[특허]Radio frequency isolation structure with racetrack

[미국특허] Radio frequency isolation structure with racetrack 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	G06F-017/50 H05K-001/18 H01L-023/552 H01L-021/56 H01L-023/00 H01L-023/498 H01L-023/58 H01L-023/66
출원번호	US-0046258 (2016-02-17)
등록번호	US-10242143 (2019-03-26)
발명자 / 주소	Chen, Howard E. Read, Matthew Sean Nguyen, Hoang Mong LoBianco, Anthony James Zhang, Guohao Hoang, Dinhphuoc Vu
출원인 / 주소	Skyworks Solutions, Inc.
대리인 / 주소	Knobbe Martens Olson & Bear, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 63

초록 ▼

Aspects of the present disclosure relate to a racetrack that forms part of an RF isolation structure of a packaged module and wireless devices that include such a packaged module. The racetrack can be disposed in a substrate and around an RF component that is on the substrate. The racetrack can include at least one break and/or at least one narrowed section without significantly degrading the EMI performance of the RF isolation structure.

대표청구항 ▼

1. A wireless device comprising: an antenna configured to facilitate at least one of transmitting or receiving a radio-frequency signal;a packaged module in communication with the antenna, the packaged module including a substrate configured to receive a plurality of components; a radio frequency component coupled to a major surface of the substrate; a racetrack in the substrate, the racetrack configured at a ground potential, the racetrack including a continuous portion along a periphery of the packaged module, the continuous portion including a first part and a second part that extends in a direction substantially orthogonal to the first part, and the racetrack having a narrowed section that has a width that is narrower than other portions of the racetrack, the narrowed section of the racetrack being located in a low radiating area that is associated with less electromagnetic radiation than the other portions of the racetrack; a conductive layer electrically connected to the racetrack such that the racetrack and the conductive layer form at least a portion of a radio frequency isolation structure around the radio frequency component, the radio frequency component being positioned between the major surface of the substrate and the conductive layer; a wirebond pad and a wirebond in contact with the conductive layer and the wirebond pad;and a via in the substrate, the via being disposed between the racetrack and the major surface, and the via being in an electrical path between the racetrack and the wirebond pad; andan other electronic module in communication with the packaged module. 2. The wireless device of claim 1 wherein the packaged module further includes a second racetrack electrically connected to the racetrack by the via. 3. The wireless device of claim 1 wherein the radio frequency component is configured to emit less electromagnetic radiation to the low radiating area of the packaged module than to other areas of the packaged module. 4. The wireless device of claim 1 wherein the packaged module is configured to receive less electromagnetic radiation at the low radiating area of the packaged module from the other electronic module than at other areas of the packaged module. 5. The wireless device of claim 1 wherein the racetrack has at least one break. 6. The wireless device of claim 1 wherein the radio frequency component includes a high band portion and a low band portion. 7. The wireless device of claim 1 wherein the radio frequency component includes a power amplifier. 8. A packaged module comprising: a radio frequency component coupled to a major surface of a substrate;a racetrack in the substrate, the racetrack configured at a ground potential, and the racetrack having a section that has a break or a width that is narrower than other portions of the racetrack, the section that has the break or width that is narrower being located in a low radiating area that is associated with less electromagnetic radiation than the other portions of the racetrack;a wirebond pad bonded to a wirebond;a via in the substrate, the via being positioned between the racetrack and the wirebond pad, and the via being in an electrical path between the racetrack and the wirebond pad; anda conductive layer electrically connected to the wirebond pad by the wirebond such that the racetrack, the wirebond, the via, and the conductive layer form at least a portion of a radio frequency isolation structure around the radio frequency component, the radio frequency component being positioned between the major surface of the substrate and the conductive layer. 9. The packaged module of claim 8 wherein the radio frequency component includes a power amplifier. 10. The packaged module of claim 8 wherein the section of the racetrack has the break. 11. The packaged module of claim 10 wherein the racetrack has at least a second break. 12. The packaged module of claim 10 wherein the racetrack has another section that has a width that is narrower than other portions of the racetrack. 13. The packaged module of claim 8 further comprising two additional racetracks disposed in different respective layers of the substrate, the two additional racetracks being electrically connected to the racetrack. 14. The packaged module of claim 8 wherein the radio frequency component includes a high band portion and a low band portion. 15. A packaged module comprising: a radio frequency component coupled to a major surface of a substrate;a racetrack in the substrate, the racetrack configured at a ground potential, the racetrack including a continuous portion along a periphery of the packaged module, the continuous portion including a first part and a second part that extends in a direction substantially orthogonal to the first part, the racetrack having a narrowed section that has a width that is narrower than other portions of the racetrack, and the narrowed section of the racetrack being located in a low radiating area that is associated with less electromagnetic radiation than the other portions of the racetrack;a conductive layer electrically connected to the racetrack such that the racetrack and the conductive layer form at least a portion of a radio frequency isolation structure around the radio frequency component, the radio frequency component being positioned between the major surface of the substrate and the conductive layer;a wirebond pad and a wirebond in contact with the conductive layer and the wirebond pad; anda via in the substrate, the via being disposed between the racetrack and the major surface, and the via being in an electrical path between the racetrack and the wirebond pad. 16. The packaged module of claim 15 wherein the racetrack has at least one break. 17. The packaged module of claim 15 further comprising wirebonds configured to provide at least a portion of an electrical connection between the racetrack and the conductive layer, the wirebonds including the wirebond, and the radio frequency isolation structure including the wirebonds. 18. The packaged module of claim 15 wherein the radio frequency component includes a high band portion and a low band portion. 19. The packaged module of claim 15 further comprising a second racetrack electrically connected to the racetrack by the via. 20. The packaged module of claim 15 wherein the radio frequency component includes a power amplifier.

이 특허에 인용된 특허 (63) 인용/피인용 타임라인 분석

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[미국특허] Radio frequency isolation structure with racetrack 원문보기

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