Integrated circuit package including miniature antenna

• US 10,644,405 B2
• Filed: 04/26/2019
• Issued: 05/05/2020
• Est. Priority Date: 11/07/2002
• Status: Active Grant

• Current Assignee: Fractus SA
• Original Assignee: Fractus SA
• Inventors: Soler Castany, Jordi, Anguera Pros, Jaume, Puente Baliarda, Carles, Borja Borau, Carmen
• Primary Examiner(s): Mancuso, Huedung X
• Application Number:
  US16/396,334
• Publication Number:
  US 20200028264A1
• Time in Patent Office: 375 Days
• Field of Search: 343700 MS
• CPC Class Codes: H01L 2223/6677 for antenna, e.g. antenna included within housing of semiconductor device antennas per se H01Q
• CPC Class Codes: H01L 2224/05599 Material
• CPC Class Codes: H01L 2224/16225 the item being non-metallic, e.g. insulating substrate with or without metallisation
• CPC Class Codes: H01L 2224/32225 the item being non-metallic, e.g. insulating substrate with or without metallisation
• CPC Class Codes: H01L 2224/45015 being circular
• CPC Class Codes: H01L 2224/45099 Material
• CPC Class Codes: H01L 2224/48091 Arched
• CPC Class Codes: H01L 2224/48227 connecting the wire to a bond pad of the item
• CPC Class Codes: H01L 2224/48265 the item being a discrete passive component
• CPC Class Codes: H01L 2224/48464 the other connecting portion not on the bonding area also being a ball bond, i.e. ball-to-ball
• CPC Class Codes: H01L 2224/49175 Parallel arrangements
• CPC Class Codes: H01L 2224/73265 Layer and wire connectors
• CPC Class Codes: H01L 2224/85203 Thermocompression bonding
• CPC Class Codes: H01L 2224/85399 Material
• CPC Class Codes: H01L 23/66 High-frequency adaptations
• CPC Class Codes: H01L 24/48 of an individual wire connector
• CPC Class Codes: H01L 24/49 of a plurality of wire connectors
• CPC Class Codes: H01L 24/73 Means for bonding being of different types provided for in two or more of groups H01L24/10, H01L24/18, H01L24/26, H01L24/34, H01L24/42, H01L24/50, H01L24/63, H01L24/71
• CPC Class Codes: H01L 25/165 Containers
• CPC Class Codes: H01L 2924/00 Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
• CPC Class Codes: H01L 2924/00012 : Relevant to the scope of the group, the symbol of which is combined with the symbol of this group
• CPC Class Codes: H01L 2924/00014 : the subject-matter covered by the group, the symbol of which is combined with the symbol of this group, being disclosed without further technical details
• CPC Class Codes: H01L 2924/01004 : Beryllium [Be]
• CPC Class Codes: H01L 2924/01019 : Potassium [K]
• CPC Class Codes: H01L 2924/01078 : Platinum [Pt]
• CPC Class Codes: H01L 2924/09701 : Low temperature co-fired ceramic [LTCC]
• CPC Class Codes: H01L 2924/14 : Integrated circuits
• CPC Class Codes: H01L 2924/1423 : Monolithic Microwave Integrated Circuit [MMIC]
• CPC Class Codes: H01L 2924/15311 : being a ball array, e.g. BGA
• CPC Class Codes: H01L 2924/181 : Encapsulation
• CPC Class Codes: H01L 2924/19041 : being a capacitor
• CPC Class Codes: H01L 2924/207 : Diameter ranges
• CPC Class Codes: H01L 2924/30107 : Inductance
• CPC Class Codes: H01L 2924/3011 : Impedance
• CPC Class Codes: H01L 2924/30111 : matching
• CPC Class Codes: H01L 2924/3025 : Electromagnetic shielding
• CPC Class Codes: H01Q 1/22 : by structural association with other equipment or articles
• CPC Class Codes: H01Q 1/2283 : mounted in or on the surface of a semiconductor substrate as a chip-type antenna or integrated with other components into an IC package
• CPC Class Codes: H01Q 1/36 : Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewithH01Q1/08, H01Q1/14 take precedence
• CPC Class Codes: H01Q 1/38 : formed by a conductive layer on an insulating support patch antennas H01Q9/0407; microstrip dipole antennas H01Q9/065; microstrip slot antennas H01Q13/106; transmission line microstrip antennas H01Q13/206; manufacturing reflecting surfaces using insulating material for supporting the reflecting surface H01Q15/142
• CPC Class Codes: H01Q 1/40 : Radiating elements coated with or embedded in protective material
• CPC Class Codes: H01Q 13/10 : Resonant slot antennas
• CPC Class Codes: H01Q 9/045 : with particular feeding means for circular polarisation H01Q9/0428
• CPC Class Codes: H01Q 9/26 : with folded element or elements, the folded parts being spaced apart a small fraction of operating wavelength resonant loop antennas H01Q7/00
• CPC Class Codes: H01Q 9/30 : with feed to end of elongated active element, e.g. unipole H01Q9/44 takes precedence
• CPC Class Codes: H01Q 9/40 : Element having extended radiating surface
• CPC Class Codes: H01Q 9/42 : with folded element, the folded parts being spaced apart a small fraction of the operating wavelength

