals; and insulating material that fixes the locations of the transducer and IC in spaced relationship relative to each other. The system may further include a lead frame providing external connections to conductors on the IC. An electromagnetic-energy directing assembly may be mounted relative to the transducer for directing electromagnetic energy in a region including the transducer and in a direction away from the IC. The directing assembly may include the lead frame, a printed circuit board ground plane, or external conductive elements spaced from the transducer. In a receiver, a signal-detector circuit may be responsive to a monitor signal representative of a received first radio-frequency electrical signal for generating a control signal that enables or disables an output from the receiver.
대표청구항▼
1. A system comprising: a substrate;an integrated circuit (IC) mounted to the substrate, the IC including a transmitter circuit that transforms a baseband signal into an extremely high frequency (EHF) electrical signal;a transducer operatively coupled to the IC, the transducer to convert the EHF ele
1. A system comprising: a substrate;an integrated circuit (IC) mounted to the substrate, the IC including a transmitter circuit that transforms a baseband signal into an extremely high frequency (EHF) electrical signal;a transducer operatively coupled to the IC, the transducer to convert the EHF electrical signal into an EHF electromagnetic signal having a wavelength; andan electromagnetic-energy directing assembly to direct electromagnetic energy from the transducer in a direction away from the IC, the electromagnetic-energy directing assembly comprising: a plurality of ground vias extending through the substrate, the plurality of ground vias forming a via wall surrounding at least three sides of a space and the plurality of ground vias being spaced apart by less than one sixth of the wavelength of the EHF electromagnetic signal; anda ground plane overlapping with the transducer and the ground vias. 2. The system of claim 1, wherein the via wall comprises: a first via wall;a second via wall parallel to the first via wall; anda third via wall perpendicular to the first via wall and the second via wall. 3. The system of claim 1, further comprising: an IC package, wherein the IC package comprises at least the substrate, the IC, the transducer, and the ground vias. 4. A system comprising: a substrate;an integrated circuit (IC) mounted to the substrate, the IC including a transmitter circuit that transforms a baseband signal into an extremely high frequency (EHF) electrical signal;a transducer operatively coupled to the IC, the transducer to convert the EHF electrical signal into an EHF electromagnetic signal having a wavelength; andan electromagnetic-energy directing assembly to direct electromagnetic energy from the transducer in a direction away from the IC, the electromagnetic-energy directing assembly comprising: a plurality of vias extending through the substrate, the plurality of vias forming a via wall surrounding at least three sides of a space and the plurality of vias being spaced apart by less than a fraction of the wavelength of the EHF electromagnetic signal; anda ground plane overlapping with the transducer and the vias. 5. The system of claim 4, wherein the via wall comprises: a first via wall;a second via wall parallel to the first via wall; anda third via wall perpendicular to the first via wall and the second via wall. 6. The system of claim 4, further comprising: an IC package, wherein the IC package comprises at least the substrate, the IC, the transducer, and the vias. 7. The system of claim 6, wherein at least a portion of the substrate is located between the transducer and the ground plane. 8. The system of claim 7, further comprising: a printed circuit board (PCB) having a major face on which the IC package is mounted,wherein the ground plane of the directing assembly is a layer of the PCB. 9. The system of claim 8, wherein the major face of the PCB extends away from the transducer opposite the IC, the directing assembly including one or more elongate conductive elements disposed in spaced apart positions on the PCB along a line extending in a direction away from the transducer, the one or more elongate conductive elements each extending transversely of the line. 10. The system of claim 6, wherein the ground plane of the directing assembly terminates at an edge aligned with an end of the IC package. 11. The system of claim 6, wherein the ground plane of the directing assembly extends past an end of the IC package. 12. The system of claim 4, wherein the directing assembly includes a lead frame providing external connections to conductors on the IC, and the lead frame is spaced from the transducer and includes a plurality of separate leads distributed about the IC extending to the vias, the plurality of separate leads and disposed sufficiently close together to reflect electromagnetic energy having the wavelength. 13. The system of claim 12, wherein the transducer is disposed on a first side of the IC and the lead frame is not disposed along the first side of the IC. 14. The system of claim 13, wherein the lead frame is disposed at least along second and third sides of the IC that are each adjacent to the first side. 15. The system of claim 4, wherein the ground plane of the electromagnetic-energy directing assembly further overlaps with the IC. 16. The system of claim 4, wherein the transducer is disposed away from the ground plane by a distance less than the wavelength of EHF electromagnetic signal. 17. The system of claim 4, wherein the plurality of vias of the directing assembly comprise ground vias. 18. The system of claim 4, wherein the plurality of vias of the directing assembly comprise active signal vias. 19. The system of claim 4, wherein the plurality of vias of the directing assembly are spaced apart by less than one sixth of the wavelength of the EHF electromagnetic signal. 20. The system of claim 4, wherein the plurality of vias of the directing assembly are spaced apart by one tenth of the wavelength of the EHF electromagnetic signal.
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