Abstract

The present invention relates to an integrated circuit package comprising at least one substrate, each substrate including at least one layer, at least one semiconductor die, at least one terminal, and an antenna located in the integrated circuit package, but not on said at least one semiconductor die. The conducting pattern comprises a curve having at least five sections or segments, at least three of the sections or segments being shorter than one-tenth of the longest free-space operating wavelength of the antenna, each of the five sections or segments forming a pair of angles with each adjacent segment or section, wherein the smaller angle of each of the four pairs of angles between sections or segments is less than 180° (i.e., no pair of sections or segments define a longer straight segment), wherein at least two of the angles are less than 115°, wherein at least two of the angles are not equal, and wherein the curve fits inside a rectangular area the longest edge of which is shorter than one-fifth of the longest free-space operating wavelength of the antenna.

Claims

1. A device comprising:

a substrate;

at least one chip and at least two sensors disposed in the substrate;

a first antenna disposed in a first area of the substrate, the first area arranged close to an edge of the substrate and having a longer side shorter than one-fifth of the longest free-space operating wavelength of the first antenna, wherein the first antenna comprises a conducting pattern, the perimeter of the conducting pattern defining a first curve comprising at least five segments, each of the at least five segments forming an angle with each adjacent segment in the curve, and wherein at least two of the angles are not equal and are defined respectively in the clockwise and counter-clockwise directions at opposite sides of the curve; and

a second antenna disposed in a second area of the substrate, the second area being arranged close to an edge of the substrate, wherein the second antenna comprises a conducting pattern, the perimeter of the conducting pattern defining a second curve, wherein the first and second areas do not enclose the at least one chip.

2. The device of claim 1, wherein at least three of the at least five segments of the first curve are shorter than a tenth of the longest free-space operating wavelength.

3. The device of claim 2, wherein each angle between adjacent segments of the first curve is less than 180°

and at least two of the angles between adjacent segments are less than 115°

.

4. The device of claim 3, wherein the at least five segments of the first curve are shorter than one-twentieth of the longest free-space operating wavelength of the first antenna.

5. The device of claim 1, wherein the first antenna is configured to provide operation in at least two different non-overlapping frequency bands used by at least two cellular services.

6. The device of claim 1, wherein the second antenna is multibranch.

7. The device of claim 1, wherein the second curve comprises at least one non-linear segment.

8. The device of claim 1, wherein the second curve comprises at least fifteen segments.

9. The device of claim 1, wherein the longest side of the second area is shorter than one-fifth of the longest free-space operating wavelength of the second antenna.

10. A wireless system comprising:

a substrate;

a chip mounted on the substrate;

at least two sensors mounted on the substrate;

a first antenna providing operation at least in a first frequency band, the first antenna fitting inside a first area on the substrate, the first area being arranged close to an edge of the substrate, a perimeter of the first antenna defining a first curve comprising at least five segments, wherein;

at least three of the at least five of the segments are smaller than a tenth of the longest free-space operating wavelength of the first antenna, each of the at least five segments forms an angle with each adjacent segment, each angle between adjacent segments is less than 180° and

at least two of the angles between adjacent segments are less than 115°

; and

a second antenna providing operation at least in a second frequency band, the second antenna fitting inside a second area on the substrate, the second area being arranged close to an edge of the substrate, the second antenna comprising a conducting pattern, a perimeter of the conducting pattern defining a second curve comprising at least five segments, wherein the first and second areas do not enclose the chip.

11. The wireless system of claim 10, wherein the first and the second frequency bands are non-overlapping.

12. The wireless system of claim 10, wherein the first and the second frequency bands are coincident.

13. The wireless system of claim 10, wherein at least one of the angles between adjacent segments of the first curve is 90°

.

14. The wireless system of claim 10, wherein the at least five of the segments of the first curve are smaller than a tenth of the longest free-space operating wavelength of the first antenna.

15. The wireless system of claim 10, wherein at least three of the at least five segments of the second curve are smaller than a tenth of the longest free-space operating wavelength of the second antenna.

16. The wireless system of claim 10, wherein the second area has a longer side shorter than one-fifth of the longest free-space operating wavelength of the second antenna.

17. A wireless system comprising:

a substrate;

at least two chips mounted on the substrate;

at least two sensors mounted on the substrate;

a first antenna mounted on the substrate, the first antenna fitting inside a first area arranged close to an edge of the substrate, the first area having a longer side shorter than one-fifth of the longest free-space operating wavelength of the first antenna;

a second antenna mounted on the substrate, the second antenna fitting inside a second area arranged close to an edge of the substrate, the second antenna comprising a conducting pattern, wherein the perimeter of the conducting pattern defines a curve comprising at least five segments, each of the at least five segments forming an angle with each adjacent segment in the curve, wherein at least two of the angles are not equal, and wherein the first and second areas do not enclose the at least two chips.

18. The wireless system of claim 17, wherein the first antenna comprises a first arm and a second arm.

19. The wireless system of claim 17, wherein each angle between adjacent segments is less than 180°

and at least two of the angles between adjacent segments are less than 115°

.

20. The wireless system of claim 17, wherein at least one of the segments is non-linear.